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Home Return to list Small Craft Advisory 0149 Issued by the Duluth Forecast Office
Action: New Issued At: 2025-12-22 14:38:53 705 WHUS73 KDLH 222038 MWWDLH URGENT - MARINE WEATHER MESSAGE National Weather Service Duluth MN 238 PM CST Mon Dec 22 2025 LSZ121-140>148-150-230845- /O.NEW.KDLH.SC.Y.0149.251223T1200Z-251223T2200Z/ Chequamegon Bay-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- 238 PM CST Mon Dec 22 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM TO 4 PM CST TUESDAY... * WHAT...West winds 10 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Portions of Lake Superior. * WHEN...From 6 AM to 4 PM CST Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone operating a smaller vessel should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2025-12-22 19:41:31 565 WHUS73 KDLH 230140 MWWDLH URGENT - MARINE WEATHER MESSAGE National Weather Service Duluth MN 740 PM CST Mon Dec 22 2025 LSZ140>142-231200- /O.EXT.KDLH.SC.Y.0149.251223T1200Z-251223T1500Z/ /O.NEW.KDLH.GL.A.0024.251223T1500Z-251223T2000Z/ Grand Portage to Grand Marais MN- Grand Marais to Taconite Harbor MN- Taconite Harbor to Silver Bay Harbor MN- 740 PM CST Mon Dec 22 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 6 AM TO 9 AM CST TUESDAY... ...GALE WATCH IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY AFTERNOON... * WHAT...For the Small Craft Advisory, west winds 10 to 15 kt with gusts up to 30 kt and waves 1 to 2 ft expected. For the Gale Watch, west winds 10 to 15 kt with gusts up to 35 kt and waves 1 to 2 ft possible. * WHERE...Grand Portage to Grand Marais MN, Grand Marais to Taconite Harbor MN and Taconite Harbor to Silver Bay Harbor MN. * WHEN...For the Small Craft Advisory, from 6 AM to 9 AM CST Tuesday. For the Gale Watch, from Tuesday morning through Tuesday afternoon. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility. * ADDITIONAL DETAILS...Increasing winds behind a departing cold front combined with enhancement from downslope winds could lead to gale-force wind gusts along portions of the North Shore Tuesday morning into early Tuesday afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and waves. && $$ LSZ121-143>148-150-231200- /O.CON.KDLH.SC.Y.0149.251223T1200Z-251223T2200Z/ Chequamegon Bay-Bayfield to Oak Point WI- 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- 740 PM CST Mon Dec 22 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 AM TO 4 PM CST TUESDAY... * WHAT...West winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft expected, with the highest waves in the Outer Apostle Islands. * WHERE...Portions of Lake Superior. * WHEN...From 6 AM to 4 PM CST Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone operating a smaller vessel should avoid navigating in hazardous conditions. && $$ Action: Time Extended Issued At: 2025-12-22 19:41:31 565 WHUS73 KDLH 230140 MWWDLH URGENT - MARINE WEATHER MESSAGE National Weather Service Duluth MN 740 PM CST Mon Dec 22 2025 LSZ140>142-231200- /O.EXT.KDLH.SC.Y.0149.251223T1200Z-251223T1500Z/ /O.NEW.KDLH.GL.A.0024.251223T1500Z-251223T2000Z/ Grand Portage to Grand Marais MN- Grand Marais to Taconite Harbor MN- Taconite Harbor to Silver Bay Harbor MN- 740 PM CST Mon Dec 22 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 6 AM TO 9 AM CST TUESDAY... ...GALE WATCH IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY AFTERNOON... * WHAT...For the Small Craft Advisory, west winds 10 to 15 kt with gusts up to 30 kt and waves 1 to 2 ft expected. For the Gale Watch, west winds 10 to 15 kt with gusts up to 35 kt and waves 1 to 2 ft possible. * WHERE...Grand Portage to Grand Marais MN, Grand Marais to Taconite Harbor MN and Taconite Harbor to Silver Bay Harbor MN. * WHEN...For the Small Craft Advisory, from 6 AM to 9 AM CST Tuesday. For the Gale Watch, from Tuesday morning through Tuesday afternoon. