Dangerous Heat and Humidity Wednesday through Saturday

Dangerously hot and humid conditions are expected to build starting Wednesday through Saturday. Additionally, there will be a threat of thunderstorms on some of the days. View this briefing for details. Read More >

For More Weather Information:

Philadelphia, PA Local Forecast Office

12NM NE Lewes DE

Marine Point Forecast

[NOTICE]

This Afternoon
High: 82 °F
S 10kt
< 1ft
Tonight
Low: 69 °F
SSW 15kt
1-2ft
Wednesday
High: 79 °F
⇑S 15kt
1ft
Wednesday Night
Low: 72 °F
S 20kt⇓
1-2ft
Thursday
High: 82 °F
S 10kt
1ft
Thursday Night
Low: 78 °F
SSW 15kt⇓
1-2ft
Friday
High: 87 °F
S 10kt
1ft
Friday Night
Low: 77 °F
SSW 10kt
1ft
Independence Day
High: 87 °F
S 10kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:43 pm EDT Jun 30, 2026
Forecast Valid: 1pm EDT Jun 30, 2026-6pm EDT Jul 6, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

S wind around 10 kt. Mostly sunny. Waves 1 ft or less.

Tonight

SSW wind 10 to 15 kt. Mostly cloudy. Waves 1 to 2 ft.

Wednesday

S wind 10 to 13 kt increasing to 12 to 15 kt in the afternoon. Winds could gust as high as 20 kt. Mostly sunny. Waves around 1 ft.

Wednesday Night

S wind 15 to 20 kt decreasing to 10 to 15 kt after midnight. A slight chance of showers and thunderstorms after 1am. Waves 1 to 2 ft.

Thursday

SW wind around 10 kt becoming S in the afternoon. Sunny. Waves around 1 ft.

Thursday Night

SSW wind 12 to 15 kt decreasing to 10 to 13 kt after midnight. Mostly clear. Waves 1 to 2 ft.

Friday

WSW wind 5 to 10 kt becoming S in the afternoon. Sunny. Waves around 1 ft.

Friday Night

SSW wind 5 to 10 kt becoming WSW after midnight. Partly cloudy. Waves around 1 ft.

Independence Day

W wind 5 to 10 kt becoming S in the afternoon. Sunny. Waves around 1 ft.

*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.