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Home Return to list Small Craft Advisory 0109 Issued by the Duluth Forecast Office
Action: New Issued At: 2026-09-19 13:29:52 793 WHUS73 KDLH 191829 MWWDLH URGENT - MARINE WEATHER MESSAGE National Weather Service Duluth MN 129 PM CDT Sat Sep 19 2026 LSZ140-200630- /O.NEW.KDLH.SC.Y.0109.260920T0900Z-260920T2100Z/ Grand Portage to Grand Marais MN- 129 PM CDT Sat Sep 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM TO 4 PM CDT SUNDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt and waves 1 to 3 ft expected. * WHERE...Grand Portage to Grand Marais MN. * WHEN...From 4 AM to 4 PM CDT Sunday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone operating a smaller vessel should avoid navigating in hazardous conditions. && $$ LSZ121-143>148-150-200630- /O.NEW.KDLH.SC.Y.0109.260920T1200Z-260921T0300Z/ Chequamegon Bay-Bayfield to Oak Point WI- Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN- Duluth MN to Port Wing WI-Port Wing to Sand Island WI- Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI- Outer Apostle Islands Beyond 5 NM from Mainland- 129 PM CDT Sat Sep 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM TO 10 PM CDT SUNDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6 ft expected. * WHERE...Silver Bay to Twin Ports and along the entire South Shore. * WHEN...From 7 AM to 10 PM CDT Sunday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone operating a smaller vessel should avoid navigating in hazardous conditions. && $$ Action: New Issued At: 2026-09-19 13:29:52 793 WHUS73 KDLH 191829 MWWDLH URGENT - MARINE WEATHER MESSAGE National Weather Service Duluth MN 129 PM CDT Sat Sep 19 2026 LSZ140-200630- /O.NEW.KDLH.SC.Y.0109.260920T0900Z-260920T2100Z/ Grand Portage to Grand Marais MN- 129 PM CDT Sat Sep 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM TO 4 PM CDT SUNDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt and waves 1 to 3 ft expected. * WHERE...Grand Portage to Grand Marais MN. * WHEN...From 4 AM to 4 PM CDT Sunday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone operating a smaller vessel should avoid navigating in hazardous conditions. && $$ LSZ121-143>148-150-200630- /O.NEW.KDLH.SC.Y.0109.260920T1200Z-260921T0300Z/ Chequamegon Bay-Bayfield to Oak Point WI- Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN- Duluth MN to Port Wing WI-Port Wing to Sand Island WI- Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI- Outer Apostle Islands Beyond 5 NM from Mainland- 129 PM CDT Sat Sep 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM TO 10 PM CDT SUNDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6 ft expected. * WHERE...Silver Bay to Twin Ports and along the entire South Shore. * WHEN...From 7 AM to 10 PM CDT Sunday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone operating a smaller vessel should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-09-19 21:47:09 982 WHUS73 KDLH 200246 MWWDLH URGENT - MARINE WEATHER MESSAGE National Weather Service Duluth MN 946 PM CDT Sat Sep 19 2026 LSZ140-201500- /O.CON.KDLH.SC.Y.0109.260920T0900Z-260920T2100Z/ Grand Portage to Grand Marais MN- 946 PM CDT Sat Sep 19 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 AM TO 4 PM CDT SUNDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt and waves 1 to 3 ft expected. * WHERE...Grand Portage to Grand Marais MN. * WHEN...From 4 AM to 4 PM CDT Sunday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone operating a smaller vessel should avoid navigating in hazardous conditions. && $$ LSZ121-143>148-150-201500- /O.CON.KDLH.SC.Y.0109.260920T1200Z-260921T0300Z/ Chequamegon Bay-Bayfield to Oak Point WI- Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN- Duluth MN to Port Wing WI-Port Wing to Sand Island WI- Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI- Outer Apostle Islands Beyond 5 NM from Mainland- 946 PM CDT Sat Sep 19 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM TO 10 PM CDT SUNDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6 ft expected. * WHERE...Silver Bay to Twin Ports and along the entire South Shore. * WHEN...From 7 AM to 10 PM CDT Sunday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone operating a smaller vessel