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Philadelphia, PA Local Forecast Office

20NM NNW Lewes DE

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:W wind 10 to 15 km/h becoming NNW after midnight. Isolated showers and thunderstorms before 8pm.   Waves 1 m or less.

      Low: 22 °C

      W 15km/h
      < 1m

    • Independence Day

      Independence Day:NNW wind around 15 km/h. Sunny. Waves 1 m or less.

      High: 27 °C

      NNW 15km/h
      < 1m

    • Friday Night

      Friday Night:WNW wind 12 to 15 km/h becoming N 10 to 13 km/h after midnight. Mostly clear. Waves 1 m or less.

      Low: 22 °C

      WNW 15km/h⇓
      < 1m

    • Saturday

      Saturday:NNE wind 5 to 8 km/h becoming SSE 7 to 10 km/h in the afternoon. Sunny. Waves 1 m or less.

      High: 27 °C

      ⇑SSE 10km/h
      < 1m

    • Saturday Night

      Saturday Night:S wind 17 to 20 km/h decreasing to 15 to 18 km/h after midnight. Partly cloudy. Waves 1 m or less.

      Low: 21 °C

      S 20km/h⇓
      < 1m

    • Sunday

      Sunday:S wind 10 to 13 km/h becoming SSE 12 to 15 km/h in the afternoon. Sunny. Waves 1 m or less.

      High: 27 °C

      ⇑SSE 15km/h
      < 1m

    • Sunday Night

      Sunday Night:S wind 20 to 25 km/h decreasing to 15 to 20 km/h after midnight. Partly cloudy. Waves 1 m or less.

      Low: 23 °C

      S 25km/h⇓
      < 1m

    • Monday

      Monday:SSE wind around 15 km/h. A chance of showers, with thunderstorms also possible after 2pm.   Waves 1 m or less.

      High: 28 °C

      SSE 15km/h
      < 1m

    • Monday Night

      Monday Night:SSE wind 15 to 20 km/h becoming SSW after midnight. A chance of thunderstorms before 8pm, then a chance of showers after 2am.   Waves 1 m or less.

      Low: 24 °C

      SSE 20km/h
      < 1m


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 7:30 pm EDT Jul 3, 2025
Forecast Valid: 7pm EDT Jul 3, 2025-6pm EDT Jul 10, 2025

View Nearby Observations

Detailed Forecast


Tonight
W wind 10 to 15 km/h becoming NNW after midnight. Isolated showers and thunderstorms before 8pm. Waves 1 m or less.
Independence Day
NNW wind around 15 km/h. Sunny. Waves 1 m or less.
Friday Night
WNW wind 12 to 15 km/h becoming N 10 to 13 km/h after midnight. Mostly clear. Waves 1 m or less.
Saturday
NNE wind 5 to 8 km/h becoming SSE 7 to 10 km/h in the afternoon. Sunny. Waves 1 m or less.
Saturday Night
S wind 17 to 20 km/h decreasing to 15 to 18 km/h after midnight. Partly cloudy. Waves 1 m or less.
Sunday
S wind 10 to 13 km/h becoming SSE 12 to 15 km/h in the afternoon. Sunny. Waves 1 m or less.
Sunday Night
S wind 20 to 25 km/h decreasing to 15 to 20 km/h after midnight. Partly cloudy. Waves 1 m or less.
Monday
SSE wind around 15 km/h. A chance of showers, with thunderstorms also possible after 2pm. Waves 1 m or less.
Monday Night
SSE wind 15 to 20 km/h becoming SSW after midnight. A chance of thunderstorms before 8pm, then a chance of showers after 2am. Waves 1 m or less.

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: 7:30 pm EDT Jul 3, 2025
Forecast Valid: 7pm EDT Jul 3, 2025-6pm EDT Jul 10, 2025
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