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 in effect from December 9, 06:00 PM EST until December 11, 06:00 AM EST

For More Weather Information:

Philadelphia, PA Local Forecast Office

20NM NNW Lewes DE

Marine Point Forecast

[NOTICE]

Overnight
Low: 36 °F
SW 20kt
2ft

Small Craft Advisory
Wednesday
High: 46 °F
SSW 25kt
3ft

Small Craft Advisory
Wednesday Night
Low: 35 °F
WNW 25kt
3ft

Small Craft Advisory
Thursday
High: 39 °F
WNW 25kt
3ft
Thursday Night
Low: 32 °F
W 20kt
3ft
Friday
High: 39 °F
W 15kt
1-2ft
Friday Night
Low: 34 °F
SW 15kt
1-2ft
Saturday
High: 44 °F
WSW 20kt
2-3ft
Saturday Night
Low: 35 °F
W 20kt
3ft

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: 12am EST Dec 10, 2025-6pm EST Dec 16, 2025

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE WEDNESDAY NIGHT...

Overnight

SW wind around 20 kt. Mostly cloudy. Waves around 2 ft.

Wednesday

SSW wind 20 to 25 kt. A chance of rain after 1pm. Waves around 3 ft.

Wednesday Night

SW wind 20 to 25 kt becoming WNW after midnight. A slight chance of rain before 7pm. Waves around 3 ft.

Thursday

WNW wind 20 to 25 kt, with gusts as high as 30 kt. Sunny. Waves around 3 ft.

Thursday Night

W wind around 20 kt, with gusts as high as 25 kt. Mostly clear. Waves around 3 ft.

Friday

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

Friday Night

SW wind 10 to 15 kt. A chance of snow. Waves 1 to 2 ft.

Saturday

WSW wind 15 to 20 kt. Partly sunny. Waves 2 to 3 ft.

Saturday Night

W wind 15 to 20 kt. A chance of snow. Waves around 3 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.