River Flooding Continues in East Florida; Rain and Thunderstorms from the Mid-Atlantic to the Northeast Thursday; Heavy Rain in Puerto Rico

Significant river flooding is forecast along the St. John’s and the Peace rivers through the end of the week as flood waters will be slow to recede. Periods of rainfall and thunderstorms are expected across the Lower Great Lakes, Central Appalachians, Mid-Atlantic and Northeast Thursday and Friday. In Puerto Rico, increased moisture in the Atlantic will produce heavy rainfall for the island. Read More >

For More Weather Information:

Philadelphia, PA Local Forecast Office

15NM NE Lewes DE

Marine Point Forecast

[NOTICE]

Thursday
High: 70 °F
S 10kt
< 1ft
Thursday Night
Low: 59 °F
S 10kt
< 1ft
Friday
High: 68 °F
Light Wind
< 1ft
Friday Night
Low: 50 °F
Light Wind
< 1ft
Saturday
High: 62 °F
WNW 15kt
< 1ft
Saturday Night
Low: 43 °F
WNW 15kt
< 1ft
Sunday
High: 59 °F
WNW 15kt
< 1ft
Sunday Night
Low: 43 °F
W 15kt
< 1ft
Monday
High: 59 °F
WNW 15kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:07 pm EST Nov 4, 2026
Forecast Valid: 1am EST Nov 5, 2026-6pm EST Nov 11, 2026

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Detailed Forecast

Thursday

S wind 5 to 10 kt, with gusts as high as 20 kt. A slight chance of rain between 9am and 2pm. Seas 1 ft or less.

Thursday Night

S wind 5 to 10 kt. Rain and thunderstorms likely, then rain and possibly a thunderstorm after 5am. Seas 1 ft or less.

Friday

Variable winds 5 kt or less. Rain and possibly a thunderstorm. Seas 1 ft or less.

Friday Night

Variable winds 5 kt or less. A chance of rain before 1am. Seas 1 ft or less.

Saturday

WNW wind 10 to 15 kt. Mostly sunny. Seas 1 ft or less.

Saturday Night

WNW wind 10 to 15 kt, with gusts as high as 25 kt. Mostly clear. Seas 1 ft or less.

Sunday

WNW wind around 15 kt, with gusts as high as 25 kt. Sunny. Seas 1 ft or less.

Sunday Night

W wind 10 to 15 kt, with gusts as high as 20 kt. Mostly clear. Seas 1 ft or less.

Monday

WNW wind around 15 kt, with gusts as high as 25 kt. Sunny. Seas 1 ft or less.

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.