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Home Return to list Small Craft Advisory 0037 Issued by the Duluth Forecast Office
Action: New Issued At: 2026-03-21 09:13:14 929 WHUS73 KDLH 211412 MWWDLH URGENT - MARINE WEATHER MESSAGE National Weather Service Duluth MN 912 AM CDT Sat Mar 21 2026 LSZ143>146-212100- /O.NEW.KDLH.SC.Y.0037.260321T1412Z-260321T2100Z/ Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN- Duluth MN to Port Wing WI-Port Wing to Sand Island WI- 912 AM CDT Sat Mar 21 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... * WHAT...Northeast winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft. * WHERE...Silver Bay Harbor to Two Harbors MN, Two Harbors to Duluth MN, Duluth MN to Port Wing WI and Port Wing to Sand Island WI. * WHEN...Until 4 PM CDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone operating a smaller vessel should avoid navigating in hazardous conditions. && $$ LSZ140>142-147-148-150-220215- /O.NEW.KDLH.SC.Y.0037.260321T1412Z-260322T1300Z/ Grand Portage to Grand Marais MN- Grand Marais to Taconite Harbor MN- Taconite Harbor to Silver Bay Harbor MN- Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI- Outer Apostle Islands Beyond 5 NM from Mainland- 912 AM CDT Sat Mar 21 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM CDT SUNDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft. * WHERE...Portions of Lake Superior. * WHEN...Until 8 AM CDT Sunday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone operating a smaller vessel should avoid navigating in hazardous conditions. && $$ Action: New Issued At: 2026-03-21 09:13:14 929 WHUS73 KDLH 211412 MWWDLH URGENT - MARINE WEATHER MESSAGE National Weather Service Duluth MN 912 AM CDT Sat Mar 21 2026 LSZ143>146-212100- /O.NEW.KDLH.SC.Y.0037.260321T1412Z-260321T2100Z/ Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN- Duluth MN to Port Wing WI-Port Wing to Sand Island WI- 912 AM CDT Sat Mar 21 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... * WHAT...Northeast winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft. * WHERE...Silver Bay Harbor to Two Harbors MN, Two Harbors to Duluth MN, Duluth MN to Port Wing WI and Port Wing to Sand Island WI. * WHEN...Until 4 PM CDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone operating a smaller vessel should avoid navigating in hazardous conditions. && $$ LSZ140>142-147-148-150-220215- /O.NEW.KDLH.SC.Y.0037.260321T1412Z-260322T1300Z/ Grand Portage to Grand Marais MN- Grand Marais to Taconite Harbor MN- Taconite Harbor to Silver Bay Harbor MN- Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI- Outer Apostle Islands Beyond 5 NM from Mainland- 912 AM CDT Sat Mar 21 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM CDT SUNDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft. * WHERE...Portions of Lake Superior. * WHEN...Until 8 AM CDT Sunday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone operating a smaller vessel should avoid navigating in hazardous conditions. && $$ Action: Expired Issued At: 2026-03-21 15:40:57 515 WHUS73 KDLH 212040 MWWDLH URGENT - MARINE WEATHER MESSAGE National Weather Service Duluth MN 340 PM CDT Sat Mar 21 2026 LSZ143>146-212145- /O.EXP.KDLH.SC.Y.0037.000000T0000Z-260321T2100Z/ Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN- Duluth MN to Port Wing WI-Port Wing to Sand Island WI- 340 PM CDT Sat Mar 21 2026 ...SMALL CRAFT ADVISORY WILL EXPIRE AT 4 PM CDT THIS AFTERNOON... $$ LSZ140>142-147-148-150-220845- /O.CON.KDLH.SC.Y.0037.000000T0000Z-260322T1300Z/ Grand Portage to Grand Marais MN- Grand Marais to Taconite Harbor MN- Taconite Harbor to Silver Bay Harbor MN- Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI- Outer Apostle Islands Beyond 5 NM from Mainland- 340 PM CDT Sat Mar 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT SUNDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft. * WHERE...Portions of Lake Superior. * WHEN...Until 8 AM CDT Sunday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone operating a smaller vessel should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-03-21 15:40:57 515 WHUS73 KDLH 212040 MWWDLH URGENT - MARINE