Watches, Warnings & Advisories
3 products found for Marine Zone: LSZ245
Heavy Freezing Spray Warning
URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 416 AM EST Mon Dec 29 2025 LSZ245>251-265>267-292130- /O.CON.KMQT.SR.W.0007.000000T0000Z-251230T0300Z/ /O.CON.KMQT.UP.W.0022.000000T0000Z-251230T0300Z/ 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-Huron Islands to Marquette MI- Marquette to Munising MI-Munising to Grand Marais MI- Grand Marais to Whitefish Point MI- 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- Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border- 416 AM EST Mon Dec 29 2025 ...STORM WARNING REMAINS IN EFFECT UNTIL 10 PM EST THIS EVENING... ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 10 PM EST THIS EVENING... * WHAT...For the Storm Warning, north winds 35 to 45 kt with gusts up to 60 kt and waves 21 to 26 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. * WHERE...Portions of Central and Eastern Lake Superior. * WHEN...Until 10 PM EST this evening. * 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. && $$
Hazardous Weather Outlook
Hazardous Weather Outlook National Weather Service Marquette MI 444 AM EST Mon Dec 29 2025 LSZ162-240>251-263>267-300945- Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM-Saxon Harbor WI to Black River MI- Black River to Ontonagon MI- Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- Eagle River to Manitou Island MI- 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-Huron Islands to Marquette MI- Marquette to Munising MI-Munising to Grand Marais MI- Grand Marais to Whitefish Point MI- 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- Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border- 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- Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border- 444 AM EST Mon Dec 29 2025 /344 AM CST Mon Dec 29 2025/ This Hazardous Weather Outlook is for portions of Central Lake Superior...Eastern Lake Superior and Western Lake Superior. .DAY ONE...Today and Tonight High-impact marine weather persists into tonight as an unusually strong low pressure moves into Quebec. Gales are expected with a moderate to high (60-90%) probability of storms out of the north to northwest over the central/eastern lake, up to 60 knots possible. See the latest Marine Discussion, Open Lake Forecast, and Marine Weather Message for additional details. .DAYS TWO THROUGH SEVEN... A reinforcing shot of Arctic air across the lake is expected to result in northwesterly gales and heavy freezing spray at times Tuesday night to the end of next week, especially over the central and eastern lake. .SPOTTER INFORMATION STATEMENT... The need for weather spotter reports is not anticipated at this time. $$
Storm Warning
URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 416 AM EST Mon Dec 29 2025 LSZ245>251-265>267-292130- /O.CON.KMQT.SR.W.0007.000000T0000Z-251230T0300Z/ /O.CON.KMQT.UP.W.0022.000000T0000Z-251230T0300Z/ 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-Huron Islands to Marquette MI- Marquette to Munising MI-Munising to Grand Marais MI- Grand Marais to Whitefish Point MI- 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- Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border- 416 AM EST Mon Dec 29 2025 ...STORM WARNING REMAINS IN EFFECT UNTIL 10 PM EST THIS EVENING... ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 10 PM EST THIS EVENING... * WHAT...For the Storm Warning, north winds 35 to 45 kt with gusts up to 60 kt and waves 21 to 26 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. * WHERE...Portions of Central and Eastern Lake Superior. * WHEN...Until 10 PM EST this evening. * 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. && $$