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Norton, MA Local Forecast Office

17NM SE Portsmouth RI

Marine Point Forecast

[NOTICE]

Overnight
Low: 65 °F
NNE 19kt
2-3ft
Monday
High: 68 °F
NE 22kt
4ft
Monday Night
Low: 51 °F
ENE 14kt
2-3ft
Tuesday
High: 70 °F
E 14kt
2-3ft
Tuesday Night
Low: 64 °F
E 13kt
3ft
Wednesday
High: 71 °F
E 15kt
4-5ft
Wednesday Night
Low: 64 °F
ENE 17kt
6-7ft
Thursday
High: 72 °F
NE 21kt
9ft
Thursday Night
Low: 64 °F
NNE 22kt
6ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:45 pm EDT Aug 17, 2025
Forecast Valid: 12am EDT Aug 18, 2025-6pm EDT Aug 24, 2025

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

Overnight

NW wind 15 to 19 kt becoming NNE. A chance of showers and thunderstorms. Seas 2 to 3 ft.

Monday

NE wind 19 to 22 kt. Cloudy through mid morning, then gradual clearing. Seas around 4 ft.

Monday Night

ENE wind 11 to 14 kt, with gusts as high as 20 kt. Mostly clear. Seas 2 to 3 ft.

Tuesday

E wind 11 to 14 kt, with gusts as high as 20 kt. Mostly sunny. Seas 2 to 3 ft.

Tuesday Night

E wind 11 to 13 kt. Mostly cloudy. Seas around 3 ft.

Wednesday

E wind 13 to 15 kt, with gusts as high as 21 kt. A chance of showers, mainly after 11am. Seas 4 to 5 ft.

Wednesday Night

ENE wind 15 to 17 kt. A chance of showers. Seas 6 to 7 ft.

Thursday

NE wind 19 to 21 kt, with gusts as high as 28 kt. Mostly sunny. Seas 9 ft subsiding to 7 ft.

Thursday Night

NNE wind around 22 kt becoming N after midnight. Winds could gust as high as 28 kt. Mostly clear. Seas 6 ft subsiding to 4 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.