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

7NM SSE Lewes DE

Marine Point Forecast

[NOTICE]

Tonight
Low: 70 °F
E 10kt
1ft
Saturday
High: 76 °F
ENE 10kt
1ft
Saturday Night
Low: 67 °F
NE 10kt
1ft
Sunday
High: 77 °F
N 10kt⇓
1ft
Sunday Night
Low: 66 °F
S 10kt⇓
1ft
Monday
High: 80 °F
⇑S 10kt
1ft
Monday Night
Low: 72 °F
S 10kt
1ft
Tuesday
High: 82 °F
S 15kt
1ft
Tuesday Night
Low: 72 °F
SSW 15kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:24 pm EDT Jul 24, 2026
Forecast Valid: 7pm EDT Jul 24, 2026-6pm EDT Jul 31, 2026

View Nearby Observations

Detailed Forecast

Tonight

E wind 5 to 10 kt. Mostly cloudy. Seas around 1 ft.

Saturday

ENE wind around 10 kt. Cloudy through mid morning, then gradual clearing. Seas around 1 ft.

Saturday Night

NE wind around 10 kt becoming N after midnight. Partly cloudy. Seas around 1 ft.

Sunday

N wind 7 to 10 kt becoming ENE 5 to 8 kt in the afternoon. Sunny. Seas around 1 ft.

Sunday Night

S wind 7 to 10 kt becoming SE 5 to 8 kt in the evening. Mostly clear. Seas around 1 ft.

Monday

S wind 5 to 8 kt increasing to 7 to 10 kt in the afternoon. A slight chance of showers and thunderstorms after 2pm. Seas around 1 ft.

Monday Night

S wind around 10 kt. A chance of showers between 8pm and 2am. Seas around 1 ft.

Tuesday

S wind 10 to 15 kt. Showers likely and possibly a thunderstorm, mainly after 2pm. Seas around 1 ft.

Tuesday Night

SSW wind 10 to 15 kt becoming WSW after midnight. Showers likely and possibly a thunderstorm before 2am, then 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.