Thunderstorms and Heavy Rains in the Appalachians

Multiple rounds of moderate to locally heavy rain will impact portions of the Appalachians and Mid-Atlantic, which may lead to flash flooding concerns. Thunderstorms with isolated severe wind gusts will be possible this afternoon from parts of the Southeast into the southern and central Appalachians. A multi-day heavy rain will pose a flash flood threat in New Mexico beginning Tuesday. Read More >

Hazardous Weather Conditions

Small Craft Advisory in effect from September 22, 05:00 AM EDT until September 23, 06:00 AM EDT
Gale Watch in effect from September 23, 06:00 AM EDT until September 24, 06:00 PM EDT

For More Weather Information:

Philadelphia, PA Local Forecast Office

33NM NNW Lewes DE

Marine Point Forecast

[NOTICE]

Today
High: 76 °F
NNE 10kt
< 1ft
Tonight
Low: 59 °F
ENE 10kt
< 1ft
Tuesday
High: 68 °F
NE 15kt
< 1ft
Tuesday Night
Low: 56 °F
NE 15kt
< 1ft
Wednesday
High: 67 °F
NE 15kt
< 1ft
Wednesday Night
Low: 55 °F
NE 15kt
< 1ft
Thursday
High: 67 °F
NNE 15kt
< 1ft
Thursday Night
Low: 53 °F
NNE 10kt
< 1ft
Friday
High: 66 °F
N 15kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:09 am EDT Sep 21, 2026
Forecast Valid: 6am EDT Sep 21, 2026-6pm EDT Sep 27, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH LATE

Today

NNE wind 5 to 10 kt becoming ENE in the afternoon. Partly sunny. Waves 1 ft or less.

Tonight

ENE wind around 10 kt. Showers likely, mainly after 5am. Waves 1 ft or less.

Tuesday

NE wind around 15 kt, with gusts as high as 25 kt. Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms between 1pm and 2pm, then showers likely and possibly a thunderstorm after 2pm. Waves 1 ft or less.

Tuesday Night

NE wind around 15 kt, with gusts as high as 25 kt. A chance of showers. Waves 1 ft or less.

Wednesday

NE wind around 15 kt, with gusts as high as 25 kt. A chance of showers, mainly before 2pm. Waves 1 ft or less.

Wednesday Night

NE wind 10 to 15 kt, with gusts as high as 25 kt. A slight chance of showers before 8pm, then a slight chance of showers after 2am. Waves 1 ft or less.

Thursday

NNE wind around 15 kt, with gusts as high as 25 kt. Mostly cloudy. Waves 1 ft or less.

Thursday Night

NNE wind around 10 kt, with gusts as high as 20 kt. Mostly cloudy. Waves 1 ft or less.

Friday

N wind around 15 kt, with gusts as high as 25 kt. A chance of showers. 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.