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

12NM NE Lewes DE

Marine Point Forecast

[NOTICE]

This Afternoon
High: 75 °F
ENE 15kt
3ft
Tonight
Low: 67 °F
E 10kt
3ft
Sunday
High: 77 °F
⇑S 15kt
3ft
Sunday Night
Low: 65 °F
S 10kt
3ft
Monday
High: 73 °F
NE 15kt
2-3ft
Monday Night
Low: 63 °F
ENE 20kt
3-4ft
Tuesday
High: 71 °F
ENE 25kt
7ft
Tuesday Night
Low: 63 °F
ENE 30kt
8ft
Wednesday
High: 71 °F
ENE 30kt
10ft

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: 2pm EDT Sep 19, 2026-6pm EDT Sep 25, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

ENE wind around 15 kt. Partly sunny. Seas around 3 ft.

Tonight

E wind around 10 kt. Mostly cloudy. Seas around 3 ft.

Sunday

SE wind 10 to 13 kt becoming S 12 to 15 kt in the afternoon. Mostly sunny. Seas around 3 ft.

Sunday Night

S wind around 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. Seas around 3 ft.

Monday

NE wind around 15 kt, with gusts as high as 20 kt. A chance of showers. Seas 2 to 3 ft.

Monday Night

ENE wind around 20 kt. A chance of showers, mainly after 2am. Seas 3 to 4 ft.

Tuesday

ENE wind 20 to 25 kt, with gusts as high as 35 kt. A chance of showers. Seas 5 ft building to 7 ft.

Tuesday Night

ENE wind 25 to 30 kt, with gusts as high as 35 kt. A chance of showers. Seas 5 ft building to 8 ft.

Wednesday

ENE wind around 30 kt, with gusts as high as 40 kt. A chance of showers. Seas 6 ft building to 10 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.