Severe Thunderstorms, Heavy Rainfall and Dangerous Heat

Severe thunderstorms are expected today and Friday from the upper Midwest, central Great Lakes into the Ohio and mid-Mississippi Valley's. In addition, heavy rainfall threat increases on Friday across the Ohio Valley. Meanwhile, early summer-like heat wave across portions of southern Texas with new daily records are forecast today and through the weekend; The heat spreads across the Gulf States. Read More >

Coastal Waters Forecast for Port Washington to North Point Light WI (LMZ644) (Text-Only)
NWS Forecast for: Port Washington to North Point Light WI (LMZ644)
Issued by: National Weather Service Milwaukee, WI
Last Update: 705 PM CDT Thu May 15 2025




Tonight: South wind 10 to 20 knots with gusts to around 25 knots veering southwest 10 to 15 knots with gusts to around 20 knots late in the evening, then becoming 5 to 15 knots after midnight backing south 10 to 15 knots early in the morning. Showers and thunderstorms in the evening. Waves 2 to 4 feet subsiding to 1 to 2 feet early in the morning.

Friday: South wind 10 to 20 knots rising to 15 to 25 knots with gusts to around 30 knots late in the morning, then becoming south 15 to 25 knots with gusts to around 35 knots in the afternoon. Slight chance of showers and thunderstorms in the afternoon. Waves 1 to 2 feet building to 4 to 6 feet.

Friday Night: Southwest wind 15 to 20 knots with gusts to around 30 knots becoming southwest 15 to 20 knots late in the evening, then becoming west 10 to 15 knots after midnight rising to 15 to 20 knots early in the morning. Rain showers likely and a chance of thunderstorms through around midnight. Chance of showers after midnight. Waves 4 to 6 feet subsiding to 1 to 3 feet.

Saturday: West wind 10 to 20 knots rising to 15 to 25 knots in the late morning and early afternoon, then becoming west 15 to 25 knots late in the afternoon. Slight chance of showers. Waves 2 to 4 feet.







Zone Forecast: Port Washington to North Point Light WI (LMZ644)

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