Extreme Heat and Excessive Rainfall Today

Dangerous and extreme heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest U.S. will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Multiple rounds of thunderstorms will produce heavy to excessive rainfall with significant flash flooding across portions of southern New England. Read More >

For More Weather Information:

Philadelphia, PA Local Forecast Office

15NM NE Lewes DE

Marine Point Forecast

[NOTICE]

Thursday
High: 86 °F
WNW 15kt
1ft
Thursday Night
Low: 68 °F
WNW 10kt
1ft
Friday
High: 85 °F
Light Wind
1ft
Friday Night
Low: 68 °F
S 10kt
1ft
Saturday
High: 85 °F
⇑SSE 10kt
1ft
Saturday Night
Low: 71 °F
S 10kt
3ft
Sunday
High: 82 °F
SSE 10kt
2ft
Sunday Night
Low: 72 °F
S 10kt
2ft
Monday
High: 82 °F
Light Wind
2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:20 pm EDT Jul 29, 2026
Forecast Valid: 1am EDT Jul 30, 2026-6pm EDT Aug 5, 2026

View Nearby Observations

Detailed Forecast

Thursday

WNW wind 10 to 15 kt, with gusts as high as 20 kt. Mostly sunny. Seas around 1 ft.

Thursday Night

WNW wind 5 to 10 kt becoming NNW after midnight. Partly cloudy. Seas around 1 ft.

Friday

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

Friday Night

S wind 5 to 10 kt. Mostly clear. Seas around 1 ft.

Saturday

Variable winds less than 5 kt becoming SSE 5 to 10 kt in the afternoon. Mostly sunny. Seas around 1 ft.

Saturday Night

S wind 5 to 10 kt. Mostly cloudy. Seas 1 ft building to 3 ft.

Sunday

SSE wind 5 to 10 kt. Partly sunny. Seas around 2 ft.

Sunday Night

S wind 5 to 10 kt. A chance of showers. Seas around 2 ft.

Monday

Variable winds 5 kt or less. A chance of showers. Seas around 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.