Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Hazardous Weather Conditions

Small Craft Advisory until December 11, 06:00 AM EST

For More Weather Information:

Philadelphia, PA Local Forecast Office

28NM NNW Lewes DE

Marine Point Forecast

[NOTICE]

This Afternoon
High: 46 °F
SSW 20kt
3ft

Small Craft Advisory
Tonight
Low: 34 °F
WNW 25kt
2-3ft

Small Craft Advisory
Thursday
High: 37 °F
⇑WNW 20kt
2-3ft
Thursday Night
Low: 32 °F
W 20kt
2ft
Friday
High: 37 °F
W 10kt
1ft
Friday Night
Low: 33 °F
W 10kt
1ft
Saturday
High: 41 °F
W 15kt
1ft
Saturday Night
Low: 31 °F
W 15kt
1-2ft
Sunday
High: 35 °F
⇑WNW 25kt
2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:10 am EST Dec 10, 2025
Forecast Valid: 1pm EST Dec 10, 2025-6pm EST Dec 16, 2025

View Nearby Observations

Detailed Forecast

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

This Afternoon

SSW wind around 20 kt, with gusts as high as 25 kt. A chance of rain, mainly after 3pm. Waves around 3 ft.

Tonight

SW wind 20 to 25 kt becoming WNW after midnight. A chance of rain, mainly before 9pm. Waves 2 to 3 ft.

Thursday

WNW wind 15 to 18 kt increasing to 17 to 20 kt in the afternoon. Winds could gust as high as 30 kt. Mostly sunny. Waves 2 to 3 ft.

Thursday Night

W wind 15 to 20 kt, with gusts as high as 30 kt. Mostly clear. Waves around 2 ft.

Friday

W wind 5 to 10 kt, with gusts as high as 20 kt. A slight chance of snow after 1pm. Waves around 1 ft.

Friday Night

W wind 5 to 10 kt. A chance of snow. Waves around 1 ft.

Saturday

W wind around 15 kt, with gusts as high as 20 kt. Partly sunny. Waves around 1 ft.

Saturday Night

W wind around 15 kt. A chance of snow. Waves 1 to 2 ft.

Sunday

WNW wind 15 to 20 kt increasing to 20 to 25 kt in the afternoon. A chance of snow. Waves around 2 ft.

*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.