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Home Return to list Small Craft Advisory 0144 Issued by the Duluth Forecast Office
Action: New Issued At: 2025-12-17 03:47:34 219 WHUS73 KDLH 170947 MWWDLH URGENT - MARINE WEATHER MESSAGE National Weather Service Duluth MN 347 AM CST Wed Dec 17 2025 LSZ150-172200- /O.CAN.KDLH.GL.W.0040.000000T0000Z-251217T1000Z/ /O.NEW.KDLH.SC.Y.0144.251217T2200Z-251218T0200Z/ /O.NEW.KDLH.GL.W.0041.251218T0200Z-251218T1000Z/ /O.UPG.KDLH.GL.A.0022.251218T1800Z-251219T0600Z/ /O.NEW.KDLH.GL.W.0042.251218T2000Z-251219T0400Z/ Outer Apostle Islands Beyond 5 NM from Mainland- 347 AM CST Wed Dec 17 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 8 PM CST THIS EVENING... ...GALE WARNING IN EFFECT FROM 8 PM THIS EVENING TO 4 AM CST THURSDAY... ...GALE WARNING IN EFFECT FROM 2 PM TO 10 PM CST THURSDAY... * WHAT...For the Small Craft Advisory, south winds 15 to 20 kt with gusts up to 30 kt and waves 1 to 3 ft expected. For the first Gale Warning, south winds 15 to 25 kt with gusts up to 35 kt and waves 2 to 5 ft expected. For the second Gale Warning, north winds 20 to 25 kt with gusts up to 35 kt and waves 6 to 9 ft expected. * WHERE...Outer Apostle Islands Beyond 5 NM from Mainland. * WHEN...For the Small Craft Advisory, from 4 PM this afternoon to 8 PM CST this evening. For the first Gale Warning, from 8 PM this evening to 4 AM CST Thursday. For the second Gale Warning, from 2 PM to 10 PM CST Thursday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. * ADDITIONAL DETAILS...Conditions will be hazardous to smaller vessels between the times of the Gale Warnings. 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. && $$ LSZ143-144-172200- /O.CAN.KDLH.GL.W.0040.000000T0000Z-251217T1000Z/ /O.UPG.KDLH.GL.A.0022.251218T1800Z-251219T0600Z/ /O.NEW.KDLH.GL.W.0042.251218T2000Z-251219T1000Z/ /O.NEW.KDLH.SC.Y.0144.251217T2200Z-251218T2000Z/ Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN- 347 AM CST Wed Dec 17 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 2 PM CST THURSDAY... ...GALE WARNING IN EFFECT FROM 2 PM THURSDAY TO 4 AM CST FRIDAY... * WHAT...For the Small Craft Advisory, southwest winds 15 to 25 kt with gusts up to 30 kt and waves 2 to 5 ft expected. For the Gale Warning, north winds 20 to 30 kt with gusts up to 35 kt and waves 1 to 4 ft expected. * WHERE...Silver Bay Harbor to Two Harbors MN and Two Harbors to Duluth MN. * WHEN...For the Small Craft Advisory, from 4 PM this afternoon to 2 PM CST Thursday. For the Gale Warning, from 2 PM Thursday to 4 AM CST Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. * ADDITIONAL DETAILS...There is a 30% chance of occasional storm- force gusts to 50 knots Thursday evening over the waters of the North Shore. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ145>147-172200- /O.CAN.KDLH.GL.W.0040.000000T0000Z-251217T1000Z/ /O.UPG.KDLH.GL.A.0022.251218T1800Z-251219T0600Z/ /O.NEW.KDLH.GL.W.0042.251218T2000Z-251219T0400Z/ /O.NEW.KDLH.SC.Y.0144.251217T2200Z-251218T2000Z/ Duluth MN to Port Wing WI-Port Wing to Sand Island WI- Sand Island to Bayfield WI- 347 AM CST Wed Dec 17 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 2 PM CST THURSDAY... ...GALE WARNING IN EFFECT FROM 2 PM TO 10 PM CST THURSDAY... * WHAT...For the Small Craft Advisory, southwest winds 15 to 25 kt with gusts up to 35 kt and waves 1 to 4 ft expected. For the Gale Warning, northwest