Extreme Heat in the Southwest; Severe Weather in the Northern Plains; Heavy Rain in the East

Extreme heat continues across the Southwest as temperatures may top 120 degrees. The heat may expand across the West and south-central U.S. into the middle of the month. Severe thunderstorms capable of severe wind gusts and large hail will be the primary hazards today across the northern Plains into the upper Midwest. Rainfall could be locally heavy across the Eastern U.S. today. Read More >

Hazardous Weather Conditions

For More Weather Information:

Philadelphia, PA Local Forecast Office

15NM NE Lewes DE

Marine Point Forecast

[NOTICE]

Tonight
Low: 71 °F
Light Wind
1ft
Tuesday
High: 80 °F
NE 10kt
1ft
Tuesday Night
Low: 72 °F
Light Wind
1ft
Wednesday
High: 83 °F
SSE 10kt
1ft
Wednesday Night
Low: 74 °F
SSW 10kt
1ft
Thursday
High: 84 °F
S 10kt
1ft
Thursday Night
Low: 74 °F
S 10kt
1ft
Friday
High: 86 °F
SW 10kt
1ft
Friday Night
Low: 73 °F
SW 10kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:09 pm EDT Aug 3, 2026
Forecast Valid: 6pm EDT Aug 3, 2026-6pm EDT Aug 10, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

Tonight

Variable winds 5 kt or less. A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Patchy fog between 9pm and 10pm. Seas around 1 ft.

Tuesday

NE wind around 10 kt. Partly sunny. Seas around 1 ft.

Tuesday Night

Variable winds 5 kt or less. Mostly cloudy. Seas around 1 ft.

Wednesday

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

Wednesday Night

SSW wind around 10 kt. A slight chance of showers and thunderstorms before 8pm. Seas around 1 ft.

Thursday

S wind around 10 kt. Mostly sunny. Seas around 1 ft.

Thursday Night

S wind around 10 kt. Mostly clear. Seas around 1 ft.

Friday

SW wind 5 to 10 kt. Sunny. Seas around 1 ft.

Friday Night

SW wind 5 to 10 kt. A chance of showers and thunderstorms before 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.