should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-09-19 21:47:09 982 WHUS73 KDLH 200246 MWWDLH URGENT - MARINE WEATHER MESSAGE National Weather Service Duluth MN 946 PM CDT Sat Sep 19 2026 LSZ140-201500- /O.CON.KDLH.SC.Y.0109.260920T0900Z-260920T2100Z/ Grand Portage to Grand Marais MN- 946 PM CDT Sat Sep 19 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 AM TO 4 PM CDT SUNDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt and waves 1 to 3 ft expected. * WHERE...Grand Portage to Grand Marais MN. * WHEN...From 4 AM to 4 PM CDT Sunday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone operating a smaller vessel should avoid navigating in hazardous conditions. && $$ LSZ121-143>148-150-201500- /O.CON.KDLH.SC.Y.0109.260920T1200Z-260921T0300Z/ Chequamegon Bay-Bayfield to Oak Point WI- Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN- Duluth MN to Port Wing WI-Port Wing to Sand Island WI- Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI- Outer Apostle Islands Beyond 5 NM from Mainland- 946 PM CDT Sat Sep 19 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM TO 10 PM CDT SUNDAY... * WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6 ft expected. * WHERE...Silver Bay to Twin Ports and along the entire South Shore. * WHEN...From 7 AM to 10 PM CDT Sunday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone operating a smaller vessel should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-09-20 03:17:27 801 WHUS73 KDLH 200816 MWWDLH URGENT - MARINE WEATHER MESSAGE National Weather Service Duluth MN 316 AM CDT Sun Sep 20 2026 LSZ121-143>148-150-202030- /O.EXT.KDLH.SC.Y.0109.260920T0900Z-260921T0300Z/ 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- 316 AM CDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 PM CDT THIS EVENING... * WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6 ft expected. * WHERE...Portions of Lake Superior. * WHEN...Until 10 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. && $$ LSZ140-202030- /O.CON.KDLH.SC.Y.0109.260920T0900Z-260920T2100Z/ Grand Portage to Grand Marais MN- 316 AM CDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... * WHAT...Northeast winds 10 to 20 kt with gusts up to 25 kt and waves 1 to 4 ft expected. * WHERE...Grand Portage to Grand Marais MN. * WHEN...Until 4 PM CDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone operating a smaller vessel should avoid navigating in hazardous conditions. && $$ Action: Time Extended Issued At: 2026-09-20 03:17:27 801 WHUS73 KDLH 200816 MWWDLH URGENT - MARINE WEATHER MESSAGE National Weather Service Duluth MN 316 AM CDT Sun Sep 20 2026 LSZ121-143>148-150-202030- /O.EXT.KDLH.SC.Y.0109.260920T0900Z-260921T0300Z/ 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- 316 AM CDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 PM CDT THIS EVENING... * WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6 ft expected. * WHERE...Portions of Lake Superior. * WHEN...Until 10 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. && $$ LSZ140-202030- /O.CON.KDLH.SC.Y.0109.260920T0900Z-260920T2100Z/ Grand Portage to Grand Marais MN- 316 AM CDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... * WHAT...Northeast winds 10 to 20 kt with gusts up to 25 kt and waves 1 to 4 ft expected. * WHERE...Grand Portage to Grand Marais MN. * WHEN...Until 4 PM CDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone operating a smaller vessel should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-09-20 10:00:48 237 WHUS73 KDLH 201500 MWWDLH URGENT - MARINE WEATHER MESSAGE National Weather Service Duluth MN 1000 AM CDT Sun Sep 20 2026 LSZ140-202100- /O.CON.KDLH.SC.Y.0109.000000T0000Z-260920T2100Z/ Grand Portage to Grand Marais MN- 1000 AM CDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY REMAINS 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 4 ft. * WHERE...Grand Portage to Grand Marais MN. * 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. && $$ LSZ121-143>148-150-210300- /O.CON.KDLH.SC.Y.0109.000000T0000Z-260921T0300Z/ Chequamegon Bay-Bayfield to Oak Point WI- Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN- Duluth MN to Port Wing WI-Port Wing to Sand Island WI- Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI- Outer Apostle Islands Beyond 5 NM from Mainland- 