Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. 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

16NM NNE Lewes DE

Marine Point Forecast

[NOTICE]

This Afternoon
High: 40 °F
Light Wind
1ft
Tonight
Low: 36 °F
SW 15kt
1-2ft
Wednesday
High: 48 °F
SSW 25kt
2-3ft
Wednesday Night
Low: 34 °F
WNW 25kt
3ft
Thursday
High: 40 °F
WNW 25kt
3-4ft
Thursday Night
Low: 32 °F
WNW 20kt
3ft
Friday
High: 40 °F
W 15kt
2-3ft
Friday Night
Low: 34 °F
WSW 10kt
1-2ft
Saturday
High: 44 °F
WSW 15kt
2-3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:21 pm EST Dec 9, 2025
Forecast Valid: 3pm EST Dec 9, 2025-6pm EST Dec 16, 2025

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EST THIS EVENING

This Afternoon

Variable winds 5 kt or less. Mostly sunny. Waves around 1 ft.

Tonight

SW wind around 15 kt, with gusts as high as 25 kt. Increasing clouds. Waves 1 to 2 ft.

Wednesday

SSW wind 20 to 25 kt, with gusts as high as 30 kt. A chance of rain after 1pm. Waves 2 to 3 ft.

Wednesday Night

SW wind 20 to 25 kt becoming WNW after midnight. Winds could gust as high as 30 kt. A slight chance of rain before 1am. Waves around 3 ft.

Thursday

WNW wind 20 to 25 kt, with gusts as high as 30 kt. Sunny. Waves 3 to 4 ft.

Thursday Night

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

Friday

W wind 10 to 15 kt. Partly sunny. Waves 2 to 3 ft.

Friday Night

WSW wind around 10 kt. A chance of rain and snow. Waves 1 to 2 ft.

Saturday

WSW wind around 15 kt, with gusts as high as 20 kt. Partly sunny. Waves 2 to 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.