Dangerous Heat and Humidity Building from the Plains to the East Coast

A strengthening ridge of high pressure will produce much above average temperatures from the Plains to the East Coast, a true summer heat wave. Highs in the 90s and triple digits combined w/ humidity and dewpoints surging into the upper 70s, if not low 80s, will create heat indices as high as 110 to 115 through this weekend. Air quality will likely be poor due to haze and little air circulation.
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Coastal Waters Forecast for Coastal waters from Cascade Head to Florence OR out 10 nm (PZZ255) (Text-Only)
NWS Forecast for: Coastal waters from Cascade Head to Florence OR out 10 nm (PZZ255)
Issued by: National Weather Service Portland, OR
Last Update: 243 AM PDT Thu Jul 18 2019




Today: N wind 10 to 15 kt. Gusts to 20 kt in the afternoon. wind waves N 3 ft at 4 seconds. NW swell 5 ft at 9 seconds. secondary swell SW 3 ft at 16 seconds. Chance of showers before sunrise.

Tonight: N wind 15 to 20 kt with gusts to 25 kt, easing to 10 to 15 kt with gusts to 20 kt after midnight. Wind waves N 4 ft at 5 seconds. NW swell 6 ft at 9 seconds.

Fri: N wind 10 kt with gusts to 20 kt, rising to 15 to 20 kt with gusts to 25 kt in the afternoon. Wind waves N 3 ft at 5 seconds. NW swell 5 ft at 9 seconds.

Fri Night: N wind 20 to 25 kt with gusts to 30 kt, easing to 15 to 20 kt with gusts to 25 kt after midnight. Wind waves N 5 ft at 7 seconds. NW swell 5 ft at 9 seconds.

Sat: N wind 15 to 20 kt. Gusts to 20 kt, becoming 25 kt in the afternoon. Wind waves N 4 ft at 6 seconds. NW swell 5 ft at 8 seconds.

Sat Night: N wind 15 to 20 kt. Gusts to 25 kt, becoming 20 kt after midnight. Wind waves N 4 ft at 6 seconds. NW swell 4 ft at 9 seconds.

Sun: N wind 10 to 15 kt. Wind waves 3 ft. W swell 4 ft.

Mon: N wind 10 to 15 kt. Wind waves 3 ft. NW swell 4 ft.



Zone Forecast: Coastal waters from Cascade Head to Florence OR out 10 nm (PZZ255)

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