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: 359 PM EDT Wed Jul 17 2019

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New York, NY Local Forecast Office

21NM SE New York NY

Marine Zone Forecast

...SEVERE THUNDERSTORM WATCH 516 IN EFFECT UNTIL 10 PM EDT THIS

Synopsis: ANZ300-180830- 359 PM EDT Wed Jul 17 2019 .Synopsis for the Long Island Waters and New York Harbor... A cold front and the remnant low of Barry then approach and slowly move through the region tonight and Thursday. The cold front then moves through late Thursday. High pressure will then remain centered over the Southeast into the weekend. Another weak cold front moves slowly through the area Saturday night, followed by a stronger cold front on Monday. $$

Tonight
SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight, then becoming SW late. Seas 2 to 4 ft. Tstms this evening. Showers. Slight chance of tstms after midnight. Vsby 1 to 3 nm.
Thu
SE winds 5 to 10 kt. Seas 2 to 3 ft. Chance of showers in the morning, then showers likely in the afternoon. Vsby 1 to 3 nm.
Thu Night
SE winds 5 to 10 kt, becoming N after midnight. Seas around 3 ft. Chance of showers in the evening.
Fri
NW winds around 5 kt, becoming S in the afternoon. Seas around 3 ft.
Fri Night
SW winds 10 to 15 kt. Seas around 3 ft.
Sat
SW winds 5 to 10 kt. Seas 2 to 3 ft.
Sat Night
SW winds 10 to 15 kt, becoming W 5 to 10 kt after midnight. Seas around 3 ft.
Sun
W winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 to 3 ft.
Sun Night
SW winds 5 to 10 kt. Seas 2 to 3 ft. Chance of showers and tstms.
Mon
SW winds 5 to 10 kt. Seas 2 to 3 ft. Chance of showers and tstms.
Mon Night
W winds 5 to 10 kt, becoming NW after midnight. Seas 2 to 3 ft. Chance of showers and tstms. winds and seas higher in and near tstms.
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Last Update: 359 PM EDT Wed Jul 17 2019
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