For More Weather Information:

Norton, MA Local Forecast Office

3NM SSE Portsmouth RI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 33 °F
Light Wind
1ft
Tonight
Low: 28 °F
Light Wind
1ft
Saturday
High: 43 °F
⇑SSE 8kt
1ft
Saturday Night
Low: 32 °F
Light Wind
1ft
Sunday
High: 40 °F
Light Wind
1ft
Sunday Night
Low: 28 °F
⇑WNW 8kt
1ft
Monday
High: 31 °F
NW 14kt
2-3ft
Monday Night
Low: 20 °F
NNW 10kt
1-2ft
Tuesday
High: 38 °F
⇑SW 10kt
1-2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:40 pm EST Dec 5, 2025
Forecast Valid: 2pm EST Dec 5, 2025-6pm EST Dec 11, 2025

View Nearby Observations

Detailed Forecast

This Afternoon

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

Tonight

Variable winds 5 kt or less. Increasing clouds. Seas around 1 ft.

Saturday

Variable winds less than 5 kt becoming SSE 5 to 8 kt in the morning. A slight chance of light rain between 9am and 3pm. Seas around 1 ft.

Saturday Night

Variable winds 5 kt or less. Cloudy during the early evening, then gradual clearing. Seas around 1 ft.

Sunday

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

Sunday Night

Variable winds less than 5 kt becoming WNW 5 to 8 kt after midnight. A slight chance of rain between midnight and 3am, then a slight chance of snow after 3am. Seas around 1 ft.

Monday

NW wind 11 to 14 kt, with gusts as high as 20 kt. Sunny. Seas 2 to 3 ft.

Monday Night

NNW wind 6 to 10 kt. Partly cloudy. Seas 1 to 2 ft.

Tuesday

Variable winds less than 5 kt becoming SW 5 to 10 kt in the morning. Mostly sunny. Seas 1 to 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.