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Philadelphia, PA Local Forecast Office

20NM NNW Lewes DE

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:W wind 5 to 10 kt becoming NNW after midnight. Mostly clear. Waves around 1 ft.

      Low: 72 °F

      W 10kt
      1ft

    • Independence Day

      Independence Day:NNW wind around 10 kt. Sunny. Waves around 1 ft.

      High: 81 °F

      NNW 10kt
      1ft

    • Friday Night

      Friday Night:WNW wind 5 to 10 kt becoming N after midnight. Mostly clear. Waves around 1 ft.

      Low: 71 °F

      WNW 10kt
      1ft

    • Saturday

      Saturday:Variable winds 5 kt or less. Sunny. Waves around 1 ft.

      High: 80 °F

      Light Wind
      1ft

    • Saturday Night

      Saturday Night:S wind 5 to 10 kt. Partly cloudy. Waves around 1 ft.

      Low: 70 °F

      S 10kt
      1ft

    • Sunday

      Sunday:S wind 5 to 10 kt becoming SSE in the afternoon. Sunny. Waves around 1 ft.

      High: 80 °F

      SSE 10kt
      1ft

    • Sunday Night

      Sunday Night:S wind around 10 kt. Partly cloudy. Waves 1 to 2 ft.

      Low: 74 °F

      S 10kt
      1-2ft

    • Monday

      Monday:SSE wind 5 to 10 kt. A chance of showers, with thunderstorms also possible after 2pm.   Waves around 1 ft.

      High: 82 °F

      SSE 10kt
      1ft

    • Monday Night

      Monday Night:SSE wind around 10 kt becoming SSW after midnight. A chance of thunderstorms before 8pm, then a chance of showers after 2am.   Waves around 1 ft.

      Low: 75 °F

      SSE 10kt
      1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 10:47 pm EDT Jul 3, 2025
Forecast Valid: 10pm EDT Jul 3, 2025-6pm EDT Jul 10, 2025

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Detailed Forecast


Tonight
W wind 5 to 10 kt becoming NNW after midnight. Mostly clear. Waves around 1 ft.
Independence Day
NNW wind around 10 kt. Sunny. Waves around 1 ft.
Friday Night
WNW wind 5 to 10 kt becoming N after midnight. Mostly clear. Waves around 1 ft.
Saturday
Variable winds 5 kt or less. Sunny. Waves around 1 ft.
Saturday Night
S wind 5 to 10 kt. Partly cloudy. Waves around 1 ft.
Sunday
S wind 5 to 10 kt becoming SSE in the afternoon. Sunny. Waves around 1 ft.
Sunday Night
S wind around 10 kt. Partly cloudy. Waves 1 to 2 ft.
Monday
SSE wind 5 to 10 kt. A chance of showers, with thunderstorms also possible after 2pm. Waves around 1 ft.
Monday Night
SSE wind around 10 kt becoming SSW after midnight. A chance of thunderstorms before 8pm, then a chance of showers after 2am. 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: 39.1°N 75.26°W
Last Update: 10:47 pm EDT Jul 3, 2025
Forecast Valid: 10pm EDT Jul 3, 2025-6pm EDT Jul 10, 2025
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