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

4NM WNW Lewes DE

Marine Point Forecast

[NOTICE]

Today
High: 74 °F
ENE 10kt
1-2ft
Tonight
Low: 69 °F
E 10kt
2ft
Sunday
High: 79 °F
S 10kt
2ft
Sunday Night
Low: 68 °F
S 10kt
2ft
Monday
High: 71 °F
NE 15kt
1-2ft
Monday Night
Low: 66 °F
ENE 15kt
2-3ft
Tuesday
High: 68 °F
ENE 20kt
4ft
Tuesday Night
Low: 65 °F
ENE 25kt
5ft
Wednesday
High: 68 °F
ENE 25kt
5-6ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:09 am EDT Sep 19, 2026
Forecast Valid: 6am EDT Sep 19, 2026-6pm EDT Sep 25, 2026

View Nearby Observations

Detailed Forecast

Today

ENE wind around 10 kt. Mostly sunny. Waves 1 to 2 ft.

Tonight

E wind 5 to 10 kt. Partly cloudy. Waves around 2 ft.

Sunday

SE wind 5 to 10 kt becoming S in the afternoon. Mostly sunny. Waves around 2 ft.

Sunday Night

S wind 5 to 10 kt becoming W after midnight. Showers likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then showers likely after 2am. Waves around 2 ft.

Monday

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

Monday Night

ENE wind around 15 kt, with gusts as high as 20 kt. A chance of showers, mainly after 2am. Waves 2 to 3 ft.

Tuesday

ENE wind around 20 kt, with gusts as high as 30 kt. A chance of showers. Waves around 4 ft.

Tuesday Night

ENE wind around 25 kt, with gusts as high as 30 kt. A chance of showers. Waves around 5 ft.

Wednesday

ENE wind around 25 kt, with gusts as high as 35 kt. A chance of showers. Waves 5 to 6 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.