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 Cape Elizabeth, ME to Merrimack River, MA out 25 NM (ANZ154) (Text-Only)
NWS Forecast for: Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM (ANZ154)
Issued by: National Weather Service Gray/Portland, ME
Last Update: 342 AM EDT Thu Jul 18 2019
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Today: NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Patchy fog this morning with vsby 1 to 3 nm.

Tonight: NE winds 5 to 10 kt. Seas 2 to 3 ft.

Fri: E winds around 5 kt, becoming S 5 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft.

Fri Night: SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Areas of fog after midnight with vsby 1 to 3 nm.

Sat: SW winds 5 to 10 kt. Seas 2 to 3 ft. Areas of fog in the morning with vsby 1 to 3 nm.

Sat Night: W winds 5 to 10 kt. Seas 2 to 3 ft.

Sun: SW winds 5 to 10 kt. Seas 1 foot or less. A chance of showers and tstms.

Sun Night: W winds 5 to 10 kt. Seas around 2 ft.

Mon: NE winds around 5 kt. Seas around 2 ft. A chance of showers.

Mon Night: W winds 5 to 10 kt. Seas 1 foot or less. A chance of showers. winds and seas higher in and near tstms.



Zone Forecast: Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM (ANZ154)

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