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 >

For More Weather Information:

Norton, MA Local Forecast Office

3NM SSE Portsmouth RI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 29 °F
N 11kt
2ft
Tonight
Low: 18 °F
N 8kt⇓
1ft
Tuesday
High: 36 °F
⇑SSW 7kt
1ft
Tuesday Night
Low: 34 °F
SSW 13kt
2-3ft
Wednesday
High: 49 °F
⇑SSW 17kt
4ft
Wednesday Night
Low: 37 °F
SW 16kt
2-3ft
Thursday
High: 42 °F
WNW 13kt
2ft
Thursday Night
Low: 28 °F
W 11kt
2ft
Friday
High: 35 °F
W 13kt
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: 3pm EST Dec 8, 2025-6pm EST Dec 15, 2025

View Nearby Observations

Detailed Forecast

This Afternoon

N wind around 11 kt. Mostly sunny. Seas around 2 ft.

Tonight

N wind 5 to 8 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 5 to 7 kt in the afternoon. Increasing clouds. Seas around 1 ft.

Tuesday Night

SSW wind 10 to 13 kt becoming WSW after midnight. Winds could gust as high as 24 kt. A chance of rain, mainly before 2am. Seas 2 to 3 ft.

Wednesday

SSW wind 11 to 14 kt increasing to 14 to 17 kt in the afternoon. Winds could gust as high as 26 kt. Rain likely, mainly after 4pm. Seas 2 ft building to 4 ft.

Wednesday Night

SW wind 12 to 16 kt becoming W after midnight. Winds could gust as high as 24 kt. A chance of rain, mainly before 3am. Seas 2 to 3 ft.

Thursday

WNW wind 11 to 13 kt. Mostly sunny. Seas around 2 ft.

Thursday Night

W wind 9 to 11 kt. Partly cloudy. Seas around 2 ft.

Friday

W wind 10 to 13 kt. Mostly sunny. 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.