Active Weather Alerts
Storm Warning
Issued: 7:51 AM Mar. 16, 2026 – National Weather Service
...STORM WARNING REMAINS IN EFFECT UNTIL 2 PM EDT /1 PM CDT/ THIS AFTERNOON... ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 2 PM EDT /1 PM CDT/ TUESDAY... ...GALE WARNING IN EFFECT FROM 2 PM EDT /1 PM CDT/ THIS AFTERNOON TO 2 AM EDT /1 AM CDT/ TUESDAY... * WHAT...For the Storm Warning, north winds 30 to 35 kt with gusts up to 50 kt and waves 16 to 21 ft occurring. 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 Gale Warning, north winds 25 to 35 kt with gusts up to 45 kt and waves 12 to 17 ft expected. * WHERE...Saxon Harbor WI to Black River MI, Black River to Ontonagon MI, Ontonagon to Upper Entrance of Portage Canal MI and Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park. * WHEN...For the Storm Warning, until 2 PM EDT /1 PM CDT/ this afternoon. For the Heavy Freezing Spray Warning, until 2 PM EDT /1 PM CDT/ Tuesday. For the Gale Warning, from 2 PM EDT /1 PM CDT/ this afternoon to 2 AM EDT /1 AM CDT/ 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. &&
Gale Warning
Issued: 7:51 AM Mar. 16, 2026 – National Weather Service
...STORM WARNING REMAINS IN EFFECT UNTIL 2 PM EDT /1 PM CDT/ THIS AFTERNOON... ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 2 PM EDT /1 PM CDT/ TUESDAY... ...GALE WARNING IN EFFECT FROM 2 PM EDT /1 PM CDT/ THIS AFTERNOON TO 2 AM EDT /1 AM CDT/ TUESDAY... * WHAT...For the Storm Warning, north winds 30 to 35 kt with gusts up to 50 kt and waves 16 to 21 ft occurring. 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 Gale Warning, north winds 25 to 35 kt with gusts up to 45 kt and waves 12 to 17 ft expected. * WHERE...Saxon Harbor WI to Black River MI, Black River to Ontonagon MI, Ontonagon to Upper Entrance of Portage Canal MI and Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park. * WHEN...For the Storm Warning, until 2 PM EDT /1 PM CDT/ this afternoon. For the Heavy Freezing Spray Warning, until 2 PM EDT /1 PM CDT/ Tuesday. For the Gale Warning, from 2 PM EDT /1 PM CDT/ this afternoon to 2 AM EDT /1 AM CDT/ 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. &&
Heavy Freezing Spray Warning
Issued: 7:51 AM Mar. 16, 2026 – National Weather Service
...STORM WARNING REMAINS IN EFFECT UNTIL 2 PM EDT /1 PM CDT/ THIS AFTERNOON... ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 2 PM EDT /1 PM CDT/ TUESDAY... ...GALE WARNING IN EFFECT FROM 2 PM EDT /1 PM CDT/ THIS AFTERNOON TO 2 AM EDT /1 AM CDT/ TUESDAY... * WHAT...For the Storm Warning, north winds 30 to 35 kt with gusts up to 50 kt and waves 16 to 21 ft occurring. 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 Gale Warning, north winds 25 to 35 kt with gusts up to 45 kt and waves 12 to 17 ft expected. * WHERE...Saxon Harbor WI to Black River MI, Black River to Ontonagon MI, Ontonagon to Upper Entrance of Portage Canal MI and Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park. * WHEN...For the Storm Warning, until 2 PM EDT /1 PM CDT/ this afternoon. For the Heavy Freezing Spray Warning, until 2 PM EDT /1 PM CDT/ Tuesday. For the Gale Warning, from 2 PM EDT /1 PM CDT/ this afternoon to 2 AM EDT /1 AM CDT/ 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. &&
Winter Weather Advisory
Issued: 7:25 AM Mar. 16, 2026 – National Weather Service
...WINTER WEATHER ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... ...BLIZZARD WARNING IS CANCELLED... * WHAT...Snow. Additional snow accumulations between 3 and 6 inches. Locally higher amounts up to 8 inches in the higher elevations of northern Iron County. Winds gusting as high as 35 mph. * WHERE...Iron County. This includes the Tribal Lands of the northwestern area of the Lac du Flambeau Band. * WHEN...Until 1 PM CDT this afternoon. * IMPACTS...Plan on slippery road conditions. Areas of blowing snow could significantly reduce visibility. The hazardous conditions could impact the Monday morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Call 511 or visit www.511wi.gov for Wisconsin road information. &&
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