IEM VTEC Product Browser
This application allows easy navigation of National Weather Service issued products with Valid Time Event Coding (VTEC).
13 Nov 2024 Update: The tool was updated to use non-hash link style URLs. A shim is in place to translate the old URLs to the new ones, so nothing should be broken (famous last words). This was done to allow the HTML5 History API to provide a better user experience.
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2025 [KBOX] Boston / Norton Gale (GL) Watch (A) Number 9
Listing of Counties/Parishes/Zones Included in Product
RADAR Composite at Issuance Time
Storm Based Warning History
419 WHUS71 KBOX 300745 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 345 AM EDT Sun Mar 30 2025 ANZ235-237-302145- /O.CAN.KBOX.SC.Y.0045.000000T0000Z-250330T1200Z/ /O.NEW.KBOX.GL.A.0009.250331T1800Z-250401T0900Z/ Rhode Island Sound-Block Island Sound- 345 AM EDT Sun Mar 30 2025 ...GALE WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH LATE MONDAY NIGHT... ...SMALL CRAFT ADVISORY IS CANCELLED... * WHAT...Southwest winds 15 to 25 kt with gusts up to 35 kt and seas 4 to 7 feet possible. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...From Monday afternoon through late Monday night. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ ANZ250-302145- /O.CAN.KBOX.SC.Y.0045.000000T0000Z-250330T0800Z/ /O.NEW.KBOX.GL.A.0009.250331T1800Z-250401T0900Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 345 AM EDT Sun Mar 30 2025 ...GALE WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH LATE MONDAY NIGHT... ...SMALL CRAFT ADVISORY IS CANCELLED... * WHAT...Southwest winds 15 to 25 kt with gusts up to 35 kt and seas 4 to 6 feet possible. * WHERE...Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary. * WHEN...From Monday afternoon through late Monday night. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ ANZ254>256-302145- /O.EXT.KBOX.SC.Y.0045.000000T0000Z-250330T1500Z/ /O.NEW.KBOX.GL.A.0009.250331T1800Z-250401T0900Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 345 AM EDT Sun Mar 30 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 11 AM EDT THIS MORNING... ...GALE WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH LATE MONDAY NIGHT... * WHAT...For the Small Craft Advisory, east winds 10 to 15 kt with gusts up to 25 kt and seas 4 to 6 feet. For the Gale Watch, south winds 15 to 25 kt with gusts up to 35 kt and seas 6 to 9 feet possible. * WHERE...In Massachusetts coastal waters, Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm and Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket. In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island. * WHEN...For the Small Craft Advisory, until 11 AM EDT this morning. For the Gale Watch, from Monday afternoon through late Monday night. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ ANZ231>234-251-302145- /O.NEW.KBOX.GL.A.0009.250331T1800Z-250401T0900Z/ Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay- Massachusetts Bay and Ipswich Bay- 345 AM EDT Sun Mar 30 2025 ...GALE WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH LATE MONDAY NIGHT... * WHAT...Southwest winds 15 to 25 kt with gusts up to 35 kt and seas 3 to 5 feet possible. * WHERE...Cape Cod Bay, Nantucket Sound, Vineyard Sound, Buzzards Bay and Massachusetts Bay and Ipswich Bay. * WHEN...From Monday afternoon through late Monday night. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ ANZ230-236-302145- /O.NEW.KBOX.GL.A.0009.250331T1800Z-250401T0900Z/ Boston Harbor-Narragansett Bay- 345 AM EDT Sun Mar 30 2025 ...GALE WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH LATE MONDAY NIGHT... * WHAT...Southwest winds 10 to 20 kt with gusts up to 35 kt and waves 2 to 4 feet possible. * WHERE...In Massachusetts coastal waters, Boston Harbor. In Rhode Island coastal waters, Narragansett Bay. * WHEN...From Monday afternoon through late Monday night. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$
402 WHUS71 KBOX 302235 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 635 PM EDT Sun Mar 30 2025 ANZ250-254>256-311145- /O.CON.KBOX.GL.A.0009.250331T1800Z-250401T0900Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 635 PM EDT Sun Mar 30 2025 ...GALE WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON THROUGH LATE MONDAY NIGHT... * WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt and seas 6 to 9 feet possible. * WHERE...In Massachusetts coastal waters, Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary, Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm and Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket. In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island. * WHEN...From Monday afternoon through late Monday night. