Heat Across the Center of the Nation; Severe Thunderstorms Across the Great Lakes and Ohio Valley

Heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest into Monday. Fire weather concerns continue for portions of the Intermountain West. Active monsoonal moisture fuels thunderstorms over the Southwest with possible flash flooding. Tropical cyclone Fausto in the Pacific, should weaken as it approaches Hawaii; Dangerous surf, swells and rip currents are expected. Read More >

For More Weather Information:

Philadelphia, PA Local Forecast Office

12NM NE Lewes DE

Marine Point Forecast

[NOTICE]

Tonight
Low: 70 °F
Light Wind
< 1ft
Monday
High: 80 °F
⇑S 10kt
< 1ft
Monday Night
Low: 72 °F
S 15kt
2-3ft
Tuesday
High: 81 °F
SSE 15kt
4ft
Tuesday Night
Low: 70 °F
S 15kt
3-4ft
Wednesday
High: 80 °F
NNW 15kt
3ft
Wednesday Night
Low: 71 °F
NNW 15kt
2-3ft
Thursday
High: 83 °F
NNW 15kt
2ft
Thursday Night
Low: 72 °F
NNW 10kt
2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:08 pm EDT Jul 26, 2026
Forecast Valid: 9pm EDT Jul 26, 2026-6pm EDT Aug 2, 2026

View Nearby Observations

Detailed Forecast

Tonight

Variable winds 5 kt or less. Isolated showers after 5am. Seas 1 ft or less.

Monday

S wind 5 to 8 kt increasing to 7 to 10 kt in the afternoon. Scattered showers, with thunderstorms also possible after 2pm. Seas 1 ft or less.

Monday Night

S wind 10 to 15 kt. A chance of showers and thunderstorms before 8pm. Seas 2 to 3 ft.

Tuesday

SSW wind 10 to 15 kt becoming SSE in the afternoon. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. Seas 2 ft building to 4 ft.

Tuesday Night

S wind 10 to 15 kt becoming SW after midnight. Showers and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Seas 3 to 4 ft.

Wednesday

NNW wind around 15 kt, with gusts as high as 20 kt. A chance of showers, with thunderstorms also possible after 2pm. Seas around 3 ft.

Wednesday Night

NNW wind around 15 kt. A chance of showers before 2am. Seas 2 to 3 ft.

Thursday

NNW wind 10 to 15 kt. Mostly sunny. Seas around 2 ft.

Thursday Night

NNW wind 5 to 10 kt. Partly cloudy. Seas 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.