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

19NM NE Lewes DE

Marine Point Forecast

[NOTICE]

Today
High: 82 °F
Light Wind
2ft
Tonight
Low: 68 °F
NNE 10kt
2ft
Saturday
High: 75 °F
ENE 15kt
2ft
Saturday Night
Low: 69 °F
ESE 10kt
2ft
Sunday
High: 78 °F
SSE 10kt
2ft
Sunday Night
Low: 70 °F
S 10kt
2ft
Monday
High: 76 °F
⇑NE 15kt
2-3ft
Monday Night
Low: 68 °F
ENE 20kt
3ft
Tuesday
High: 72 °F
⇑ENE 25kt
4ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:09 am EDT Sep 18, 2026
Forecast Valid: 10am EDT Sep 18, 2026-6pm EDT Sep 24, 2026

View Nearby Observations

Detailed Forecast

Today

Variable winds 5 kt or less. Mostly sunny. Seas around 2 ft.

Tonight

NNE wind 5 to 10 kt. Partly cloudy. Seas around 2 ft.

Saturday

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

Saturday Night

ESE wind around 10 kt. Mostly cloudy. Seas around 2 ft.

Sunday

SSE wind around 10 kt. Mostly sunny. Seas around 2 ft.

Sunday Night

S wind 5 to 10 kt. Showers likely and possibly a thunderstorm. Seas around 2 ft.

Monday

N wind 10 to 13 kt becoming NE 12 to 15 kt in the afternoon. Winds could gust as high as 20 kt. A chance of showers. Seas 2 to 3 ft.

Monday Night

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

Tuesday

ENE wind 20 to 23 kt increasing to 22 to 25 kt in the afternoon. Winds could gust as high as 35 kt. Showers likely. Seas around 4 ft.

Winds and seas higher in and near tstms.

*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.