Heat and Fire Weather Concerns West; Heavy Rain and Thunderstorms from Plains to mid-Atlantic

Thunderstorms and locally heavy rainfall is expected from the Central Plains to the Ohio Valley, mid-Atlantic and across the Southeast. Severe weather from the Upper Midwest to Central Plains increases on Friday. Major to Extreme HeatRisk continues across the Southern Plains to the lower Mississippi Valley late this week. Fire weather concerns for the northern Rockies and northern Plains today. Read More >

Hazardous Weather Conditions

Small Craft Advisory until September 10, 02:00 PM EDT

For More Weather Information:

Philadelphia, PA Local Forecast Office

15NM NE Lewes DE

Marine Point Forecast

[NOTICE]

Today
High: 86 °F
W 15kt⇓
1ft
Tonight
Low: 70 °F
Light Wind
< 1ft
Friday
High: 81 °F
NE 10kt
< 1ft
Friday Night
Low: 68 °F
Light Wind
< 1ft
Saturday
High: 81 °F
SE 10kt
< 1ft
Saturday Night
Low: 71 °F
SE 10kt
1ft
Sunday
High: 84 °F
Light Wind
1ft
Sunday Night
Low: 70 °F
Light Wind
1ft
Monday
High: 81 °F
N 10kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:09 am EDT Sep 10, 2026
Forecast Valid: 8am EDT Sep 10, 2026-6pm EDT Sep 16, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

Today

W wind 10 to 15 kt decreasing to 5 to 10 kt in the afternoon. Winds could gust as high as 25 kt. Mostly cloudy, then becoming sunny during the afternoon. Seas around 1 ft.

Tonight

Variable winds 5 kt or less. A chance of showers, then showers likely and possibly a thunderstorm after 11pm. Seas 1 ft or less.

Friday

NNE wind 5 to 10 kt becoming ENE in the afternoon. A chance of showers, mainly before 9am. Seas 1 ft or less.

Friday Night

Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

Saturday

SE wind 5 to 10 kt. A slight chance of showers after 2pm. Seas 1 ft or less.

Saturday Night

SE wind 5 to 10 kt becoming S after midnight. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Seas around 1 ft.

Sunday

Variable winds 5 kt or less. Showers likely, mainly before 8am. Seas around 1 ft.

Sunday Night

Variable winds 5 kt or less. Partly cloudy. Seas around 1 ft.

Monday

N wind 5 to 10 kt. Mostly sunny. Seas around 1 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.