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Home Return to list Small Craft Advisory 0098 Issued by the Detroit / Pontiac Forecast Office
Action: New Issued At: 2025-12-21 03:08:13 868 WHUS73 KDTX 210907 MWWDTX URGENT - MARINE WEATHER MESSAGE National Weather Service Detroit/Pontiac MI 407 AM EST Sun Dec 21 2025 LHZ361-362-211200- /O.CON.KDTX.GL.W.0031.000000T0000Z-251221T1200Z/ 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- 407 AM EST Sun Dec 21 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING... * WHAT...Expect sustained winds up to 31 knots from the west with gusts up to 39 knots. The largest significant waves will be 13 feet with a potential maximum wave height of 19 feet. * WHERE...Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt beyond 5 NM off shore and Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM off shore. * WHEN...The maximum winds are expected around 4 AM EST Sunday with the largest waves expected around 4 AM EST Sunday. * 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. && $$ LHZ421-212100- /O.NEW.KDTX.SC.Y.0098.251221T0907Z-251221T2100Z/ Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 407 AM EST Sun Dec 21 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON... * WHAT...Expect sustained winds up to 24 knots from the west with gusts up to 30 knots. The largest significant waves will be 6 feet with a potential maximum wave height of 8 feet. * WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay. * WHEN...The maximum winds are expected around 4 AM EST Sunday with the largest waves expected around 4 AM EST Sunday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LHZ441-212115- /O.NEW.KDTX.SC.Y.0098.251221T0907Z-251222T0000Z/ Port Austin to Harbor Beach MI- 407 AM EST Sun Dec 21 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING... * WHAT...Expect sustained winds up to 25 knots from the west with gusts up to 32 knots. The largest significant waves will be 7 feet with a potential maximum wave height of 10 feet. * WHERE...Port Austin to Harbor Beach MI. * WHEN...The maximum winds are expected around 4 AM EST Sunday with the largest waves expected around 4 AM EST 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. && $$ Action: New Issued At: 2025-12-21 03:08:13 868 WHUS73 KDTX 210907 MWWDTX URGENT - MARINE WEATHER MESSAGE National Weather Service Detroit/Pontiac MI 407 AM EST Sun Dec 21 2025 LHZ361-362-211200- /O.CON.KDTX.GL.W.0031.000000T0000Z-251221T1200Z/ Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt beyond 5 NM off shore- Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM off shore- 407 AM EST Sun Dec 21 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING... * WHAT...Expect sustained winds up to 31 knots from the west with gusts up to 39 knots. The largest significant waves will be 13 feet with a potential maximum wave height of 19 feet. * WHERE...Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt beyond 5 NM off shore and Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM off shore. * WHEN...The maximum winds are expected around 4 AM EST Sunday with the largest waves expected around 4 AM EST Sunday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LHZ421-212100- /O.NEW.KDTX.SC.Y.0098.251221T0907Z-251221T2100Z/ Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 407 AM EST Sun Dec 21 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON... * WHAT...Expect sustained winds up to 24 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. * WHEN...The maximum winds are expected around 4 AM EST Sunday with the largest waves expected around 4 AM EST 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. && $$ LHZ441-212115- /O.NEW.KDTX.SC.Y.0098.251221T0907Z-251222T0000Z/ Port Austin to Harbor Beach MI- 407 AM EST Sun Dec 21 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING... * WHAT...Expect sustained winds up to 25 knots from the west with gusts up to 32 knots. The largest significant waves will be 7 feet with a potential maximum wave height of 10 feet. * WHERE...Port Austin to Harbor Beach MI. * WHEN...The maximum winds are expected around 4 AM EST Sunday with the largest waves expected around 4 AM EST Sunday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Cancelled Issued At: 2025-12-21 14:35:11 242 WHUS73 KDTX 212034 MWWDTX URGENT - MARINE WEATHER MESSAGE National Weather Service Detroit/Pontiac MI 334 PM EST Sun Dec 21 2025 LHZ421-212145- /O.CAN.KDTX.SC.Y.0098.000000T0000Z-251221T2100Z/ Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 334 PM EST Sun Dec 21 2025 ...SMALL CRAFT ADVISORY IS CANCELLED... Wind gusts will continue to decrease through the evening hours. Wind gusts and wave heights have fallen below Small Craft Advisory thresholds. $$ LHZ441-212145- /O.CAN.KDTX.SC.Y.0098.000000T0000Z-251222T0000Z/ Port Austin to Harbor Beach MI- 334 PM EST Sun Dec 21 2025 ...SMALL CRAFT ADVISORY IS CANCELLED... Wind gusts will continue to decrease through the evening hours. Wind gusts and wave heights have fallen below Small Craft Advisory thresholds. $$ Action: Cancelled Issued At: 2025-12-21 14:35:11 242 WHUS73 KDTX 212034 MWWDTX URGENT - MARINE WEATHER MESSAGE National Weather Service Detroit/Pontiac MI 334 PM EST Sun Dec 21 2025 LHZ421-212145- /O.CAN.KDTX.SC.Y.0098.000000T0000Z-251221T2100Z/ Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 334 PM EST Sun Dec 21 2025 ...SMALL CRAFT ADVISORY IS CANCELLED... Wind gusts will continue to decrease through the evening hours. Wind gusts and wave heights have fallen below Small Craft Advisory thresholds. $$ LHZ441-212145- /O.CAN.KDTX.SC.Y.0098.000000T0000Z-251222T0000Z/ Port Austin to Harbor Beach MI- 334 PM EST Sun Dec 21 2025 ...SMALL CRAFT ADVISORY IS CANCELLED... Wind gusts will continue to decrease through the evening hours. Wind gusts and wave heights have fallen below Small Craft Advisory thresholds. $$ | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||