For More Weather Information:

Norton, MA Local Forecast Office

19NM E Portsmouth RI

Marine Point Forecast

[NOTICE]

Tonight
Low: 56 °F
⇑N 9kt
3ft
Saturday
High: 65 °F
NNE 10kt
1-2ft
Saturday Night
Low: 56 °F
Light Wind
1ft
Sunday
High: 67 °F
SE 9kt
1-2ft
Sunday Night
Low: 59 °F
SE 8kt
1ft
Monday
High: 65 °F
NNE 15kt
3-4ft
Monday Night
Low: 57 °F
NE 12kt
1-2ft
Tuesday
High: 62 °F
NE 18kt
3-4ft
Tuesday Night
Low: 56 °F
NE 15kt
2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:31 pm EDT Sep 18, 2026
Forecast Valid: 8pm EDT Sep 18, 2026-6pm EDT Sep 25, 2026

View Nearby Observations

Detailed Forecast

Tonight

Variable winds less than 5 kt becoming N 5 to 9 kt in the evening. Winds could gust as high as 22 kt. Partly cloudy. Seas 1 ft building to 3 ft.

Saturday

NNE wind 7 to 10 kt becoming ENE in the afternoon. Mostly sunny. Seas 1 to 2 ft.

Saturday Night

Variable winds 5 kt or less. Partly cloudy. Seas around 1 ft.

Sunday

SE wind 6 to 9 kt. Showers likely, mainly after 5pm. Seas 1 to 2 ft.

Sunday Night

SE wind around 8 kt becoming E after midnight. Showers. Seas around 1 ft.

Monday

NNE wind around 15 kt, with gusts as high as 23 kt. Showers likely, mainly before 7am. Seas 3 to 4 ft.

Monday Night

NE wind 10 to 12 kt. Mostly cloudy. Seas 1 to 2 ft.

Tuesday

NE wind 16 to 18 kt, with gusts as high as 25 kt. Partly sunny. Seas 3 to 4 ft.

Tuesday Night

NE wind around 15 kt. Mostly cloudy. Seas around 2 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.