Marine Weather Message
Issued by NWS Duluth, MN
Issued by NWS Duluth, MN
141 WHUS73 KDLH 050354 MWWDLH URGENT - MARINE WEATHER MESSAGE National Weather Service Duluth MN 954 PM CST Wed Dec 4 2024 LSZ143>147-051600- /O.CON.KDLH.GL.W.0031.000000T0000Z-241205T1600Z/ /O.CON.KDLH.UP.W.0005.000000T0000Z-241205T1600Z/ 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- 954 PM CST Wed Dec 4 2024 ...GALE WARNING REMAINS IN EFFECT UNTIL 10 AM CST THURSDAY... ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 10 AM CST THURSDAY... * WHAT...For the Gale Warning, northwest winds 20 to 30 kt with gusts up to 40 kt and waves 4 to 7 ft. For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater may rapidly accumulate on vessels. * WHERE...Silver Bay Harbor to Two Harbors MN, Two Harbors to Duluth MN, Duluth MN to Port Wing WI, Port Wing to Sand Island WI and Sand Island to Bayfield WI. * WHEN...Until 10 AM CST Thursday. * 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. Strong winds will cause hazardous waves which could 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 alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ121-148-051600- /O.CON.KDLH.GL.W.0031.000000T0000Z-241205T1600Z/ Chequamegon Bay-Bayfield to Oak Point WI- Oak Point to Saxon Harbor WI- 954 PM CST Wed Dec 4 2024 ...GALE WARNING REMAINS IN EFFECT UNTIL 10 AM CST THURSDAY... * WHAT...North winds 20 to 30 kt with gusts up to 40 kt and waves 5 to 8 ft. * WHERE...Chequamegon Bay-Bayfield to Oak Point WI and Oak Point to Saxon Harbor WI. * WHEN...Until 10 AM CST Thursday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ140>142-150-051600- /O.CON.KDLH.SR.W.0005.000000T0000Z-241205T1600Z/ /O.CON.KDLH.UP.W.0005.000000T0000Z-241205T1600Z/ Grand Portage to Grand Marais MN- Grand Marais to Taconite Harbor MN- Taconite Harbor to Silver Bay Harbor MN- Outer Apostle Islands Beyond 5 NM from Mainland- 954 PM CST Wed Dec 4 2024 ...STORM WARNING REMAINS IN EFFECT UNTIL 10 AM CST THURSDAY... ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 10 AM CST THURSDAY... * WHAT...For the Storm Warning, north winds 20 to 30 kt with gusts up to 45 kt and waves 6 to 9 ft. For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater may rapidly accumulate on vessels. * WHERE...Grand Portage to Grand Marais MN, Grand Marais to Taconite Harbor MN, Taconite Harbor to Silver Bay Harbor MN and Outer Apostle Islands Beyond 5 NM from Mainland. * WHEN...Until 10 AM CST Thursday. * 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. && $$