Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Hazardous Weather Conditions

Small Craft Advisory in effect from December 8, 01:00 AM EST until December 8, 06:00 PM EST

For More Weather Information:

Philadelphia, PA Local Forecast Office

28NM NNW Lewes DE

Marine Point Forecast

[NOTICE]

This Afternoon
High: 42 °F
Light Wind
< 1ft
Tonight
Low: 31 °F
⇑NNW 20kt
< 1ft

Small Craft Advisory
Monday
High: 34 °F
NNE 20kt⇓
2ft

Small Craft Advisory
Monday Night
Low: 25 °F
NNE 15kt⇓
1-2ft
Tuesday
High: 39 °F
⇑SSW 10kt
< 1ft
Tuesday Night
Low: 37 °F
SW 20kt
1-2ft
Wednesday
High: 48 °F
SSW 20kt
2ft
Wednesday Night
Low: 41 °F
SW 25kt
2-3ft
Thursday
High: 44 °F
WNW 15kt
2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:32 am EST Dec 7, 2025
Forecast Valid: 3pm EST Dec 7, 2025-6pm EST Dec 14, 2025

View Nearby Observations

Detailed Forecast

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

This Afternoon

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

Tonight

WSW wind 5 to 8 kt becoming NNW 15 to 20 kt. Mostly cloudy. Waves 1 ft or less.

Monday

NNE wind 17 to 20 kt decreasing to 15 to 18 kt in the afternoon. Mostly cloudy. Waves around 2 ft.

Monday Night

NNE wind 12 to 15 kt decreasing to 10 to 13 kt after midnight. Mostly cloudy, then gradually becoming mostly clear. Waves 1 to 2 ft.

Tuesday

NNE wind 5 to 8 kt becoming SSW 7 to 10 kt in the afternoon. Mostly 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 after 1pm. Waves around 2 ft.

Wednesday Night

SW wind 20 to 25 kt becoming W after midnight. Mostly cloudy. Waves 2 to 3 ft.

Thursday

WNW wind 10 to 15 kt. Partly sunny. Waves around 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.