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Norton, MA Local Forecast Office

19NM SE Portsmouth RI

Marine Point Forecast

[NOTICE]

Today
High: 61 °F
N 10kt⇓
1ft
Tonight
Low: 56 °F
⇑SSW 7kt
1ft
Sunday
High: 64 °F
S 13kt
1-2ft
Sunday Night
Low: 59 °F
⇑SSE 22kt
3-4ft
Monday
High: 65 °F
SSE 25kt
5ft
Monday Night
Low: 55 °F
W 19kt
4-5ft
Tuesday
High: 62 °F
SW 15kt
3-4ft
Tuesday Night
Low: 58 °F
SSW 14kt
3ft
Wednesday
High: 62 °F
SW 17kt
3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:01 am EDT Oct 18, 2025
Forecast Valid: 5am EDT Oct 18, 2025-6pm EDT Oct 24, 2025

View Nearby Observations

Detailed Forecast

Today

N wind 5 to 10 kt becoming variable and less than 5 kt in the afternoon. Sunny. Seas around 1 ft.

Tonight

Variable winds less than 5 kt becoming SSW 5 to 7 kt after midnight. Mostly clear. Seas around 1 ft.

Sunday

S wind 9 to 13 kt. Sunny. Seas 1 to 2 ft.

Sunday Night

SSE wind 15 to 18 kt increasing to 19 to 22 kt after midnight. A chance of showers, mainly after 2am. Seas 3 to 4 ft.

Monday

SSE wind 22 to 25 kt becoming S in the afternoon. Winds could gust as high as 37 kt. Showers and possibly a thunderstorm. Seas around 5 ft.

Monday Night

W wind 14 to 19 kt. A chance of showers, mainly before midnight. Seas 4 to 5 ft.

Tuesday

SW wind 11 to 15 kt. Sunny. Seas 3 to 4 ft.

Tuesday Night

SSW wind around 14 kt. A chance of showers. Seas around 3 ft.

Wednesday

S wind 12 to 17 kt becoming WSW in the afternoon. Showers likely. Seas around 3 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.