Watches, Warnings & Advisories
3 products found for Marine Zone: LSZ140
Heavy Freezing Spray Warning
URGENT - MARINE WEATHER MESSAGE National Weather Service Duluth MN 831 PM CST Sat Dec 27 2025 LSZ140-281445- /O.CON.KDLH.SR.W.0005.251229T0000Z-251230T0300Z/ /O.CON.KDLH.UP.W.0011.251229T0300Z-251230T0300Z/ Grand Portage to Grand Marais MN- 831 PM CST Sat Dec 27 2025 ...STORM WARNING REMAINS IN EFFECT FROM 6 PM SUNDAY TO 9 PM CST MONDAY... ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT FROM 9 PM SUNDAY TO 9 PM CST MONDAY... * WHAT...For the Storm Warning, north winds 20 to 30 kt with gusts up to 50 kt and waves 3 to 6 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...Grand Portage to Grand Marais MN. * WHEN...For the Storm Warning, from 6 PM Sunday to 9 PM CST Monday. For the Heavy Freezing Spray Warning, from 9 PM Sunday to 9 PM CST Monday. * 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. && $$
Storm Warning
URGENT - MARINE WEATHER MESSAGE National Weather Service Duluth MN 831 PM CST Sat Dec 27 2025 LSZ140-281445- /O.CON.KDLH.SR.W.0005.251229T0000Z-251230T0300Z/ /O.CON.KDLH.UP.W.0011.251229T0300Z-251230T0300Z/ Grand Portage to Grand Marais MN- 831 PM CST Sat Dec 27 2025 ...STORM WARNING REMAINS IN EFFECT FROM 6 PM SUNDAY TO 9 PM CST MONDAY... ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT FROM 9 PM SUNDAY TO 9 PM CST MONDAY... * WHAT...For the Storm Warning, north winds 20 to 30 kt with gusts up to 50 kt and waves 3 to 6 ft expected. For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater expected, and may rapidly accumulate on vessels. * WHERE...Grand Portage to Grand Marais MN. * WHEN...For the Storm Warning, from 6 PM Sunday to 9 PM CST Monday. For the Heavy Freezing Spray Warning, from 9 PM Sunday to 9 PM CST Monday. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Storm force winds and hazardous waves will capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should prepare for dangerous accumulation of ice on their vessel. If possible, remain in port, avoid the warning area or conduct mitigation. Mariners should remain in port, alter course, and/or secure the vessel for severe conditions. && $$
Hazardous Weather Outlook
Hazardous Weather Outlook National Weather Service Duluth MN 351 PM CST Sat Dec 27 2025 LSZ121-140>148-150-282200- Bayfield to Oak Point WI-Grand Portage to Grand Marais MN- Grand Marais to Taconite Harbor MN- Taconite Harbor to Silver Bay Harbor MN- Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN- Duluth MN to Port Wing WI-Port Wing to Sand Island WI- Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI- Outer Apostle Islands Beyond 5 NM from Mainland- 351 PM CST Sat Dec 27 2025 This Hazardous Weather Outlook is for portions of Lake Superior and the Nearshore waters of western Lake Superior. .DAY ONE...This afternoon and Tonight No hazardous weather at this time. .DAYS TWO THROUGH SEVEN...Sunday through Friday Strong northwest winds will ramp up Sunday evening with widespread gales of 35 to 45 knots expected. Along the North Shore from Grand Marais to Grand Portage, a Storm Warning is in effect for gusts up to 50 knots. These winds will produce large, hazardous waves up to 12 feet in the Apostle Islands. A Heavy Freezing Spray Warning is in effect as the arriving Arctic air causes rapid ice accumulation on vessels Sunday night through Monday. $$ LR More information may be obtained at the following web address: http://www.weather.gov/duluth