Severe Thunderstorms With Heavy Rain Possible In The Upper Midwest; Excessive Heat For Central U.S.

Several rounds of strong to severe thunderstorms will be possible from the northern Plains and upper Midwest to the Great Lakes through Friday. Damaging winds, large hail, and flooding will be the primary threats with these storms. Excessive heat will grip the central Plains with heat indices approaching 105 to 110 degrees. Very hot and humid conditions are likely to expand into the Mid Atlantic.
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Coastal Waters Forecast for Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm (PZZ156) (Text-Only)
NWS Forecast for: Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm (PZZ156)
Issued by: National Weather Service Seattle, WA
Last Update: 239 AM PDT Fri Jul 21 2017


Today: S wind to 10 kt. Wind waves 1 ft. SW swell 2 ft at 13 seconds.

Tonight: S wind to 10 kt becoming SE 5 to 15 kt after midnight. Wind waves 1 to 2 ft. SW swell 2 ft at 12 seconds. A chance of rain.

Sat: S wind to 10 kt becoming NW in the afternoon. Wind waves 1 ft. W swell 4 ft at 7 seconds. A chance of rain in the morning. A slight chance of rain in the afternoon.

Sat Night: NW wind 5 to 15 kt becoming N 15 to 25 kt after midnight. Wind waves 1 to 2 ft building to 3 to 5 ft. W swell 4 ft at 7 seconds.

Sun: N wind 15 to 25 kt becoming NW 15 to 20 kt in the afternoon. Wind waves 2 to 4 ft. W swell 5 ft at 8 seconds.

Sun Night: NW wind 20 to 25 kt easing to 5 to 15 kt after midnight. Wind waves 3 to 5 ft subsiding to 1 to 2 ft. NW swell 7 ft at 6 seconds.

Mon: NW wind 5 to 15 kt rising to 15 to 25 kt. Wind waves 1 to 2 ft building to 2 to 4 ft. W swell 6 ft.

Tue: NW wind 5 to 15 kt. Wind waves 1 to 2 ft. NW swell 5 ft.



Zone Forecast: Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm (PZZ156)

Visit your local NWS office at: http://www.wrh.noaa.gov/sew