Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Hazardous Weather Conditions

Small Craft Advisory in effect from June 18, 06:00 AM EDT until June 19, 12:00 AM EDT

For More Weather Information:

Philadelphia, PA Local Forecast Office

7NM SSE Lewes DE

Marine Point Forecast

[NOTICE]

Today
High: 78 °F
⇑SE 10kt
1ft
Tonight
Low: 70 °F
S 10kt
1ft
Thursday
High: 91 °F
SSW 15kt
1-2ft
Thursday Night
Low: 73 °F
WSW 10kt
1ft
Juneteenth
High: 83 °F
WNW 10kt
1ft
Friday Night
Low: 67 °F
WNW 10kt
1ft
Saturday
High: 82 °F
WNW 10kt
1ft
Saturday Night
Low: 68 °F
Light Wind
< 1ft
Sunday
High: 84 °F
SW 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:07 am EDT Jun 17, 2026
Forecast Valid: 8am EDT Jun 17, 2026-6pm EDT Jun 23, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY MORNING THROUGH

Today

SE wind 5 to 8 kt increasing to 7 to 10 kt in the afternoon. A chance of showers before 10am. Seas around 1 ft.

Tonight

S wind around 10 kt. Partly cloudy. Seas around 1 ft.

Thursday

S wind around 15 kt becoming SW in the afternoon. Winds could gust as high as 25 kt. A chance of showers and thunderstorms, mainly between 4pm and 5pm. Seas 1 to 2 ft.

Thursday Night

WSW wind around 10 kt. A chance of showers and thunderstorms, mainly after 8pm. Seas around 1 ft.

Juneteenth

WNW wind 5 to 10 kt. A chance of showers, mainly before 2pm. Seas around 1 ft.

Friday Night

WSW wind 5 to 10 kt becoming WNW after midnight. A slight chance of showers before 8pm. Seas around 1 ft.

Saturday

WNW wind 5 to 10 kt. Sunny. Seas around 1 ft.

Saturday Night

Variable winds 5 kt or less. Clear. Seas 1 ft or less.

Sunday

WNW wind 5 to 10 kt becoming SW in the afternoon. Sunny. Seas 1 ft or less.

*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.