Active Weather Alerts
Special Marine Warning
Issued: 7:02 PM May. 9, 2026 – National Weather Service
...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 400 PM EDT... For the following areas... Detroit River... Lake St. Clair Open Lake (U.S. Portion)... St. Clair River... At 301 PM EDT, strong thunderstorms were located along a line extending from 11 nm east of Port Huron to near St. Clair Shores to 22 nm northwest of Monroe Harbor, moving east at 25 knots. HAZARD...Wind gusts to 40 knots and small hail. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. strong thunderstorms will be near... St. Clair, Mt Clemens Harbor Of Refuge, New Baltimore, St Clair Flats Old Channel Light, Metro Beach Metropark Marina, and St. Clair Shores around 305 PM EDT. Algonac, The Ambassador Bridge, and Grosse Pointe around 310 PM EDT. Belle Isle and Wyandotte around 315 PM EDT. Gibraltar around 330 PM EDT. Elizabeth Park Marina and Grosse Ile around 335 PM EDT. Lake Erie Metropark Harbor around 340 PM EDT. Other locations impacted by strong thunderstorms include Gibraltar. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && HAIL...<.75IN; WIND...40KTS
Special Weather Statement
Issued: 6:46 PM May. 9, 2026 – National Weather Service
...STRONG THUNDERSTORMS WILL IMPACT SOUTHEASTERN OAKLAND...MACOMB AND SOUTHERN ST. CLAIR COUNTIES THROUGH 345 PM EDT... At 246 PM EDT, Doppler radar was tracking strong thunderstorms along a line extending from near Memphis to Rochester to near Northville. Movement was east at 45 mph. HAZARD...Wind gusts up to 50 mph and half inch hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Warren, Troy, Southfield, St. Clair Shores, Pontiac, Novi, Mount Clemens, New Baltimore, Richmond, St. Clair, Algonac, Romeo, Sterling Heights, Royal Oak, Birmingham, Rochester, Marysville, Northville, Marine City, and Clinton Township. PRECAUTIONARY/PREPAREDNESS ACTIONS... If outdoors, consider seeking shelter inside a building. && MAX HAIL SIZE...0.50 IN; MAX WIND GUST...50 MPH
Special Marine Warning
Issued: 6:20 PM May. 9, 2026 – National Weather Service
...STRONG THUNDERSTORMS APPROACHING THE WATERS... The areas affected include... Lake St. Clair Open Lake (U.S. Portion)... St. Clair River... At 219 PM EDT, Doppler radar indicated strong thunderstorms, capable of producing winds up to 30 knots. These thunderstorms were located along a line extending from 14 nm west of Lakeport to 24 nm northwest of St. Clair Shores to 31 nm northwest of Wyandotte, moving east at 25 knots. strong thunderstorms will be near... Port Huron around 255 PM EDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... These strong thunderstorms will likely produce winds up to 30 knots, and could pose a serious hazard for boaters. A special marine warning may eventually be required when these strong thunderstorms reaches the nearshore waters. Boaters should consider heading for shore before these strong thunderstorms arrives. &&
Small Craft Advisory
Issued: 7:40 AM May. 9, 2026 – National Weather Service
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 8 PM EDT THIS EVENING... * WHAT...Expect sustained winds up to 17 knots from the southwest with gusts up to 26 knots. The largest significant waves will be 2 feet with a potential maximum wave height of 3 feet. * WHERE...Lake St Clair. * WHEN...The maximum winds are expected around 3 PM EDT Saturday with the largest waves expected around 3 PM EDT Saturday. * 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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