For More Weather Information:

Norton, MA Local Forecast Office

8NM NNE Portsmouth RI

Marine Point Forecast

[NOTICE]

Overnight
Low: 41 °F
SSW 16kt
2-3ft
Wednesday
High: 48 °F
SSW 11kt
1-2ft
Wednesday Night
Low: 36 °F
S 6kt
1ft
Thursday
High: 42 °F
⇑W 14kt
3ft
Thursday Night
Low: 19 °F
WNW 14kt
2ft
Friday
High: 36 °F
WNW 12kt
2ft
Friday Night
Low: 30 °F
SW 12kt
1-2ft
Saturday
High: 42 °F
SW 11kt
1-2ft
Saturday Night
Low: 31 °F
SSW 7kt⇓
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:38 pm EST Jan 13, 2026
Forecast Valid: 11pm EST Jan 13, 2026-6pm EST Jan 20, 2026

View Nearby Observations

Detailed Forecast

Overnight

SSW wind 14 to 16 kt. Cloudy. Seas 2 to 3 ft.

Wednesday

SSW wind 9 to 11 kt. Mostly cloudy. Seas 1 to 2 ft.

Wednesday Night

S wind around 6 kt. A chance of showers, mainly after 10pm. Seas around 1 ft.

Thursday

SW wind 8 to 11 kt becoming W 11 to 14 kt in the afternoon. Winds could gust as high as 20 kt. A chance of rain, mainly before 9am. Seas 1 ft building to 3 ft.

Thursday Night

WNW wind around 14 kt. Partly cloudy. Seas around 2 ft.

Friday

WNW wind around 12 kt becoming SW in the afternoon. Sunny. Seas around 2 ft.

Friday Night

SW wind 9 to 12 kt. Mostly cloudy. Seas 1 to 2 ft.

Saturday

SW wind 8 to 11 kt. Partly sunny. Seas 1 to 2 ft.

Saturday Night

SSW wind 5 to 7 kt becoming variable and less than 5 kt. Mostly cloudy. Seas around 1 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.