Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

For More Weather Information:

Philadelphia, PA Local Forecast Office

15NM NE Lewes DE

Marine Point Forecast

[NOTICE]

Tonight
Low: 67 °F
Light Wind
< 1ft
Sunday
High: 80 °F
Light Wind
< 1ft
Sunday Night
Low: 67 °F
Light Wind
1ft
Monday
High: 78 °F
SSE 10kt
1ft
Monday Night
Low: 69 °F
S 10kt
1ft
Tuesday
High: 81 °F
⇑S 15kt
1-2ft
Tuesday Night
Low: 72 °F
SSW 10kt
1-2ft
Wednesday
High: 84 °F
NW 10kt
1ft
Wednesday Night
Low: 70 °F
WSW 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 25, 2026
Forecast Valid: 4pm EDT Jul 25, 2026-6pm EDT Aug 1, 2026

View Nearby Observations

Detailed Forecast

Tonight

Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.

Sunday

Variable winds 5 kt or less. Sunny. Seas 1 ft or less.

Sunday Night

Variable winds 5 kt or less. Partly cloudy. Seas around 1 ft.

Monday

SSE wind 5 to 10 kt. A slight chance of showers and thunderstorms after 2pm. Seas around 1 ft.

Monday Night

S wind 5 to 10 kt. A slight chance of showers and thunderstorms, then a chance of showers after 11pm. Seas around 1 ft.

Tuesday

S wind 10 to 13 kt increasing to 12 to 15 kt in the afternoon. Winds could gust as high as 20 kt. A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Seas 1 to 2 ft.

Tuesday Night

SSW wind around 10 kt becoming W after midnight. Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Seas 1 to 2 ft.

Wednesday

NW wind around 10 kt becoming WSW in the afternoon. A chance of showers. Seas around 1 ft.

Wednesday Night

WSW wind 5 to 10 kt becoming NW after midnight. A chance of showers. Seas around 1 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.