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

For More Weather Information:

Philadelphia, PA Local Forecast Office

4NM E Lewes DE

Marine Point Forecast

[NOTICE]

Wednesday
High: 48 °F
⇑SSW 25kt
5ft

Gale Warning
Wednesday Night
Low: 36 °F
WNW 25kt
4ft

Gale Warning
Thursday
High: 40 °F
WNW 25kt
4ft
Thursday Night
Low: 32 °F
WNW 20kt
3ft
Friday
High: 40 °F
W 15kt
2-3ft
Friday Night
Low: 35 °F
SW 15kt
1-2ft
Saturday
High: 45 °F
W 20kt
2-3ft
Saturday Night
Low: 36 °F
W 15kt
3ft
Sunday
High: 44 °F
⇑NW 30kt
3-4ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:09 pm EST Dec 9, 2025
Forecast Valid: 1am 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 20 to 23 kt increasing to 22 to 25 kt in the morning. Winds could gust as high as 35 kt. A chance of rain, mainly after 4pm. Seas 3 ft building to 5 ft.

Wednesday Night

SW wind 20 to 25 kt becoming WNW after midnight. A slight chance of rain before 1am. Seas around 4 ft.

Thursday

WNW wind 20 to 25 kt, with gusts as high as 30 kt. Sunny. Seas around 4 ft.

Thursday Night

WNW wind around 20 kt, with gusts as high as 30 kt. Mostly clear. Seas around 3 ft.

Friday

W wind 10 to 15 kt. A slight chance of rain and snow after 1pm. Seas 2 to 3 ft.

Friday Night

SW wind 10 to 15 kt. A chance of rain and snow before 1am, then a slight chance of rain. Seas 1 to 2 ft.

Saturday

W wind 15 to 20 kt. Partly sunny. Seas 2 to 3 ft.

Saturday Night

WNW wind 10 to 15 kt becoming WSW after midnight. Winds could gust as high as 20 kt. A chance of rain. Seas around 3 ft.

Sunday

W wind 20 to 25 kt becoming NW 25 to 30 kt in the afternoon. A chance of rain and snow before 1pm. Seas 3 to 4 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.