Heavy Rain From the Central Plains to the Mid-Atlantic; Heat Wave Begins This Weekend

Strong to severe thunderstorms and heavy rain will impact portions of the central Plains into the Upper Midwest and the Mid-Atlantic through the weekend. A stretch of unusually hot and humid weather is expected across portions of the central U.S. and the Southeast beginning this weekend and continuing through next week. The heat may reach dangerous levels, particularly mid to late next week. Read More >

For More Weather Information:

Philadelphia, PA Local Forecast Office

17NM N Lewes DE

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:Variable winds 5 kt or less. A slight chance of showers and thunderstorms after 3am.   Waves around 1 ft.

      Low: 74 °F

      Light Wind
      1ft

    • Saturday

      Saturday:ESE wind 5 to 10 kt. A chance of showers and thunderstorms.   Waves around 1 ft.

      High: 79 °F

      ESE 10kt
      1ft

    • Saturday Night

      Saturday Night:SSE wind 5 to 10 kt becoming SW after midnight. A chance of showers and thunderstorms.   Waves around 1 ft.

      Low: 75 °F

      SSE 10kt
      1ft

    • Sunday

      Sunday:Variable winds 5 kt or less. A chance of showers, with thunderstorms also possible after 8am.   Waves around 1 ft.

      High: 85 °F

      Light Wind
      1ft

    • Sunday Night

      Sunday Night:WNW wind around 10 kt becoming N after midnight. Partly cloudy. Waves around 1 ft.

      Low: 72 °F

      NNW 10kt
      1ft

    • Monday

      Monday:N wind 5 to 10 kt becoming NW in the afternoon. Sunny. Waves around 1 ft.

      High: 81 °F

      N 10kt
      1ft

    • Monday Night

      Monday Night:NNW wind around 10 kt becoming NE after midnight. Mostly clear. Waves around 1 ft.

      Low: 69 °F

      NNW 10kt
      1ft

    • Tuesday

      Tuesday:NNE wind 5 to 10 kt becoming ESE in the afternoon. Sunny. Waves around 1 ft.

      High: 78 °F

      NNE 10kt
      1ft

    • Tuesday Night

      Tuesday Night:SSE wind 5 to 10 kt. Mostly clear. Waves around 1 ft.

      Low: 72 °F

      SSE 10kt
      1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:10 pm EDT Jul 18, 2025
Forecast Valid: 7pm EDT Jul 18, 2025-6pm EDT Jul 25, 2025

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Detailed Forecast


Tonight
Variable winds 5 kt or less. A slight chance of showers and thunderstorms after 3am. Waves around 1 ft.
Saturday
ESE wind 5 to 10 kt. A chance of showers and thunderstorms. Waves around 1 ft.
Saturday Night
SSE wind 5 to 10 kt becoming SW after midnight. A chance of showers and thunderstorms. Waves around 1 ft.
Sunday
Variable winds 5 kt or less. A chance of showers, with thunderstorms also possible after 8am. Waves around 1 ft.
Sunday Night
WNW wind around 10 kt becoming N after midnight. Partly cloudy. Waves around 1 ft.
Monday
N wind 5 to 10 kt becoming NW in the afternoon. Sunny. Waves around 1 ft.
Monday Night
NNW wind around 10 kt becoming NE after midnight. Mostly clear. Waves around 1 ft.
Tuesday
NNE wind 5 to 10 kt becoming ESE in the afternoon. Sunny. Waves around 1 ft.
Tuesday Night
SSE wind 5 to 10 kt. Mostly clear. Waves around 1 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: 39.07°N 75.18°W
Last Update: 4:10 pm EDT Jul 18, 2025
Forecast Valid: 7pm EDT Jul 18, 2025-6pm EDT Jul 25, 2025
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