Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

For More Weather Information:

Philadelphia, PA Local Forecast Office

11NM S Lewes DE

Marine Point Forecast

[NOTICE]

This Afternoon
High: 83 °F
Light Wind
< 1ft
Tonight
Low: 72 °F
Light Wind
< 1ft
Thursday
High: 82 °F
⇑S 10kt
< 1ft
Thursday Night
Low: 71 °F
Light Wind
< 1ft
Friday
High: 78 °F
Light Wind
< 1ft
Friday Night
Low: 71 °F
Light Wind
< 1ft
Saturday
High: 79 °F
Light Wind
< 1ft
Saturday Night
Low: 70 °F
Light Wind
< 1ft
Sunday
High: 82 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:16 pm EDT Aug 19, 2026
Forecast Valid: 3pm EDT Aug 19, 2026-6pm EDT Aug 26, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

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

Tonight

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

Thursday

S wind 5 to 8 kt increasing to 7 to 10 kt in the afternoon. A chance of showers and thunderstorms, mainly after noon. Seas 1 ft or less.

Thursday Night

Variable winds 5 kt or less. Showers and thunderstorms likely before 2am, then a chance of showers. Seas 1 ft or less.

Friday

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

Friday Night

Variable winds 5 kt or less. A chance of showers before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then showers likely and possibly a thunderstorm after 2am. Seas 1 ft or less.

Saturday

Variable winds 5 kt or less. Showers likely, then showers and possibly a thunderstorm after 8am. Seas 1 ft or less.

Saturday Night

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

Sunday

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