Active Weather Alerts
Severe Thunderstorm Watch
Issued: 5:03 PM May. 18, 2026 – National Weather Service
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 221 IN EFFECT UNTIL 8 PM EDT THIS EVENING FOR THE FOLLOWING AREAS THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS ST. CLAIR RIVER DETROIT RIVER LAKE ST CLAIR MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER SAGINAW BAY INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI PORT AUSTIN TO HARBOR BEACH MI HARBOR BEACH TO PORT SANILAC MI PORT SANILAC TO PORT HURON 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
Severe Thunderstorm Watch
Issued: 5:03 PM May. 18, 2026 – National Weather Service
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 221 IN EFFECT UNTIL 8 PM EDT THIS EVENING FOR THE FOLLOWING AREAS IN MICHIGAN THIS WATCH INCLUDES 17 COUNTIES IN SOUTHEAST MICHIGAN BAY GENESEE HURON LAPEER LENAWEE LIVINGSTON MACOMB MIDLAND MONROE OAKLAND SAGINAW SANILAC SHIAWASSEE ST. CLAIR TUSCOLA WASHTENAW WAYNE THIS INCLUDES THE CITIES OF ADRIAN, ALMONT, ANN ARBOR, BAD AXE, BAY CITY, BRIGHTON, BROWN CITY, CANTON, CARO, CASEVILLE, CASS CITY, CROSWELL, DEARBORN, DECKERVILLE, DURAND, FERNDALE, FLINT, FOWLERVILLE, HARBOR BEACH, HOWELL, IMLAY CITY, LAMBERTVILLE, LAPEER, LEXINGTON, LINCOLN PARK, LIVONIA, MARLETTE, MARYSVILLE, MAYVILLE, MIDLAND, MILLINGTON, MONROE, NOVI, OWOSSO, PIGEON, PONTIAC, PORT HURON, REDFORD, REESE, ROYAL OAK, SAGINAW, SANDUSKY, SEBEWAING, SOUTHFIELD, ST. CLAIR SHORES, STERLING HEIGHTS, TAYLOR, TEMPERANCE, TROY, UBLY, VASSAR, WARREN, WATERFORD, AND WESTLAND.
Small Craft Advisory
Issued: 7:22 AM May. 18, 2026 – National Weather Service
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 10 PM EDT THIS EVENING... * WHAT...Expect sustained winds up to 20 knots from the southwest with gusts up to 27 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, Inner Saginaw Bay SW of Point Au Gres to Bay Port MI, 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 4 PM EDT Monday with the largest waves expected around 2 PM 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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