Weather Alerts For Mattawan, MI

# HEADLINE -------------------- BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 4 AM EDT WEDNESDAY # DETAILS -------------------- WHAT High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. WHERE Mason, Oceana, Muskegon, Ottawa, Allegan and Van Buren counties. WHEN Until 4 AM EDT Wednesday. IMPACTS Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. ISSUED AT Tuesday, June 16, 2026 at 9:45 PM EDT ISSUED BY National Weather Service Grand Rapids MI HEADER Coastal Hazard Message # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- Remain out of the water to avoid hazardous swimming conditions and do not venture out on piers. Please check with your local authorities on potential beach closures. # AREAS AFFECTED -------------------- Allegan, Mason, Muskegon, Oceana, Ottawa, Van Buren

# HEADLINE -------------------- HEAVY RAINFALL MAY LEAD TO FLOODING ON WEDNESDAY # SUMMARY -------------------- Several rounds of showers and storms are expected through late Wednesday evening. The heaviest rain is expected to fall early Wednesday evening, with widespread rain totals between 1 and 2 inches possibly, especially along I-94. Isolated 3 inch rain totals are possible. Depending on exactly when and where this rain falls, localized flooding is possible, especially in the urban areas around Kalamazoo. Drivers should be prepared for travel impacts during the evening commute on Wednesday, especially along the I-94 corridor between Kalamazoo and Jackson. The latest information is always available at www.weather.gov/grr # DETAILS -------------------- ISSUED AT Tuesday, June 16, 2026 at 1:32 PM EDT ISSUED BY National Weather Service Grand Rapids MI HEADER Hydrologic Outlook