Tropical System in the Gulf; Dangerous Heat and Air Quality Concerns; Severe Thunderstorms for Midwest to mid-Atlantic
Tropical system in the Gulf expected to gradually strengthen the next couple of days off the Florida Panhandle and Alabama coasts. Instances of flash flooding will be possible through Thursday along the eastern and central Gulf Coast. Severe thunderstorms will develop and move along a cold front crossing the Upper Midwest, and through the Ohio Valley/Mid-Atlantic on Tuesday. Read More >
| NWS Forecast for: Pentwater to Manistee MI (LMZ849) Issued by: National Weather Service Grand Rapids, MI Last Update: 936 AM EDT Mon Jul 20 2026 | |
Rest Of Today: South winds to 30 knots. Partly sunny. A slight chance of rain showers in the afternoon. Waves 2 to 4 feet building to 5 to 7 feet early in the afternoon. Tonight: South winds to 30 knots veering southwest 15 to 25 knots after midnight. Rain showers and a chance of thunderstorms. Patchy smoke. Waves 6 to 8 feet. Tuesday: Northwest winds 15 to 25 knots increasing to 30 knots early in the afternoon. Mostly sunny with a chance of rain showers. Waves 4 to 6 feet. Tuesday Night: North gales to 35 knots decreasing to 30 knots after midnight. Partly cloudy. Waves 7 to 10 feet. Wednesday: North winds to 30 knots. Sunny. Waves 6 to 9 feet subsiding to 4 to 6 feet early in the afternoon. Thursday: Southwest winds 5 to 15 knots. Sunny. Waves 1 to 2 feet. Friday: Southwest winds 10 to 20 knots. Mostly sunny. Waves 2 to 3 feet. | |
| Zone Forecast: Pentwater to Manistee MI (LMZ849) | |
Visit your local NWS office at: https://www.weather.gov/grr/ |