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Home Return to list Small Craft Advisory 0055 Issued by the Detroit / Pontiac Forecast Office
Action: Continued Issued At: 2026-09-18 02:44:35 133 WHUS73 KDTX 180744 MWWDTX URGENT - MARINE WEATHER MESSAGE National Weather Service Detroit/Pontiac MI 344 AM EDT Fri Sep 18 2026 LHZ442-443-182000- /O.CON.KDTX.SC.Y.0055.260918T1000Z-260919T0400Z/ Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI- 344 AM EDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... * WHAT...Expect sustained winds up to 18 knots from the north with gusts up to 22 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 6 PM EDT Friday with the largest waves expected around 7 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LHZ421-441-182000- /O.CON.KDTX.SC.Y.0055.260918T1000Z-260918T2000Z/ Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay-Port Austin to Harbor Beach MI- 344 AM EDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON... * WHAT...Expect sustained winds up to 17 knots from the northeast with gusts up to 20 knots. The largest significant waves will be 4 feet with a potential maximum wave height of 5 feet. * WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay and Port Austin to Harbor Beach MI. * WHEN...The maximum winds are expected around 6 AM EDT Friday with the largest waves expected around 7 AM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-09-18 02:44:35 133 WHUS73 KDTX 180744 MWWDTX URGENT - MARINE WEATHER MESSAGE National Weather Service Detroit/Pontiac MI 344 AM EDT Fri Sep 18 2026 LHZ442-443-182000- /O.CON.KDTX.SC.Y.0055.260918T1000Z-260919T0400Z/ Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI- 344 AM EDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... * WHAT...Expect sustained winds up to 18 knots from the north with gusts up to 22 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 6 PM EDT Friday with the largest waves expected around 7 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LHZ421-441-182000- /O.CON.KDTX.SC.Y.0055.260918T1000Z-260918T2000Z/ Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay-Port Austin to Harbor Beach MI- 344 AM EDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON... * WHAT...Expect sustained winds up to 17 knots from the northeast with gusts up to 20 knots. The largest significant waves will be 4 feet with a potential maximum wave height of 5 feet. * WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay and Port Austin to Harbor Beach MI. * WHEN...The maximum winds are expected around 6 AM EDT Friday with the largest waves expected around 7 AM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Expired Issued At: 2026-09-18 14:53:23 558 WHUS73 KDTX 181953 MWWDTX URGENT - MARINE WEATHER MESSAGE National Weather Service Detroit/Pontiac MI 353 PM EDT Fri Sep 18 2026 LHZ421-441-182100- /O.EXP.KDTX.SC.Y.0055.000000T0000Z-260918T2000Z/ Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay-Port Austin to Harbor Beach MI- 353 PM EDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY WILL EXPIRE AT 4 PM EDT THIS AFTERNOON... Winds have decreased allowing waves to subside this afternoon. $$ LHZ442-443-190400- /O.CON.KDTX.SC.Y.0055.000000T0000Z-260919T0400Z/ Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI- 353 PM EDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... * WHAT...Expect sustained winds up to 18 knots from the northeast with gusts up to 22 knots. The largest significant waves will be 4 feet with a potential maximum wave height of 5 feet. * WHERE...Harbor Beach to Port Sanilac MI and Port Sanilac to Port Huron MI. * WHEN...The maximum winds are expected around 6 PM EDT Friday with the largest waves expected around 7 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-09-18 14:53:23 558 WHUS73 KDTX 181953 MWWDTX URGENT - MARINE WEATHER MESSAGE National Weather Service Detroit/Pontiac MI 353 PM EDT Fri Sep 18 2026 LHZ421-441-182100- /O.EXP.KDTX.SC.Y.0055.000000T0000Z-260918T2000Z/ Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay-Port Austin to Harbor Beach MI- 353 PM EDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY WILL EXPIRE AT 4 PM EDT THIS AFTERNOON... Winds have decreased allowing waves to subside this afternoon. $$ LHZ442-443-190400- /O.CON.KDTX.SC.Y.0055.000000T0000Z-260919T0400Z/ Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI- 353 PM EDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... * WHAT...Expect sustained winds up to 18 knots from the northeast with gusts up to 22 knots. The largest significant waves will be 4 feet with a potential maximum wave height of 5 feet. * WHERE...Harbor Beach to Port Sanilac MI and Port Sanilac to Port Huron MI. * WHEN...The maximum winds are expected around 6 PM EDT Friday with the largest waves expected around 7 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Cancelled Issued At: 2026-09-18 20:44:04 326 WHUS73 KDTX 190143 MWWDTX URGENT - MARINE WEATHER MESSAGE National Weather Service Detroit/Pontiac MI 943 PM EDT Fri Sep 18 2026 LHZ442-443-190245- /O.CAN.KDTX.SC.Y.0055.000000T0000Z-260919T0400Z/ Harbor Beach to Port Sanilac MI-Port Sanilac to Port Huron MI- 943 PM EDT Fri Sep 18 2026 ...SMALL CRAFT ADVISORY IS CANCELLED... Winds and waves have fallen below small craft advisory criteria. $$ | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||