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

28NM N Lewes DE

Marine Point Forecast

[NOTICE]

Tonight
Low: 63 °F
NNE 10kt
< 1ft
Saturday
High: 75 °F
NE 10kt
1ft
Saturday Night
Low: 66 °F
E 10kt
1ft
Sunday
High: 78 °F
S 10kt
1-2ft
Sunday Night
Low: 67 °F
S 10kt
1ft
Monday
High: 73 °F
NE 10kt
1ft
Monday Night
Low: 62 °F
ENE 15kt
1-2ft
Tuesday
High: 68 °F
ENE 20kt
2ft
Tuesday Night
Low: 59 °F
ENE 20kt
2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:10 pm EDT Sep 18, 2026
Forecast Valid: 8pm EDT Sep 18, 2026-6pm EDT Sep 25, 2026

View Nearby Observations

Detailed Forecast

Tonight

NNE wind 5 to 10 kt. Mostly cloudy. Waves 1 ft or less.

Saturday

NE wind around 10 kt becoming E in the afternoon. Mostly sunny. Waves around 1 ft.

Saturday Night

E wind around 10 kt. Patchy fog after 2am. Waves around 1 ft.

Sunday

S wind around 10 kt. A slight chance of showers after 2pm. Patchy fog before 8am. Waves 1 to 2 ft.

Sunday Night

S wind 5 to 10 kt becoming W after midnight. A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Patchy fog after 11pm. Waves around 1 ft.

Monday

NE wind around 10 kt. Showers likely, mainly before 8am. Waves around 1 ft.

Monday Night

ENE wind 10 to 15 kt. A chance of showers. Waves 1 to 2 ft.

Tuesday

ENE wind 15 to 20 kt, with gusts as high as 25 kt. A chance of showers. Waves around 2 ft.

Tuesday Night

ENE wind 15 to 20 kt, with gusts as high as 25 kt. A chance of showers. Waves around 2 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.