Active Weather Alerts
Heavy Freezing Spray Warning
Issued: 2:49 AM Jan. 21, 2026 – National Weather Service
...HEAVY FREEZING SPRAY WARNING NOW IN EFFECT UNTIL 4 AM EST WEDNESDAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST WEDNESDAY... * 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, southwest winds 15 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft occurring. * WHERE...Manitou Island to Point Isabelle MI, Point Isabelle to Lower Entrance of Portage Canal MI, Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays and Huron Islands to Marquette MI. * WHEN...For the Heavy Freezing Spray Warning, until 4 AM EST Wednesday. For the Small Craft Advisory, until 1 AM EST Wednesday. * 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. &&
Small Craft Advisory
Issued: 2:49 AM Jan. 21, 2026 – National Weather Service
...HEAVY FREEZING SPRAY WARNING NOW IN EFFECT UNTIL 4 AM EST WEDNESDAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST WEDNESDAY... * 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, southwest winds 15 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft occurring. * WHERE...Manitou Island to Point Isabelle MI, Point Isabelle to Lower Entrance of Portage Canal MI, Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays and Huron Islands to Marquette MI. * WHEN...For the Heavy Freezing Spray Warning, until 4 AM EST Wednesday. For the Small Craft Advisory, until 1 AM EST Wednesday. * 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. &&
Extreme Cold Watch
Issued: 1:48 AM Jan. 21, 2026 – National Weather Service
...EXTREME COLD WATCH REMAINS IN EFFECT FROM THURSDAY EVENING THROUGH SATURDAY AFTERNOON... * WHAT...Dangerously cold wind chills as low as 35 below possible. * WHERE...Baraga, Dickinson, Iron, Marquette, Menominee, Gogebic, Keweenaw, Northern Houghton, Ontonagon, and Southern Houghton Counties. * WHEN...From Thursday evening through Saturday afternoon. * IMPACTS...The dangerously cold wind chills as low as 35 below zero could cause frostbite on exposed skin in as little as 10 minutes. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. An extended period of freezing temperatures could cause ruptured water pipes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Dress in layers including a hat, face mask, and gloves if you must go outside. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly. Drain in-ground sprinkler systems and cover above ground pipes. &&
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