Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

For More Weather Information:

Philadelphia, PA Local Forecast Office

7NM SSE Lewes DE

Marine Point Forecast

[NOTICE]

Sunday
High: 79 °F
S 15kt
1ft
Sunday Night
Low: 70 °F
S 10kt
1ft
Monday
High: 73 °F
⇑NE 15kt
1ft
Monday Night
Low: 69 °F
ENE 15kt
2ft
Tuesday
High: 71 °F
⇑ENE 25kt
2ft
Tuesday Night
Low: 68 °F
ENE 25kt
3ft
Wednesday
High: 69 °F
NE 30kt
3ft
Wednesday Night
Low: 66 °F
NE 30kt
3-4ft
Thursday
High: 68 °F
NNE 30kt
3-4ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:09 pm EDT Sep 19, 2026
Forecast Valid: 1am EDT Sep 20, 2026-6pm EDT Sep 26, 2026

View Nearby Observations

Detailed Forecast

Sunday

SE wind 10 to 15 kt becoming S in the afternoon. Mostly sunny. Seas around 1 ft.

Sunday Night

S wind 5 to 10 kt becoming WSW after midnight. A slight chance of showers and thunderstorms before 3am, then a chance of showers between 3am and 5am, then a chance of showers and thunderstorms after 5am. Seas around 1 ft.

Monday

N wind 10 to 13 kt becoming NE 12 to 15 kt in the afternoon. Winds could gust as high as 20 kt. A chance of showers and thunderstorms. Seas around 1 ft.

Monday Night

ENE wind around 15 kt, with gusts as high as 20 kt. A chance of showers. Seas around 2 ft.

Tuesday

ENE wind 15 to 20 kt increasing to 20 to 25 kt in the afternoon. Winds could gust as high as 30 kt. A chance of showers. Seas around 2 ft.

Tuesday Night

ENE wind around 25 kt, with gusts as high as 35 kt. A chance of showers. Seas around 3 ft.

Wednesday

NE wind 25 to 30 kt, with gusts as high as 40 kt. A chance of showers. Seas around 3 ft.

Wednesday Night

NE wind 25 to 30 kt, with gusts as high as 40 kt. A chance of showers. Seas 3 to 4 ft.

Thursday

NNE wind 25 to 30 kt, with gusts as high as 40 kt. A chance of showers. Seas 3 to 4 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.