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Home Return to list Low Water Advisory 0007 Issued by the Detroit / Pontiac Forecast Office
Action: New Issued At: 2025-11-02 13:48:22 758 WHUS73 KDTX 021948 MWWDTX URGENT - MARINE WEATHER MESSAGE National Weather Service Detroit/Pontiac MI 248 PM EST Sun Nov 2 2025 LHZ361>363-421-441-462>464-030915- /O.EXT.KDTX.GL.W.0022.251103T0100Z-251104T0300Z/ Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt beyond 5 NM off shore- Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM off shore- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay-Port Austin to Harbor Beach MI- Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore- Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore- Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore- 248 PM EST Sun Nov 2 2025 ...GALE WARNING NOW IN EFFECT FROM 8 PM THIS EVENING TO 10 PM EST MONDAY... * WHAT...Expect sustained winds up to 31 knots from the west with gusts up to 39 knots. The largest significant waves will be 10 feet with a potential maximum wave height of 14 feet. * WHERE...Portions of Lake Huron. * WHEN...The maximum winds are expected around 7 PM EST Monday with the largest waves expected around 5 AM EST Monday. * IMPACTS...Strong winds will cause hazardous 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. && $$ LHZ422-030915- /O.EXT.KDTX.GL.W.0022.251103T0100Z-251103T1500Z/ Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 248 PM EST Sun Nov 2 2025 ...GALE WARNING NOW IN EFFECT FROM 8 PM THIS EVENING TO 10 AM EST MONDAY... * WHAT...Expect sustained winds up to 29 knots from the southwest with gusts up to 35 knots. The largest significant waves will be 5 feet with a potential maximum wave height of 7 feet. * WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI. * WHEN...The maximum winds are expected around 12 AM EST Monday with the largest waves expected around 2 AM EST Monday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LEZ444-030915- /O.CON.KDTX.SC.Y.0079.251103T0300Z-251104T0300Z/ /O.NEW.KDTX.LO.Y.0007.251103T1200Z-251104T0300Z/ Michigan Waters of Lake Erie from Detroit River to North Cape MI- 248 PM EST Sun Nov 2 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 10 PM EST MONDAY... ...LOW WATER ADVISORY IN EFFECT FROM 7 AM TO 10 PM EST MONDAY... * WHAT...During the Small Craft Advisory, expect sustained winds up to 21 knots from the southwest with gusts up to 26 knots. The largest significant waves will be 3 feet with a potential maximum wave height of 4 feet. During the Low Water Advisory, abnormally low water levels expected. * WHERE...Michigan Waters of Lake Erie from Detroit River to North Cape MI. * WHEN...The maximum winds are expected around 8 AM EST Monday with the largest waves expected around 8 AM EST Monday. * IMPACTS...Conditions will be hazardous to small craft. Below normal water levels will result in hazardous navigating conditions. * ADDITIONAL DETAILS...West winds to 20 to 25 knots are expected in the western basin of Lake Erie on Monday with gusts up to 30 knots. This will cause water levels in the western basin to decrease and the water level at Toledo will likely fall below the critical mark for safe navigation, which is 2 inches below low water datum. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. Mariners should navigate shallow waters with extreme caution due to below normal water levels. && $$ LCZ460-LHZ442-443-030915- /O.CON.KDTX.SC.Y.0079.251103T0300Z-251104T0300Z/ Lake St Clair-Harbor Beach to Port Sanilac MI- Port Sanilac to Port Huron MI- 248 PM EST Sun Nov 2 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 10 PM EST MONDAY... * WHAT...Expect sustained winds up to 24 knots from the southwest with gusts up to 32 knots. The largest significant waves will be 3 feet with a potential maximum wave height of 4 feet. * WHERE...In Lake St Clair, Lake St Clair. In Lake Huron, Harbor Beach to Port Sanilac MI and Port Sanilac to Port Huron MI. * WHEN...The maximum winds are expected around 8 AM EST Monday with the largest waves expected around 5 AM EST Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2025-11-03 02:44:43 915 WHUS73 KDTX 030844 MWWDTX URGENT - MARINE WEATHER MESSAGE National Weather Service Detroit/Pontiac MI 344 AM EST Mon Nov 3 2025 LHZ361>363-421-441-462>464-032100- /O.CON.KDTX.GL.W.0022.000000T0000Z-251104T0300Z/ Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt beyond 5 NM off shore- Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM off shore- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay-Port Austin to Harbor Beach MI- Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore- Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore- Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore- 344 AM EST Mon Nov 3 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 10 PM EST THIS EVENING... * WHAT...Expect sustained winds up to 31 knots from the west with gusts up to 39 knots. The largest significant waves will be 10 feet with a potential maximum wave height of 14 feet. * WHERE...Portions of Lake Huron. * WHEN...The maximum winds are expected around 7 PM EST Monday with the largest