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility. * ADDITIONAL DETAILS...Increasing winds behind a departing cold front combined with enhancement from downslope winds could lead to gale-force wind gusts along portions of the North Shore Tuesday morning into early Tuesday afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and waves. && $$ LSZ121-143>148-150-231200- /O.CON.KDLH.SC.Y.0149.251223T1200Z-251223T2200Z/ Chequamegon Bay-Bayfield to Oak Point WI- 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- 740 PM CST Mon Dec 22 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 AM TO 4 PM CST TUESDAY... * WHAT...West winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft expected, with the highest waves in the Outer Apostle Islands. * WHERE...Portions of Lake Superior. * WHEN...From 6 AM to 4 PM CST Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone operating a smaller vessel should avoid navigating in hazardous conditions. && $$ Action: Time Extended Issued At: 2025-12-23 02:38:40 974 WHUS73 KDLH 230838 MWWDLH URGENT - MARINE WEATHER MESSAGE National Weather Service Duluth MN 238 AM CST Tue Dec 23 2025 LSZ140>142-232045- /O.EXT.KDLH.SC.Y.0149.251223T1200Z-251224T0000Z/ /O.CAN.KDLH.GL.A.0024.251223T1500Z-251223T2000Z/ Grand Portage to Grand Marais MN- Grand Marais to Taconite Harbor MN- Taconite Harbor to Silver Bay Harbor MN- 238 AM CST Tue Dec 23 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 6 AM THIS MORNING TO 6 PM CST THIS EVENING... ...GALE WATCH IS CANCELLED... * WHAT...West winds 10 to 20 kt with gusts up to 30 kt and waves up to 3 ft expected. * WHERE...Grand Portage to Grand Marais MN, Grand Marais to Taconite Harbor MN and Taconite Harbor to Silver Bay Harbor MN. * WHEN...From 6 AM this morning to 6 PM CST this evening. * IMPACTS...Conditions will be hazardous to small craft. * ADDITIONAL DETAILS...Increasing winds behind a departing cold front combined with enhancement from downslope winds could lead to gale-force wind gusts along portions of the North Shore Tuesday morning into early Tuesday afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone operating a smaller vessel should avoid navigating in hazardous conditions. && $$ LSZ121-143>148-150-232045- /O.CON.KDLH.SC.Y.0149.251223T1200Z-251223T2200Z/ Chequamegon Bay-Bayfield to Oak Point WI- 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- 238 AM CST Tue Dec 23 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 AM THIS MORNING TO 4 PM CST THIS AFTERNOON... * WHAT...West winds 10 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Portions of Lake Superior. * WHEN...From 6 AM this morning to 4 PM CST this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone operating a smaller vessel should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2025-12-23 02:38:40 974 WHUS73 KDLH 230838 MWWDLH URGENT - MARINE WEATHER MESSAGE National Weather Service Duluth MN 238 AM CST Tue Dec 23 2025 LSZ140>142-232045- /O.EXT.KDLH.SC.Y.0149.251223T1200Z-251224T0000Z/ /O.CAN.KDLH.GL.A.0024.251223T1500Z-251223T2000Z/ Grand Portage to Grand Marais MN- Grand Marais to Taconite Harbor MN- Taconite Harbor to Silver Bay Harbor MN- 238 AM CST Tue Dec 23 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 6 AM THIS MORNING TO 6 PM CST THIS EVENING... ...GALE WATCH IS CANCELLED... * WHAT...West winds 10 to 20 kt with gusts up to 30 kt and waves up to 3 ft expected. * WHERE...Grand Portage to Grand Marais MN, Grand Marais to Taconite Harbor MN and Taconite Harbor to Silver Bay Harbor MN. * WHEN...From 6 AM this morning to 6 PM CST this evening. * IMPACTS...Conditions will be hazardous to small craft. * ADDITIONAL DETAILS...Increasing winds behind a departing cold front combined