IEM VTEC Product Browser
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2025 [KLWX] BALTIMORE_MD/_WASHINGTON_DC Marine Dense Fog (MF) Advisory (Y) Number 1
Listing of Counties/Parishes/Zones Included in Product
RADAR Composite at Issuance Time
Storm Based Warning History
437 WHUS71 KLWX 131204 MWWLWX URGENT - MARINE WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 704 AM EST Thu Feb 13 2025 ANZ533-534-537-541>543-132015- /O.NEW.KLWX.MF.Y.0001.250213T1204Z-250213T1600Z/ /O.CON.KLWX.SC.Y.0030.250214T0000Z-250214T1100Z/ Chesapeake Bay from North Beach to Drum Point MD- Chesapeake Bay from Drum Point MD to Smith Point VA- Tidal Potomac from Cobb Island MD to Smith Point VA- Choptank River to Cambridge MD and the Little Choptank River- Patuxent River to Broomes Island MD- Tangier Sound and the inland waters surrounding Bloodsworth Island- 704 AM EST Thu Feb 13 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EST THIS MORNING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 6 AM EST FRIDAY... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to 1/4 to 1/2 NM. For the Small Craft Advisory, northwest winds 25 to 20 kt with gusts up to 30 kt and waves 2 to 4 ft expected. * WHERE...Chesapeake Bay from North Beach MD to Smith Point VA, Tidal Potomac from Cobb Island MD to Smith Point VA, Choptank River to Cambridge MD and the Little Choptank River, Patuxent River to Broomes Island MD, and Tangier Sound and the inland waters surrounding Bloodsworth Island. * WHEN...For the Dense Fog Advisory, until 11 AM EST this morning. For the Small Craft Advisory, from 7 PM this evening to 6 AM EST Friday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ ANZ530>532-535-536-538>540-132015- /O.NEW.KLWX.MF.Y.0001.250213T1204Z-250213T1600Z/ /O.CON.KLWX.SC.Y.0030.250213T2100Z-250214T1100Z/ Chesapeake Bay north of Pooles Island MD- Chesapeake Bay from Pooles Island to Sandy Point MD- Chesapeake Bay from Sandy Point to North Beach MD- Tidal Potomac from Key Bridge to Indian Head MD- Tidal Potomac from Indian Head to Cobb Island MD- Patapsco River including Baltimore Harbor- Chester River to Queenstown MD-Eastern Bay- 704 AM EST Thu Feb 13 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EST THIS MORNING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 6 AM EST FRIDAY... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to 1/4 to 1/2 NM. For the Small Craft Advisory, northwest winds 15 to 25 kt with gusts up to 30 kt expected. * WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD, Chesapeake Bay north of North Beach MD, Patapsco River including Baltimore Harbor, Chester River to Queenstown MD, and Eastern Bay. * WHEN...For the Dense Fog Advisory, until 11 AM EST this morning. For the Small Craft Advisory, from 4 PM this afternoon to 6 AM EST Friday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ CJL
416 WHUS71 KLWX 131553 MWWLWX URGENT - MARINE WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 1053 AM EST Thu Feb 13 2025 ANZ530-531-535-536-538-539-140000- /O.EXP.KLWX.MF.Y.0001.000000T0000Z-250213T1600Z/ /O.EXT.KLWX.SC.Y.0030.250213T2100Z-250214T1700Z/ Chesapeake Bay north of Pooles Island MD- Chesapeake Bay from Pooles Island to Sandy Point MD- Tidal Potomac from Key Bridge to Indian Head MD- Tidal Potomac from Indian Head to Cobb Island MD- Patapsco River including Baltimore Harbor- Chester River to Queenstown MD- 1053 AM EST Thu Feb 13 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 4 PM THIS AFTERNOON TO NOON EST FRIDAY... ...DENSE FOG ADVISORY WILL EXPIRE AT 11 AM EST THIS MORNING... * WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt expected. * WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD, Chesapeake