874 WHUS73 KDTX 240713 MWWDTX URGENT - MARINE WEATHER MESSAGE National Weather Service Detroit/Pontiac MI 313 AM EDT Mon Aug 24 2026 LHZ422-242000- /O.CON.KDTX.SC.Y.0050.000000T0000Z-260824T2000Z/ Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 313 AM EDT Mon Aug 24 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON... * WHAT...Expect sustained winds up to 22 knots from the northwest with gusts up to 27 knots. The largest significant waves will be 3 feet with a potential maximum wave height of 4 feet. * WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI. * WHEN...The maximum winds are expected around 6 AM EDT Monday with the largest waves expected around 6 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. && $$ LHZ421-441-242000- /O.CON.KDTX.SC.Y.0050.000000T0000Z-260825T0000Z/ Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay-Port Austin to Harbor Beach MI- 313 AM EDT Mon Aug 24 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Expect sustained winds up to 24 knots from the northwest with gusts up to 28 knots. The largest significant waves will be 5 feet with a potential maximum wave height of 7 feet. * WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay and Port Austin to Harbor Beach MI. * WHEN...The maximum winds are expected around 4 AM EDT Monday with the largest waves expected around 3 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LHZ442-443-242000- /O.CON.KDTX.SC.Y.0050.000000T0000Z-260825T0000Z/ Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI- 313 AM EDT Mon Aug 24 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Expect sustained winds up to 19 knots from the northwest with gusts up to 27 knots. The largest significant waves will be 3 feet with a potential maximum wave height of 4 feet. * WHERE...Harbor Beach to Port Sanilac MI and Port Sanilac to Port Huron MI. * WHEN...The maximum winds are expected around 4 AM EDT Monday with the largest waves expected around 12 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. && $$  961 WHUS71 KCLE 240736 MWWCLE URGENT - MARINE WEATHER MESSAGE National Weather Service Cleveland OH 336 AM EDT Mon Aug 24 2026 LEZ144-145-241545- /O.CON.KCLE.SC.Y.0039.000000T0000Z-260824T2100Z/ The Islands to Vermilion OH-Vermilion to Avon Point OH- 336 AM EDT Mon Aug 24 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... * WHAT...West winds 15 to 20 knots and waves 2 to 5 feet. * WHERE...The nearshore waters of Lake Erie from The Islands to Avon Point OH. * WHEN...Until 5 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LEZ146>149-241545- /O.CON.KCLE.SC.Y.0039.000000T0000Z-260825T0400Z/ Avon Point to Willowick OH-Willowick to Geneva-on-the Lake OH- Geneva-on-the-Lake to Conneaut OH-Conneaut OH to Ripley NY- 336 AM EDT Mon Aug 24 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... * WHAT...West winds 15 to 25 knots and waves 4 to 7 feet. * WHERE...The nearshore waters of Lake Erie from Avon Point OH to Ripley NY. * WHEN...Until midnight EDT tonight. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ For more information from the National Weather Service visit http://www.weather.gov/cle  726 WHUS73 KAPX 240753 MWWAPX URGENT - MARINE WEATHER MESSAGE National Weather Service Gaylord MI 353 AM EDT Mon Aug 24 2026 LHZ347-348-241600- /O.EXT.KAPX.GL.W.0015.000000T0000Z-260824T0800Z/ /O.EXT.KAPX.SC.Y.0072.260824T0800Z-260825T0400Z/ 5NM East of Mackinac Bridge to Presque Isle Light MI including Bois Blanc Island- Presque Isle Light to Sturgeon Pt MI Including Thunder Bay National Marine Sanctuary- 353 AM EDT Mon Aug 24 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... * WHAT...For the Small Craft Advisory, Highest gusts up to 30 kts from the northwest and highest waves around 8 feet expected. * WHERE...5NM East of Mackinac Bridge to Presque Isle Light MI including Bois Blanc Island and Presque Isle Light to Sturgeon Pt MI Including Thunder Bay National Marine Sanctuary. * WHEN...For the Small Craft Advisory, until