Severe Weather and Heavy Rain from the Great Lakes to the Mid-Atlantic; Heat Persists in the East

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected from the Upper Ohio Valley into the southern Mid-Atlantic today and portions of the central Appalachians and Carolinas on Saturday. Monsoonal moisture will bring a flash flooding threat to the Desert Southwest. Sweltering heat persists from the Plains to the southern Mid-Atlantic through tonight. Read More >

For More Weather Information:

Philadelphia, PA Local Forecast Office

15NM NE Lewes DE

Marine Point Forecast

[NOTICE]

Tonight
Low: 70 °F
Light Wind
1-2ft
Saturday
High: 83 °F
Light Wind
1ft
Saturday Night
Low: 66 °F
Light Wind
1ft
Sunday
High: 77 °F
ENE 10kt
< 1ft
Sunday Night
Low: 64 °F
Light Wind
< 1ft
Labor Day
High: 78 °F
Light Wind
< 1ft
Monday Night
Low: 66 °F
Light Wind
< 1ft
Tuesday
High: 81 °F
Light Wind
< 1ft
Tuesday Night
Low: 68 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:10 pm EDT Sep 4, 2026
Forecast Valid: 5pm EDT Sep 4, 2026-6pm EDT Sep 11, 2026

View Nearby Observations

Detailed Forecast

Tonight

Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly between 10pm and 3am. Seas 1 to 2 ft.

Saturday

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

Saturday Night

Variable winds 5 kt or less. A slight chance of showers between 2am and 3am. Seas around 1 ft.

Sunday

ENE wind 5 to 10 kt. A slight chance of showers before 2pm. Seas 1 ft or less.

Sunday Night

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

Labor Day

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

Monday Night

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

Tuesday

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

Tuesday Night

Variable winds 5 kt or less. Partly cloudy. 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.