Risks of Severe Thunderstorms and Excessive Rainfall; Fire Weather Concerns and Record Warmth

Severe thunderstorms and flash flooding risks increase across the center of the nation today. Meanwhile, ongoing thunderstorms and flash flooding will linger along the Gulf Coast states through the evening. The Great Basin and Intermountain West, warm temperatures and dry fuels with dry lightning may enhance fire weather potential. In addition, across interior Alaska, Red Flag Warning are posted. Read More >

For More Weather Information:

Philadelphia, PA Local Forecast Office

24NM NNE Lewes DE

Marine Point Forecast

[NOTICE]

Tonight
Low: 68 °F
W 10kt⇓
< 1ft
Sunday
High: 86 °F
W 10kt
< 1ft
Sunday Night
Low: 69 °F
Light Wind
< 1ft
Monday
High: 81 °F
⇑S 15kt
< 1ft
Monday Night
Low: 71 °F
S 15kt⇓
1ft
Tuesday
High: 82 °F
Light Wind
< 1ft
Tuesday Night
Low: 67 °F
Light Wind
< 1ft
Wednesday
High: 82 °F
Light Wind
< 1ft
Wednesday 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: 5:22 pm EDT Jun 20, 2026
Forecast Valid: 6pm EDT Jun 20, 2026-6pm EDT Jun 27, 2026

View Nearby Observations

Detailed Forecast

Tonight

W wind 7 to 10 kt decreasing to 5 to 8 kt in the evening. Winds could gust as high as 20 kt. Mostly clear. Waves 1 ft or less.

Sunday

W wind 5 to 10 kt. Sunny. Waves 1 ft or less.

Sunday Night

Variable winds 5 kt or less. Increasing clouds. Waves 1 ft or less.

Monday

S wind 5 to 10 kt increasing to 10 to 15 kt in the afternoon. Winds could gust as high as 25 kt. A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Some of the storms could produce heavy rainfall. Waves 1 ft or less.

Monday Night

S wind 12 to 15 kt decreasing to 10 to 13 kt after midnight. Winds could gust as high as 25 kt. A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Some of the storms could produce heavy rainfall. Waves around 1 ft.

Tuesday

Variable winds 5 kt or less. A chance of showers, with thunderstorms also possible after 2pm. Waves 1 ft or less.

Tuesday Night

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

Wednesday

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

Wednesday Night

Variable winds 5 kt or less. Mostly clear. Waves 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.