Extreme Heat and Excessive Rainfall Today

Dangerous and extreme heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest U.S. will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Multiple rounds of thunderstorms will produce heavy to excessive rainfall with significant flash flooding across portions of southern New England. Read More >

For More Weather Information:

Philadelphia, PA Local Forecast Office

33NM NNW Lewes DE

Marine Point Forecast

[NOTICE]

Thursday
High: 83 °F
NW 10kt
< 1ft
Thursday Night
Low: 65 °F
Light Wind
< 1ft
Friday
High: 86 °F
Light Wind
< 1ft
Friday Night
Low: 65 °F
SSE 10kt⇓
< 1ft
Saturday
High: 87 °F
⇑SSE 10kt
< 1ft
Saturday Night
Low: 67 °F
Light Wind
< 1ft
Sunday
High: 85 °F
SSE 10kt
< 1ft
Sunday Night
Low: 69 °F
Light Wind
< 1ft
Monday
High: 83 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:20 pm EDT Jul 29, 2026
Forecast Valid: 1am EDT Jul 30, 2026-6pm EDT Aug 5, 2026

View Nearby Observations

Detailed Forecast

Thursday

NW wind around 10 kt, with gusts as high as 20 kt. Mostly sunny. Waves 1 ft or less.

Thursday Night

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

Friday

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

Friday Night

SSE wind 5 to 10 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Waves 1 ft or less.

Saturday

Variable winds less than 5 kt becoming SSE 5 to 10 kt in the afternoon. Mostly sunny. Waves 1 ft or less.

Saturday Night

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

Sunday

SSE wind 5 to 10 kt. A chance of showers after 2pm. Waves 1 ft or less.

Sunday Night

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

Monday

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