Active Weather Alerts
Heavy Freezing Spray Warning
Issued: 9:04 PM Dec. 27, 2025 – National Weather Service
...STORM WARNING IN EFFECT FROM 10 PM SUNDAY TO 1 AM EST TUESDAY... ...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 3 AM MONDAY TO 7 AM EST TUESDAY... * WHAT...For the Storm Warning, northeast becoming northerly winds 35 to 45 kt with gusts up to 55 kt and waves 20 to 25 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...Point Isabelle to Lower Entrance of Portage Canal MI, Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays, 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 and Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border. * WHEN...For the Storm Warning, from 10 PM Sunday to 1 AM EST Tuesday. For the Heavy Freezing Spray Warning, from 3 AM Monday to 7 AM 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. Storm force winds and hazardous waves will 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 remain in port, alter course, and/or secure the vessel for severe conditions. &&
Storm Warning
Issued: 9:04 PM Dec. 27, 2025 – National Weather Service
...STORM WARNING IN EFFECT FROM 10 PM SUNDAY TO 1 AM EST TUESDAY... ...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 3 AM MONDAY TO 7 AM EST TUESDAY... * WHAT...For the Storm Warning, northeast becoming northerly winds 35 to 45 kt with gusts up to 55 kt and waves 20 to 25 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...Point Isabelle to Lower Entrance of Portage Canal MI, Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays, 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 and Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border. * WHEN...For the Storm Warning, from 10 PM Sunday to 1 AM EST Tuesday. For the Heavy Freezing Spray Warning, from 3 AM Monday to 7 AM 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. Storm force winds and hazardous waves will 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 remain in port, alter course, and/or secure the vessel for severe conditions. &&
Lakeshore Flood Warning
Issued: 8:09 PM Dec. 27, 2025 – National Weather Service
...LAKESHORE FLOOD WARNING IN EFFECT FROM 1 AM MONDAY TO 1 AM EST TUESDAY... * WHAT...Significant lakeshore flooding expected. * WHERE...Marquette and Alger Counties. * WHEN...From 1 AM Monday to 1 AM EST Tuesday. * IMPACTS...Numerous roads closed and low lying property including parking lots, lawns, and homes and businesses will be inundated near the lake. Some shoreline erosion will occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. &&
Blizzard Warning
Issued: 8:01 PM Dec. 27, 2025 – National Weather Service
...BLIZZARD WARNING IN EFFECT FROM 7 PM SUNDAY TO 7 PM EST MONDAY... * WHAT...Blizzard conditions expected. A glaze of ice possible in eastern Alger County Sunday morning before changing to heavy snow Sunday evening. Total snow accumulations between 15 and 22 inches, greatest amounts in areas of high terrain. Winds gusting as high as 60 mph, strongest near Lake Superior. * WHERE...Alger and Marquette Counties. * WHEN...From 7 PM Sunday to 7 PM EST Monday. * IMPACTS...The strong winds and weight of snow on tree limbs may down power lines and could cause sporadic power outages. Travel will be very difficult to impossible. Widespread blowing snow will significantly reduce visibility. The hazardous conditions will impact the Monday morning and evening commutes. Strong winds could cause tree damage. PRECAUTIONARY/PREPAREDNESS ACTIONS... Travel should be restricted to emergencies only. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle. &&
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