Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Hazardous Weather Conditions

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

For More Weather Information:

Philadelphia, PA Local Forecast Office

24NM NNE Lewes DE

Marine Point Forecast

[NOTICE]

Wednesday
High: 48 °F
SSW 15kt
2ft
Wednesday Night
Low: 32 °F
WNW 20kt
2ft
Thursday
High: 39 °F
WNW 20kt
2ft
Thursday Night
Low: 28 °F
W 20kt
2ft
Friday
High: 39 °F
W 15kt⇓
< 1ft
Friday Night
Low: 29 °F
Light Wind
< 1ft
Saturday
High: 44 °F
W 15kt
< 1ft
Saturday Night
Low: 28 °F
W 10kt
2ft
Sunday
High: 37 °F
⇑WNW 20kt
1-2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:45 am EST Dec 10, 2025
Forecast Valid: 4am EST Dec 10, 2025-6pm EST Dec 16, 2025

View Nearby Observations

Detailed Forecast

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

Wednesday

SSW wind around 15 kt, with gusts as high as 30 kt. A chance of rain, mainly after 4pm. Waves 1 ft or less building to 2 ft.

Wednesday Night

SW wind 15 to 20 kt becoming WNW after midnight. Winds could gust as high as 30 kt. A chance of rain, mainly before 8pm. Waves 1 ft or less building to 2 ft.

Thursday

WNW wind 15 to 20 kt, with gusts as high as 30 kt. Mostly sunny. Waves 1 ft or less building to 2 ft.

Thursday Night

W wind 15 to 20 kt, with gusts as high as 30 kt. Mostly clear. Waves 1 ft or less building to 2 ft.

Friday

W wind 10 to 15 kt decreasing to 5 to 10 kt in the afternoon. Winds could gust as high as 25 kt. A slight chance of snow after 1pm. Waves 1 ft or less.

Friday Night

Variable winds 5 kt or less. A chance of rain and snow before 1am, then a slight chance of snow between 1am and 4am, then a slight chance of rain and snow after 4am. Waves 1 ft or less.

Saturday

W wind 10 to 15 kt, with gusts as high as 20 kt. Partly sunny. Waves 1 ft or less.

Saturday Night

W wind around 10 kt. A chance of snow. Waves 1 ft or less building to 2 ft.

Sunday

WNW wind 10 to 15 kt increasing to 15 to 20 kt in the afternoon. Winds could gust as high as 30 kt. A chance of snow. Waves 1 to 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.