Severe Weather and Heavy Rain for the Plains and Mid-Atlantic; Building Heat in the West

Severe thunderstorms will remain possible in the Mid-Atlantic through Tuesday. Severe thunderstorms and heavy rain will also be possible in the central/southern Plains on Tuesday and Wednesday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry weather will create Elevated to Critical fire weather conditions in the Four Corners Region. Read More >

Hazardous Weather Conditions

For More Weather Information:

Philadelphia, PA Local Forecast Office

7NM SSE Lewes DE

Marine Point Forecast

[NOTICE]

Tonight
Low: 69 °F
S 15kt
< 1ft
Tuesday
High: 77 °F
⇑ENE 10kt
< 1ft
Tuesday Night
Low: 68 °F
NNW 15kt
< 1ft
Wednesday
High: 80 °F
NNW 10kt⇓
1ft
Wednesday Night
Low: 69 °F
Light Wind
< 1ft
Thursday
High: 80 °F
⇑SSE 15kt
< 1ft
Thursday Night
Low: 71 °F
S 10kt
1ft
Friday
High: 86 °F
SSW 10kt
1ft
Friday 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: 8:21 pm EDT Jun 22, 2026
Forecast Valid: 9pm EDT Jun 22, 2026-6pm EDT Jun 29, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT TUESDAY...

Tonight

S wind 10 to 15 kt. Showers and possibly a thunderstorm, mainly before 11pm, then a chance of showers and thunderstorms after 11pm. Some of the storms could be severe and produce heavy rainfall. Seas 1 ft or less.

Tuesday

WSW wind 5 to 8 kt becoming ENE 7 to 10 kt in the afternoon. A slight chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 3pm, then showers likely and possibly a thunderstorm after 3pm. Seas 1 ft or less.

Tuesday Night

NNW wind 10 to 15 kt, with gusts as high as 20 kt. Showers and thunderstorms likely before 9pm, then a slight chance of showers between 9pm and 10pm. Seas 1 ft or less.

Wednesday

NNW wind 7 to 10 kt becoming NNW 5 to 8 kt in the afternoon. Sunny. Seas around 1 ft.

Wednesday Night

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

Thursday

SW wind 5 to 8 kt becoming SSE 10 to 15 kt in the afternoon. Sunny. Seas 1 ft or less.

Thursday Night

S wind around 10 kt. Partly cloudy. Seas around 1 ft.

Friday

SSW wind 5 to 10 kt. A chance of showers and thunderstorms after 2pm. Seas around 1 ft.

Friday Night

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