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

13NM NE Lewes DE

Marine Point Forecast

[NOTICE]

Today
High: 81 °F
N 10kt
2ft
Tonight
Low: 67 °F
NE 10kt
2ft
Saturday
High: 75 °F
ENE 15kt
2ft
Saturday Night
Low: 68 °F
ESE 15kt
2ft
Sunday
High: 78 °F
SSE 15kt
2ft
Sunday Night
Low: 70 °F
S 10kt
2ft
Monday
High: 76 °F
⇑NE 15kt
2-3ft
Monday Night
Low: 66 °F
ENE 20kt
3ft
Tuesday
High: 74 °F
⇑ENE 30kt
3-4ft

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

NNW wind 5 to 10 kt becoming NE in the afternoon. Mostly sunny. Seas around 2 ft.

Tonight

NE 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 10 to 15 kt. Mostly cloudy. Seas around 2 ft.

Sunday

SSE wind 10 to 15 kt. Mostly sunny. Seas around 2 ft.

Sunday Night

S wind around 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 around 20 kt. A chance of showers. Seas around 3 ft.

Tuesday

ENE wind 20 to 25 kt increasing to 25 to 30 kt in the afternoon. Winds could gust as high as 40 kt. Showers likely. Seas 3 to 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.