Active Weather Alerts
Small Craft Advisory
Issued: 12:04 AM Feb. 3, 2026 – National Weather Service
...HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 1 PM EST TUESDAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST TUESDAY... * WHAT...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 to north winds 10 to 20 kt with gusts up to 25 kt and waves 4 to 8 ft occurring. * WHERE...Huron Islands to Marquette MI, Marquette to Munising MI and Munising to Grand Marais MI. * WHEN...For the Heavy Freezing Spray Warning, until 1 PM EST Tuesday. For the Small Craft Advisory, until 4 PM EST Tuesday. * 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. &&
Heavy Freezing Spray Warning
Issued: 12:04 AM Feb. 3, 2026 – National Weather Service
...HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 1 PM EST TUESDAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST TUESDAY... * WHAT...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 to north winds 10 to 20 kt with gusts up to 25 kt and waves 4 to 8 ft occurring. * WHERE...Huron Islands to Marquette MI, Marquette to Munising MI and Munising to Grand Marais MI. * WHEN...For the Heavy Freezing Spray Warning, until 1 PM EST Tuesday. For the Small Craft Advisory, until 4 PM EST Tuesday. * 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. &&
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