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Norton, MA Local Forecast Office

20NM E Portsmouth RI

Marine Point Forecast

[NOTICE]

Overnight
Low: 50 °F
SW 10kt
1-2ft
Wednesday
High: 60 °F
S 10kt
1-2ft
Wednesday Night
Low: 49 °F
SSW 8kt
1ft
Thursday
High: 57 °F
⇑SSW 11kt
1-2ft
Thursday Night
Low: 51 °F
SSW 10kt
1ft
Friday
High: 62 °F
SSW 9kt
1ft
Friday Night
Low: 47 °F
NNE 7kt
1ft
Saturday
High: 51 °F
NNE 8kt
1ft
Saturday Night
Low: 46 °F
ENE 6kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:00 pm EDT Apr 14, 2026
Forecast Valid: 11pm EDT Apr 14, 2026-6pm EDT Apr 21, 2026

View Nearby Observations

Detailed Forecast

Overnight

SW wind 8 to 10 kt. A slight chance of showers before midnight. Patchy fog after 4am. Seas 1 to 2 ft.

Wednesday

SW wind 5 to 10 kt becoming S in the afternoon. A slight chance of showers after 4pm. Patchy fog before 8am. Seas 1 to 2 ft.

Wednesday Night

SSW wind 5 to 8 kt becoming WSW after midnight. A chance of showers and thunderstorms. Patchy fog after 11pm. Seas around 1 ft.

Thursday

SSW wind 5 to 8 kt increasing to 8 to 11 kt in the afternoon. Partly sunny. Seas 1 to 2 ft.

Thursday Night

SSW wind 6 to 10 kt. A slight chance of showers after 2am. Seas around 1 ft.

Friday

SW wind 5 to 9 kt becoming S in the afternoon. A chance of showers, mainly after 2pm. Seas around 1 ft.

Friday Night

NNE wind around 7 kt. A chance of showers before 9pm. Seas around 1 ft.

Saturday

NNE wind around 8 kt. Partly sunny. Seas around 1 ft.

Saturday Night

ENE wind around 6 kt becoming SE after midnight. Mostly cloudy. 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.