Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

For More Weather Information:

Philadelphia, PA Local Forecast Office

24NM NNE Lewes DE

Marine Point Forecast

[NOTICE]

Tonight
Low: 14 °F
WNW 10kt⇓
< 1ft
Wednesday
High: 40 °F
⇑S 15kt
< 1ft
Wednesday Night
Low: 35 °F
SSW 10kt
< 1ft
Thursday
High: 46 °F
WSW 10kt
< 1ft
Thursday Night
Low: 28 °F
Light Wind
< 1ft
Friday
High: 37 °F
⇑WNW 10kt
< 1ft
Friday Night
Low: 12 °F
NW 15kt
< 1ft
Saturday
High: 22 °F
N 10kt
< 1ft
Saturday Night
Low: 15 °F
⇑NNE 15kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:10 pm EST Jan 20, 2026
Forecast Valid: 9pm EST Jan 20, 2026-6pm EST Jan 27, 2026

View Nearby Observations

Detailed Forecast

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

Tonight

WNW wind 5 to 10 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.

Wednesday

Variable winds less than 5 kt becoming S 10 to 15 kt in the morning. Winds could gust as high as 20 kt. Sunny. Waves 1 ft or less.

Wednesday Night

SSW wind around 10 kt, with gusts as high as 20 kt. Mostly cloudy. Waves 1 ft or less.

Thursday

WSW wind around 10 kt. Mostly sunny. Waves 1 ft or less.

Thursday Night

Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.

Friday

WNW wind 5 to 8 kt increasing to 7 to 10 kt in the afternoon. A slight chance of snow before 1pm. Waves 1 ft or less.

Friday Night

NW wind 10 to 15 kt, with gusts as high as 20 kt. Mostly cloudy. Waves 1 ft or less.

Saturday

N wind around 10 kt, with gusts as high as 20 kt. A chance of snow. Waves 1 ft or less.

Saturday Night

NNE wind 5 to 10 kt increasing to 10 to 15 kt after midnight. Winds could gust as high as 20 kt. Snow. Waves 1 ft or less.

*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.