winds 20 to 30 kt with gusts up to 35 kt and waves 5 to 8 ft expected. * WHERE...Duluth MN to Port Wing WI, Port Wing to Sand Island WI and Sand Island to Bayfield WI. * WHEN...For the Small Craft Advisory, from 4 PM this afternoon to 2 PM CST Thursday. For the Gale Warning, from 2 PM to 10 PM 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. && $$ LSZ140-141-172200- /O.CAN.KDLH.GL.W.0040.000000T0000Z-251217T1200Z/ /O.UPG.KDLH.GL.A.0022.251218T1800Z-251219T0600Z/ /O.NEW.KDLH.GL.W.0042.251218T2000Z-251219T1000Z/ /O.NEW.KDLH.SC.Y.0144.251218T0200Z-251218T2000Z/ Grand Portage to Grand Marais MN- Grand Marais to Taconite Harbor MN- 347 AM CST Wed Dec 17 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 2 PM CST THURSDAY... ...GALE WARNING IN EFFECT FROM 2 PM THURSDAY TO 4 AM CST FRIDAY... * WHAT...For the Small Craft Advisory, southwest winds 10 to 20 kt with gusts up to 30 kt and waves 4 to 7 ft expected. For the Gale Warning, north winds 20 to 30 kt with gusts up to 45 kt and waves 2 to 5 ft expected. * WHERE...Grand Portage to Grand Marais MN and Grand Marais to Taconite Harbor MN. * WHEN...For the Small Craft Advisory, from 8 PM this evening to 2 PM CST Thursday. For the Gale Warning, from 2 PM Thursday to 4 AM CST Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. * ADDITIONAL DETAILS...There is a 50% chance of occasional storm- force gusts to 50 knots late Thursday afternoon into the evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ142-172200- /O.CAN.KDLH.GL.W.0040.000000T0000Z-251217T1000Z/ /O.UPG.KDLH.GL.A.0022.251218T1800Z-251219T0600Z/ /O.NEW.KDLH.GL.W.0042.251218T2000Z-251219T1000Z/ /O.NEW.KDLH.SC.Y.0144.251218T0200Z-251218T2000Z/ Taconite Harbor to Silver Bay Harbor MN- 347 AM CST Wed Dec 17 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 2 PM CST THURSDAY... ...GALE WARNING IN EFFECT FROM 2 PM THURSDAY TO 4 AM CST FRIDAY... * WHAT...For the Small Craft Advisory, southwest winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft expected. For the Gale Warning, north winds 15 to 25 kt with gusts up to 40 kt and waves 1 to 4 ft expected. * WHERE...Taconite Harbor to Silver Bay Harbor MN. * WHEN...For the Small Craft Advisory, from 8 PM this evening to 2 PM CST Thursday. For the Gale Warning, from 2 PM Thursday to 4 AM CST Friday. * 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. && $$ LSZ148-172200- /O.CAN.KDLH.SC.Y.0143.000000T0000Z-251217T1200Z/ /O.NEW.KDLH.SC.Y.0144.251217T2200Z-251218T0200Z/ /O.NEW.KDLH.GL.W.0041.251218T0200Z-251218T1000Z/ /O.UPG.KDLH.GL.A.0022.251218T1800Z-251219T0600Z/ /O.NEW.KDLH.GL.W.0042.251218T2000Z-251219T0400Z/ Oak Point to Saxon Harbor WI- 347 AM CST Wed Dec 17 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 8 PM CST THIS EVENING... ...GALE WARNING IN EFFECT FROM 8 PM THIS EVENING TO 4 AM CST THURSDAY... ...GALE WARNING IN EFFECT FROM 2 PM TO 10 PM CST THURSDAY... ...SMALL CRAFT ADVISORY IS CANCELLED... * WHAT...For the Small Craft Advisory, south winds 10 to 20 kt with gusts up to 30 kt and waves 1 to 2 ft expected. For the first Gale Warning, south winds 20 to 25 kt with gusts up to 40 kt and waves 2 to 4 ft expected. For the second Gale Warning, northwest winds 20 to 30 kt with gusts up to 35 kt and waves 5 to 8 ft expected. * WHERE...Oak Point to Saxon Harbor WI. * WHEN...For the Small Craft Advisory, from 4 PM this afternoon to 8 PM CST this evening. For the first Gale Warning, from 8 PM this evening to 4 AM CST Thursday. For the second Gale Warning, from 2 PM to 10 PM CST Thursday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. * ADDITIONAL DETAILS...Conditions will be hazardous to smaller vessels between the times of the Gale Warnings. