Tropical Storm Bertha in the Gulf; Severe Weather in the East on Tuesday

Tropical Storm Bertha could bring tropical storm conditions to portions of the Florida Panhandle and Alabama coast through Wednesday, where a Tropical Storm Watch and Storm Surge Watch is in effect. Numerous severe thunderstorms with heavy rainfall are expected from the Ohio Valley into the Mid-Atlantic and Northeast Tuesday. Read More >

For More Weather Information:

Philadelphia, PA Local Forecast Office

20NM NNW Lewes DE

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:SSE wind around 15 kt. A slight chance of showers and thunderstorms after 5am.   Waves around 2 ft.

      Low: 74 °F

      SSE 15kt
      2ft

    • Tuesday

      Tuesday:SSE wind 10 to 15 kt becoming SSW in the afternoon. A chance of showers and thunderstorms, mainly after 5pm.   Waves 1 to 2 ft.

      High: 84 °F

      S 15kt
      1-2ft

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday Night

      Tuesday Night:SSW wind 15 to 20 kt. Showers and possibly a thunderstorm.   Waves around 2 ft.

      Low: 74 °F

      SSW 20kt
      2ft

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday

      Wednesday:WSW wind 12 to 15 kt decreasing to 10 to 13 kt in the afternoon. Winds could gust as high as 20 kt. Showers and possibly a thunderstorm.   Waves around 2 ft.

      High: 83 °F

      WSW 15kt⇓
      2ft

    • Wednesday Night

      Wednesday Night:WSW wind 10 to 13 kt becoming NNW 12 to 15 kt after midnight. Showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am.   Waves 1 to 2 ft.

      Low: 70 °F

      ⇑NNW 15kt
      1-2ft

    • Thursday

      Thursday:N wind 10 to 15 kt decreasing to 5 to 10 kt in the afternoon. Sunny. Waves 1 to 2 ft.

      High: 78 °F

      N 15kt⇓
      1-2ft

    • Thursday Night

      Thursday Night:E wind 5 to 10 kt becoming NE after midnight. Mostly clear. Waves around 1 ft.

      Low: 69 °F

      E 10kt
      1ft

    • Friday

      Friday:NE wind 5 to 10 kt becoming E in the afternoon. Sunny. Waves around 1 ft.

      High: 78 °F

      NE 10kt
      1ft

    • Friday Night

      Friday Night:E wind 5 to 10 kt becoming ENE after midnight. Partly cloudy. Waves around 1 ft.

      Low: 69 °F

      E 10kt
      1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:08 pm EDT Jul 20, 2026
Forecast Valid: 9pm EDT Jul 20, 2026-6pm EDT Jul 27, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH

Tonight
SSE wind around 15 kt. A slight chance of showers and thunderstorms after 5am. Waves around 2 ft.
Tuesday
SSE wind 10 to 15 kt becoming SSW in the afternoon. A chance of showers and thunderstorms, mainly after 5pm. Waves 1 to 2 ft.
Tuesday Night
SSW wind 15 to 20 kt. Showers and possibly a thunderstorm. Waves around 2 ft.
Wednesday
WSW wind 12 to 15 kt decreasing to 10 to 13 kt in the afternoon. Winds could gust as high as 20 kt. Showers and possibly a thunderstorm. Waves around 2 ft.
Wednesday Night
WSW wind 10 to 13 kt becoming NNW 12 to 15 kt after midnight. Showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Waves 1 to 2 ft.
Thursday
N wind 10 to 15 kt decreasing to 5 to 10 kt in the afternoon. Sunny. Waves 1 to 2 ft.
Thursday Night
E wind 5 to 10 kt becoming NE after midnight. Mostly clear. Waves around 1 ft.
Friday
NE wind 5 to 10 kt becoming E in the afternoon. Sunny. Waves around 1 ft.
Friday Night
E wind 5 to 10 kt becoming ENE after midnight. Partly cloudy. 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: 4:08 pm EDT Jul 20, 2026
Forecast Valid: 9pm EDT Jul 20, 2026-6pm EDT Jul 27, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data