380 WHGM72 PGUM 231901 MWWPQ2 URGENT - MARINE WEATHER MESSAGE National Weather Service Tiyan GU 501 AM ChST Mon Aug 24 2026 PMZ171-232015- /O.EXP.PGUM.SC.Y.0061.000000T0000Z-260823T1900Z/ Yap Coastal Waters- 501 AM ChST Mon Aug 24 2026 ...SMALL CRAFT ADVISORY WILL EXPIRE AT 5 AM CHST EARLY THIS MORNING... Overnight altimetry and recent buoy data indicate that seas have fallen below hazardous levels of 10 feet. As Tropical Depression 19W continues to move farther away to the north, 15 to 20 kt southwest winds trend down to 10 to 15 kt Tuesday. Mariners should still exercise caution as combined seas of 7 to 9 feet persist through tonight, mainly across northern waters. $$ Cruz  323 WHUS76 KPQR 231918 MWWPQR URGENT - MARINE WEATHER MESSAGE National Weather Service Portland OR 1218 PM PDT Sun Aug 23 2026 PZZ252-253-272-273-241130- /O.CON.KPQR.SC.Y.0091.260824T0000Z-260825T0000Z/ Coastal waters from Cape Falcon to Cape Foulweather OR out 10 NM- Coastal waters from Cape Foulweather to Florence OR out 10 NM- Waters from Cape Falcon to Cape Foulweather OR from 10 to 60 NM- Waters from Cape Foulweather to Florence OR from 10 to 60 NM- 1218 PM PDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM PDT MONDAY... * WHAT...Seas 4 to 6 ft at 7 seconds and north winds 10 to 20 kt with gusts up to 25 kt expected. * WHERE...Coastal waters from Cape Falcon to Cape Foulweather OR out 10 NM, Coastal waters from Cape Foulweather to Florence OR out 10 NM, Waters from Cape Falcon to Cape Foulweather OR from 10 to 60 NM and Waters from Cape Foulweather to Florence OR from 10 to 60 NM. * WHEN...From 5 PM this afternoon to 5 PM PDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ PZZ251-271-241130- /O.CON.KPQR.SC.Y.0091.260824T0600Z-260825T0300Z/ Coastal waters from Cape Shoalwater WA to Cape Falcon OR out 10 NM- Waters from Cape Shoalwater WA to Cape Falcon OR from 10 to 60 NM- 1218 PM PDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 8 PM PDT MONDAY... * WHAT...Seas 3 to 6 ft at 7 seconds and north winds 15 to 20 kt with gusts up to 25 kt expected. * WHERE...Coastal waters from Cape Shoalwater WA to Cape Falcon OR out 10 NM and Waters from Cape Shoalwater WA to Cape Falcon OR from 10 to 60 NM. * WHEN...From 11 PM this evening to 8 PM PDT 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. && $$ PZZ210-241130- /O.CON.KPQR.SC.Y.0091.260824T1500Z-260825T0300Z/ Columbia River Bar- 1218 PM PDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM TO 8 PM PDT MONDAY... * WHAT...Rough bar conditions expected. Seas 3 to 5 ft at 6 seconds and north winds 10 to 15 kt with gusts up to 25 kt. * WHERE...In the Main Channel of the Columbia River Bar. * WHEN...From 8 AM to 8 PM PDT Monday. * IMPACTS...Conditions will be hazardous to small craft, especially when operating near to, or attempting to cross, the Columbia River Bar. * ADDITIONAL DETAILS...Ebb current of 2.35 kt at 318 PM Monday. Seas 4 to 5 ft. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wave conditions are expected to be hazardous to small craft in the vicinity of the Columbia River Bar. Mariners are advised to obtain the latest bar conditions from the United States Coast Guard before attempting to cross the bar. && $$ For more information from the National Weather Service, visit: https://www.weather.gov/portland/marine  953 WHUS73 KDTX 231937 MWWDTX URGENT - MARINE WEATHER MESSAGE National Weather Service Detroit/Pontiac MI 337 PM EDT Sun Aug 23 2026 LHZ422-240800- /O.CON.KDTX.SC.Y.0050.000000T0000Z-260824T0800Z/ Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 337 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT MONDAY... * WHAT...Expect sustained winds up to 25 knots from the northwest with gusts up to 31 knots. The largest significant waves will be 4 feet with a potential maximum wave height of 5 feet. * WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI. * WHEN...The