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

24NM NNE Lewes DE

Marine Point Forecast

[NOTICE]

Monday
High: 84 °F
S 10kt
< 1ft
Monday Night
Low: 72 °F
SSE 10kt
< 1ft
Tuesday
High: 84 °F
Light Wind
< 1ft
Tuesday Night
Low: 74 °F
Light Wind
< 1ft
Wednesday
High: 87 °F
S 10kt
< 1ft
Wednesday Night
Low: 75 °F
Light Wind
< 1ft
Thursday
High: 90 °F
SW 10kt
< 1ft
Thursday Night
Low: 77 °F
Light Wind
< 1ft
Friday
High: 91 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:12 am EDT Jul 14, 2025
Forecast Valid: 4am EDT Jul 14, 2025-6pm EDT Jul 20, 2025

View Nearby Observations

Detailed Forecast

Monday

S wind 5 to 10 kt. A chance of showers and thunderstorms, mainly after 3pm. Patchy fog before 8am. Waves 1 ft or less.

Monday Night

SSE wind 5 to 10 kt becoming SSW after midnight. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Patchy fog between midnight and 2am. Waves 1 ft or less.

Tuesday

Variable winds 5 kt or less. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am. Some of the storms could produce heavy rainfall. Patchy fog before 8am. Waves 1 ft or less.

Tuesday Night

Variable winds 5 kt or less. A chance of showers and thunderstorms after 2am. Waves 1 ft or less.

Wednesday

S wind 5 to 10 kt. A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Waves 1 ft or less.

Wednesday Night

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

Thursday

SW wind 5 to 10 kt. A chance of showers, with thunderstorms also possible after 2pm. Waves 1 ft or less.

Thursday Night

Variable winds 5 kt or less. A chance of thunderstorms before 8pm. Waves 1 ft or less.

Friday

Variable winds 5 kt or less. A chance of showers and thunderstorms after 2pm. 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.