Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Sunday could bring areas of flooding to parts of the upper Midwest, central Great Lakes, southern New England and Virginia/North Carolina tidewater region. Read More >

For More Weather Information:

Philadelphia, PA Local Forecast Office

4NM SSE Lewes DE

Marine Point Forecast

[NOTICE]

Today
High: 81 °F
NNW 10kt
2ft
Tonight
Low: 70 °F
ENE 10kt
2ft
Saturday
High: 74 °F
ENE 15kt
2ft
Saturday Night
Low: 70 °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
2ft
Monday Night
Low: 68 °F
ENE 15kt
3ft
Tuesday
High: 73 °F
⇑ENE 25kt
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: 7am EDT Sep 18, 2026-6pm EDT Sep 24, 2026

View Nearby Observations

Detailed Forecast

Today

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

Tonight

ENE 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 becoming SSW after midnight. A chance of showers and thunderstorms. Seas around 2 ft.

Monday

N wind 5 to 8 kt becoming NE 10 to 15 kt in the afternoon. A chance of showers. Seas around 2 ft.

Monday Night

ENE wind around 15 kt, with gusts as high as 25 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 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.