Excessive Heat Continues today for Portions of Central and Eastern U.S.; Change in Weather Pattern this Week

Dangerous heat and humidity continues today from portions of the Plains to the East Coast. A cold front will bring lower temperatures, and potential for strong to severe thunderstorms with damaging winds and heavy rain that could produce flash flooding to the Central and Eastern U.S. through early this week. High pressure shifts West this week with building heat and monsoonal moisture.
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Hazardous Weather Conditions

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Philadelphia, PA Local Forecast Office

32NM S New York NY

Marine Point Forecast

[NOTICE]
  • Tonight

    Heavy Rain

    W 9kt
    2ft

    Low: 76 °F

  • Monday

    Severe Thunderstorms

    ENE 9kt
    2ft

    High: 82 °F

  • Monday
    Night

    Severe Thunderstorms

    NNW 14ktWinds Decreasing
    2-3ft

    Low: 72 °F

  • Tuesday

    Heavy Rain

    N 13ktWinds Decreasing
    2-3ft

    High: 76 °F

  • Tuesday
    Night

    Chance Showers

    Winds IncreasingNW 8kt
    2ft

    Low: 69 °F

  • Wednesday

    Mostly Sunny

    N 10kt
    2ft

    High: 78 °F

  • Wednesday
    Night

    Partly Cloudy

    Light Wind
    2ft

    Low: 69 °F

  • Thursday

    Sunny

    NNW 6ktWinds Decreasing
    1-2ft

    High: 79 °F

  • Thursday
    Night

    Mostly Clear

    S 8ktWinds Decreasing
    2ft

    Low: 70 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:42 pm EDT Jul 21, 2019
Forecast Valid: 8pm EDT Jul 21, 2019-6pm EDT Jul 28, 2019

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Detailed Forecast


Synopsis: Low pressure is expected to develop in the Ohio River Valley tonight before drifting eastward across northeastern Maryland, eastern Pennsylvania, Delaware, and New Jersey on Monday afternoon and Monday evening. As the low continues toward Nova Scotia on Tuesday, it is anticipated to pull a cold front slowly through our region. High pressure is forecast to build in from the west on Wednesday and Thursday. The center of the high is expected to slide off the coast next weekend but will still continue to influence our weather.

Tonight
W wind 6 to 9 kt becoming N after midnight. A chance of showers and thunderstorms. Some of the storms could produce gusty winds and heavy rain. Seas around 2 ft.
Monday
ENE wind 7 to 9 kt becoming SE in the afternoon. Showers and thunderstorms likely, mainly after 1pm. Some storms could be severe, with damaging winds and heavy rain. Seas around 2 ft.
Monday Night
NNW wind 11 to 14 kt becoming WNW 5 to 8 kt in the evening. Showers and thunderstorms before 2am, then showers and possibly a thunderstorm, mainly after 2am. Some storms could be severe, with damaging winds and heavy rain. Seas 2 to 3 ft.
Tuesday
N wind 10 to 13 kt decreasing to 7 to 10 kt in the afternoon. Showers and possibly a thunderstorm before 2pm, then a chance of showers. Some of the storms could produce heavy rainfall. Seas 2 to 3 ft.
Tuesday Night
Variable winds less than 5 kt becoming NW 5 to 8 kt after midnight. A chance of showers before 2am. Seas around 2 ft.
Wednesday
N wind 5 to 10 kt becoming NE in the afternoon. Mostly sunny. Seas around 2 ft.
Wednesday Night
Variable winds 5 kt or less. Partly cloudy. Seas around 2 ft.
Thursday
NNW wind around 6 kt becoming variable and less than 5 kt. Sunny. Seas 1 to 2 ft.
Thursday Night
S wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas around 2 ft.

Winds and seas higher in and near tstms.

*Notices:

  1. This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
  2. The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.
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ABOUT THIS FORECAST

Point Forecast: 40.18°N 73.98°W
Last Update: 6:42 pm EDT Jul 21, 2019
Forecast Valid: 8pm EDT Jul 21, 2019-6pm EDT Jul 28, 2019
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