Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Hazardous Weather Conditions

Small Craft Advisory in effect from September 9, 06:00 PM EDT until September 10, 08:00 AM EDT

For More Weather Information:

Philadelphia, PA Local Forecast Office

33NM NNW Lewes DE

Marine Point Forecast

[NOTICE]

This Afternoon
High: 86 °F
SW 10kt
< 1ft
Tonight
Low: 72 °F
S 10kt
< 1ft
Thursday
High: 86 °F
WSW 10kt
< 1ft
Thursday Night
Low: 69 °F
Light Wind
< 1ft
Friday
High: 81 °F
Light Wind
< 1ft
Friday Night
Low: 64 °F
Light Wind
< 1ft
Saturday
High: 81 °F
⇑SE 10kt
< 1ft
Saturday Night
Low: 70 °F
Light Wind
< 1ft
Sunday
High: 84 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:36 pm EDT Sep 9, 2026
Forecast Valid: 2pm EDT Sep 9, 2026-6pm EDT Sep 15, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EDT THIS EVENING

This Afternoon

SW wind around 10 kt. Sunny. Waves 1 ft or less.

Tonight

S wind around 10 kt. Mostly clear. Waves 1 ft or less.

Thursday

WSW wind around 10 kt becoming W in the afternoon. A slight chance of showers and thunderstorms after 5pm. Waves 1 ft or less.

Thursday Night

Variable winds 5 kt or less. Showers and thunderstorms before 5am, then a chance of showers. Waves 1 ft or less.

Friday

Variable winds 5 kt or less. A chance of showers, mainly before 7am. Waves 1 ft or less.

Friday Night

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

Saturday

Variable winds less than 5 kt becoming SE 5 to 10 kt in the morning. A chance of showers after 2pm. Waves 1 ft or less.

Saturday Night

Variable winds 5 kt or less. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm. Waves 1 ft or less.

Sunday

Variable winds 5 kt or less. A chance of showers, with thunderstorms also possible after 2pm. 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.