Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Hazardous Weather Conditions

Small Craft Advisory until December 8, 06:00 PM EST

For More Weather Information:

Philadelphia, PA Local Forecast Office

28NM NNW Lewes DE

Marine Point Forecast

[NOTICE]

Tonight
Low: 25 °F
NNE 20kt⇓
1-2ft
Tuesday
High: 39 °F
NNE 10kt
< 1ft
Tuesday Night
Low: 36 °F
SW 20kt
1-2ft
Wednesday
High: 47 °F
SSW 20kt
2-3ft
Wednesday Night
Low: 38 °F
SW 25kt
2-3ft
Thursday
High: 42 °F
WNW 20kt
2ft
Thursday Night
Low: 32 °F
WNW 15kt
1ft
Friday
High: 39 °F
WNW 10kt
1ft
Friday Night
Low: 33 °F
⇑SW 20kt
1-2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:10 pm EST Dec 8, 2025
Forecast Valid: 5pm EST Dec 8, 2025-6pm EST Dec 15, 2025

View Nearby Observations

Detailed Forecast

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

Tonight

NNE wind 15 to 20 kt decreasing to 10 to 15 kt after midnight. Cloudy, then gradual clearing toward daybreak. Waves 1 to 2 ft.

Tuesday

NNE wind 5 to 10 kt becoming SSW in the afternoon. Sunny. Waves 1 ft or less.

Tuesday Night

SW wind 15 to 20 kt. Mostly cloudy. Waves 1 to 2 ft.

Wednesday

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

Wednesday Night

SW wind 20 to 25 kt becoming W after midnight. A slight chance of rain before 1am. Waves 2 to 3 ft.

Thursday

WNW wind around 20 kt. Mostly sunny. Waves around 2 ft.

Thursday Night

WNW wind around 15 kt. Partly cloudy. Waves around 1 ft.

Friday

WNW wind around 10 kt. Mostly sunny. Waves around 1 ft.

Friday Night

SW wind 10 to 15 kt increasing to 15 to 20 kt after midnight. 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.