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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Last Update: 245 PM AKDT Wed Jul 17 2019

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Juneau, AK Local Forecast Office

157NM SW Cape Fairweather AK

Marine Zone Forecast


Synopsis: A broad area of low pressure is centered over the SE Gulf of Alaska Wed evening. It will slowly move SE. Strongest winds are likely to be from the W-NW along the southern outer coast through Thu.

Tonight
W wind 20 kt. Seas 6 ft or less then 7 ft. SW swell.
Thu
W wind 15 kt. Seas 7 ft. SW swell.
Thu Night
W wind 15 kt in the evening becoming variable less than 15 kt. Seas 6 ft or less. SW swell.
Fri
Wind variable less than 15 kt. Seas 6 ft or less. SW swell.
Fri Night
Wind variable less than 15 kt. Seas 6 ft or less. W swell in the evening.
Sat
Wind variable less than 15 kt. Seas 6 ft or less.
Sun
Wind variable less than 15 kt. Seas 6 ft or less.
Mon
Wind variable less than 15 kt. Seas 6 ft or less.
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ABOUT THIS FORECAST

Last Update: 245 PM AKDT Wed Jul 17 2019
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