Dangerous Heat Builds and Expands; Critical Fire Weather for the Southwest; Severe Thunderstorms for Plains and Midwest

Dangerous to record breaking heat will build across the center of the nation and slowly build eastward this week. Wildfire conditions remain critical for the Southwest and portions of the Great Basin through Monday. For the northern Plains and upper Midwest, severe thunderstorms with the potential for large to very large hail and severe winds are the primary hazards. Read More >

For More Weather Information:

Philadelphia, PA Local Forecast Office

24NM NNE Lewes DE

Marine Point Forecast

[NOTICE]

Overnight
Low: 67 °F
Light Wind
< 1ft
Monday
High: 83 °F
Light Wind
< 1ft
Monday Night
Low: 66 °F
Light Wind
< 1ft
Tuesday
High: 82 °F
⇑S 10kt
< 1ft
Tuesday Night
Low: 70 °F
SSW 10kt
< 1ft
Wednesday
High: 89 °F
SSW 10kt
< 1ft
Wednesday Night
Low: 75 °F
SSW 10kt
< 1ft
Thursday
High: 90 °F
Light Wind
< 1ft
Thursday Night
Low: 78 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:43 pm EDT Jun 28, 2026
Forecast Valid: 11pm EDT Jun 28, 2026-6pm EDT Jul 5, 2026

View Nearby Observations

Detailed Forecast

Overnight

Variable winds 5 kt or less. Patchy fog. Waves 1 ft or less.

Monday

Variable winds 5 kt or less. Patchy fog before 9am. Waves 1 ft or less.

Monday Night

Variable winds 5 kt or less. Patchy fog after 10pm. Waves 1 ft or less.

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 around 10 kt. Partly cloudy. Waves 1 ft or less.

Wednesday

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

Wednesday Night

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

Thursday

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

Thursday Night

Variable winds 5 kt or less. Mostly clear. 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.