WHUS73 KAPX 231528 MWWAPX URGENT - MARINE WEATHER MESSAGE National Weather Service Gaylord MI 1128 AM EDT Sun Aug 23 2026 LSZ321-322-232330- /O.CON.KAPX.SC.Y.0071.000000T0000Z-260824T2100Z/ Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI- St. Marys River Point Iroquois to E. Potagannissing Bay- 1128 AM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT MONDAY... * WHAT...Highest gusts up to 30 kts from the northwest and highest waves around 8 feet. * WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point Iroquois MI and St. Marys River Point Iroquois to E. Potagannissing Bay. * WHEN...Until 5 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LHZ345-LMZ323-341-342-344-232330- /O.CON.KAPX.SC.Y.0071.000000T0000Z-260824T2300Z/ Straits of Mackinac within 5 nm of Mackinac Bridge including Mackinac Island- Grand Traverse Bay south of a line Grand Traverse Light to Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge- Norwood MI to 5NM West of Mackinac Bridge including Little Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI- 1128 AM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT MONDAY... * WHAT...Highest gusts up to 30 kts from the northwest and highest waves around 6 feet. * WHERE...In Lake Huron, Straits of Mackinac within 5 nm of Mackinac Bridge including Mackinac Island. In Lake Michigan, Grand Traverse Bay south of a line Grand Traverse Light to Norwood MI, Seul Choix Point to 5NM West of Mackinac Bridge, Norwood MI to 5NM West of Mackinac Bridge including Little Traverse Bay and Sleeping Bear Point to Grand Traverse Light MI. * WHEN...Until 7 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ345-346-232330- /O.CON.KAPX.SC.Y.0071.000000T0000Z-260824T0500Z/ Point Betsie to Sleeping Bear Point MI- Manistee to Point Betsie MI- 1128 AM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM EDT MONDAY... * WHAT...Highest gusts up to 25 kts from the north and highest waves around 5 feet. * WHERE...Point Betsie to Sleeping Bear Point MI and Manistee to Point Betsie MI. * WHEN...Until 1 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LHZ346-232330- /O.CON.KAPX.SC.Y.0071.000000T0000Z-260825T0000Z/ St Ignace to False Detour Channel- 1128 AM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT MONDAY... * WHAT...Highest gusts up to 30 kts from the northwest and highest waves around 4 feet. * WHERE...St Ignace to False Detour Channel. * WHEN...Until 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LHZ347-348-232330- /O.CON.KAPX.SC.Y.0071.000000T0000Z-260825T0200Z/ 5NM East of Mackinac Bridge to Presque Isle Light MI including Bois Blanc Island- Presque Isle Light to Sturgeon Pt MI Including Thunder Bay National Marine Sanctuary- 1128 AM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EDT MONDAY... * WHAT...Highest gusts up to 30 kts from the northwest and highest waves around 8 feet. * WHERE...5NM East of Mackinac Bridge to Presque Isle Light MI including Bois Blanc Island and Presque Isle Light to Sturgeon Pt MI Including Thunder Bay National Marine Sanctuary. * WHEN...Until 10 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LHZ349-232330- /O.CON.KAPX.SC.Y.0071.000000T0000Z-260824T2200Z/ Sturgeon Pt to Alabaster MI- 1128 AM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM EDT MONDAY... * WHAT...Highest gusts up to 30 kts from the northwest and highest waves around 5 feet. * WHERE...Sturgeon Pt to Alabaster MI. * WHEN...Until 6 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$