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Philadelphia, PA Local Forecast Office

7NM NE Lewes DE

Marine Point Forecast

[NOTICE]

Tonight
Low: 54 °F
SSE 15kt
2ft
Sunday
High: 61 °F
⇑NW 25kt
4ft

Small Craft Advisory
Sunday Night
Low: 47 °F
NW 10kt
2-3ft
Monday
High: 54 °F
NW 15kt
2ft
Monday Night
Low: 40 °F
N 15kt
2ft
Tuesday
High: 52 °F
N 10kt
1-2ft
Tuesday Night
Low: 46 °F
S 20kt
2ft
Wednesday
High: 62 °F
SW 15kt⇓
2ft
Wednesday Night
Low: 51 °F
WSW 10kt
1-2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:11 pm EDT Apr 18, 2026
Forecast Valid: 7pm EDT Apr 18, 2026-6pm EDT Apr 25, 2026

View Nearby Observations

Detailed Forecast

...DENSE FOG ADVISORY IN EFFECT UNTIL 1 AM EDT SUNDAY...

Tonight

ESE wind around 15 kt becoming S after midnight. Winds could gust as high as 20 kt. Areas of fog before 3am, then Patchy fog after 4am. Seas around 2 ft.

Sunday

W wind 20 to 23 kt becoming NW 22 to 25 kt in the morning. Winds could gust as high as 30 kt. Showers likely, mainly between 10am and 2pm. Seas 2 ft building to 4 ft.

Sunday Night

NW wind 5 to 10 kt. Mostly clear. Seas 2 to 3 ft.

Monday

NW wind around 15 kt, with gusts as high as 20 kt. A slight chance of showers. Seas around 2 ft.

Monday Night

N wind around 15 kt. Mostly clear. Seas around 2 ft.

Tuesday

N wind 5 to 10 kt becoming WSW in the afternoon. Sunny. Seas 1 to 2 ft.

Tuesday Night

S wind 15 to 20 kt. Mostly clear. Seas around 2 ft.

Wednesday

SW wind 12 to 15 kt decreasing to 10 to 13 kt in the afternoon. Winds could gust as high as 20 kt. A chance of showers. Seas around 2 ft.

Wednesday Night

WSW wind around 10 kt becoming NNE after midnight. Partly cloudy. Seas 1 to 2 ft.

*Notices:

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.
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.