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Norton, MA Local Forecast Office

21NM E Portsmouth RI

Marine Point Forecast

[NOTICE]

Tonight
Low: 67 °F
SSW 10kt
1ft
Tuesday
High: 72 °F
⇑SSW 20kt
4ft
Tuesday Night
Low: 68 °F
SW 19kt
4ft
Wednesday
High: 74 °F
SW 14kt
2ft
Wednesday Night
Low: 67 °F
SW 13kt
2ft
Thursday
High: 76 °F
⇑SW 16kt
3ft
Thursday Night
Low: 66 °F
WSW 13kt
1-2ft
Independence Day
High: 75 °F
WSW 12kt
1-2ft
Friday Night
Low: 65 °F
WSW 10kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:40 pm EDT Jun 30, 2025
Forecast Valid: 7pm EDT Jun 30, 2025-6pm EDT Jul 7, 2025

View Nearby Observations

Detailed Forecast

Tonight

SSW wind 7 to 10 kt. Scattered showers and thunderstorms, mainly after 5am. Patchy fog. Seas around 1 ft.

Tuesday

SSW wind 13 to 16 kt increasing to 17 to 20 kt in the afternoon. Winds could gust as high as 28 kt. Scattered showers and thunderstorms before 11am, then a slight chance of showers after 5pm. Patchy fog before 9am. Seas 2 ft building to 4 ft.

Tuesday Night

SW wind 14 to 19 kt. Showers and thunderstorms likely. Patchy fog after 9pm. Seas 4 ft subsiding to 2 ft.

Wednesday

SW wind 10 to 14 kt. A chance of showers, mainly before 11am. Seas around 2 ft.

Wednesday Night

SW wind 9 to 13 kt. Mostly cloudy. Seas around 2 ft.

Thursday

SW wind 8 to 11 kt increasing to 13 to 16 kt in the afternoon. Sunny. Seas 1 ft building to 3 ft.

Thursday Night

WSW wind 10 to 13 kt becoming WNW after midnight. Partly cloudy. Seas 1 to 2 ft.

Independence Day

WNW wind 10 to 12 kt becoming WSW in the afternoon. Sunny. Seas 1 to 2 ft.

Friday Night

WSW wind 8 to 10 kt becoming NNW after midnight. Mostly clear. Seas around 1 ft.

Winds and seas higher in and near tstms. 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.