with enhancement from downslope winds could lead to gale-force wind gusts along portions of the North Shore Tuesday morning into early Tuesday afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone operating a smaller vessel should avoid navigating in hazardous conditions. && $$ LSZ121-143>148-150-232045- /O.CON.KDLH.SC.Y.0149.251223T1200Z-251223T2200Z/ Chequamegon Bay-Bayfield to Oak Point WI- 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- 238 AM CST Tue Dec 23 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 AM THIS MORNING TO 4 PM CST THIS AFTERNOON... * WHAT...West winds 10 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Portions of Lake Superior. * WHEN...From 6 AM this morning to 4 PM CST this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone operating a smaller vessel should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2025-12-23 11:12:47 371 WHUS73 KDLH 231712 MWWDLH URGENT - MARINE WEATHER MESSAGE National Weather Service Duluth MN 1112 AM CST Tue Dec 23 2025 LSZ121-143>148-150-232200- /O.CON.KDLH.SC.Y.0149.000000T0000Z-251223T2200Z/ Chequamegon Bay-Bayfield to Oak Point WI- Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN- Duluth MN to Port Wing WI-Port Wing to Sand Island WI- Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI- Outer Apostle Islands Beyond 5 NM from Mainland- 1112 AM CST Tue Dec 23 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM CST THIS AFTERNOON... * WHAT...West winds 10 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Portions of Lake Superior. * WHEN...From 6 AM this morning to 4 PM CST this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone operating a smaller vessel should avoid navigating in hazardous conditions. && $$ LSZ140>142-240000- /O.CON.KDLH.SC.Y.0149.000000T0000Z-251224T0000Z/ Grand Portage to Grand Marais MN- Grand Marais to Taconite Harbor MN- Taconite Harbor to Silver Bay Harbor MN- 1112 AM CST Tue Dec 23 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... * WHAT...West winds 10 to 20 kt with gusts up to 30 kt and waves up to 3 ft expected. * WHERE...Grand Portage to Grand Marais MN, Grand Marais to Taconite Harbor MN and Taconite Harbor to Silver Bay Harbor MN. * WHEN...From 6 AM this morning to 6 PM CST this evening. * IMPACTS...Conditions will be hazardous to small craft. * ADDITIONAL DETAILS...Increasing winds behind a departing cold front combined with enhancement from downslope winds could lead to gale-force wind gusts along portions of the North Shore through early Tuesday afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone operating a smaller vessel should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2025-12-23 11:12:47 371 WHUS73 KDLH 231712 MWWDLH URGENT - MARINE WEATHER MESSAGE National Weather Service Duluth MN 1112 AM CST Tue Dec 23 2025 LSZ121-143>148-150-232200- /O.CON.KDLH.SC.Y.0149.000000T0000Z-251223T2200Z/ Chequamegon Bay-Bayfield to Oak Point WI- Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN- Duluth MN to Port Wing WI-Port Wing to Sand Island WI- Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI- Outer Apostle Islands Beyond 5 NM from Mainland- 1112 AM CST Tue Dec 23 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM CST THIS AFTERNOON... * WHAT...West winds 10 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Portions of Lake Superior. * WHEN...From 6 AM this morning to 4 PM CST this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone operating a smaller vessel should avoid navigating in hazardous conditions. && $$ LSZ140>142-240000- /O.CON.KDLH.SC.Y.0149.000000T0000Z-251224T0000Z/ Grand Portage to Grand Marais MN- Grand Marais to Taconite Harbor MN- Taconite Harbor to Silver Bay Harbor MN- 1112 AM CST Tue Dec 23 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... * WHAT...West