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ ANZ231>235-237-251-311145- /O.CON.KBOX.GL.A.0009.250331T1800Z-250401T0900Z/ Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay- Rhode Island Sound-Block Island Sound- Massachusetts Bay and Ipswich Bay- 635 PM EDT Sun Mar 30 2025 ...GALE WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON THROUGH LATE MONDAY NIGHT... * WHAT...Southwest winds 10 to 20 kt with gusts up to 30 kt and seas 4 to 6 feet possible. * WHERE...Portions of Massachusetts coastal waters and Rhode Island coastal waters. * WHEN...From Monday afternoon through late Monday night. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ ANZ230-236-311145- /O.CON.KBOX.GL.A.0009.250331T1800Z-250401T0900Z/ Boston Harbor-Narragansett Bay- 635 PM EDT Sun Mar 30 2025 ...GALE WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON THROUGH LATE MONDAY NIGHT... * WHAT...Southwest winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 5 feet possible. * WHERE...In Massachusetts coastal waters, Boston Harbor. In Rhode Island coastal waters, Narragansett Bay. * WHEN...From Monday afternoon through late Monday night. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$
619 WHUS71 KBOX 310410 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 1210 AM EDT Mon Mar 31 2025 ANZ254>256-312300- /O.UPG.KBOX.GL.A.0009.250331T1800Z-250401T0900Z/ /O.NEW.KBOX.SC.Y.0046.250331T0800Z-250402T0000Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 1210 AM EDT Mon Mar 31 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM EARLY THIS MORNING TO 8 PM EDT TUESDAY... * WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt, with isolated gusts of 35 kt possible and seas 5 to 8 feet expected. * WHERE...In Massachusetts coastal waters, Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm and Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket. In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island. * WHEN...From 4 AM early this morning to 8 PM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ232>234-312300- /O.UPG.KBOX.GL.A.0009.250331T1800Z-250401T0900Z/ /O.NEW.KBOX.SC.Y.0046.250331T1200Z-250401T1200Z/ Nantucket Sound-Vineyard Sound-Buzzards Bay- 1210 AM EDT Mon Mar 31 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 8 AM EDT TUESDAY... * WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt, with isolated gusts of 35 kt possible and seas 4 to 6 feet expected. * WHERE...Nantucket Sound, Vineyard Sound and Buzzards Bay. * WHEN...From 8 AM this morning to 8 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ235-237-312300- /O.UPG.KBOX.GL.A.0009.250331T1800Z-250401T0900Z/ /O.NEW.KBOX.SC.Y.0046.250331T1200Z-250402T0000Z/ Rhode Island Sound-Block Island Sound- 1210 AM EDT Mon Mar 31 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 8 PM EDT TUESDAY... * WHAT...West winds 15 to 25 kt with gusts up to 30 kt and seas 4 to 7 feet expected. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...From 8 AM this morning to 8 PM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ236-312300- /O.UPG.KBOX.GL.A.0009.250331T1800Z-250401T0900Z/ /O.NEW.KBOX.SC.Y.0046.250331T1200Z-250401T1200Z/ Narragansett Bay- 1210 AM EDT Mon Mar 31 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 8 AM EDT TUESDAY... * WHAT...Southwest winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 5 feet expected. * WHERE...Narragansett Bay. * WHEN...From 8 AM this morning to 8 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ231-251-312300- /O.UPG.KBOX.GL.A.0009.250331T1800Z-250401T0900Z/ /O.NEW.KBOX.SC.Y.0046.250331T1200Z-250401T1200Z/ Cape Cod Bay-Massachusetts Bay and Ipswich Bay- 1210 AM EDT Mon Mar 31 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 8 AM EDT TUESDAY... * WHAT...Southwest winds 10 to 20 kt with gusts up to 30 kt and seas 3 to 5 feet expected. * WHERE...Cape Cod Bay and Massachusetts Bay and Ipswich Bay. * WHEN...From 8 AM this morning to 8 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ250-312300- /O.UPG.KBOX.GL.A.0009.250331T1800Z-250401T0900Z/ /O.NEW.KBOX.SC.Y.0046.250331T1200Z-250402T0000Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 1210 AM EDT Mon Mar 31 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 8 PM EDT TUESDAY... * WHAT...West winds 15 to 25 kt with gusts up to 30 kt and seas 4 to 7 feet expected. * WHERE...Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary. * WHEN...From 8 AM this morning to 8 PM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ230-312300- /O.UPG.KBOX.GL.A.0009.250331T1800Z-250401T0900Z/ /O.NEW.KBOX.SC.Y.0046.250331T1200Z-250401T1200Z/ Boston Harbor- 1210 AM EDT Mon Mar 31 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 8 AM EDT TUESDAY... * WHAT...Southwest winds 10 to 15 kt with gusts up to 30 kt and waves around 2 feet expected. * WHERE...Boston Harbor. * WHEN...From 8 AM this morning to 8 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