Bay north of Sandy Point MD, Patapsco River including Baltimore Harbor, and Chester River to Queenstown MD. * WHEN...From 4 PM this afternoon to noon EST Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ532-540-140000- /O.EXP.KLWX.MF.Y.0001.000000T0000Z-250213T1600Z/ /O.EXT.KLWX.SC.Y.0030.250213T2100Z-250214T2000Z/ Chesapeake Bay from Sandy Point to North Beach MD-Eastern Bay- 1053 AM EST Thu Feb 13 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 4 PM THIS AFTERNOON TO 3 PM EST FRIDAY... ...DENSE FOG ADVISORY WILL EXPIRE AT 11 AM EST THIS MORNING... * WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt expected. * WHERE...Chesapeake Bay from Sandy Point to North Beach MD and Eastern Bay. * WHEN...From 4 PM this afternoon to 3 PM EST Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ533-534-537-541>543-140000- /O.EXP.KLWX.MF.Y.0001.000000T0000Z-250213T1600Z/ /O.EXT.KLWX.SC.Y.0030.250214T0000Z-250214T2000Z/ Chesapeake Bay from North Beach to Drum Point MD- Chesapeake Bay from Drum Point MD to Smith Point VA- Tidal Potomac from Cobb Island MD to Smith Point VA- Choptank River to Cambridge MD and the Little Choptank River- Patuxent River to Broomes Island MD- Tangier Sound and the inland waters surrounding Bloodsworth Island- 1053 AM EST Thu Feb 13 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 7 PM THIS EVENING TO 3 PM EST FRIDAY... ...DENSE FOG ADVISORY WILL EXPIRE AT 11 AM EST THIS MORNING... * WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and waves 2 to 4 ft expected. * WHERE...Chesapeake Bay from North Beach MD to Smith Point VA, Tidal Potomac from Cobb Island MD to Smith Point VA, Choptank River to Cambridge MD and the Little Choptank River, Patuxent River to Broomes Island MD, and Tangier Sound and the inland waters surrounding Bloodsworth Island. * WHEN...From 7 PM this evening to 3 PM EST Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ CJL
Permalink to 202502131204-KLWX-WHUS71-MWWLWX
437 WHUS71 KLWX 131204 MWWLWX URGENT - MARINE WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 704 AM EST Thu Feb 13 2025 ANZ533-534-537-541>543-132015- /O.NEW.KLWX.MF.Y.0001.250213T1204Z-250213T1600Z/ /O.CON.KLWX.SC.Y.0030.250214T0000Z-250214T1100Z/ Chesapeake Bay from North Beach to Drum Point MD- Chesapeake Bay from Drum Point MD to Smith Point VA- Tidal Potomac from Cobb Island MD to Smith Point VA- Choptank River to Cambridge MD and the Little Choptank River- Patuxent River to Broomes Island MD- Tangier Sound and the inland waters surrounding Bloodsworth Island- 704 AM EST Thu Feb 13 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EST THIS MORNING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 6 AM EST FRIDAY... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to 1/4 to 1/2 NM. For the Small Craft Advisory, northwest winds 25 to 20 kt with gusts up to 30 kt and waves 2 to 4 ft expected. * WHERE...Chesapeake Bay from North Beach MD to Smith Point VA, Tidal Potomac from Cobb Island MD to Smith Point VA, Choptank River to Cambridge MD and the Little Choptank River, Patuxent River to Broomes Island MD, and Tangier Sound and the inland waters surrounding Bloodsworth Island. * WHEN...For the Dense Fog Advisory, until 11 AM EST this morning. For the Small Craft Advisory, from 7 PM this evening to 6 AM EST Friday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ ANZ530>532-535-536-538>540-132015- /O.NEW.KLWX.MF.Y.0001.250213T1204Z-250213T1600Z/ /O.CON.KLWX.SC.Y.0030.250213T2100Z-250214T1100Z/ Chesapeake Bay north of Pooles Island MD- Chesapeake Bay from Pooles Island to Sandy Point MD- Chesapeake Bay from Sandy Point to North Beach MD- Tidal Potomac from Key Bridge to Indian Head MD- Tidal Potomac from Indian Head to Cobb Island MD- Patapsco River including Baltimore Harbor- Chester River to Queenstown MD-Eastern Bay- 704 AM EST Thu Feb 13 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EST THIS MORNING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 6 AM EST FRIDAY... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to 1/4 to 1/2 NM. For the Small Craft Advisory, northwest winds 15 to 25 kt with gusts up to 30 kt expected. * WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD, Chesapeake Bay north of North Beach MD, Patapsco River including Baltimore Harbor, Chester River to Queenstown MD, and Eastern Bay. * WHEN...For the Dense Fog Advisory, until 11 AM EST this morning. For the Small Craft Advisory, from 4 PM this afternoon to 6 AM EST Friday. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ CJL
Permalink to 202502131553-KLWX-WHUS71-MWWLWX
416 WHUS71 KLWX 131553 MWWLWX URGENT - MARINE WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 1053 AM EST Thu Feb 13 2025 ANZ530-531-535-536-538-539-140000- /O.EXP.KLWX.MF.Y.0001.000000T0000Z-250213T1600Z/ /O.EXT.KLWX.SC.Y.0030.250213T2100Z-250214T1700Z/ Chesapeake Bay north of Pooles Island MD- Chesapeake Bay from Pooles Island to Sandy Point MD- Tidal Potomac from Key Bridge to Indian Head MD- Tidal Potomac from Indian Head to Cobb Island MD- Patapsco River including Baltimore Harbor- Chester River to Queenstown MD- 1053 AM EST Thu Feb 13 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 4 PM THIS AFTERNOON TO NOON EST FRIDAY... ...DENSE FOG ADVISORY WILL EXPIRE AT 11 AM EST THIS MORNING... * WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt expected. * WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD, Chesapeake Bay north of Sandy Point MD, Patapsco River including Baltimore Harbor, and Chester River to Queenstown MD. * WHEN...From 4 PM this afternoon to noon EST Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ532-540-140000- /O.EXP.KLWX.MF.Y.0001.000000T0000Z-250213T1600Z/ /O.EXT.KLWX.SC.Y.0030.250213T2100Z-250214T2000Z/ Chesapeake Bay from Sandy Point to North Beach MD-Eastern Bay- 1053 AM EST Thu Feb 13 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 4 PM THIS AFTERNOON TO 3 PM EST FRIDAY... ...DENSE FOG ADVISORY WILL EXPIRE AT 11 AM EST THIS MORNING... * WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt expected. * WHERE...Chesapeake Bay from Sandy Point to North Beach MD and Eastern Bay. * WHEN...From 4 PM this afternoon to 3 PM EST Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ ANZ533-534-537-541>543-140000- /O.EXP.KLWX.MF.Y.0001.000000T0000Z-250213T1600Z/ /O.EXT.KLWX.SC.Y.0030.250214T0000Z-250214T2000Z/ Chesapeake Bay from North Beach to Drum Point MD- Chesapeake Bay from Drum Point MD to Smith Point VA- Tidal Potomac from Cobb Island MD to Smith Point VA- Choptank River to Cambridge MD and the Little Choptank River- Patuxent River to Broomes Island MD- Tangier Sound and the inland waters surrounding Bloodsworth Island- 1053 AM EST Thu Feb 13 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 7 PM THIS EVENING TO 3 PM EST FRIDAY... ...DENSE FOG ADVISORY WILL EXPIRE AT 11 AM EST THIS MORNING... * WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and waves 2 to 4 ft expected. * WHERE...Chesapeake Bay from North Beach MD to Smith Point VA, Tidal Potomac from Cobb Island MD to Smith Point VA, Choptank River to Cambridge MD and the Little Choptank River, Patuxent River to Broomes Island MD, and Tangier Sound and the inland waters surrounding Bloodsworth Island. * WHEN...From 7 PM this evening to 3 PM EST Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ CJL
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