Active Weather Alerts
Heavy Freezing Spray Warning
Issued: 3:41 PM Dec. 20, 2025 – National Weather Service
...GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST SUNDAY... ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 8 AM EST SUNDAY... * WHAT...For the Gale Warning, west winds 25 to 35 kt with gusts up to 45 kt and waves 7 to 10 ft expected. 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. * WHERE...Huron Islands to Marquette MI. * WHEN...For the Gale Warning, until 7 AM EST Sunday. For the Heavy Freezing Spray Warning, from 4 PM this afternoon to 8 AM EST Sunday. * 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: 3:41 PM Dec. 20, 2025 – National Weather Service
...GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST SUNDAY... ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 8 AM EST SUNDAY... * WHAT...For the Gale Warning, west winds 25 to 35 kt with gusts up to 45 kt and waves 7 to 10 ft expected. 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. * WHERE...Huron Islands to Marquette MI. * WHEN...For the Gale Warning, until 7 AM EST Sunday. For the Heavy Freezing Spray Warning, from 4 PM this afternoon to 8 AM EST Sunday. * 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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