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Norton, MA Local Forecast Office

15NM E Portsmouth RI

Marine Point Forecast

[NOTICE]

Wednesday
High: 48 °F
⇑S 7kt
< 1ft
Wednesday Night
Low: 46 °F
SSW 15kt
< 1ft
Thursday
High: 48 °F
SW 15kt
< 1ft
Thursday Night
Low: 30 °F
WNW 11kt
< 1ft
Friday
High: 42 °F
⇑SSW 13kt
< 1ft
Friday Night
Low: 37 °F
S 16kt
< 1ft
Saturday
High: 46 °F
W 17kt
< 1ft
Saturday Night
Low: 29 °F
WNW 10kt
< 1ft
Sunday
High: 45 °F
⇑SE 8kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:50 am EDT Mar 11, 2026
Forecast Valid: 3am EDT Mar 11, 2026-6pm EDT Mar 17, 2026

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Detailed Forecast

Wednesday

Variable winds less than 5 kt becoming S 5 to 7 kt in the afternoon. Mostly cloudy. Seas 1 ft or less.

Wednesday Night

SSW wind 10 to 15 kt, with gusts as high as 23 kt. A chance of rain and thunderstorms, mainly after 9pm. Seas 1 ft or less.

Thursday

SW wind 13 to 15 kt becoming WNW in the afternoon. Winds could gust as high as 22 kt. Rain. Seas 1 ft or less.

Thursday Night

WNW wind 9 to 11 kt. A chance of snow, mainly before 8pm. Seas 1 ft or less.

Friday

W wind 6 to 9 kt becoming SSW 10 to 13 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

Friday Night

S wind 12 to 16 kt, with gusts as high as 23 kt. A chance of rain, mainly after 8pm. Seas 1 ft or less.

Saturday

W wind 15 to 17 kt, with gusts as high as 25 kt. Sunny. Seas 1 ft or less.

Saturday Night

WNW wind 5 to 10 kt. Partly cloudy. Seas 1 ft or less.

Sunday

Variable winds less than 5 kt becoming SE 5 to 8 kt in the afternoon. Mostly cloudy. Seas 1 ft or less.

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.