Dangerous Heat in the Central and Eastern U.S.; Critical Fire Weather in the Great Basin and Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue Tuesday across portions of the Four Corners and Great Basin, as dry conditions and gusty winds persist. Read More >

For More Weather Information:

Philadelphia, PA Local Forecast Office

24NM NNE Lewes DE

Marine Point Forecast

[NOTICE]

Tuesday
High: 82 °F
⇑S 10kt
< 1ft
Tuesday Night
Low: 70 °F
SSW 15kt
1ft
Wednesday
High: 86 °F
WSW 10kt
< 1ft
Wednesday Night
Low: 73 °F
SSW 10kt
1ft
Thursday
High: 91 °F
SW 10kt
< 1ft
Thursday Night
Low: 77 °F
SSW 10kt
1ft
Friday
High: 93 °F
Light Wind
< 1ft
Friday Night
Low: 77 °F
Light Wind
< 1ft
Independence Day
High: 92 °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 29, 2026
Forecast Valid: 2am EDT Jun 30, 2026-6pm EDT Jul 6, 2026

View Nearby Observations

Detailed Forecast

Tuesday

Variable winds less than 5 kt becoming S 5 to 10 kt in the afternoon. Mostly sunny. Waves 1 ft or less.

Tuesday Night

SSW wind 10 to 15 kt. Mostly clear. Waves around 1 ft.

Wednesday

WSW wind around 10 kt. Sunny. Waves 1 ft or less.

Wednesday Night

SSW wind 5 to 10 kt. Mostly clear. Waves around 1 ft.

Thursday

SW wind 5 to 10 kt. Sunny. Waves 1 ft or less.

Thursday Night

SSW wind 5 to 10 kt becoming WSW after midnight. Clear. Waves around 1 ft.

Friday

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

Friday Night

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

Independence Day

Variable winds 5 kt or less. Mostly sunny. Waves 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.