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Norton, MA Local Forecast Office

22NM ESE Portsmouth RI

Marine Point Forecast

[NOTICE]

Tonight
Low: 48 °F
ESE 7kt
< 1ft
Sunday
High: 66 °F
SE 11kt
< 1ft
Sunday Night
Low: 61 °F
SE 12kt⇓
< 1ft
Monday
High: 65 °F
NNE 19kt
< 1ft
Monday Night
Low: 58 °F
NE 13kt
< 1ft
Tuesday
High: 62 °F
NE 17kt
< 1ft
Tuesday Night
Low: 58 °F
NE 20kt
< 1ft
Wednesday
High: 63 °F
ENE 26kt
< 1ft
Wednesday Night
Low: 58 °F
ENE 25kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:33 pm EDT Sep 19, 2026
Forecast Valid: 9pm EDT Sep 19, 2026-6pm EDT Sep 26, 2026

View Nearby Observations

Detailed Forecast

Tonight

ESE wind 5 to 7 kt. Partly cloudy. Seas 1 ft or less.

Sunday

SE wind 8 to 11 kt. Showers likely, mainly after 2pm. Patchy fog after 4pm. Seas 1 ft or less.

Sunday Night

SE wind 9 to 12 kt decreasing to 6 to 9 kt after midnight. Showers, mainly before 5am. Patchy fog before 7pm, then Patchy fog after 9pm. Seas 1 ft or less.

Monday

NNE wind 16 to 19 kt, with gusts as high as 25 kt. A chance of showers before 8am. Patchy fog before 7am, then Patchy fog between 8am and 9am. Seas 1 ft or less.

Monday Night

NE wind 11 to 13 kt. Mostly cloudy. Seas 1 ft or less.

Tuesday

NE wind 15 to 17 kt, with gusts as high as 23 kt. Partly sunny. Seas 1 ft or less.

Tuesday Night

NE wind 18 to 20 kt. Mostly cloudy. Seas 1 ft or less.

Wednesday

ENE wind 23 to 26 kt. Partly sunny. Seas 1 ft or less.

Wednesday Night

ENE wind 23 to 25 kt. Mostly cloudy. Seas 1 ft or less.

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.