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

Lewes DE

Marine Point Forecast

[NOTICE]

Tonight
Low: 70 °F
NE 10kt
1ft
Saturday
High: 73 °F
ENE 15kt
2ft
Saturday Night
Low: 69 °F
ESE 10kt
2ft
Sunday
High: 78 °F
SE 15kt
2ft
Sunday Night
Low: 69 °F
S 10kt
2ft
Monday
High: 74 °F
⇑NE 15kt
2ft
Monday Night
Low: 66 °F
ENE 20kt
3ft
Tuesday
High: 71 °F
ENE 25kt
4-5ft
Tuesday Night
Low: 64 °F
ENE 25kt
6ft

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

NE wind 5 to 10 kt. Mostly cloudy. Waves around 1 ft.

Saturday

ENE wind around 15 kt. Mostly sunny. Waves around 2 ft.

Saturday Night

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

Sunday

SE wind 10 to 15 kt. Patchy fog before 8am. Waves around 2 ft.

Sunday Night

S wind around 10 kt becoming W after midnight. Showers likely and possibly a thunderstorm. Patchy fog after 11pm. Waves around 2 ft.

Monday

N wind 10 to 13 kt becoming NE 12 to 15 kt in the afternoon. Showers likely before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Waves around 2 ft.

Monday Night

ENE wind 15 to 20 kt. A chance of showers. Waves around 3 ft.

Tuesday

ENE wind 20 to 25 kt, with gusts as high as 35 kt. A chance of showers. Waves 4 to 5 ft.

Tuesday Night

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