Areas of Heavy Rainfall and Heat Early This Week

Excessive rainfall may produce locally considerable flash flooding over parts of South Texas, the western Gulf Coast, and lower Mississippi River Valley today into Thursday. Rainfall totals of 5 to 10 inches are expected. Hot temperatures may cause heat illnesses over central and northern California and the Pacific Northwest through Tuesday. Read More >

For More Weather Information:

Philadelphia, PA Local Forecast Office

33NM NNW Lewes DE

Marine Point Forecast

[NOTICE]

Overnight
Low: 59 °F
Light Wind
< 1ft
Tuesday
High: 77 °F
Light Wind
< 1ft
Tuesday Night
Low: 61 °F
Light Wind
< 1ft
Wednesday
High: 84 °F
S 10kt
< 1ft
Wednesday Night
Low: 69 °F
Light Wind
< 1ft
Thursday
High: 93 °F
⇑SW 15kt
< 1ft
Thursday Night
Low: 70 °F
WSW 10kt
< 1ft
Juneteenth
High: 82 °F
W 10kt
< 1ft
Friday Night
Low: 63 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:08 pm EDT Jun 15, 2026
Forecast Valid: 12am EDT Jun 16, 2026-6pm EDT Jun 22, 2026

View Nearby Observations

Detailed Forecast

Overnight

Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.

Tuesday

Variable winds 5 kt or less. Sunny. Waves 1 ft or less.

Tuesday Night

Variable winds 5 kt or less. Increasing clouds. Waves 1 ft or less.

Wednesday

S wind 5 to 10 kt. A chance of showers, with thunderstorms also possible after 2pm. Waves 1 ft or less.

Wednesday Night

Variable winds 5 kt or less. A slight chance of thunderstorms before 8pm. Waves 1 ft or less.

Thursday

S wind 10 to 13 kt becoming SW 12 to 15 kt in the afternoon. Winds could gust as high as 30 kt. A chance of showers and thunderstorms after 2pm. Waves 1 ft or less.

Thursday Night

WSW wind 5 to 10 kt. A chance of showers and thunderstorms, then showers likely after 2am. Waves 1 ft or less.

Juneteenth

W wind 5 to 10 kt. Showers likely. Waves 1 ft or less.

Friday Night

Variable winds 5 kt or less. Showers likely. Waves 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.