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

33NM NNW Lewes DE

Marine Point Forecast

[NOTICE]

Sunday
High: 82 °F
S 10kt
< 1ft
Sunday Night
Low: 64 °F
Light Wind
< 1ft
Monday
High: 73 °F
NE 10kt
< 1ft
Monday Night
Low: 60 °F
ENE 10kt
< 1ft
Tuesday
High: 70 °F
ENE 10kt
< 1ft
Tuesday Night
Low: 58 °F
ENE 10kt
< 1ft
Wednesday
High: 68 °F
NE 15kt
< 1ft
Wednesday Night
Low: 57 °F
NE 15kt
< 1ft
Thursday
High: 67 °F
NNE 15kt
< 1ft

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: 3am EDT Sep 20, 2026-6pm EDT Sep 26, 2026

View Nearby Observations

Detailed Forecast

Sunday

SSE wind 5 to 10 kt becoming SSW in the afternoon. A chance of showers before noon, then a slight chance of showers after 2pm. Waves 1 ft or less.

Sunday Night

Variable winds 5 kt or less. Showers and thunderstorms likely before 2am, then a chance of showers. Waves 1 ft or less.

Monday

NE wind around 10 kt. A chance of showers, mainly after 2pm. Waves 1 ft or less.

Monday Night

ENE wind 5 to 10 kt. A chance of showers. Waves 1 ft or less.

Tuesday

ENE wind around 10 kt, with gusts as high as 20 kt. A chance of showers. Waves 1 ft or less.

Tuesday Night

ENE wind around 10 kt. A chance of showers, mainly after 2am. Waves 1 ft or less.

Wednesday

NE wind around 15 kt, with gusts as high as 20 kt. A chance of showers. Waves 1 ft or less.

Wednesday Night

NE wind 10 to 15 kt. A chance of showers. Waves 1 ft or less.

Thursday

NNE wind around 15 kt. A chance of showers. Waves 1 ft or less.

*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.