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Philadelphia, PA Local Forecast Office

19NM NNE Lewes DE

Marine Point Forecast

[NOTICE]

Tonight
Low: 74 °F
WSW 15kt
2ft
Sunday
High: 80 °F
NW 15kt
2ft
Sunday Night
Low: 70 °F
NNE 10kt
1ft
Monday
High: 80 °F
Light Wind
1ft
Monday Night
Low: 73 °F
SSE 10kt
1ft
Tuesday
High: 81 °F
S 15kt
1-2ft
Tuesday Night
Low: 75 °F
⇑SSW 25kt
2-3ft
Wednesday
High: 81 °F
WSW 20kt⇓
3ft
Wednesday Night
Low: 69 °F
WSW 15kt
2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 7:58 pm EDT Jul 18, 2026
Forecast Valid: 8pm EDT Jul 18, 2026-6pm EDT Jul 25, 2026

View Nearby Observations

Detailed Forecast

Tonight

WSW wind around 15 kt. Showers and thunderstorms, mainly before 11pm. Some of the storms could produce heavy rainfall. Waves around 2 ft.

Sunday

NW wind 10 to 15 kt. Partly sunny, then gradually becoming sunny. Waves around 2 ft.

Sunday Night

NNE wind 5 to 10 kt becoming ENE in the evening. Mostly clear. Waves around 1 ft.

Monday

Variable winds 5 kt or less. Sunny. Waves around 1 ft.

Monday Night

SSE wind around 10 kt. A chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Waves around 1 ft.

Tuesday

S wind 10 to 15 kt, with gusts as high as 20 kt. Showers and thunderstorms likely, then showers and possibly a thunderstorm after 11am. Waves 1 to 2 ft.

Tuesday Night

SSW wind 15 to 20 kt increasing to 20 to 25 kt after midnight. Showers and possibly a thunderstorm. Waves 2 to 3 ft.

Wednesday

WSW wind 17 to 20 kt decreasing to 15 to 18 kt in the afternoon. Winds could gust as high as 30 kt. Showers likely, with thunderstorms also possible after 2pm. Waves around 3 ft.

Wednesday Night

WSW wind around 15 kt becoming NW after midnight. A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Waves around 2 ft.

Winds and seas higher in and near tstms.

*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.