Severe Thunderstorms; Excessive Rainfall; Dangerous Heat; Air Quality Concerns and the Tropics

Wildfire smoke will push into the Midwest, worsening air quality. A frontal system brings severe storms from the Northern Plains to the Mid‑Atlantic the next few days. Heavy Gulf Coast rain is possible as Tropical Depression Two has formed, while monsoonal storms persist in the Southwest with heavy rainfall. Hazardous heat expands from the Plains into the Lower Mississippi Valley. Read More >

For More Weather Information:

Philadelphia, PA Local Forecast Office

33NM NNW Lewes DE

Marine Point Forecast

[NOTICE]

Tonight
Low: 64 °F
Light Wind
< 1ft
Monday
High: 83 °F
Light Wind
< 1ft
Monday Night
Low: 71 °F
Light Wind
< 1ft
Tuesday
High: 86 °F
SSE 10kt
< 1ft
Tuesday Night
Low: 72 °F
SSW 10kt
< 1ft
Wednesday
High: 84 °F
W 10kt
< 1ft
Wednesday Night
Low: 64 °F
Light Wind
< 1ft
Thursday
High: 79 °F
Light Wind
< 1ft
Thursday Night
Low: 63 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:08 pm EDT Jul 19, 2026
Forecast Valid: 7pm EDT Jul 19, 2026-6pm EDT Jul 26, 2026

View Nearby Observations

Detailed Forecast

Tonight

Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.

Monday

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

Monday Night

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

Tuesday

SSE wind 5 to 10 kt. Showers and thunderstorms likely, then showers and possibly a thunderstorm after 11am. Waves 1 ft or less.

Tuesday Night

SSW wind around 10 kt. Showers and possibly a thunderstorm. Waves 1 ft or less.

Wednesday

W wind around 10 kt. Showers likely and possibly a thunderstorm. Waves 1 ft or less.

Wednesday Night

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

Thursday

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

Thursday 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.