Heavy to Excessive Rainfall and Flooding Threats in the Central and Eastern U.S.; Heat and Fire Weather Concerns in the West

Thunderstorms producing excessive rainfall and potential flooding concerns will continue through tonight from the Southern Plains to the East Coast. Areas of greatest concern for flooding are over central Texas and the Mid-Atlantic. Heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue through Monday. Read More >

For More Weather Information:

Philadelphia, PA Local Forecast Office

12NM NE Lewes DE

Marine Point Forecast

[NOTICE]

Tonight
Low: 74 °F
Light Wind
1ft
Monday
High: 81 °F
SSE 10kt
1ft
Monday Night
Low: 75 °F
S 10kt
1ft
Tuesday
High: 83 °F
S 10kt
1ft
Tuesday Night
Low: 75 °F
SSW 10kt
1ft
Wednesday
High: 84 °F
S 10kt
1-2ft
Wednesday Night
Low: 76 °F
SSW 10kt
2ft
Thursday
High: 86 °F
SW 10kt
2ft
Thursday Night
Low: 78 °F
SW 10kt
2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:12 pm EDT Jul 13, 2025
Forecast Valid: 4pm EDT Jul 13, 2025-6pm EDT Jul 20, 2025

View Nearby Observations

Detailed Forecast

Tonight

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

Monday

SSE wind 5 to 10 kt. A slight chance of showers between 1pm and 2pm, then a slight chance of showers and thunderstorms after 2pm. Seas around 1 ft.

Monday Night

S wind 5 to 10 kt. A chance of showers and thunderstorms. Seas around 1 ft.

Tuesday

S wind 5 to 10 kt. Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Seas around 1 ft.

Tuesday Night

SSW wind 5 to 10 kt. A chance of showers before 8pm, then a chance of showers and thunderstorms after 2am. Seas around 1 ft.

Wednesday

S wind 5 to 10 kt. A chance of showers and thunderstorms. Seas 1 to 2 ft.

Wednesday Night

SSW wind around 10 kt. A chance of thunderstorms before 8pm, then a chance of showers after 2am. Seas around 2 ft.

Thursday

SW wind around 10 kt. A chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Seas around 2 ft.

Thursday Night

SW wind around 10 kt. A chance of showers and thunderstorms before 8pm. Seas around 2 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.