WEATHER MESSAGE National Weather Service Duluth MN 340 PM CDT Sat Mar 21 2026 LSZ143>146-212145- /O.EXP.KDLH.SC.Y.0037.000000T0000Z-260321T2100Z/ Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN- Duluth MN to Port Wing WI-Port Wing to Sand Island WI- 340 PM CDT Sat Mar 21 2026 ...SMALL CRAFT ADVISORY WILL EXPIRE AT 4 PM CDT THIS AFTERNOON... $$ LSZ140>142-147-148-150-220845- /O.CON.KDLH.SC.Y.0037.000000T0000Z-260322T1300Z/ Grand Portage to Grand Marais MN- Grand Marais to Taconite Harbor MN- Taconite Harbor to Silver Bay Harbor MN- Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI- Outer Apostle Islands Beyond 5 NM from Mainland- 340 PM CDT Sat Mar 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT SUNDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft. * WHERE...Portions of Lake Superior. * WHEN...Until 8 AM CDT Sunday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone operating a smaller vessel should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-03-21 21:33:09 472 WHUS73 KDLH 220232 MWWDLH URGENT - MARINE WEATHER MESSAGE National Weather Service Duluth MN 932 PM CDT Sat Mar 21 2026 LSZ140>142-147-148-150-221300- /O.CON.KDLH.SC.Y.0037.000000T0000Z-260322T1300Z/ Grand Portage to Grand Marais MN- Grand Marais to Taconite Harbor MN- Taconite Harbor to Silver Bay Harbor MN- Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI- Outer Apostle Islands Beyond 5 NM from Mainland- 932 PM CDT Sat Mar 21 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT SUNDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft. * WHERE...Portions of Lake Superior. * WHEN...Until 8 AM CDT Sunday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone operating a smaller vessel should avoid navigating in hazardous conditions. && $$ Action: Time Extended Issued At: 2026-03-22 02:53:17 611 WHUS73 KDLH 220752 MWWDLH URGENT - MARINE WEATHER MESSAGE National Weather Service Duluth MN 252 AM CDT Sun Mar 22 2026 LSZ147-148-150-222000- /O.EXT.KDLH.SC.Y.0037.000000T0000Z-260323T0000Z/ Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI- Outer Apostle Islands Beyond 5 NM from Mainland- 252 AM CDT Sun Mar 22 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...Northeast winds 10 to 20 kt with gusts up to 25 kt and waves 4 to 7 ft. * WHERE...Sand Island to Bayfield WI, Oak Point to Saxon Harbor WI and Outer Apostle Islands Beyond 5 NM from Mainland. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone operating a smaller vessel should avoid navigating in hazardous conditions. && $$ LSZ140>142-221300- /O.CON.KDLH.SC.Y.0037.000000T0000Z-260322T1300Z/ Grand Portage to Grand Marais MN- Grand Marais to Taconite Harbor MN- Taconite Harbor to Silver Bay Harbor MN- 252 AM CDT Sun Mar 22 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING... * WHAT...North 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 8 AM CDT this morning. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone operating a smaller vessel should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-03-22 02:53:17 611 WHUS73 KDLH 220752 MWWDLH URGENT - MARINE WEATHER MESSAGE National Weather Service Duluth MN 252 AM CDT Sun Mar 22 2026 LSZ147-148-150-222000- /O.EXT.KDLH.SC.Y.0037.000000T0000Z-260323T0000Z/ Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI- Outer Apostle Islands Beyond 5 NM from Mainland- 252 AM CDT Sun Mar 22 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...Northeast winds 10 to 20 kt with gusts up to 25 kt and waves 4 to 7 ft. * WHERE...Sand Island to Bayfield WI, Oak Point to Saxon Harbor WI and Outer Apostle Islands Beyond 5 NM from Mainland. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone operating a smaller vessel should avoid navigating in hazardous conditions. && $$ LSZ140>142-221300- /O.CON.KDLH.SC.Y.0037.000000T0000Z-260322T1300Z/ Grand Portage to Grand Marais MN- Grand Marais to Taconite Harbor MN- Taconite Harbor to Silver Bay Harbor MN- 252 AM CDT Sun Mar 22 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING... * WHAT...North 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 8 AM CDT this morning. