For More Weather Information:

Norton, MA Local Forecast Office

4NM NW Portsmouth RI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 43 °F
Light Wind
1ft
Tonight
Low: 30 °F
Light Wind
1ft
Friday
High: 49 °F
⇑S 16kt
3ft
Friday Night
Low: 42 °F
SSW 21kt⇓
3ft
Saturday
High: 46 °F
NW 8kt⇓
1ft
Saturday Night
Low: 40 °F
ENE 11kt
1ft
Sunday
High: 44 °F
⇑W 13kt
1-2ft
Sunday Night
Low: 30 °F
⇑W 24kt
2-3ft
Monday
High: 38 °F
W 23kt⇓
2-3ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:10 pm EST Jan 8, 2026
Forecast Valid: 3pm EST Jan 8, 2026-6pm EST Jan 15, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

Variable winds 5 kt or less. Sunny. Seas around 1 ft.

Tonight

Variable winds 5 kt or less. Patchy fog between 11pm and 3am. Patchy freezing fog after 3am. Seas around 1 ft.

Friday

Variable winds less than 5 kt becoming S 11 to 16 kt in the morning. A slight chance of rain after 5pm. Patchy freezing fog before 8am. Seas 1 ft building to 3 ft.

Friday Night

SSW wind 18 to 21 kt becoming W 12 to 15 kt after midnight. Rain likely, mainly before midnight. Patchy fog between 8pm and 2am. Seas 3 ft subsiding to 1 ft.

Saturday

NW wind 5 to 8 kt becoming variable and less than 5 kt. Rain likely, mainly after 3pm. Seas around 1 ft.

Saturday Night

E wind 9 to 11 kt becoming N after midnight. Rain. Seas around 1 ft.

Sunday

N wind 7 to 10 kt becoming W 10 to 13 kt in the afternoon. Rain likely, mainly before 10am. Seas 1 to 2 ft.

Sunday Night

W wind 16 to 19 kt increasing to 21 to 24 kt after midnight. A chance of rain. Seas 2 to 3 ft.

Monday

W wind 20 to 23 kt decreasing to 17 to 20 kt in the afternoon. Sunny. Seas 2 to 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.