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

15NM NE Lewes DE

Marine Point Forecast

[NOTICE]

Sunday
High: 87 °F
⇑SE 10kt
1-2ft
Sunday Night
Low: 75 °F
Light Wind
1-2ft
Monday
High: 84 °F
ESE 10kt
2ft
Monday Night
Low: 74 °F
Light Wind
2-3ft
Tuesday
High: 85 °F
E 10kt
1-2ft
Tuesday Night
Low: 73 °F
N 10kt
2ft
Wednesday
High: 84 °F
N 10kt
2ft
Wednesday Night
Low: 71 °F
Light Wind
1-2ft
Thursday
High: 87 °F
⇑S 10kt
1-2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 11:26 pm EDT Jul 4, 2026
Forecast Valid: 1am EDT Jul 5, 2026-6pm EDT Jul 11, 2026

View Nearby Observations

Detailed Forecast

Sunday

Variable winds less than 5 kt becoming SE 5 to 10 kt in the afternoon. Mostly sunny. Seas 1 to 2 ft.

Sunday Night

Variable winds 5 kt or less. A chance of showers and thunderstorms before 4am, then a slight chance of showers after 5am. Seas 1 to 2 ft.

Monday

ESE wind 5 to 10 kt. A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. Seas around 2 ft.

Monday Night

Variable winds 5 kt or less. Showers and possibly a thunderstorm. Seas 2 to 3 ft.

Tuesday

E wind 5 to 10 kt. A chance of showers and thunderstorms. Seas 1 to 2 ft.

Tuesday Night

N wind 5 to 10 kt. A chance of showers and thunderstorms before 2am, then a slight chance of showers. Seas around 2 ft.

Wednesday

N wind 5 to 10 kt becoming NE in the afternoon. Mostly sunny. Seas around 2 ft.

Wednesday Night

Variable winds 5 kt or less. Mostly clear. Seas 1 to 2 ft.

Thursday

SW wind 5 to 8 kt becoming S 7 to 10 kt in the afternoon. Mostly sunny. Seas 1 to 2 ft.

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.