winds 10 to 20 kt with gusts up to 30 kt and waves up to 3 ft expected. * WHERE...Grand Portage to Grand Marais MN, Grand Marais to Taconite Harbor MN and Taconite Harbor to Silver Bay Harbor MN. * WHEN...From 6 AM this morning to 6 PM CST this evening. * IMPACTS...Conditions will be hazardous to small craft. * ADDITIONAL DETAILS...Increasing winds behind a departing cold front combined with enhancement from downslope winds could lead to gale-force wind gusts along portions of the North Shore through early Tuesday afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone operating a smaller vessel should avoid navigating in hazardous conditions. && $$ Action: Expired Issued At: 2025-12-23 16:02:24 012 WHUS73 KDLH 232201 MWWDLH URGENT - MARINE WEATHER MESSAGE National Weather Service Duluth MN 401 PM CST Tue Dec 23 2025 LSZ121-143>148-150-232315- /O.EXP.KDLH.SC.Y.0149.000000T0000Z-251223T2200Z/ Chequamegon Bay-Bayfield to Oak Point WI- Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN- Duluth MN to Port Wing WI-Port Wing to Sand Island WI- Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI- Outer Apostle Islands Beyond 5 NM from Mainland- 401 PM CST Tue Dec 23 2025 ...SMALL CRAFT ADVISORY HAS EXPIRED... Winds and waves are decreasing and no longer are expected to pose a threat to smaller vessels. $$ LSZ140>142-240000- /O.CON.KDLH.SC.Y.0149.000000T0000Z-251224T0000Z/ Grand Portage to Grand Marais MN- Grand Marais to Taconite Harbor MN- Taconite Harbor to Silver Bay Harbor MN- 401 PM CST Tue Dec 23 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... * WHAT...Northwest winds 10 to 15 kt with gusts up to 25 kt and waves 1 to 2 ft. * WHERE...Grand Portage to Grand Marais MN, Grand Marais to Taconite Harbor MN and Taconite Harbor to Silver Bay Harbor MN. * WHEN...Until 6 PM CST this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone operating a smaller vessel should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2025-12-23 16:02:24 012 WHUS73 KDLH 232201 MWWDLH URGENT - MARINE WEATHER MESSAGE National Weather Service Duluth MN 401 PM CST Tue Dec 23 2025 LSZ121-143>148-150-232315- /O.EXP.KDLH.SC.Y.0149.000000T0000Z-251223T2200Z/ Chequamegon Bay-Bayfield to Oak Point WI- Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN- Duluth MN to Port Wing WI-Port Wing to Sand Island WI- Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI- Outer Apostle Islands Beyond 5 NM from Mainland- 401 PM CST Tue Dec 23 2025 ...SMALL CRAFT ADVISORY HAS EXPIRED... Winds and waves are decreasing and no longer are expected to pose a threat to smaller vessels. $$ LSZ140>142-240000- /O.CON.KDLH.SC.Y.0149.000000T0000Z-251224T0000Z/ Grand Portage to Grand Marais MN- Grand Marais to Taconite Harbor MN- Taconite Harbor to Silver Bay Harbor MN- 401 PM CST Tue Dec 23 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... * WHAT...Northwest winds 10 to 15 kt with gusts up to 25 kt and waves 1 to 2 ft. * WHERE...Grand Portage to Grand Marais MN, Grand Marais to Taconite Harbor MN and Taconite Harbor to Silver Bay Harbor MN. * WHEN...Until 6 PM CST this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone operating a smaller vessel should avoid navigating in hazardous conditions. && $$ Action: Expired Issued At: 2025-12-23 18:15:27 639 WHUS73 KDLH 240015 MWWDLH URGENT - MARINE WEATHER MESSAGE National Weather Service Duluth MN 615 PM CST Tue Dec 23 2025 LSZ140>142-240115- /O.EXP.KDLH.SC.Y.0149.000000T0000Z-251224T0000Z/ Grand Portage to Grand Marais MN- Grand Marais to Taconite Harbor MN- Taconite Harbor to Silver Bay Harbor MN- 615 PM CST Tue Dec 23 2025 ...SMALL CRAFT ADVISORY HAS EXPIRED... Winds and waves are decreasing and no longer are expected to pose a threat to smaller vessels. $$ | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||