midnight EDT tonight. * IMPACTS...Strong winds will cause hazardous highest waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ321-322-241600- /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- 353 AM EDT Mon Aug 24 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... * WHAT...Highest gusts up to 30 kts from the northwest and highest waves around 7 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. && $$ LHZ345-LMZ323-341-342-344-241600- /O.CON.KAPX.SC.Y.0071.000000T0000Z-260824T2300Z/ Straits of Mackinac within 5 nm of Mackinac Bridge including Mackinac Island- Grand Traverse Bay south of a line Grand Traverse Light to Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge- Norwood MI to 5NM West of Mackinac Bridge including Little Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI- 353 AM EDT Mon Aug 24 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... * WHAT...Highest gusts up to 30 kts from the northwest and highest waves around 6 feet. * WHERE...In Lake Huron, Straits of Mackinac within 5 nm of Mackinac Bridge including Mackinac Island. In Lake Michigan, Grand Traverse Bay south of a line Grand Traverse Light to Norwood MI, Seul Choix Point to 5NM West of Mackinac Bridge, Norwood MI to 5NM West of Mackinac Bridge including Little Traverse Bay and Sleeping Bear Point to Grand Traverse Light MI. * WHEN...Until 7 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LHZ346-241600- /O.CON.KAPX.SC.Y.0071.000000T0000Z-260825T0000Z/ St Ignace to False Detour Channel- 353 AM EDT Mon Aug 24 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * 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. && $$ LHZ349-241600- /O.CON.KAPX.SC.Y.0071.000000T0000Z-260824T2200Z/ Sturgeon Pt to Alabaster MI- 353 AM EDT Mon Aug 24 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM EDT THIS EVENING... * WHAT...Highest gusts up to 30 kts from the northwest and highest waves around 5 feet. * WHERE...Sturgeon Pt to Alabaster MI. * WHEN...Until 6 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$  878 WHUS73 KMQT 240757 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 357 AM EDT Mon Aug 24 2026 LSZ248-241800- /O.EXT.KMQT.SC.Y.0122.000000T0000Z-260824T1800Z/ Huron Islands to Marquette MI- 357 AM EDT Mon Aug 24 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... * WHAT...Northwest winds 10 to 15 kt with gusts up to 25 kt and waves 1 to 3 ft occurring. * WHERE...Huron Islands to Marquette MI. * WHEN...Until 2 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ250-242000- /O.EXT.KMQT.SC.Y.0122.000000T0000Z-260824T2100Z/ Munising to Grand Marais MI- 357 AM EDT Mon Aug 24 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... * WHAT...Northwest winds 15 to 20 kt with gusts up to 30 kt and waves 4 to 7 ft occurring. * WHERE...Munising to Grand Marais MI. * WHEN...Until 5 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ248-241200- /O.EXT.KMQT.SC.Y.0122.000000T0000Z-260824T1200Z/ Seul Choix Point to Point Detour MI- 357 AM EDT Mon Aug 24 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 AM EDT THIS MORNING... * WHAT...Northwest winds 10 to 20 kt with gusts up to 25 kt and waves 1 to 2 ft occurring. * WHERE...Seul Choix Point to Point Detour MI. * WHEN...Until 8 AM EDT this morning. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ249-242000- /O.EXT.KMQT.SC.Y.0122.000000T0000Z-260824T2100Z/ Marquette to Munising MI- 357 AM EDT Mon Aug 24 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... * WHAT...Northwest winds 15 to 20 kt with gusts up to 30 kt and waves 3 to 6 ft occurring. * WHERE...Marquette to Munising MI. * WHEN...Until 5 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ251-242000- /O.CON.KMQT.SC.Y.0122.000000T0000Z-260825T0000Z/ Grand Marais to Whitefish Point MI- 357 AM EDT Mon Aug 24 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and waves 5 to 8 ft occurring. * WHERE...Grand Marais to Whitefish Point MI. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ TAP