Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

For More Weather Information:

Philadelphia, PA Local Forecast Office

15NM NE Lewes DE

Marine Point Forecast

[NOTICE]

Wednesday
High: 87 °F
⇑S 10kt
1ft
Wednesday Night
Low: 76 °F
SSW 15kt
1ft
Thursday
High: 92 °F
SW 10kt
1ft
Thursday Night
Low: 77 °F
Light Wind
1ft
Friday
High: 89 °F
Light Wind
1ft
Friday Night
Low: 73 °F
Light Wind
1ft
Saturday
High: 85 °F
Light Wind
1ft
Saturday Night
Low: 74 °F
Light Wind
1ft
Sunday
High: 86 °F
Light Wind
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:13 pm EDT Jul 15, 2025
Forecast Valid: 3am EDT Jul 16, 2025-6pm EDT Jul 22, 2025

View Nearby Observations

Detailed Forecast

Wednesday

S wind 5 to 8 kt increasing to 7 to 10 kt in the afternoon. A chance of showers and thunderstorms, mainly after 1pm. Seas around 1 ft.

Wednesday Night

SSW wind 10 to 15 kt. A chance of showers and thunderstorms. Seas around 1 ft.

Thursday

SW wind around 10 kt. A slight chance of showers and thunderstorms. Seas around 1 ft.

Thursday Night

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

Friday

Variable winds 5 kt or less. A slight chance of showers and thunderstorms after 2pm. Seas around 1 ft.

Friday Night

Variable winds 5 kt or less. A slight chance of showers and thunderstorms. Seas around 1 ft.

Saturday

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

Saturday Night

Variable winds 5 kt or less. A chance of showers. Seas around 1 ft.

Sunday

Variable winds 5 kt or less. A chance of showers, with thunderstorms also possible after 2pm. 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.