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 northern Gulf Coast from the western Florida Panhandle to southeastern Louisiana through tonight. Read More >

Hazardous Weather Conditions

For More Weather Information:

Philadelphia, PA Local Forecast Office

7NM SSE Lewes DE

Marine Point Forecast

[NOTICE]

Late Afternoon
High: 85 °F
SW 10kt
1ft
Tonight
Low: 70 °F
N 10kt
1ft
Thursday
High: 77 °F
NNE 10kt
1ft
Thursday Night
Low: 70 °F
Light Wind
< 1ft
Friday
High: 78 °F
ENE 10kt
1ft
Friday Night
Low: 70 °F
ENE 10kt
1ft
Saturday
High: 78 °F
NE 10kt
1ft
Saturday Night
Low: 69 °F
Light Wind
1ft
Sunday
High: 77 °F
Light Wind
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:28 pm EDT Jul 22, 2026
Forecast Valid: 4pm EDT Jul 22, 2026-6pm EDT Jul 29, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT THURSDAY...

Late Afternoon

SW wind around 10 kt. Showers likely and possibly a thunderstorm. Seas around 1 ft.

Tonight

SW wind 5 to 10 kt becoming N after midnight. Showers likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms after 10pm. Seas around 1 ft.

Thursday

NNE wind around 10 kt. Cloudy through mid morning, then gradual clearing. Seas around 1 ft.

Thursday Night

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

Friday

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

Friday Night

ENE wind 5 to 10 kt. Mostly cloudy. Seas around 1 ft.

Saturday

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

Saturday Night

Variable winds 5 kt or less. Partly cloudy. Seas around 1 ft.

Sunday

Variable winds 5 kt or less. 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.