Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

For More Weather Information:

Norton, MA Local Forecast Office

20NM W Hyannis MA

Marine Point Forecast

[NOTICE]

Tonight
Low: 21 °F
N 12kt
1-2ft
Tuesday
High: 37 °F
⇑SSW 11kt
1ft
Tuesday Night
Low: 31 °F
⇑SSW 23kt
3ft
Wednesday
High: 49 °F
⇑SSW 25kt
3ft
Wednesday Night
Low: 39 °F
SW 26kt⇓
3-4ft
Thursday
High: 42 °F
WNW 21kt
3ft
Thursday Night
Low: 29 °F
W 21kt
3ft
Friday
High: 36 °F
W 20kt
3ft
Friday Night
Low: 30 °F
W 16kt
2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:46 pm EST Dec 8, 2025
Forecast Valid: 8pm EST Dec 8, 2025-6pm EST Dec 15, 2025

View Nearby Observations

Detailed Forecast

Tonight

N wind 7 to 12 kt. Partly cloudy. Seas 1 to 2 ft.

Tuesday

NW wind 5 to 8 kt becoming SSW 8 to 11 kt in the afternoon. Increasing clouds. Seas around 1 ft.

Tuesday Night

SSW wind 16 to 19 kt becoming SSW 20 to 23 kt after midnight. A slight chance of snow between 8pm and 9pm, then a chance of rain. Seas around 3 ft.

Wednesday

SSW wind 17 to 20 kt increasing to 22 to 25 kt in the afternoon. A chance of rain, mainly after noon. Seas around 3 ft.

Wednesday Night

SW wind 23 to 26 kt becoming WSW 20 to 23 kt after midnight. A chance of rain, mainly before 3am. Seas 3 to 4 ft.

Thursday

WNW wind 19 to 21 kt. Mostly sunny. Seas around 3 ft.

Thursday Night

W wind 18 to 21 kt. Partly cloudy. Seas around 3 ft.

Friday

W wind 18 to 20 kt. Mostly sunny. Seas around 3 ft.

Friday Night

W wind 13 to 16 kt. A chance of snow after midnight, mixing with rain after 5am. Seas around 2 ft.

Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.

*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.