Severe Thunderstorms and Heavy Rain Across the Ohio Valley;

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

For More Weather Information:

Philadelphia, PA Local Forecast Office

15NM NE Lewes DE

Marine Point Forecast

[NOTICE]

Late Afternoon
High: 89 °F
Light Wind
< 1ft
Tonight
Low: 71 °F
Light Wind
< 1ft
Wednesday
High: 85 °F
Light Wind
< 1ft
Wednesday Night
Low: 73 °F
Light Wind
1ft
Thursday
High: 85 °F
Light Wind
1ft
Thursday Night
Low: 74 °F
Light Wind
1ft
Friday
High: 83 °F
Light Wind
1ft
Friday Night
Low: 68 °F
N 10kt
1-2ft
Saturday
High: 81 °F
NNE 10kt
2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:09 pm EDT Aug 11, 2026
Forecast Valid: 5pm EDT Aug 11, 2026-6pm EDT Aug 18, 2026

View Nearby Observations

Detailed Forecast

Late Afternoon

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

Tonight

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

Wednesday

Variable winds 5 kt or less. A chance of showers before 11am, then a slight chance of showers after 1pm. Seas 1 ft or less.

Wednesday Night

Variable winds 5 kt or less. A slight chance of showers before 7pm, then a chance of showers after 5am. Seas around 1 ft.

Thursday

Variable winds 5 kt or less. A slight chance of showers before 7am. Seas around 1 ft.

Thursday Night

Variable winds 5 kt or less. A chance of showers, with thunderstorms also possible after 11pm. Seas around 1 ft.

Friday

Variable winds 5 kt or less. A chance of showers before 2pm. Seas around 1 ft.

Friday Night

N wind 5 to 10 kt. Partly cloudy. Seas 1 to 2 ft.

Saturday

NNE wind 5 to 10 kt. Sunny. 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.