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ121-172200- /O.CAN.KDLH.SC.Y.0143.000000T0000Z-251217T1200Z/ /O.UPG.KDLH.GL.A.0022.251218T1800Z-251219T0600Z/ /O.NEW.KDLH.SC.Y.0144.251217T2200Z-251219T1000Z/ Chequamegon Bay-Bayfield to Oak Point WI- 347 AM CST Wed Dec 17 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM CST FRIDAY... * WHAT...West winds 15 to 25 kt with gusts up to 35 kt and waves 1 to 2 ft expected. * WHERE...Chequamegon Bay-Bayfield to Oak Point WI. * WHEN...From 4 PM this afternoon to 4 AM CST Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone operating a smaller vessel should avoid navigating in hazardous conditions. && $$ Huyck Action: Continued Issued At: 2025-12-17 09:35:44 353 WHUS73 KDLH 171535 MWWDLH URGENT - MARINE WEATHER MESSAGE National Weather Service Duluth MN 935 AM CST Wed Dec 17 2025 LSZ148-150-180345- /O.CON.KDLH.SC.Y.0144.251217T2200Z-251218T0200Z/ /O.CON.KDLH.GL.W.0041.251218T0200Z-251218T1000Z/ /O.CON.KDLH.GL.W.0042.251218T2000Z-251219T0400Z/ Oak Point to Saxon Harbor WI- Outer Apostle Islands Beyond 5 NM from Mainland- 935 AM CST Wed Dec 17 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 8 PM CST THIS EVENING... ...GALE WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 4 AM CST THURSDAY... ...GALE WARNING REMAINS IN EFFECT FROM 2 PM TO 10 PM CST THURSDAY... * WHAT...For the Small Craft Advisory, south winds 10 to 20 kt with gusts up to 30 kt and waves 1 to 3 ft expected. For the first Gale Warning, south winds 15 to 25 kt with gusts up to 40 kt and waves 2 to 5 ft expected. For the second Gale Warning, north winds 20 to 30 kt with gusts up to 35 kt and waves 6 to 9 ft expected. * WHERE...Oak Point to Saxon Harbor WI and Outer Apostle Islands Beyond 5 NM from Mainland. * WHEN...For the Small Craft Advisory, from 4 PM this afternoon to 8 PM CST this evening. For the first Gale Warning, from 8 PM this evening to 4 AM CST Thursday. For the second Gale Warning, from 2 PM to 10 PM CST Thursday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. * ADDITIONAL DETAILS...Conditions will be hazardous to smaller vessels between the times of the Gale Warnings. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ143-144-180345- /O.CON.KDLH.SC.Y.0144.251217T2200Z-251218T2000Z/ /O.CON.KDLH.GL.W.0042.251218T2000Z-251219T1000Z/ Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN- 935 AM CST Wed Dec 17 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 2 PM CST THURSDAY... ...GALE WARNING REMAINS IN EFFECT FROM 2 PM THURSDAY TO 4 AM CST FRIDAY... * WHAT...For the Small Craft Advisory, southwest winds 15 to 25 kt with gusts up to 30 kt and waves 2 to 5 ft expected. For the Gale Warning, north winds 20 to 30 kt with gusts up to 35 kt and waves 1 to 4 ft expected. * WHERE...Silver Bay Harbor to Two Harbors MN and Two Harbors to Duluth MN. * WHEN...For the Small Craft Advisory, from 4 PM this afternoon to 2 PM CST Thursday. For the Gale Warning, from 2 PM Thursday to 4 AM CST Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. * ADDITIONAL DETAILS...There is a 30% chance of occasional storm- force gusts to 50 knots Thursday evening over the waters of the North Shore. 