maximum winds are expected around 7 PM EDT Sunday with the largest waves expected around 8 PM EDT Sunday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LHZ421-441-240815- /O.CON.KDTX.SC.Y.0050.000000T0000Z-260824T2000Z/ Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay-Port Austin to Harbor Beach MI- 337 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EDT MONDAY... * WHAT...Expect sustained winds up to 22 knots from the northwest with gusts up to 29 knots. The largest significant waves will be 6 feet with a potential maximum wave height of 8 feet. * WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay and Port Austin to Harbor Beach MI. * WHEN...The maximum winds are expected around 7 PM EDT Sunday with the largest waves expected around 4 PM EDT Sunday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LHZ442-443-240815- /O.CON.KDTX.SC.Y.0050.000000T0000Z-260824T2000Z/ Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI- 337 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EDT MONDAY... * WHAT...Expect sustained winds up to 19 knots from the northwest with gusts up to 28 knots. The largest significant waves will be 4 feet with a potential maximum wave height of 5 feet. * WHERE...Harbor Beach to Port Sanilac MI and Port Sanilac to Port Huron MI. * WHEN...The maximum winds are expected around 12 PM EDT Monday with the largest waves expected around 4 PM EDT Sunday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$  021 WHUS73 KIWX 231939 MWWIWX URGENT - MARINE WEATHER MESSAGE National Weather Service Northern Indiana 339 PM EDT Sun Aug 23 2026 LMZ043-046-240300- /O.CON.KIWX.SC.Y.0055.000000T0000Z-260824T0300Z/ New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI- 339 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS EVENING... * WHAT...Northwest winds 15 to 25 knots. Waves 3 to 6 feet. * WHERE...Michigan City IN to St Joseph MI. * WHEN...Until 11 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Andersen  118 WHUS71 KBUF 231941 MWWBUF URGENT - MARINE WEATHER MESSAGE National Weather Service Buffalo NY 341 PM EDT Sun Aug 23 2026 LEZ040-041-240345- /O.CON.KBUF.SC.Y.0064.000000T0000Z-260825T0600Z/ Lake Erie nearshore waters from Ripley to Dunkirk- Lake Erie nearshore waters from Dunkirk to Buffalo- 341 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT TUESDAY... * WHAT...West winds 15 to 25 knots and waves 4 to 7 feet. * WHERE...The nearshore waters of Lake Erie from Ripley to Buffalo. * WHEN...Until 2 AM EDT Tuesday. * IMPACTS...Winds and/or waves will cause hazardous conditions that could capsize or damage small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LOZ042>045-240345- /O.CON.KBUF.SC.Y.0064.000000T0000Z-260826T0000Z/ Lake Ontario nearshore waters from the Niagara River to Hamlin Beach- Lake Ontario nearshore waters from Hamlin Beach to Sodus Bay- Lake Ontario nearshore waters from Sodus Bay to Mexico Bay- Lake Ontario nearshore waters from Mexico Bay to the Saint Lawrence River- 341 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT TUESDAY... * WHAT...West winds 15 to 25 knots and waves 4 to 7 feet. * WHERE...The nearshore waters of Lake Ontario from the Niagara River to the Saint Lawrence River. * WHEN...Until 8 PM EDT Tuesday. * IMPACTS...Winds and/or waves will cause hazardous conditions that could capsize or damage small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$  186 WHUS71 KCLE 231942 MWWCLE URGENT - MARINE WEATHER MESSAGE National Weather Service Cleveland OH 342 PM EDT Sun Aug 23 2026 LEZ144-145-240345- /O.CON.KCLE.SC.Y.0039.000000T0000Z-260824T2100Z/ The Islands to Vermilion OH-Vermilion to Avon Point OH- 342 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT MONDAY... * WHAT...West winds 15 to 20 knots and waves 3 to 5 feet. * WHERE...The nearshore waters of Lake Erie from The Islands to Avon Point OH. * 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. && $$ LEZ146>149-240345- /O.CON.KCLE.SC.Y.0039.000000T0000Z-260825T0400Z/ Avon Point to Willowick OH-Willowick to Geneva-on-the Lake OH- Geneva-on-the-Lake to Conneaut OH-Conneaut OH to Ripley NY- 342 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT MONDAY NIGHT... * WHAT...West winds 15 to 25 knots and waves 4 to 7 feet. * WHERE...The nearshore waters of Lake Erie from Avon Point OH to Ripley NY. * WHEN...Until midnight EDT Monday night. