Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

For More Weather Information:

Philadelphia, PA Local Forecast Office

15NM NE Lewes DE

Marine Point Forecast

[NOTICE]

Tonight
Low: 68 °F
⇑N 10kt
1ft
Saturday
High: 79 °F
NNE 10kt
1ft
Saturday Night
Low: 70 °F
Light Wind
1ft
Sunday
High: 83 °F
⇑S 10kt
< 1ft
Sunday Night
Low: 73 °F
S 10kt
1ft
Monday
High: 88 °F
Light Wind
< 1ft
Monday Night
Low: 74 °F
Light Wind
1ft
Tuesday
High: 85 °F
SSE 10kt
< 1ft
Tuesday Night
Low: 75 °F
Light Wind
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:58 pm EDT Aug 28, 2026
Forecast Valid: 7pm EDT Aug 28, 2026-6pm EDT Sep 4, 2026

View Nearby Observations

Detailed Forecast

Tonight

Variable winds less than 5 kt becoming N 5 to 10 kt after midnight. Cloudy, then gradually becoming partly cloudy. Seas around 1 ft.

Saturday

NNE wind around 10 kt becoming ENE in the afternoon. Mostly sunny. Seas around 1 ft.

Saturday Night

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

Sunday

S wind 5 to 8 kt increasing to 7 to 10 kt in the afternoon. Mostly cloudy, then gradually becoming sunny. Seas 1 ft or less.

Sunday Night

S wind 5 to 10 kt becoming SW after midnight. Partly cloudy. Seas around 1 ft.

Monday

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

Monday Night

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

Tuesday

SSW wind 5 to 10 kt becoming SSE in the afternoon. Mostly sunny. Seas 1 ft or less.

Tuesday Night

Variable winds 5 kt or less. Partly cloudy. 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.