1000 AM CDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING... * WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6 ft. * WHERE...Portions of Lake Superior. * WHEN...Until 10 PM CDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone operating a smaller vessel should avoid navigating in hazardous conditions. && $$ BJH Action: Continued Issued At: 2026-09-20 10:00:48 237 WHUS73 KDLH 201500 MWWDLH URGENT - MARINE WEATHER MESSAGE National Weather Service Duluth MN 1000 AM CDT Sun Sep 20 2026 LSZ140-202100- /O.CON.KDLH.SC.Y.0109.000000T0000Z-260920T2100Z/ Grand Portage to Grand Marais MN- 1000 AM CDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY REMAINS 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 4 ft. * WHERE...Grand Portage to Grand Marais MN. * 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. && $$ LSZ121-143>148-150-210300- /O.CON.KDLH.SC.Y.0109.000000T0000Z-260921T0300Z/ Chequamegon Bay-Bayfield to Oak Point WI- Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN- Duluth MN to Port Wing WI-Port Wing to Sand Island WI- Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI- Outer Apostle Islands Beyond 5 NM from Mainland- 1000 AM CDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING... * WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6 ft. * WHERE...Portions of Lake Superior. * WHEN...Until 10 PM CDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone operating a smaller vessel should avoid navigating in hazardous conditions. && $$ BJH Action: Continued Issued At: 2026-09-20 15:50:00 203 WHUS73 KDLH 202049 MWWDLH URGENT - MARINE WEATHER MESSAGE National Weather Service Duluth MN 349 PM CDT Sun Sep 20 2026 LSZ140-202200- /O.EXP.KDLH.SC.Y.0109.000000T0000Z-260920T2100Z/ Grand Portage to Grand Marais MN- 349 PM CDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY WILL EXPIRE AT 4 PM CDT THIS AFTERNOON... Winds have decreased and no longer pose a threat to small craft. $$ LSZ121-143>148-150-210300- /O.CON.KDLH.SC.Y.0109.000000T0000Z-260921T0300Z/ Chequamegon Bay-Bayfield to Oak Point WI- Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN- Duluth MN to Port Wing WI-Port Wing to Sand Island WI- Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI- Outer Apostle Islands Beyond 5 NM from Mainland- 349 PM CDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING... * WHAT...Northeast winds 10 to 15 kt with gusts up to 30 kt and waves 2 to 5 ft. * WHERE...Portions of Lake Superior. * WHEN...Until 10 PM CDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone operating a smaller vessel should avoid navigating in hazardous conditions. && $$ Action: Expired Issued At: 2026-09-20 15:50:00 203 WHUS73 KDLH 202049 MWWDLH URGENT - MARINE WEATHER MESSAGE National Weather Service Duluth MN 349 PM CDT Sun Sep 20 2026 LSZ140-202200- /O.EXP.KDLH.SC.Y.0109.000000T0000Z-260920T2100Z/ Grand Portage to Grand Marais MN- 349 PM CDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY WILL EXPIRE AT 4 PM CDT THIS AFTERNOON... Winds have decreased and no longer pose a threat to small craft. $$ LSZ121-143>148-150-210300- /O.CON.KDLH.SC.Y.0109.000000T0000Z-260921T0300Z/ Chequamegon Bay-Bayfield to Oak Point WI- Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN- Duluth MN to Port Wing WI-Port Wing to Sand Island WI- Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI- Outer Apostle Islands Beyond 5 NM from Mainland- 349 PM CDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING... * WHAT...Northeast winds 10 to 15 kt with gusts up to 30 kt and waves 2 to 5 ft. * WHERE...Portions of Lake Superior. * WHEN...Until 10 PM CDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Anyone operating a smaller vessel should avoid navigating in hazardous conditions. && $$ Action: Expired Issued At: 2026-09-20 22:13:40 501 WHUS73 KDLH 210313 MWWDLH URGENT - MARINE WEATHER MESSAGE National Weather Service Duluth MN 1013 PM CDT Sun Sep 20 2026 LSZ121-143>148-150-210415- /O.EXP.KDLH.SC.Y.0109.000000T0000Z-260921T0300Z/ 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- 1013 PM CDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY HAS EXPIRED... Winds and waves have decreased and no longer pose a threat to small craft. $$ | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||