Severe Thunderstorms and Heat Impact July 4th Weekend

A threat for severe thunderstorms will impact the July 4th weekend, bringing the potential for damaging wind gusts and localized flash flooding through Sunday. Hazardous heat continues into Sunday as well. Read More >

For More Weather Information:

Philadelphia, PA Local Forecast Office

33NM NNW Lewes DE

Marine Point Forecast

[NOTICE]

This Afternoon
High: 91 °F
Light Wind
< 1ft
Tonight
Low: 72 °F
Light Wind
< 1ft
Monday
High: 83 °F
Light Wind
< 1ft
Monday Night
Low: 70 °F
Light Wind
< 1ft
Tuesday
High: 83 °F
Light Wind
< 1ft
Tuesday Night
Low: 68 °F
Light Wind
< 1ft
Wednesday
High: 82 °F
Light Wind
< 1ft
Wednesday Night
Low: 69 °F
Light Wind
< 1ft
Thursday
High: 89 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:08 am EDT Jul 5, 2026
Forecast Valid: 2pm EDT Jul 5, 2026-6pm EDT Jul 11, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly after 5pm. Some of the storms could produce heavy rainfall. Waves 1 ft or less.

Tonight

Variable winds 5 kt or less. Showers and thunderstorms likely before 5am, then a slight chance of showers. Some of the storms could produce heavy rainfall. Waves 1 ft or less.

Monday

Variable winds 5 kt or less. A chance of showers, with thunderstorms also possible after 8am. Waves 1 ft or less.

Monday Night

Variable winds 5 kt or less. Showers and possibly a thunderstorm. Waves 1 ft or less.

Tuesday

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

Tuesday Night

Variable winds 5 kt or less. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Waves 1 ft or less.

Wednesday

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

Wednesday Night

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

Thursday

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.