Heat Persists in the Southwest; Elevated to Critical Fire Weather in the Great Basin; Poor Air Quality in the West

Dangerous heat will persist across the Southwest U.S. through this week, easing by next week. The heat will focus further east in the Great Plains and Mississippi Valley beginning next week. Elevated to locally critical fire weather conditions will persist for the Great Basin today. Poor air quality lingers for the Northwest, Great Basin, Central Rockies into the Plains. Read More >

For More Weather Information:

Philadelphia, PA Local Forecast Office

15NM NE Lewes DE

Marine Point Forecast

[NOTICE]

This Afternoon
High: 79 °F
ENE 10kt
2ft
Tonight
Low: 72 °F
Light Wind
2ft
Wednesday
High: 82 °F
SSE 10kt
1-2ft
Wednesday Night
Low: 74 °F
S 10kt
< 1ft
Thursday
High: 89 °F
S 10kt
< 1ft
Thursday Night
Low: 75 °F
SSW 10kt
< 1ft
Friday
High: 90 °F
SSW 10kt
< 1ft
Friday Night
Low: 74 °F
SW 10kt
< 1ft
Saturday
High: 85 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:18 pm EDT Aug 4, 2026
Forecast Valid: 3pm EDT Aug 4, 2026-6pm EDT Aug 11, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

ENE wind around 10 kt. Partly sunny. Seas around 2 ft.

Tonight

Variable winds 5 kt or less. A slight chance of showers after 4am. Patchy fog after 10pm. Seas around 2 ft.

Wednesday

SE wind 5 to 10 kt becoming S in the afternoon. A chance of showers and thunderstorms. Patchy fog before 9am. Seas 1 to 2 ft.

Wednesday Night

S wind 5 to 10 kt. Partly cloudy. Seas 1 ft or less.

Thursday

S wind 5 to 10 kt. Sunny. Seas 1 ft or less.

Thursday Night

SSW wind 5 to 10 kt. Mostly clear. Seas 1 ft or less.

Friday

SSW wind 5 to 10 kt. Sunny. Seas 1 ft or less.

Friday Night

SW wind 5 to 10 kt. A chance of showers and thunderstorms before 2am. Seas 1 ft or less.

Saturday

Variable winds 5 kt or less. Mostly 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.