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Philadelphia, PA Local Forecast Office

20NM NE Lewes DE

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:Variable winds 5 kt or less. Rain likely, mainly before 5am.  Widespread dense fog, mainly between midnight and 1am.  Seas 1 ft or less.

      Low: 39 °F

      Light Wind
      < 1ft

    • Friday

      Friday:NE wind 5 to 10 kt. A chance of rain before 7am.  Areas of fog before noon.  Seas 1 ft or less.

      High: 42 °F

      NE 10kt
      < 1ft

    • Friday Night

      Friday Night:Variable winds 5 kt or less. A chance of rain after 1am.  Patchy dense fog.  Seas 1 ft or less.

      Low: 38 °F

      Light Wind
      < 1ft

    • Saturday

      Saturday:E wind 5 to 10 kt becoming S in the afternoon. A slight chance of showers.  Areas of dense fog.  Seas 1 ft or less.

      High: 51 °F

      S 10kt
      < 1ft

    • Saturday Night

      Saturday Night:S wind around 10 kt. Showers likely, mainly after 1am.  Patchy dense fog.  Seas 1 ft or less.

      Low: 46 °F

      S 10kt
      < 1ft

    • Sunday

      Sunday:Variable winds 5 kt or less. A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm.  Patchy dense fog.  Seas 1 ft or less.

      High: 54 °F

      Light Wind
      < 1ft

    • Sunday Night

      Sunday Night:Variable winds 5 kt or less. A chance of showers before 1am.  Patchy dense fog.  Seas 1 ft or less.

      Low: 43 °F

      Light Wind
      < 1ft

    • Monday

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

      High: 51 °F

      Light Wind
      < 1ft

    • Monday Night

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

      Low: 45 °F

      Light Wind
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:09 pm EST Mar 5, 2026
Forecast Valid: 4pm EST Mar 5, 2026-6pm EDT Mar 12, 2026

View Nearby Observations

Detailed Forecast

...DENSE FOG ADVISORY IN EFFECT UNTIL 6 AM EST FRIDAY...

Tonight
Variable winds 5 kt or less. Rain likely, mainly before 5am. Widespread dense fog, mainly between midnight and 1am. Seas 1 ft or less.
Friday
NE wind 5 to 10 kt. A chance of rain before 7am. Areas of fog before noon. Seas 1 ft or less.
Friday Night
Variable winds 5 kt or less. A chance of rain after 1am. Patchy dense fog. Seas 1 ft or less.
Saturday
E wind 5 to 10 kt becoming S in the afternoon. A slight chance of showers. Areas of dense fog. Seas 1 ft or less.
Saturday Night
S wind around 10 kt. Showers likely, mainly after 1am. Patchy dense fog. Seas 1 ft or less.
Sunday
Variable winds 5 kt or less. A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Patchy dense fog. Seas 1 ft or less.
Sunday Night
Variable winds 5 kt or less. A chance of showers before 1am. Patchy dense fog. Seas 1 ft or less.
Monday
Variable winds 5 kt or less. Partly sunny. Seas 1 ft or less.
Monday Night
Variable winds 5 kt or less. Mostly cloudy. 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: 4:09 pm EST Mar 5, 2026
Forecast Valid: 4pm EST Mar 5, 2026-6pm EDT Mar 12, 2026
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