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

20NM NE Lewes DE

Marine Point Forecast

[NOTICE]

This Afternoon
High: 81 °F
Light Wind
< 1ft
Tonight
Low: 69 °F
Light Wind
< 1ft
Saturday
High: 78 °F
NE 10kt
< 1ft
Saturday Night
Low: 71 °F
Light Wind
< 1ft
Sunday
High: 80 °F
⇑S 10kt
< 1ft
Sunday Night
Low: 73 °F
S 10kt
< 1ft
Monday
High: 84 °F
Light Wind
< 1ft
Monday Night
Low: 74 °F
Light Wind
< 1ft
Tuesday
High: 84 °F
SSW 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:09 am EDT Aug 28, 2026
Forecast Valid: 1pm EDT Aug 28, 2026-6pm EDT Sep 3, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly between 2pm and 5pm. Seas 1 ft or less.

Tonight

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

Saturday

NNE wind 5 to 10 kt becoming E in the afternoon. Partly sunny. Seas 1 ft or less.

Saturday Night

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

Sunday

Variable winds less than 5 kt becoming S 5 to 10 kt in the afternoon. Sunny. Seas 1 ft or less.

Sunday Night

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

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 1 ft or less.

Tuesday

SSW wind 5 to 10 kt. Mostly sunny. Seas 1 ft or less.

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.