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Norton, MA Local Forecast Office

6NM NW Portsmouth RI

Marine Point Forecast

[NOTICE]

Tonight
Low: 30 °F
SSW 16kt
1-2ft
Wednesday
High: 49 °F
⇑SSW 25kt
2-3ft
Wednesday Night
Low: 33 °F
SW 21kt⇓
2-3ft
Thursday
High: 37 °F
W 15kt
2-3ft
Thursday Night
Low: 23 °F
W 15kt
3ft
Friday
High: 35 °F
⇑W 19kt
3ft
Friday Night
Low: 28 °F
W 13kt⇓
1ft
Saturday
High: 40 °F
⇑WSW 14kt
1-2ft
Saturday Night
Low: 30 °F
W 13kt
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: 9pm 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 13 to 16 kt. A slight chance of snow before midnight, then a slight chance of rain between midnight and 2am. Seas 1 to 2 ft.

Wednesday

SSW wind 12 to 17 kt increasing to 20 to 25 kt. Winds could gust as high as 32 kt. Rain likely, mainly after 5pm. Seas 2 to 3 ft.

Wednesday Night

SW wind 18 to 21 kt decreasing to 15 to 18 kt after midnight. Winds could gust as high as 27 kt. Rain likely, mainly before 2am. Patchy fog between 8pm and 1am. Seas 2 to 3 ft.

Thursday

W wind 13 to 15 kt, with gusts as high as 29 kt. Mostly sunny. Seas 2 to 3 ft.

Thursday Night

W wind around 15 kt, with gusts as high as 25 kt. Mostly clear. Seas around 3 ft.

Friday

W wind 13 to 16 kt increasing to 16 to 19 kt in the morning. Winds could gust as high as 25 kt. Sunny. Seas around 3 ft.

Friday Night

W wind 10 to 13 kt decreasing to 7 to 10 kt after midnight. Partly cloudy. Seas around 1 ft.

Saturday

WSW wind 6 to 9 kt increasing to 11 to 14 kt in the afternoon. Partly sunny. Seas 1 to 2 ft.

Saturday Night

W wind 11 to 13 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.