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Norton, MA Local Forecast Office

3NM SSE Portsmouth RI

Marine Point Forecast

[NOTICE]

Tonight
Low: 32 °F
SSW 13kt
3ft
Wednesday
High: 50 °F
⇑SSW 18kt
4ft
Wednesday Night
Low: 34 °F
WSW 16kt⇓
2-3ft
Thursday
High: 38 °F
W 16kt
3ft
Thursday Night
Low: 24 °F
W 17kt
3ft
Friday
High: 36 °F
W 14kt
2-3ft
Friday Night
Low: 29 °F
W 9kt
1-2ft
Saturday
High: 41 °F
WSW 11kt
1-2ft
Saturday Night
Low: 31 °F
W 9kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:52 pm EST Dec 9, 2025
Forecast Valid: 7pm EST Dec 9, 2025-6pm EST Dec 16, 2025

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE WEDNESDAY NIGHT...

Tonight

SSW wind 8 to 13 kt, with gusts as high as 25 kt. A slight chance of rain and snow before midnight, then a slight chance of rain between midnight and 2am. Seas 1 ft building to 3 ft.

Wednesday

SSW wind 11 to 14 kt increasing to 15 to 18 kt in the afternoon. Winds could gust as high as 30 kt. A chance of rain, mainly after 3pm. Seas 2 ft building to 4 ft.

Wednesday Night

WSW wind 13 to 16 kt decreasing to 10 to 13 kt after midnight. Winds could gust as high as 29 kt. A chance of rain, mainly before 2am. Seas 2 to 3 ft.

Thursday

W wind 14 to 16 kt, with gusts as high as 27 kt. Mostly sunny. Seas around 3 ft.

Thursday Night

W wind 15 to 17 kt, with gusts as high as 26 kt. Mostly clear. Seas around 3 ft.

Friday

W wind 12 to 14 kt, with gusts as high as 26 kt. Sunny. Seas 2 to 3 ft.

Friday Night

W wind 6 to 9 kt. Partly cloudy. Seas 1 to 2 ft.

Saturday

WSW wind 6 to 11 kt. A chance of snow. Seas 1 to 2 ft.

Saturday Night

W wind around 9 kt. A chance of snow. 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.