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Philadelphia, PA Local Forecast Office

20NM NNW Lewes DE

Marine Point Forecast

[NOTICE]
    • Monday

      Monday:NW wind 35 to 40 km/h becoming WNW 25 to 30 km/h. Winds could gust as high as 50 km/h. Widespread freezing spray before 11am. Sunny. Waves around 1 m.

      High: -1 °C

      NW 40km/h⇓
      1m

      Gale Warning
      Gale Warning

    • Monday Night

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

      Low: -2 °C

      WSW 20km/h
      < 1m

    • Tuesday

      Tuesday:NW wind 10 to 15 km/h becoming WSW 5 to 8 km/h in the afternoon. Sunny. Waves 1 m or less.

      High: 2 °C

      NW 15km/h⇓
      < 1m

    • Tuesday Night

      Tuesday Night:SSW wind 10 to 15 km/h increasing to 20 to 25 km/h. Partly cloudy. Waves 1 m or less.

      Low: 0 °C

      ⇑SSW 25km/h
      < 1m

    • Wednesday

      Wednesday:WSW wind 20 to 25 km/h decreasing to 15 to 20 km/h in the afternoon. Mostly sunny. Waves 1 m or less.

      High: 7 °C

      WSW 25km/h⇓
      < 1m

    • Wednesday Night

      Wednesday Night:W wind 12 to 15 km/h becoming N 10 to 13 km/h after midnight. Partly cloudy. Waves 1 m or less.

      Low: 3 °C

      W 15km/h⇓
      < 1m

    • Thursday

      Thursday:ESE wind 10 to 15 km/h becoming S 20 to 25 km/h. Winds could gust as high as 40 km/h. Partly sunny. Waves 1 m or less.

      High: 12 °C

      ⇑S 25km/h
      < 1m

    • Thursday Night

      Thursday Night:S wind 40 to 45 km/h increasing to 60 to 65 km/h. Rain.   Waves around 1 m.

      Low: 4 °C

      ⇑S 65km/h
      1m

    • Friday

      Friday:W wind 60 to 65 km/h becoming WNW 50 to 55 km/h in the afternoon. A chance of rain.   Waves around 1 m.

      High: 9 °C

      W 65km/h⇓
      1m


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:10 pm EST Dec 14, 2025
Forecast Valid: 3am EST Dec 15, 2025-6pm EST Dec 21, 2025

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Detailed Forecast

...GALE WARNING IN EFFECT THROUGH MONDAY MORNING...

Monday
NW wind 35 to 40 km/h becoming WNW 25 to 30 km/h. Winds could gust as high as 50 km/h. Widespread freezing spray before 11am. Sunny. Waves around 1 m.
Monday Night
WSW wind around 20 km/h. Partly cloudy. Waves 1 m or less.
Tuesday
NW wind 10 to 15 km/h becoming WSW 5 to 8 km/h in the afternoon. Sunny. Waves 1 m or less.
Tuesday Night
SSW wind 10 to 15 km/h increasing to 20 to 25 km/h. Partly cloudy. Waves 1 m or less.
Wednesday
WSW wind 20 to 25 km/h decreasing to 15 to 20 km/h in the afternoon. Mostly sunny. Waves 1 m or less.
Wednesday Night
W wind 12 to 15 km/h becoming N 10 to 13 km/h after midnight. Partly cloudy. Waves 1 m or less.
Thursday
ESE wind 10 to 15 km/h becoming S 20 to 25 km/h. Winds could gust as high as 40 km/h. Partly sunny. Waves 1 m or less.
Thursday Night
S wind 40 to 45 km/h increasing to 60 to 65 km/h. Rain. Waves around 1 m.
Friday
W wind 60 to 65 km/h becoming WNW 50 to 55 km/h in the afternoon. A chance of rain. Waves around 1 m.

*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: 4:10 pm EST Dec 14, 2025
Forecast Valid: 3am EST Dec 15, 2025-6pm EST Dec 21, 2025
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