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800 WHUS73 KMQT 220316 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 1116 PM EDT Fri Mar 21 2025 LSZ243-221130- /O.UPG.KMQT.SC.Y.0061.000000T0000Z-250322T1500Z/ /O.NEW.KMQT.GL.W.0023.250322T0316Z-250322T0700Z/ /O.CON.KMQT.UP.W.0016.000000T0000Z-250322T1300Z/ /O.NEW.KMQT.SC.Y.0063.250322T0700Z-250322T1500Z/ Upper Entrance of Portage Canal to Eagle River MI- 1116 PM EDT Fri Mar 21 2025 ...GALE WARNING IN EFFECT UNTIL 3 AM EDT SATURDAY... ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 9 AM EDT SATURDAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM TO 11 AM EDT SATURDAY... * WHAT...For the Gale Warning, north winds 20 to 25 kt with gusts up to 35 kt and waves 7 to 10 ft occurring. For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater occurring, and may rapidly accumulate on vessels. For the Small Craft Advisory, north winds 10 to 20 kt with gusts up to 30 kt and waves 6 to 9 ft expected. * WHERE...Upper Entrance of Portage Canal to Eagle River MI. * WHEN...For the Gale Warning, until 3 AM EDT Saturday. For the Heavy Freezing Spray Warning, until 9 AM EDT Saturday. For the Small Craft Advisory, from 3 AM to 11 AM EDT Saturday. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should prepare for dangerous accumulation of ice on their vessel. If possible, remain in port, avoid the warning area or conduct mitigation. Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ244-221130- /O.UPG.KMQT.SC.Y.0061.000000T0000Z-250322T1500Z/ /O.NEW.KMQT.GL.W.0023.250322T0316Z-250322T0700Z/ /O.CON.KMQT.UP.W.0016.000000T0000Z-250322T1300Z/ /O.NEW.KMQT.SC.Y.0063.250322T0700Z-250322T1800Z/ Eagle River to Manitou Island MI- 1116 PM EDT Fri Mar 21 2025 ...GALE WARNING IN EFFECT UNTIL 3 AM EDT SATURDAY... ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 9 AM EDT SATURDAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM TO 2 PM EDT SATURDAY... * WHAT...For the Gale Warning, north winds around 25 kt with gusts up to 35 kt and waves 8 to 11 ft occurring. For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater occurring, and may rapidly accumulate on vessels. For the Small Craft Advisory, north winds 15 to 25 kt with gusts up to 30 kt and waves 7 to 10 ft expected. * WHERE...Eagle River to Manitou Island MI. * WHEN...For the Gale Warning, until 3 AM EDT Saturday. For the Heavy Freezing Spray Warning, until 9 AM EDT Saturday. For the Small Craft Advisory, from 3 AM to 2 PM EDT Saturday. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should prepare for dangerous accumulation of ice on their vessel. If possible, remain in port, avoid the warning area or conduct mitigation. Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ245-221130- /O.UPG.KMQT.SC.Y.0062.000000T0000Z-250322T1800Z/ /O.NEW.KMQT.GL.W.0023.250322T0316Z-250322T0700Z/ /O.CON.KMQT.UP.W.0016.000000T0000Z-250322T1500Z/ /O.NEW.KMQT.SC.Y.0063.250322T0700Z-250322T1800Z/ Manitou Island to Point Isabelle MI- 1116 PM EDT Fri Mar 21 2025 ...GALE WARNING IN EFFECT UNTIL 3 AM EDT SATURDAY... ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 11 AM EDT SATURDAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM TO 2 PM EDT SATURDAY... * WHAT...For the Gale Warning, north winds 20 to 25 kt with gusts up to 35 kt and waves 4 to 7 ft occurring. For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater occurring, and may rapidly accumulate on vessels. For the Small Craft Advisory, north winds 15 to 25 kt with gusts up to 30 kt and waves 4 to 7 ft expected. * WHERE...Manitou Island to Point Isabelle MI. * WHEN...For the Gale Warning, until 3 AM EDT Saturday. For the Heavy Freezing Spray Warning, until 11 AM EDT Saturday. For the Small Craft Advisory, from 3 AM to 2 PM EDT Saturday. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should prepare for dangerous accumulation of ice on their vessel. If possible, remain in port, avoid the warning area or conduct mitigation. Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ248-221130- /O.UPG.KMQT.SC.Y.0062.000000T0000Z-250322T1800Z/ /O.NEW.KMQT.GL.W.0023.250322T0316Z-250322T0900Z/ /O.CON.KMQT.UP.W.0016.000000T0000Z-250322T1500Z/ /O.NEW.KMQT.SC.Y.0063.250322T0900Z-250322T2100Z/ Huron Islands to Marquette MI- 1116 PM EDT Fri Mar 21 2025 ...GALE WARNING IN EFFECT UNTIL 5 AM EDT SATURDAY... ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 11 AM EDT SATURDAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM TO 5 PM EDT SATURDAY... * WHAT...For the Gale Warning, north winds 20 to 25 kt with gusts up to 35 kt and waves 7 to 10 ft occurring. For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater occurring, and may rapidly accumulate on vessels. For the Small Craft Advisory, northwest winds 15 to 25 kt with gusts up to 30 kt and waves 6 to 9 ft expected. * WHERE...Huron Islands to Marquette MI. * WHEN...For the Gale Warning, until 5 AM EDT Saturday. For the Heavy Freezing Spray Warning, until 11 AM EDT Saturday. For the Small Craft Advisory, from 5 AM to 5 PM EDT Saturday. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should prepare for dangerous accumulation of ice on their vessel. If possible, remain in port, avoid the warning area or conduct mitigation. Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ249-250-221130- /O.UPG.KMQT.SC.Y.0062.000000T0000Z-250322T2300Z/ /O.NEW.KMQT.GL.W.0023.250322T0316Z-250322T0900Z/ /O.CON.KMQT.UP.W.0016.000000T0000Z-250322T1500Z/ /O.NEW.KMQT.SC.Y.0063.250322T0900Z-250322T2300Z/ Marquette to Munising MI-Munising to Grand Marais MI- 1116 PM EDT Fri Mar 21 2025 ...GALE WARNING IN EFFECT UNTIL 5 AM EDT SATURDAY... ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 11 AM EDT SATURDAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM TO 7 PM EDT SATURDAY... * WHAT...For the Gale Warning, north winds 20 to 25 kt with gusts up to 35 kt and waves 7 to 12 ft occurring. For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater occurring, and may rapidly accumulate on vessels. For the Small Craft Advisory, north winds 15 to 25 kt with gusts up to 30 kt and waves 7 to 12 ft expected. * WHERE...Marquette to Munising MI and Munising to Grand Marais MI. * WHEN...For the Gale Warning, until 5 AM EDT Saturday. For the Heavy Freezing Spray Warning, until 11 AM EDT Saturday. For the Small Craft Advisory, from 5 AM to 7 PM EDT Saturday. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should prepare for dangerous accumulation of ice on their vessel. If possible, remain in port, avoid the warning area or conduct mitigation. Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ264-221130- /O.NEW.KMQT.GL.W.0023.250322T0316Z-250322T0700Z/ /O.CON.KMQT.UP.W.0016.000000T0000Z-250322T1300Z/ Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border- 1116 PM EDT Fri Mar 21 2025 ...GALE WARNING IN EFFECT UNTIL 3 AM EDT SATURDAY... ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 9 AM EDT SATURDAY... * WHAT...For the Gale Warning, north winds 25 to 30 kt with gusts up to 40 kt and waves 7 to 10 ft occurring. For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater occurring, and may rapidly accumulate on vessels. * WHERE...Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border. * WHEN...For the Gale Warning, until 3 AM EDT Saturday. For the Heavy Freezing Spray Warning, until 9 AM EDT Saturday. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should prepare for dangerous accumulation of ice on their vessel. If possible, remain in port, avoid the warning area or conduct mitigation. Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ265-266-221130- /O.NEW.KMQT.GL.W.0023.250322T0316Z-250322T0900Z/ /O.CON.KMQT.UP.W.0016.000000T0000Z-250322T1500Z/ Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore- Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore- 1116 PM EDT Fri Mar 21 2025 ...GALE WARNING IN EFFECT UNTIL 5 AM EDT SATURDAY... ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 11 AM EDT SATURDAY... * WHAT...For the Gale Warning, north winds around 25 kt with gusts up to 35 kt and waves 8 to 12 ft occurring. For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater occurring, and may rapidly accumulate on vessels. * WHERE...Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore and Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore. * WHEN...For the Gale Warning, until 5 AM EDT Saturday. For the Heavy Freezing Spray Warning, until 11 AM EDT Saturday. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should prepare for dangerous accumulation of ice on their vessel. If possible, remain in port, avoid the warning area or conduct mitigation. Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ241-242-221130- /O.EXT.KMQT.SC.Y.0061.000000T0000Z-250322T1400Z/ /O.CON.KMQT.UP.W.0016.000000T0000Z-250322T1200Z/ Black River to Ontonagon MI- Ontonagon to Upper Entrance of Portage Canal MI- 1116 PM EDT Fri Mar 21 2025 /1016 PM CDT Fri Mar 21 2025/ ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 AM EDT /9 AM CDT/ SATURDAY... ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 8 AM EDT /7 AM CDT/ SATURDAY... * WHAT...For the Small Craft Advisory, north winds 15 to 25 kt with gusts up to 30 kt and waves 6 to 9 ft occurring. For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater occurring, and may rapidly accumulate on vessels. * WHERE...Black River to Ontonagon MI and Ontonagon to Upper Entrance of Portage Canal MI. * WHEN...For the Small Craft Advisory, until 10 AM EDT /9 AM CDT/ Saturday. For the Heavy Freezing Spray Warning, until 8 AM EDT /7 AM CDT/ Saturday. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should prepare for dangerous accumulation of ice on their vessel. If possible, remain in port, avoid the warning area or conduct mitigation. Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ251-221130- /O.EXT.KMQT.SC.Y.0062.000000T0000Z-250322T2200Z/ /O.CON.KMQT.UP.W.0016.000000T0000Z-250322T1500Z/ Grand Marais to Whitefish Point MI- 1116 PM EDT Fri Mar 21 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 PM EDT SATURDAY... ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 11 AM EDT SATURDAY... * WHAT...For the Small Craft Advisory, north winds 15 to 25 kt with gusts up to 30 kt and waves 6 to 9 ft occurring. For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater occurring, and may rapidly accumulate on vessels. * WHERE...Grand Marais to Whitefish Point MI. * WHEN...For the Small Craft Advisory, until 6 PM EDT Saturday. For the Heavy Freezing Spray Warning, until 11 AM EDT Saturday. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should prepare for dangerous accumulation of ice on their vessel. If possible, remain in port, avoid the warning area or conduct mitigation. Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ263-221130- /O.CON.KMQT.UP.W.0016.000000T0000Z-250322T1200Z/ Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park- 1116 PM EDT Fri Mar 21 2025 ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 8 AM EDT SATURDAY... * WHAT...Heavy freezing spray at a rate of 2 cm per hour or greater occurring, and may rapidly accumulate on vessels. * WHERE...Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park. * WHEN...Until 8 AM EDT Saturday. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should prepare for dangerous accumulation of ice on their vessel. If possible, remain in port, avoid the warning area or conduct mitigation. && $$ LSZ267-221130- /O.CON.KMQT.UP.W.0016.000000T0000Z-250322T1500Z/ Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border- 1116 PM EDT Fri Mar 21 2025 ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 11 AM EDT SATURDAY... * WHAT...Heavy freezing spray at a rate of 2 cm per hour or greater occurring, and may rapidly accumulate on vessels. * WHERE...Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border. * WHEN...Until 11 AM EDT Saturday. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should prepare for dangerous accumulation of ice on their vessel. If possible, remain in port, avoid the warning area or conduct mitigation. && $$ LSZ240-221130- /O.EXT.KMQT.SC.Y.0061.000000T0000Z-250322T1400Z/ Saxon Harbor WI to Black River MI- 1116 PM EDT Fri Mar 21 2025 /1016 PM CDT Fri Mar 21 2025/ ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 AM EDT /9 AM CDT/ SATURDAY... * WHAT...North winds 10 to 20 kt with gusts up to 30 kt and waves 4 to 7 ft occurring. * WHERE...Saxon Harbor WI to Black River MI. * WHEN...Until 10 AM EDT /9 AM CDT/ Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ246-247-221100- /O.EXT.KMQT.SC.Y.0062.000000T0000Z-250322T1100Z/ Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 1116 PM EDT Fri Mar 21 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 AM EDT SATURDAY... * WHAT...North winds 10 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft occurring. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI and Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...Until 7 AM EDT Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ221-248-250-221130- /O.CON.KMQT.SC.Y.0061.000000T0000Z-250322T1500Z/ Green Bay North of line from Cedar River MI to Rock Island Passage-Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 1116 PM EDT Fri Mar 21 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT SATURDAY... * WHAT...North winds 15 to 25 kt with gusts up to 30 kt and waves 1 to 4 ft occurring. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage, Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...Until 11 AM EDT Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ GS