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Philadelphia, PA Local Forecast Office

20NM NNW Lewes DE

Marine Point Forecast

[NOTICE]
    • Today

      Today:SW wind 10 to 15 km/h. Isolated showers and thunderstorms after 2pm.   Waves 1 m or less.

      High: 30 °C

      SW 15km/h
      < 1m

    • Tonight

      Tonight:SSW wind around 10 km/h. Mostly clear. Waves 1 m or less.

      Low: 24 °C

      SSW 10km/h
      < 1m

    • Monday

      Monday:SSW wind 5 to 8 km/h becoming S 10 to 15 km/h in the afternoon. A slight chance of showers and thunderstorms after 5pm.   Waves 1 m or less.

      High: 31 °C

      ⇑S 15km/h
      < 1m

    • Monday Night

      Monday Night:SW wind 15 to 20 km/h becoming W after midnight. A chance of showers and thunderstorms, mainly between 7pm and 2am.   Waves 1 m or less.

      Low: 24 °C

      SW 20km/h
      < 1m

    • Tuesday

      Tuesday:WNW wind 10 to 15 km/h. Showers likely and possibly a thunderstorm after 2pm.   Waves 1 m or less.

      High: 29 °C

      WNW 15km/h
      < 1m

    • Tuesday Night

      Tuesday Night:W wind around 15 km/h. Showers and thunderstorms likely before 11pm, then a chance of showers.   Waves 1 m or less.

      Low: 23 °C

      W 15km/h
      < 1m

    • Wednesday

      Wednesday:WNW wind 10 to 15 km/h decreasing to 5 to 10 km/h in the afternoon. Mostly sunny. Waves 1 m or less.

      High: 28 °C

      WNW 15km/h⇓
      < 1m

    • Wednesday Night

      Wednesday Night:SSW wind 10 to 15 km/h becoming WSW after midnight. A chance of showers and thunderstorms between 8pm and 2am.   Waves 1 m or less.

      Low: 23 °C

      WSW 15km/h
      < 1m

    • Thursday

      Thursday:W wind around 15 km/h, with gusts as high as 30 km/h. Mostly sunny. Waves 1 m or less.

      High: 29 °C

      W 15km/h
      < 1m


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:08 am EDT Aug 9, 2026
Forecast Valid: 6am EDT Aug 9, 2026-6pm EDT Aug 15, 2026

View Nearby Observations

Detailed Forecast


Today
SW wind 10 to 15 km/h. Isolated showers and thunderstorms after 2pm. Waves 1 m or less.
Tonight
SSW wind around 10 km/h. Mostly clear. Waves 1 m or less.
Monday
SSW wind 5 to 8 km/h becoming S 10 to 15 km/h in the afternoon. A slight chance of showers and thunderstorms after 5pm. Waves 1 m or less.
Monday Night
SW wind 15 to 20 km/h becoming W after midnight. A chance of showers and thunderstorms, mainly between 7pm and 2am. Waves 1 m or less.
Tuesday
WNW wind 10 to 15 km/h. Showers likely and possibly a thunderstorm after 2pm. Waves 1 m or less.
Tuesday Night
W wind around 15 km/h. Showers and thunderstorms likely before 11pm, then a chance of showers. Waves 1 m or less.
Wednesday
WNW wind 10 to 15 km/h decreasing to 5 to 10 km/h in the afternoon. Mostly sunny. Waves 1 m or less.
Wednesday Night
SSW wind 10 to 15 km/h becoming WSW after midnight. A chance of showers and thunderstorms between 8pm and 2am. Waves 1 m or less.
Thursday
W wind around 15 km/h, with gusts as high as 30 km/h. Mostly sunny. 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: 4:08 am EDT Aug 9, 2026
Forecast Valid: 6am EDT Aug 9, 2026-6pm EDT Aug 15, 2026
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