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Philadelphia, PA Local Forecast Office

20NM NNW Lewes DE

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:SSW wind 20 to 25 km/h decreasing to 15 to 20 km/h after midnight. Mostly clear. Waves 1 m or less.

      Low: 17 °C

      SSW 25km/h⇓
      < 1m

    • Wednesday

      Wednesday:SW wind around 15 km/h. Sunny. Waves 1 m or less.

      High: 24 °C

      SW 15km/h
      < 1m

    • Wednesday Night

      Wednesday Night:S wind around 20 km/h. Partly cloudy. Waves 1 m or less.

      Low: 17 °C

      S 20km/h
      < 1m

    • Thursday

      Thursday:SW wind 10 to 15 km/h. Mostly sunny. Waves 1 m or less.

      High: 22 °C

      SW 15km/h
      < 1m

    • Thursday Night

      Thursday Night:S wind around 20 km/h becoming SW after midnight. Mostly cloudy. Waves around 1 m.

      Low: 17 °C

      S 20km/h
      1m

    • Friday

      Friday:W wind around 15 km/h. A chance of showers, mainly after 2pm.   Waves 1 m or less.

      High: 23 °C

      W 15km/h
      < 1m

    • Friday Night

      Friday Night:W wind 10 to 15 km/h becoming NW after midnight. A chance of showers before 8pm.   Waves 1 m or less.

      Low: 14 °C

      W 15km/h
      < 1m

    • Saturday

      Saturday:NNE wind 10 to 15 km/h becoming SE in the afternoon. Sunny. Waves 1 m or less.

      High: 19 °C

      SE 15km/h
      < 1m

    • Saturday Night

      Saturday Night:ESE wind around 25 km/h. Mostly cloudy. Waves 1 m or less.

      Low: 13 °C

      ESE 25km/h
      < 1m


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:09 pm EDT Apr 14, 2026
Forecast Valid: 6pm EDT Apr 14, 2026-6pm EDT Apr 21, 2026

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Detailed Forecast


Tonight
SSW wind 20 to 25 km/h decreasing to 15 to 20 km/h after midnight. Mostly clear. Waves 1 m or less.
Wednesday
SW wind around 15 km/h. Sunny. Waves 1 m or less.
Wednesday Night
S wind around 20 km/h. Partly cloudy. Waves 1 m or less.
Thursday
SW wind 10 to 15 km/h. Mostly sunny. Waves 1 m or less.
Thursday Night
S wind around 20 km/h becoming SW after midnight. Mostly cloudy. Waves around 1 m.
Friday
W wind around 15 km/h. A chance of showers, mainly after 2pm. Waves 1 m or less.
Friday Night
W wind 10 to 15 km/h becoming NW after midnight. A chance of showers before 8pm. Waves 1 m or less.
Saturday
NNE wind 10 to 15 km/h becoming SE in the afternoon. Sunny. Waves 1 m or less.
Saturday Night
ESE wind around 25 km/h. Mostly cloudy. Waves 1 m or less.

*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: 4:09 pm EDT Apr 14, 2026
Forecast Valid: 6pm EDT Apr 14, 2026-6pm EDT Apr 21, 2026
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