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Philadelphia, PA Local Forecast Office

20NM NE Lewes DE

Marine Point Forecast

[NOTICE]
    • Today

      Today:S wind 15 to 20 kt increasing to 20 to 25 kt in the afternoon. Winds could gust as high as 35 kt. Showers and thunderstorms before 4pm, then showers and possibly a thunderstorm, mainly after 4pm. Some of the storms could be severe and produce heavy rainfall.   Seas around 1 ft.

      High: 55 °F

      ⇑S 25kt
      1ft

    • Tonight

      Tonight:S wind 22 to 25 kt becoming W 20 to 23 kt after midnight. Winds could gust as high as 45 kt. Showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Some of the storms could be severe and produce heavy rainfall.   Seas 1 to 2 ft.

      Low: 33 °F

      S 25kt⇓
      1-2ft

    • Tuesday

      Tuesday:W wind 15 to 20 kt, with gusts as high as 30 kt. Sunny. Seas around 1 ft.

      High: 41 °F

      W 20kt
      1ft

    • Tuesday Night

      Tuesday Night:NW wind 12 to 15 kt decreasing to 10 to 13 kt after midnight. Winds could gust as high as 20 kt. Partly cloudy. Seas around 1 ft.

      Low: 28 °F

      NW 15kt⇓
      1ft

    • Wednesday

      Wednesday:Variable winds 5 kt or less. Partly sunny. Seas 1 ft or less.

      High: 38 °F

      Light Wind
      < 1ft

    • Wednesday Night

      Wednesday Night:Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.

      Low: 33 °F

      Light Wind
      < 1ft

    • Thursday

      Thursday:Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.

      High: 44 °F

      Light Wind
      < 1ft

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.

      Low: 38 °F

      Light Wind
      < 1ft

    • Friday

      Friday:Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.

      High: 49 °F

      Light Wind
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:12 am EDT Mar 16, 2026
Forecast Valid: 5am EDT Mar 16, 2026-6pm EDT Mar 22, 2026

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Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS

Today
S wind 15 to 20 kt increasing to 20 to 25 kt in the afternoon. Winds could gust as high as 35 kt. Showers and thunderstorms before 4pm, then showers and possibly a thunderstorm, mainly after 4pm. Some of the storms could be severe and produce heavy rainfall. Seas around 1 ft.
Tonight
S wind 22 to 25 kt becoming W 20 to 23 kt after midnight. Winds could gust as high as 45 kt. Showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Some of the storms could be severe and produce heavy rainfall. Seas 1 to 2 ft.
Tuesday
W wind 15 to 20 kt, with gusts as high as 30 kt. Sunny. Seas around 1 ft.
Tuesday Night
NW wind 12 to 15 kt decreasing to 10 to 13 kt after midnight. Winds could gust as high as 20 kt. Partly cloudy. Seas around 1 ft.
Wednesday
Variable winds 5 kt or less. Partly sunny. Seas 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.
Thursday
Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.
Thursday Night
Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.
Friday
Variable winds 5 kt or less. Mostly sunny. Seas 1 ft 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°N 74.82°W
Last Update: 4:12 am EDT Mar 16, 2026
Forecast Valid: 5am EDT Mar 16, 2026-6pm EDT Mar 22, 2026
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