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ For more information from the National Weather Service visit http://www.weather.gov/cle  435 WHUS73 KMQT 231946 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 346 PM EDT Sun Aug 23 2026 LSZ244-245-240500- /O.EXT.KMQT.SC.Y.0122.000000T0000Z-260824T0500Z/ Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 346 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 AM EDT MONDAY... * WHAT...Northwest winds 10 to 15 kt with gusts up to 25 kt and waves 1 to 4 ft occurring. * WHERE...Eagle River to Manitou Island MI and Manitou Island to Point Isabelle 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. && $$ LSZ246-232100- /O.EXT.KMQT.SC.Y.0122.000000T0000Z-260823T2100Z/ Point Isabelle to Lower Entrance of Portage Canal MI- 346 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... * WHAT...North winds 10 to 15 kt with gusts up to 25 kt and waves 1 foot or less occurring. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI. * WHEN...Until 5 PM EDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ248-240800- /O.EXT.KMQT.SC.Y.0122.000000T0000Z-260824T1400Z/ Seul Choix Point to Point Detour MI- 346 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 AM EDT MONDAY... * WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt and waves 1 to 2 ft occurring. * WHERE...Seul Choix Point to Point Detour MI. * WHEN...Until 10 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. && $$ LMZ221-250-240700- /O.EXT.KMQT.SC.Y.0122.000000T0000Z-260824T0700Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 5NM East of a line from Fairport MI to Rock Island Passage- 346 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 AM EDT MONDAY... * WHAT...North winds 10 to 20 kt with gusts up to 25 kt and waves 1 to 3 ft occurring. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...Until 3 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ248-240800- /O.CON.KMQT.SC.Y.0122.000000T0000Z-260824T0900Z/ Huron Islands to Marquette MI- 346 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT MONDAY... * WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt and waves 2 to 5 ft occurring. * WHERE...Huron Islands to Marquette MI. * WHEN...Until 5 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. && $$ LSZ250-240800- /O.CON.KMQT.SC.Y.0122.000000T0000Z-260824T2200Z/ Munising to Grand Marais MI- 346 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM EDT MONDAY... * WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt and waves 4 to 7 ft occurring. * WHERE...Munisingto Grand Marais MI. * WHEN...Until 6 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ251-240800- /O.CON.KMQT.SC.Y.0122.000000T0000Z-260825T0000Z/ Grand Marais to Whitefish Point MI- 346 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT MONDAY... * WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and waves 4 to 7 ft occurring. * WHERE...Grand Marais to Whitefish Point MI. * 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. && $$ LSZ249-240800- /O.CON.KMQT.SC.Y.0122.000000T0000Z-260824T2200Z/ Marquette to Munising MI- 346 PM EDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM EDT MONDAY... * WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt and waves 4 to 7 ft occurring. * WHERE...Marquette to Munising MI. * WHEN...Until 6 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ GS