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 >

For More Weather Information:

Norton, MA Local Forecast Office

7NM NNE Portsmouth RI

Marine Point Forecast

[NOTICE]

Monday
High: 28 °F
N 16kt⇓
2ft
Monday Night
Low: 18 °F
N 9kt⇓
1ft
Tuesday
High: 38 °F
⇑SSW 6kt
1ft
Tuesday Night
Low: 35 °F
SW 12kt
1-2ft
Wednesday
High: 48 °F
⇑SSW 17kt
3ft
Wednesday Night
Low: 37 °F
SW 17kt
2-3ft
Thursday
High: 40 °F
W 13kt
2ft
Thursday Night
Low: 29 °F
W 11kt
1ft
Friday
High: 37 °F
W 11kt
1-2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:04 am EST Dec 8, 2025
Forecast Valid: 3am EST Dec 8, 2025-6pm EST Dec 14, 2025

View Nearby Observations

Detailed Forecast

Monday

N wind 13 to 16 kt decreasing to 10 to 13 kt in the afternoon. Sunny. Seas around 2 ft.

Monday Night

N wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas around 1 ft.

Tuesday

Variable winds less than 5 kt becoming SSW around 6 kt in the afternoon. Increasing clouds. Seas around 1 ft.

Tuesday Night

SW wind 9 to 12 kt. A slight chance of snow before 8pm, then a chance of rain. Seas 1 to 2 ft.

Wednesday

SSW wind 10 to 13 kt increasing to 14 to 17 kt in the afternoon. Winds could gust as high as 24 kt. Rain likely, mainly after 4pm. Seas 1 ft building to 3 ft.

Wednesday Night

SW wind 13 to 17 kt becoming W after midnight. A chance of rain, mainly before 3am. Seas 2 to 3 ft.

Thursday

W wind around 13 kt. Mostly sunny. Seas around 2 ft.

Thursday Night

W wind 8 to 11 kt. Partly cloudy. Seas around 1 ft.

Friday

W wind 8 to 11 kt. Mostly sunny. Seas 1 to 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.