Permalink to 202503300745-KBOX-WHUS71-MWWBOX
419 WHUS71 KBOX 300745 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 345 AM EDT Sun Mar 30 2025 ANZ235-237-302145- /O.CAN.KBOX.SC.Y.0045.000000T0000Z-250330T1200Z/ /O.NEW.KBOX.GL.A.0009.250331T1800Z-250401T0900Z/ Rhode Island Sound-Block Island Sound- 345 AM EDT Sun Mar 30 2025 ...GALE WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH LATE MONDAY NIGHT... ...SMALL CRAFT ADVISORY IS CANCELLED... * WHAT...Southwest winds 15 to 25 kt with gusts up to 35 kt and seas 4 to 7 feet possible. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...From Monday afternoon through late Monday night. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ ANZ250-302145- /O.CAN.KBOX.SC.Y.0045.000000T0000Z-250330T0800Z/ /O.NEW.KBOX.GL.A.0009.250331T1800Z-250401T0900Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 345 AM EDT Sun Mar 30 2025 ...GALE WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH LATE MONDAY NIGHT... ...SMALL CRAFT ADVISORY IS CANCELLED... * WHAT...Southwest winds 15 to 25 kt with gusts up to 35 kt and seas 4 to 6 feet possible. * WHERE...Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary. * WHEN...From Monday afternoon through late Monday night. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ ANZ254>256-302145- /O.EXT.KBOX.SC.Y.0045.000000T0000Z-250330T1500Z/ /O.NEW.KBOX.GL.A.0009.250331T1800Z-250401T0900Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 345 AM EDT Sun Mar 30 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 11 AM EDT THIS MORNING... ...GALE WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH LATE MONDAY NIGHT... * WHAT...For the Small Craft Advisory, east winds 10 to 15 kt with gusts up to 25 kt and seas 4 to 6 feet. For the Gale Watch, south winds 15 to 25 kt with gusts up to 35 kt and seas 6 to 9 feet possible. * WHERE...In Massachusetts coastal waters, Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm and Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket. In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island. * WHEN...For the Small Craft Advisory, until 11 AM EDT this morning. For the Gale Watch, from Monday afternoon through late Monday night. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ ANZ231>234-251-302145- /O.NEW.KBOX.GL.A.0009.250331T1800Z-250401T0900Z/ Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay- Massachusetts Bay and Ipswich Bay- 345 AM EDT Sun Mar 30 2025 ...GALE WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH LATE MONDAY NIGHT... * WHAT...Southwest winds 15 to 25 kt with gusts up to 35 kt and seas 3 to 5 feet possible. * WHERE...Cape Cod Bay, Nantucket Sound, Vineyard Sound, Buzzards Bay and Massachusetts Bay and Ipswich Bay. * WHEN...From Monday afternoon through late Monday night. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ ANZ230-236-302145- /O.NEW.KBOX.GL.A.0009.250331T1800Z-250401T0900Z/ Boston Harbor-Narragansett Bay- 345 AM EDT Sun Mar 30 2025 ...GALE WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH LATE MONDAY NIGHT... * WHAT...Southwest winds 10 to 20 kt with gusts up to 35 kt and waves 2 to 4 feet possible. * WHERE...In Massachusetts coastal waters, Boston Harbor. In Rhode Island coastal waters, Narragansett Bay. * WHEN...From Monday afternoon through late Monday night. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$
Permalink to 202503302235-KBOX-WHUS71-MWWBOX
402 WHUS71 KBOX 302235 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 635 PM EDT Sun Mar 30 2025 ANZ250-254>256-311145- /O.CON.KBOX.GL.A.0009.250331T1800Z-250401T0900Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 635 PM EDT Sun Mar 30 2025 ...GALE WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON THROUGH LATE MONDAY NIGHT... * WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt and seas 6 to 9 feet possible. * WHERE...In Massachusetts coastal waters, Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary, Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm and Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket. In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island. * WHEN...From Monday afternoon through late Monday night. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ ANZ231>235-237-251-311145- /O.CON.KBOX.GL.A.0009.250331T1800Z-250401T0900Z/ Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay- Rhode Island Sound-Block Island Sound- Massachusetts Bay and Ipswich Bay- 635 PM EDT Sun Mar 30 2025 ...GALE WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON THROUGH LATE MONDAY NIGHT... * WHAT...Southwest winds 10 to 20 kt with gusts up to 30 kt and seas 4 to 6 feet possible. * WHERE...Portions of Massachusetts coastal waters and Rhode Island coastal waters. * WHEN...From Monday afternoon through late Monday night. