Active Weather Alerts
Marine Weather Statement
Issued: 12:32 AM Aug. 17, 2026 – National Weather Service
...STRONG THUNDERSTORMS APPROACHING THE WATERS... The areas affected include... Lake Huron from Port Sanilac to Port Huron 5NM Off Shore to US/Canadian border... Lake St. Clair Open Lake (U.S. Portion)... Port Sanilac to Port Huron MI... St. Clair River... At 831 PM EDT, Doppler radar indicated strong thunderstorms, capable of producing winds up to 30 knots. These thunderstorms were located along a line extending from 10 nm east of Lexington to 9 nm west of Port Huron to 12 nm west of New Baltimore, moving east at 25 knots. strong thunderstorms will be near... Lakeport and Port Huron around 835 PM EDT. New Baltimore around 845 PM EDT. St. Clair around 850 PM EDT. Algonac around 910 PM EDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds up to 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until these storms pass. &&
Small Craft Advisory
Issued: 1:50 PM Aug. 16, 2026 – National Weather Service
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO NOON EDT MONDAY... * WHAT...Expect sustained winds up to 17 knots from the northwest with gusts up to 21 knots. The largest significant waves will be 4 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, Port Austin to Harbor Beach MI, Harbor Beach to Port Sanilac MI and Port Sanilac to Port Huron MI. * WHEN...The maximum winds are expected around 2 AM EDT Monday with the largest waves expected around 4 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. &&
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