For More Weather Information:

Norton, MA Local Forecast Office

7NM NNE Portsmouth RI

Marine Point Forecast

[NOTICE]

Late Afternoon
High: 45 °F
ENE 8kt
2ft
Tonight
Low: 34 °F
N 14kt
2-3ft
Wednesday
High: 42 °F
NNW 8kt⇓
3ft
Wednesday Night
Low: 34 °F
⇑SW 7kt
1-2ft
Thursday
High: 42 °F
WNW 13kt
2-3ft
Thursday Night
Low: 19 °F
NW 16kt⇓
2-3ft
Friday
High: 33 °F
WNW 6kt
1-2ft
Friday Night
Low: 28 °F
Light Wind
1ft
Saturday
High: 40 °F
Light Wind
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:18 pm EST Dec 2, 2025
Forecast Valid: 4pm EST Dec 2, 2025-6pm EST Dec 9, 2025

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING...

Late Afternoon

ENE wind around 8 kt. Rain. Seas around 2 ft.

Tonight

NNE wind 10 to 14 kt becoming NNW after midnight. Winds could gust as high as 29 kt. Rain before 2am, then a chance of snow. Seas 2 to 3 ft.

Wednesday

NNW wind 5 to 8 kt becoming variable and less than 5 kt in the afternoon. Winds could gust as high as 21 kt. Mostly sunny. Seas 3 ft subsiding to 1 ft.

Wednesday Night

Variable winds less than 5 kt becoming SW 5 to 7 kt after midnight. Partly cloudy. Seas 1 to 2 ft.

Thursday

WSW wind 8 to 13 kt becoming WNW in the afternoon. Winds could gust as high as 28 kt. A slight chance of showers after 4pm. Seas 2 to 3 ft.

Thursday Night

NW wind 13 to 16 kt decreasing to 7 to 10 kt after midnight. Winds could gust as high as 30 kt. Mostly clear. Seas 2 to 3 ft.

Friday

WNW wind around 6 kt becoming SW in the afternoon. Sunny. Seas 1 to 2 ft.

Friday Night

Variable winds 5 kt or less. A chance of snow after 1am, mixing with rain after 4am. Seas around 1 ft.

Saturday

Variable winds 5 kt or less. A chance of snow before 8am, then a chance of rain and snow between 8am and 10am, then a chance of rain after 10am. 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.