Areas of Severe Thunderstorms and Heat

Scattered severe thunderstorms and excessive rainfall are possible today in the Mid Atlantic, posing a risk for damaging winds and isolated flash flooding. Extreme Heat Warnings are in effect today for northeast Texas into southern Oklahoma and Arkansas. Extreme Heat Warnings are also in effect for the Desert Southwest today into Sunday. Read More >

Hazardous Weather Conditions

Special Marine Warning in effect from August 20, 02:04 PM EDT until August 20, 03:30 PM EDT
Severe Thunderstorm Watch in effect from August 20, 02:30 PM EDT until August 20, 10:00 PM EDT

For More Weather Information:

Philadelphia, PA Local Forecast Office

33NM NNW Lewes DE

Marine Point Forecast

[NOTICE]

This Afternoon
High: 86 °F
Light Wind
< 1ft
Tonight
Low: 66 °F
Light Wind
< 1ft
Friday
High: 82 °F
Light Wind
< 1ft
Friday Night
Low: 68 °F
Light Wind
< 1ft
Saturday
High: 81 °F
Light Wind
< 1ft
Saturday Night
Low: 67 °F
Light Wind
< 1ft
Sunday
High: 84 °F
Light Wind
< 1ft
Sunday Night
Low: 64 °F
Light Wind
< 1ft
Monday
High: 81 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:00 pm EDT Aug 20, 2026
Forecast Valid: 2pm EDT Aug 20, 2026-6pm EDT Aug 26, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

Variable winds 5 kt or less. Showers and thunderstorms likely, mainly after 5pm. Some of the storms could produce heavy rainfall. Waves 1 ft or less.

Tonight

Variable winds 5 kt or less. Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am. Some of the storms could produce heavy rainfall. Waves 1 ft or less.

Friday

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

Friday Night

Variable winds 5 kt or less. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Waves 1 ft or less.

Saturday

Variable winds 5 kt or less. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. Waves 1 ft or less.

Saturday Night

Variable winds 5 kt or less. A chance of showers and thunderstorms before 2am. Waves 1 ft or less.

Sunday

Variable winds 5 kt or less. A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Waves 1 ft or less.

Sunday Night

Variable winds 5 kt or less. A chance of thunderstorms before 8pm. Waves 1 ft or less.

Monday

Variable winds 5 kt or less. Sunny. Waves 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.