Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

For More Weather Information:

Philadelphia, PA Local Forecast Office

20NM NNW Lewes DE

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:WSW wind 5 to 8 kt becoming N 15 to 20 kt after midnight. Increasing clouds. Waves 1 to 2 ft.

      Low: 31 °F

      ⇑N 20kt
      1-2ft

      Small Craft Advisory
      Small Craft Advisory

    • Monday

      Monday:NNE wind 17 to 20 kt decreasing to 15 to 18 kt in the afternoon. Mostly cloudy. Waves 2 to 3 ft.

      High: 34 °F

      NNE 20kt⇓
      2-3ft

      Small Craft Advisory
      Small Craft Advisory

    • Monday Night

      Monday Night:NNE wind 12 to 15 kt decreasing to 10 to 13 kt after midnight. Mostly cloudy, then gradually becoming mostly clear. Waves 1 to 2 ft.

      Low: 27 °F

      NNE 15kt⇓
      1-2ft

    • Tuesday

      Tuesday:SSE wind 5 to 8 kt becoming SSW 7 to 10 kt in the afternoon. Mostly sunny. Waves around 1 ft.

      High: 40 °F

      ⇑SSW 10kt
      1ft

    • Tuesday Night

      Tuesday Night:SW wind 15 to 20 kt. Mostly cloudy. Waves 1 to 2 ft.

      Low: 37 °F

      SW 20kt
      1-2ft

    • Wednesday

      Wednesday:SSW wind 20 to 25 kt. A chance of rain, mainly after 1pm.   Waves 2 to 3 ft.

      High: 49 °F

      SSW 25kt
      2-3ft

    • Wednesday Night

      Wednesday Night:SW wind 20 to 25 kt becoming W after midnight. Mostly cloudy. Waves around 3 ft.

      Low: 40 °F

      SW 25kt
      3ft

    • Thursday

      Thursday:WNW wind 17 to 20 kt decreasing to 15 to 18 kt in the afternoon. Mostly sunny. Waves around 2 ft.

      High: 44 °F

      WNW 20kt⇓
      2ft

    • Thursday Night

      Thursday Night:WNW wind around 10 kt. A chance of rain.   Waves around 1 ft.

      Low: 34 °F

      WNW 10kt
      1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:10 pm EST Dec 7, 2025
Forecast Valid: 5pm EST Dec 7, 2025-6pm EST Dec 14, 2025

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM EST MONDAY THROUGH

Tonight
WSW wind 5 to 8 kt becoming N 15 to 20 kt after midnight. Increasing clouds. Waves 1 to 2 ft.
Monday
NNE wind 17 to 20 kt decreasing to 15 to 18 kt in the afternoon. Mostly cloudy. Waves 2 to 3 ft.
Monday Night
NNE wind 12 to 15 kt decreasing to 10 to 13 kt after midnight. Mostly cloudy, then gradually becoming mostly clear. Waves 1 to 2 ft.
Tuesday
SSE wind 5 to 8 kt becoming SSW 7 to 10 kt in the afternoon. Mostly sunny. Waves around 1 ft.
Tuesday Night
SW wind 15 to 20 kt. Mostly cloudy. Waves 1 to 2 ft.
Wednesday
SSW wind 20 to 25 kt. A chance of rain, mainly after 1pm. Waves 2 to 3 ft.
Wednesday Night
SW wind 20 to 25 kt becoming W after midnight. Mostly cloudy. Waves around 3 ft.
Thursday
WNW wind 17 to 20 kt decreasing to 15 to 18 kt in the afternoon. Mostly sunny. Waves around 2 ft.
Thursday Night
WNW wind around 10 kt. A chance of rain. Waves around 1 ft.

*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.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

Point Forecast: 39.1°N 75.26°W
Last Update: 4:10 pm EST Dec 7, 2025
Forecast Valid: 5pm EST Dec 7, 2025-6pm EST Dec 14, 2025
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data