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$ ANZ230-236-311145- /O.CON.KBOX.GL.A.0009.250331T1800Z-250401T0900Z/ Boston Harbor-Narragansett Bay- 635 PM EDT Sun Mar 30 2025 ...GALE WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON THROUGH LATE MONDAY NIGHT... * WHAT...Southwest winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 5 feet possible. * WHERE...In Massachusetts coastal waters, Boston Harbor. In Rhode Island coastal waters, Narragansett Bay. * WHEN...From Monday afternoon through late Monday night. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas. && $$
Permalink to 202503310410-KBOX-WHUS71-MWWBOX
619 WHUS71 KBOX 310410 MWWBOX URGENT - MARINE WEATHER MESSAGE National Weather Service Boston/Norton MA 1210 AM EDT Mon Mar 31 2025 ANZ254>256-312300- /O.UPG.KBOX.GL.A.0009.250331T1800Z-250401T0900Z/ /O.NEW.KBOX.SC.Y.0046.250331T0800Z-250402T0000Z/ Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 1210 AM EDT Mon Mar 31 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM EARLY THIS MORNING TO 8 PM EDT TUESDAY... * WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt, with isolated gusts of 35 kt possible and seas 5 to 8 feet expected. * WHERE...In Massachusetts coastal waters, Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm and Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket. In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island. * WHEN...From 4 AM early this morning to 8 PM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ232>234-312300- /O.UPG.KBOX.GL.A.0009.250331T1800Z-250401T0900Z/ /O.NEW.KBOX.SC.Y.0046.250331T1200Z-250401T1200Z/ Nantucket Sound-Vineyard Sound-Buzzards Bay- 1210 AM EDT Mon Mar 31 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 8 AM EDT TUESDAY... * WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt, with isolated gusts of 35 kt possible and seas 4 to 6 feet expected. * WHERE...Nantucket Sound, Vineyard Sound and Buzzards Bay. * WHEN...From 8 AM this morning to 8 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ235-237-312300- /O.UPG.KBOX.GL.A.0009.250331T1800Z-250401T0900Z/ /O.NEW.KBOX.SC.Y.0046.250331T1200Z-250402T0000Z/ Rhode Island Sound-Block Island Sound- 1210 AM EDT Mon Mar 31 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 8 PM EDT TUESDAY... * WHAT...West winds 15 to 25 kt with gusts up to 30 kt and seas 4 to 7 feet expected. * WHERE...Rhode Island Sound and Block Island Sound. * WHEN...From 8 AM this morning to 8 PM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ236-312300- /O.UPG.KBOX.GL.A.0009.250331T1800Z-250401T0900Z/ /O.NEW.KBOX.SC.Y.0046.250331T1200Z-250401T1200Z/ Narragansett Bay- 1210 AM EDT Mon Mar 31 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 8 AM EDT TUESDAY... * WHAT...Southwest winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 5 feet expected. * WHERE...Narragansett Bay. * WHEN...From 8 AM this morning to 8 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ231-251-312300- /O.UPG.KBOX.GL.A.0009.250331T1800Z-250401T0900Z/ /O.NEW.KBOX.SC.Y.0046.250331T1200Z-250401T1200Z/ Cape Cod Bay-Massachusetts Bay and Ipswich Bay- 1210 AM EDT Mon Mar 31 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 8 AM EDT TUESDAY... * WHAT...Southwest winds 10 to 20 kt with gusts up to 30 kt and seas 3 to 5 feet expected. * WHERE...Cape Cod Bay and Massachusetts Bay and Ipswich Bay. * WHEN...From 8 AM this morning to 8 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ250-312300- /O.UPG.KBOX.GL.A.0009.250331T1800Z-250401T0900Z/ /O.NEW.KBOX.SC.Y.0046.250331T1200Z-250402T0000Z/ Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 1210 AM EDT Mon Mar 31 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 8 PM EDT TUESDAY... * WHAT...West winds 15 to 25 kt with gusts up to 30 kt and seas 4 to 7 feet expected. * WHERE...Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary. * WHEN...From 8 AM this morning to 8 PM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ230-312300- /O.UPG.KBOX.GL.A.0009.250331T1800Z-250401T0900Z/ /O.NEW.KBOX.SC.Y.0046.250331T1200Z-250401T1200Z/ Boston Harbor- 1210 AM EDT Mon Mar 31 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 8 AM EDT TUESDAY... * WHAT...Southwest winds 10 to 15 kt with gusts up to 30 kt and waves around 2 feet expected. * WHERE...Boston Harbor. * WHEN...From 8 AM this morning to 8 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
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