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Norton, MA Local Forecast Office

3NM WSW Portsmouth RI

Marine Point Forecast

[NOTICE]

Overnight
Low: 65 °F
Light Wind
1ft
Tuesday
High: 76 °F
SW 9kt
1-2ft
Tuesday Night
Low: 64 °F
WSW 7kt
1ft
Wednesday
High: 76 °F
⇑SSW 8kt
1ft
Wednesday Night
Low: 67 °F
SW 8kt
1ft
Thursday
High: 75 °F
⇑S 13kt
1-2ft
Thursday Night
Low: 69 °F
S 9kt
1ft
Friday
High: 77 °F
SSW 8kt
1ft
Friday Night
Low: 68 °F
SW 6kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:32 pm EDT Aug 24, 2026
Forecast Valid: 12am EDT Aug 25, 2026-6pm EDT Aug 31, 2026

View Nearby Observations

Detailed Forecast

Overnight

Variable winds 5 kt or less. Mostly clear. Seas around 1 ft.

Tuesday

SW wind 5 to 9 kt. Mostly sunny. Seas 1 to 2 ft.

Tuesday Night

WSW wind 5 to 7 kt becoming WNW after midnight. Mostly clear. Seas around 1 ft.

Wednesday

Variable winds less than 5 kt becoming SSW 5 to 8 kt in the afternoon. Sunny. Seas around 1 ft.

Wednesday Night

SW wind 5 to 8 kt. Partly cloudy. Seas around 1 ft.

Thursday

S wind 6 to 9 kt increasing to 10 to 13 kt in the afternoon. A slight chance of showers after 5pm. Seas 1 to 2 ft.

Thursday Night

S wind 7 to 9 kt. Showers likely, mainly after 2am. Seas around 1 ft.

Friday

SSW wind 6 to 8 kt. Showers likely. Seas around 1 ft.

Friday Night

SW wind around 6 kt becoming NW after midnight. Partly 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.