Heavy Snow from the Midwest into the Great Lakes; Locally Heavy Rain in the Western Gulf Coast

A significant winter storm will produce a broad area of moderate to heavy snow from the Midwest through the western Great Lakes. Significant snow accumulations of 6-12 inches, and locally more than 1 foot, and gusty wind may cause hazardous travel conditions. Thunderstorms, some severe, and showers may produce locally heavy rain and isolated flash flooding along the western Gulf Coast. Read More >

For More Weather Information:

Norton, MA Local Forecast Office

17NM SE Portsmouth RI

Marine Point Forecast

[NOTICE]

Overnight
Low: 36 °F
Light Wind
1ft
Sunday
High: 53 °F
⇑S 24kt
5ft
Sunday Night
Low: 39 °F
S 27kt⇓
6ft
Monday
High: 43 °F
WNW 21kt⇓
3-4ft
Monday Night
Low: 35 °F
NNW 11kt⇓
1-2ft
Tuesday
High: 47 °F
⇑E 15kt
1-2ft
Tuesday Night
Low: 35 °F
⇑N 29kt
6ft
Wednesday
High: 42 °F
NNW 24kt⇓
6ft
Wednesday Night
Low: 37 °F
⇑WSW 17kt
3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 5:37 pm EST Nov 29, 2025
Forecast Valid: 11pm EST Nov 29, 2025-6pm EST Dec 6, 2025

View Nearby Observations

Detailed Forecast

Overnight

Variable winds 5 kt or less. Mostly cloudy. Seas around 1 ft.

Sunday

S wind 12 to 17 kt increasing to 19 to 24 kt. A chance of rain, mainly after 3pm. Seas 1 ft building to 5 ft.

Sunday Night

S wind 24 to 27 kt becoming W 21 to 24 kt after midnight. Rain, mainly before 1am. Patchy fog before 11pm. Seas 6 ft subsiding to 4 ft.

Monday

WNW wind 18 to 21 kt becoming NNW 14 to 17 kt in the afternoon. Sunny. Seas 3 to 4 ft.

Monday Night

NNW wind 8 to 11 kt becoming NNE 5 to 8 kt in the evening. Mostly cloudy. Seas 1 to 2 ft.

Tuesday

S wind 8 to 11 kt becoming E 12 to 15 kt in the afternoon. Rain, mainly after noon. Seas 1 to 2 ft.

Tuesday Night

N wind 20 to 23 kt increasing to 26 to 29 kt after midnight. Rain, mainly before 2am. Seas 3 ft building to 6 ft.

Wednesday

NNW wind 19 to 24 kt becoming NW 12 to 17 kt. Mostly sunny. Seas 6 ft subsiding to 4 ft.

Wednesday Night

WSW wind 11 to 14 kt increasing to 14 to 17 kt after midnight. Partly cloudy. Seas around 3 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.