waves expected around 5 AM EST Monday. * IMPACTS...Strong winds will cause hazardous 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. && $$ LHZ422-031500- /O.CON.KDTX.GL.W.0022.000000T0000Z-251103T1500Z/ Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 344 AM EST Mon Nov 3 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 10 AM EST THIS MORNING... * WHAT...Expect sustained winds up to 29 knots from the southwest with gusts up to 35 knots. The largest significant waves will be 5 feet with a potential maximum wave height of 7 feet. * WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI. * WHEN...The maximum winds are expected around 3 AM EST Monday with the largest waves expected around 4 AM EST Monday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LEZ444-032100- /O.CON.KDTX.SC.Y.0079.000000T0000Z-251104T0300Z/ /O.CON.KDTX.LO.Y.0007.251103T1200Z-251104T0300Z/ Michigan Waters of Lake Erie from Detroit River to North Cape MI- 344 AM EST Mon Nov 3 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EST THIS EVENING... ...LOW WATER ADVISORY REMAINS IN EFFECT FROM 7 AM THIS MORNING TO 10 PM EST THIS EVENING... * WHAT...During the Small Craft Advisory, expect sustained winds up to 21 knots from the west with gusts up to 26 knots. The largest significant waves will be 3 feet with a potential maximum wave height of 4 feet. During the Low Water Advisory, abnormally low water levels expected. * WHERE...Michigan Waters of Lake Erie from Detroit River to North Cape MI. * WHEN...The maximum winds are expected around 8 AM EST Monday with the largest waves expected around 8 AM EST Monday. * IMPACTS...Conditions will be hazardous to small craft. Below normal water levels will result in hazardous navigating conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. Mariners should navigate shallow waters with extreme caution due to below normal water levels. && $$ LCZ460-LHZ442-443-032100- /O.CON.KDTX.SC.Y.0079.000000T0000Z-251104T0300Z/ Lake St Clair-Harbor Beach to Port Sanilac MI- Port Sanilac to Port Huron MI- 344 AM EST Mon Nov 3 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EST THIS EVENING... * WHAT...Expect sustained winds up to 24 knots from the west with gusts up to 32 knots. The largest significant waves will be 4 feet with a potential maximum wave height of 5 feet. * WHERE...In Lake St Clair, Lake St Clair. In Lake Huron, Harbor Beach to Port Sanilac MI and Port Sanilac to Port Huron MI. * WHEN...The maximum winds are expected around 8 AM EST Monday with the largest waves expected around 9 PM EST Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2025-11-03 08:49:15 406 WHUS73 KDTX 031448 MWWDTX URGENT - MARINE WEATHER MESSAGE National Weather Service Detroit/Pontiac MI 948 AM EST Mon Nov 3 2025 LHZ422-040500- /O.CAN.KDTX.GL.W.0022.000000T0000Z-251103T1500Z/ /O.EXB.KDTX.SC.Y.0079.000000T0000Z-251104T0500Z/ Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 948 AM EST Mon Nov 3 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EST TONIGHT... ...GALE WARNING IS CANCELLED... * WHAT...Expect sustained winds up to 24 knots from the west with gusts up to 33 knots. The largest significant waves will be 5 feet with a potential maximum wave height of 7 feet. * WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI. * WHEN...The maximum winds are expected around 9 AM EST Monday with the largest waves expected around 9 AM EST 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. && $$ LHZ361>363-421-441-462>464-040300- /O.CON.KDTX.GL.W.0022.000000T0000Z-251104T0300Z/ Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt beyond 5 NM off shore- Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM off shore- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay-Port Austin to Harbor Beach MI- Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore- Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore- Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore- 948 AM EST Mon Nov 3 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 10 PM EST THIS EVENING... * WHAT...Expect sustained winds up to 27 knots from the west with gusts up to 38 knots. The largest significant waves will be 11 feet with a potential maximum wave height of 16 feet. * WHERE...Portions of Lake Huron. * WHEN...The maximum winds are expected around 7 PM EST Monday with the largest waves expected around 4 PM EST Monday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LHZ442-443-040530- /O.EXT.KDTX.SC.Y.0079.000000T0000Z-251104T0900Z/ Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI- 948 AM EST Mon Nov 3 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 AM EST TUESDAY... * WHAT...Expect sustained winds up to 22 knots from the west with gusts up to 33 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 9 AM EST Monday with the largest waves expected around 9 PM EST 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. && $$ LEZ444-040300- /O.CON.KDTX.LO.Y.0007.000000T0000Z-251104T0300Z/ /O.CON.KDTX.SC.Y.0079.000000T0000Z-251104T0300Z/ Michigan Waters of Lake Erie from Detroit River to North Cape MI- 948 AM EST Mon Nov 3 2025 ...LOW WATER ADVISORY REMAINS IN EFFECT UNTIL 10 PM EST THIS