Dangerous Heat and Humidity Through Saturday

Dangerously hot and humid conditions are expected to continue through Saturday. Additionally, there will be a threat of thunderstorms through Sunday. View this briefing for details. Read More >

For More Weather Information:

Philadelphia, PA Local Forecast Office

15NM NE Lewes DE

Marine Point Forecast

[NOTICE]

Overnight
Low: 77 °F
W 10kt
1ft
Independence Day
High: 91 °F
Light Wind
1ft
Saturday Night
Low: 75 °F
Light Wind
1ft
Sunday
High: 84 °F
⇑SE 10kt
< 1ft
Sunday Night
Low: 73 °F
Light Wind
1ft
Monday
High: 82 °F
ESE 10kt
1ft
Monday Night
Low: 74 °F
ESE 10kt
1ft
Tuesday
High: 84 °F
S 10kt
1ft
Tuesday Night
Low: 73 °F
Light Wind
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 10:08 pm EDT Jul 3, 2026
Forecast Valid: 12am EDT Jul 4, 2026-6pm EDT Jul 10, 2026

View Nearby Observations

Detailed Forecast

Overnight

SW wind 5 to 10 kt becoming W. Partly cloudy. Seas around 1 ft.

Independence Day

Variable winds 5 kt or less. A slight chance of showers between 4pm and 5pm. Seas around 1 ft.

Saturday Night

Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly between 1am and 2am. Seas around 1 ft.

Sunday

Variable winds less than 5 kt becoming SE 5 to 10 kt in the afternoon. A chance of showers and thunderstorms after 2pm. Seas 1 ft or less.

Sunday Night

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

Monday

ESE wind 5 to 10 kt. A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Seas around 1 ft.

Monday Night

ESE wind 5 to 10 kt. A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Seas around 1 ft.

Tuesday

SW wind 5 to 10 kt becoming SE in the afternoon. A chance of showers, with thunderstorms also possible after 2pm. Seas around 1 ft.

Tuesday Night

Variable winds 5 kt or less. A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Seas around 1 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.