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. && $$ LSZ145>147-180345- /O.CON.KDLH.SC.Y.0144.251217T2200Z-251218T2000Z/ /O.CON.KDLH.GL.W.0042.251218T2000Z-251219T0400Z/ Duluth MN to Port Wing WI-Port Wing to Sand Island WI- Sand Island to Bayfield WI- 935 AM CST Wed Dec 17 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 2 PM CST THURSDAY... ...GALE WARNING REMAINS IN EFFECT FROM 2 PM TO 10 PM CST THURSDAY... * WHAT...For the Small Craft Advisory, southwest winds 15 to 25 kt with gusts up to 35 kt and waves 1 to 4 ft expected. For the Gale Warning, northwest winds 20 to 30 kt with gusts up to 35 kt and waves 5 to 8 ft expected. * WHERE...Duluth MN to Port Wing WI, Port Wing to Sand Island WI and Sand Island to Bayfield WI. * WHEN...For the Small Craft Advisory, from 4 PM this afternoon to 2 PM CST Thursday. For the Gale Warning, from 2 PM to 10 PM CST Thursday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ140-141-180345- /O.CON.KDLH.SC.Y.0144.251218T0200Z-251218T2000Z/ /O.CON.KDLH.GL.W.0042.251218T2000Z-251219T1000Z/ Grand Portage to Grand Marais MN- Grand Marais to Taconite Harbor MN- 935 AM CST Wed Dec 17 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 2 PM CST THURSDAY... ...GALE WARNING REMAINS IN EFFECT FROM 2 PM THURSDAY TO 4 AM CST FRIDAY... * WHAT...For the Small Craft Advisory, southwest winds 10 to 20 kt with gusts up to 30 kt and waves 4 to 7 ft expected. For the Gale Warning, north winds 20 to 30 kt with gusts up to 45 kt and waves 2 to 5 ft expected. * WHERE...Grand Portage to Grand Marais MN and Grand Marais to Taconite Harbor MN. * WHEN...For the Small Craft Advisory, from 8 PM this evening to 2 PM CST Thursday. For the Gale Warning, from 2 PM Thursday to 4 AM CST Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. * ADDITIONAL DETAILS...There is a 50% chance of occasional storm- force gusts to 50 knots late Thursday afternoon into the evening. 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. && $$ LSZ142-180345- /O.CON.KDLH.SC.Y.0144.251218T0200Z-251218T2000Z/ /O.CON.KDLH.GL.W.0042.251218T2000Z-251219T1000Z/ Taconite Harbor to Silver Bay Harbor MN- 935 AM CST Wed Dec 17 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 2 PM CST THURSDAY... ...GALE WARNING REMAINS IN EFFECT FROM 2 PM THURSDAY TO 4 AM CST FRIDAY... * WHAT...For the Small Craft Advisory, southwest winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft expected. For the Gale Warning, north winds 15 to 25 kt with gusts up to 40 kt and waves 1 to 4 ft expected. * WHERE...Taconite Harbor to Silver Bay Harbor MN. * WHEN...For the Small Craft Advisory, from 8 PM this evening to 2 PM CST Thursday. For the Gale Warning, from 2 PM Thursday to 4 AM CST Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ121-180345- /O.CON.KDLH.SC.Y.0144.251217T2200Z-251219T1000Z/ Chequamegon Bay-Bayfield to Oak Point WI- 935 AM CST Wed Dec 17 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM CST FRIDAY... * WHAT...West winds 15 to 25 kt with gusts up to 35 kt and waves 1 to 2 ft expected. * WHERE...Chequamegon Bay-Bayfield to Oak Point WI. * WHEN...From 4 PM this afternoon to 4 AM CST Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone operating a smaller vessel should avoid navigating in hazardous conditions. && $$ BJH | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||