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

7NM NE Lewes DE

Marine Point Forecast

[NOTICE]
  • Tonight

    Heavy Rain

    SW 8kt
    1ft

    Low: 79 °F

  • Monday

    Severe Thunderstorms

    Winds IncreasingSSW 12kt
    1-2ft

    High: 88 °F

  • Monday
    Night

    Severe Thunderstorms

    W 16kt
    3-4ft

    Low: 76 °F

  • Tuesday

    Heavy Rain

    NW 17ktWinds Decreasing
    2-3ft

    High: 78 °F

  • Tuesday
    Night

    Showers Likely

    NNW 9kt
    1-2ft

    Low: 71 °F

  • Wednesday

    Slight Chc Showers

    NNE 11kt
    1-2ft

    High: 80 °F

  • Wednesday
    Night

    Partly Cloudy

    Winds IncreasingN 7kt
    1ft

    Low: 72 °F

  • Thursday

    Sunny

    N 8ktWinds Decreasing
    1ft

    High: 81 °F

  • Thursday
    Night

    Mostly Clear

    SSE 8ktWinds Decreasing
    1-2ft

    Low: 73 °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
SW wind 6 to 8 kt. A chance of showers and thunderstorms. Some of the storms could produce gusty winds and heavy rain. Seas around 1 ft.
Monday
Variable winds less than 5 kt becoming SSW 7 to 12 kt in the morning. A chance of showers and thunderstorms, mainly after 3pm. Some storms could be severe, with damaging winds and heavy rain. Seas 1 to 2 ft.
Monday Night
W wind 14 to 16 kt becoming SW in the evening. Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am. Some storms could be severe, with damaging winds and heavy rain. Seas 3 to 4 ft.
Tuesday
NW wind 14 to 17 kt becoming N 9 to 12 kt in the afternoon. Winds could gust as high as 23 kt. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Seas 2 to 3 ft.
Tuesday Night
W wind 7 to 9 kt becoming NNW after midnight. Showers likely, mainly before 8pm. Seas 1 to 2 ft.
Wednesday
NNE wind 6 to 11 kt becoming N in the afternoon. A slight chance of showers before 8am. Seas 1 to 2 ft.
Wednesday Night
Variable winds less than 5 kt becoming N 5 to 7 kt after midnight. Partly cloudy. Seas around 1 ft.
Thursday
N wind 5 to 8 kt becoming variable and less than 5 kt in the afternoon. Sunny. Seas around 1 ft.
Thursday Night
SSE wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 to 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: 38.87°N 75.02°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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