Extreme Heat and Tropical Storm Bertha Impacts

Dangerous heat will expand from the Gulf Coast into the Southern Plains and Desert Southwest through week's end. Additional extreme heat impacting the Pacific Northwest will shift to the northern Plains by the weekend. Tropical Storm Bertha is expected to continue to impact portions of the northwestern Gulf Coast from south central Louisiana to the upper Texas coast today. Read More >

For More Weather Information:

Philadelphia, PA Local Forecast Office

7NM SSE Lewes DE

Marine Point Forecast

[NOTICE]

This Afternoon
High: 78 °F
NE 10kt
1ft
Tonight
Low: 70 °F
Light Wind
< 1ft
Friday
High: 78 °F
NE 15kt
1ft
Friday Night
Low: 70 °F
ENE 10kt
1ft
Saturday
High: 78 °F
ENE 10kt
1ft
Saturday Night
Low: 69 °F
ENE 10kt
1ft
Sunday
High: 79 °F
Light Wind
1ft
Sunday Night
Low: 69 °F
Light Wind
1ft
Monday
High: 80 °F
S 10kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:14 am EDT Jul 23, 2026
Forecast Valid: 3pm EDT Jul 23, 2026-6pm EDT Jul 30, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

NE wind around 10 kt. Mostly sunny. Seas around 1 ft.

Tonight

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

Friday

NE wind 10 to 15 kt. Increasing clouds. Seas around 1 ft.

Friday Night

ENE wind 5 to 10 kt. Cloudy, then gradually becoming partly cloudy. Seas around 1 ft.

Saturday

ENE wind around 10 kt. Mostly sunny. Seas around 1 ft.

Saturday Night

ENE wind 5 to 10 kt becoming NNE after midnight. Partly cloudy. Seas around 1 ft.

Sunday

Variable winds 5 kt or less. Sunny. Seas around 1 ft.

Sunday Night

Variable winds 5 kt or less. Mostly clear. Seas around 1 ft.

Monday

SSW wind 5 to 10 kt becoming S in the afternoon. 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.