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone operating a smaller vessel should avoid navigating in hazardous conditions. && $$ Action: Expired Issued At: 2026-03-22 08:02:12 038 WHUS73 KDLH 221301 MWWDLH URGENT - MARINE WEATHER MESSAGE National Weather Service Duluth MN 801 AM CDT Sun Mar 22 2026 LSZ140>142-221415- /O.EXP.KDLH.SC.Y.0037.000000T0000Z-260322T1300Z/ Grand Portage to Grand Marais MN- Grand Marais to Taconite Harbor MN- Taconite Harbor to Silver Bay Harbor MN- 801 AM CDT Sun Mar 22 2026 ...SMALL CRAFT ADVISORY HAS EXPIRED... Mariners should pay close attention to the marine forecast, and consider wind and sea conditions in planning. $$ LSZ147-148-150-230000- /O.CON.KDLH.SC.Y.0037.000000T0000Z-260323T0000Z/ Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI- Outer Apostle Islands Beyond 5 NM from Mainland- 801 AM CDT Sun Mar 22 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...Northeast winds 10 to 20 kt with gusts up to 25 kt and waves 4 to 7 ft. * WHERE...Sand Island to Bayfield WI, Oak Point to Saxon Harbor WI and Outer Apostle Islands Beyond 5 NM from Mainland. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone operating a smaller vessel should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-03-22 08:02:12 038 WHUS73 KDLH 221301 MWWDLH URGENT - MARINE WEATHER MESSAGE National Weather Service Duluth MN 801 AM CDT Sun Mar 22 2026 LSZ140>142-221415- /O.EXP.KDLH.SC.Y.0037.000000T0000Z-260322T1300Z/ Grand Portage to Grand Marais MN- Grand Marais to Taconite Harbor MN- Taconite Harbor to Silver Bay Harbor MN- 801 AM CDT Sun Mar 22 2026 ...SMALL CRAFT ADVISORY HAS EXPIRED... Mariners should pay close attention to the marine forecast, and consider wind and sea conditions in planning. $$ LSZ147-148-150-230000- /O.CON.KDLH.SC.Y.0037.000000T0000Z-260323T0000Z/ Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI- Outer Apostle Islands Beyond 5 NM from Mainland- 801 AM CDT Sun Mar 22 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...Northeast winds 10 to 20 kt with gusts up to 25 kt and waves 4 to 7 ft. * WHERE...Sand Island to Bayfield WI, Oak Point to Saxon Harbor WI and Outer Apostle Islands Beyond 5 NM from Mainland. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone operating a smaller vessel should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-03-22 09:54:16 666 WHUS73 KDLH 221453 MWWDLH URGENT - MARINE WEATHER MESSAGE National Weather Service Duluth MN 953 AM CDT Sun Mar 22 2026 LSZ147-148-150-230000- /O.CON.KDLH.SC.Y.0037.000000T0000Z-260323T0000Z/ Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI- Outer Apostle Islands Beyond 5 NM from Mainland- 953 AM CDT Sun Mar 22 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...Northeast winds 10 to 15 kt with gusts up to 20 kt and waves 3 to 6 ft. * WHERE...Sand Island to Bayfield WI, Oak Point to Saxon Harbor WI and Outer Apostle Islands Beyond 5 NM from Mainland. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone operating a smaller vessel should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-03-22 15:20:26 936 WHUS73 KDLH 222019 MWWDLH URGENT - MARINE WEATHER MESSAGE National Weather Service Duluth MN 319 PM CDT Sun Mar 22 2026 LSZ147-148-150-230000- /O.CON.KDLH.SC.Y.0037.000000T0000Z-260323T0000Z/ Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI- Outer Apostle Islands Beyond 5 NM from Mainland- 319 PM CDT Sun Mar 22 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...Waves 3 to 5 ft. * WHERE...Sand Island to Bayfield WI, Oak Point to Saxon Harbor WI and Outer Apostle Islands Beyond 5 NM from Mainland. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone operating a smaller vessel should avoid navigating in hazardous conditions. && $$ Action: Expired Issued At: 2026-03-22 19:27:33 443 WHUS73 KDLH 230026 MWWDLH URGENT - MARINE WEATHER MESSAGE National Weather Service Duluth MN 726 PM CDT Sun Mar 22 2026 LSZ147-148-150-230130- /O.EXP.KDLH.SC.Y.0037.000000T0000Z-260323T0000Z/ Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI- Outer Apostle Islands Beyond 5 NM from Mainland- 726 PM CDT Sun Mar 22 2026 ...SMALL CRAFT ADVISORY HAS EXPIRED... $$ | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||