Active Weather Alerts
Heavy Freezing Spray Warning
Issued: 8:55 PM Dec. 30, 2025 – National Weather Service
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST WEDNESDAY... ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT FROM 7 AM WEDNESDAY TO 7 PM EST THURSDAY... ...GALE WARNING REMAINS IN EFFECT FROM 10 AM WEDNESDAY TO 7 PM EST THURSDAY... * WHAT...For the Small Craft Advisory, northwest 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 expected, and may rapidly accumulate on vessels. For the Gale Warning, northwest winds 25 to 35 kt with gusts up to 40 kt and waves 10 to 15 ft expected. * WHERE...Huron Islands to Marquette MI, Marquette to Munising MI, Munising to Grand Marais MI and Grand Marais to Whitefish Point MI. * WHEN...For the Small Craft Advisory, until 10 AM EST Wednesday. For the Heavy Freezing Spray Warning, from 7 AM Wednesday to 7 PM EST Thursday. For the Gale Warning, from 10 AM Wednesday to 7 PM EST Thursday. * 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. &&
Small Craft Advisory
Issued: 8:55 PM Dec. 30, 2025 – National Weather Service
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST WEDNESDAY... ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT FROM 7 AM WEDNESDAY TO 7 PM EST THURSDAY... ...GALE WARNING REMAINS IN EFFECT FROM 10 AM WEDNESDAY TO 7 PM EST THURSDAY... * WHAT...For the Small Craft Advisory, northwest 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 expected, and may rapidly accumulate on vessels. For the Gale Warning, northwest winds 25 to 35 kt with gusts up to 40 kt and waves 10 to 15 ft expected. * WHERE...Huron Islands to Marquette MI, Marquette to Munising MI, Munising to Grand Marais MI and Grand Marais to Whitefish Point MI. * WHEN...For the Small Craft Advisory, until 10 AM EST Wednesday. For the Heavy Freezing Spray Warning, from 7 AM Wednesday to 7 PM EST Thursday. For the Gale Warning, from 10 AM Wednesday to 7 PM EST Thursday. * 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. &&
Gale Warning
Issued: 8:55 PM Dec. 30, 2025 – National Weather Service
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST WEDNESDAY... ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT FROM 7 AM WEDNESDAY TO 7 PM EST THURSDAY... ...GALE WARNING REMAINS IN EFFECT FROM 10 AM WEDNESDAY TO 7 PM EST THURSDAY... * WHAT...For the Small Craft Advisory, northwest 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 expected, and may rapidly accumulate on vessels. For the Gale Warning, northwest winds 25 to 35 kt with gusts up to 40 kt and waves 10 to 15 ft expected. * WHERE...Huron Islands to Marquette MI, Marquette to Munising MI, Munising to Grand Marais MI and Grand Marais to Whitefish Point MI. * WHEN...For the Small Craft Advisory, until 10 AM EST Wednesday. For the Heavy Freezing Spray Warning, from 7 AM Wednesday to 7 PM EST Thursday. For the Gale Warning, from 10 AM Wednesday to 7 PM EST Thursday. * 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. &&
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