EVENING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EST THIS EVENING... * WHAT...During the Low Water Advisory, abnormally low water levels. During the Small Craft Advisory, expect sustained winds up to 21 knots from the west with gusts up to 30 knots. The largest significant waves will be 3 feet with a potential maximum wave height of 4 feet. * WHERE...Michigan Waters of Lake Erie from Detroit River to North Cape MI. * WHEN...The maximum winds are expected around 9 AM EST Monday with the largest waves expected around 9 AM EST Monday. * IMPACTS...Conditions will be hazardous to small craft. Below normal water levels will result in hazardous navigating conditions. * ADDITIONAL DETAILS...The critical mark for safe navigation is 2 inches below low water datum at Toledo. Water levels are expected to quickly fall this morning as southwest winds increase, with levels likely to reach between 0 and 10 inches below low water datum. Water levels are expected to rise this evening as winds shift westerly and slowly decrease. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. Mariners should navigate shallow waters with extreme caution due to below normal water levels. && $$ LCZ460-040300- /O.CON.KDTX.SC.Y.0079.000000T0000Z-251104T0300Z/ Lake St Clair- 948 AM EST Mon Nov 3 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EST THIS EVENING... * WHAT...Expect sustained winds up to 19 knots from the west with gusts up to 30 knots. The largest significant waves will be 3 feet with a potential maximum wave height of 4 feet. * WHERE...Lake St Clair. * WHEN...The maximum winds are expected around 9 AM EST Monday with the largest waves expected around 8 PM EST 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. && $$ Action: Expired Issued At: 2025-11-03 20:51:27 206 WHUS73 KDTX 040250 MWWDTX URGENT - MARINE WEATHER MESSAGE National Weather Service Detroit/Pontiac MI 950 PM EST Mon Nov 3 2025 LHZ421-441-041500- /O.EXP.KDTX.GL.W.0022.000000T0000Z-251104T0300Z/ /O.EXB.KDTX.SC.Y.0079.251104T0300Z-251104T1500Z/ Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay-Port Austin to Harbor Beach MI- 950 PM EST Mon Nov 3 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EST TUESDAY... ...GALE WARNING WILL EXPIRE AT 10 PM EST THIS EVENING... * WHAT...Expect sustained winds up to 26 knots from the west with gusts up to 30 knots. The largest significant waves will be 6 feet with a potential maximum wave height of 8 feet. * WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay and Port Austin to Harbor Beach MI. * WHEN...The maximum winds are expected around 10 PM EST Monday with the largest waves expected around 10 PM EST Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LHZ361>363-462>464-040400- /O.EXP.KDTX.GL.W.0022.000000T0000Z-251104T0300Z/ Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt beyond 5 NM off shore- Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM off shore- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore- Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore- Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore- 950 PM EST Mon Nov 3 2025 ...GALE WARNING WILL EXPIRE AT 10 PM EST THIS EVENING... Winds have weakened below gales. $$ LEZ444-040400- /O.EXP.KDTX.LO.Y.0007.000000T0000Z-251104T0300Z/ /O.EXP.KDTX.SC.Y.0079.000000T0000Z-251104T0300Z/ Michigan Waters of Lake Erie from Detroit River to North Cape MI- 950 PM EST Mon Nov 3 2025 ...LOW WATER ADVISORY WILL EXPIRE AT 10 PM EST THIS EVENING... ...SMALL CRAFT ADVISORY WILL EXPIRE AT 10 PM EST THIS EVENING... Winds have decreased below hazardous small craft conditions and lake levels have risen. $$ LCZ460-040400- /O.EXP.KDTX.SC.Y.0079.000000T0000Z-251104T0300Z/ Lake St Clair- 950 PM EST Mon Nov 3 2025 ...SMALL CRAFT ADVISORY WILL EXPIRE AT 10 PM EST THIS EVENING... Winds have decreased below hazardous small craft conditions. $$ LHZ442-443-040400- /O.EXT.KDTX.SC.Y.0079.000000T0000Z-251104T0300Z/ Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI- 950 PM EST Mon Nov 3 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 PM EST THIS EVENING... * WHAT...Expect sustained winds up to 22 knots from the west with gusts up to 33 knots. The largest significant waves will be 4 feet with a potential maximum wave height of 5 feet. * WHERE...Harbor Beach to Port Sanilac MI and Port Sanilac to Port Huron MI. * WHEN...The maximum winds are expected around 9 PM EST Monday with the largest waves expected around 9 PM EST Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LHZ422-040500- /O.CON.KDTX.SC.Y.0079.000000T0000Z-251104T0500Z/ Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 950 PM EST Mon Nov 3 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT... * WHAT...Expect sustained winds up to 24 knots from the west with gusts up to 33 knots. The largest significant waves will be 5 feet with a potential maximum wave height of 7 feet. * WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI. * WHEN...The maximum winds are expected around 9 AM EST Monday with the largest waves expected around 9 AM EST 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. && $$ | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||