For More Weather Information:

Norton, MA Local Forecast Office

21NM E Portsmouth RI

Marine Point Forecast

[NOTICE]

Tonight
Low: 67 °F
S 6kt⇓
1ft
Saturday
High: 72 °F
ESE 11kt
1ft
Saturday Night
Low: 66 °F
ESE 9kt
1ft
Sunday
High: 72 °F
SE 11kt
1-2ft
Sunday Night
Low: 67 °F
SSE 8kt
1ft
Monday
High: 75 °F
SSW 12kt
1-2ft
Monday Night
Low: 70 °F
SW 10kt
1ft
Tuesday
High: 78 °F
SW 13kt
1-2ft
Tuesday Night
Low: 71 °F
WSW 12kt
1-2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:46 pm EDT Jul 11, 2025
Forecast Valid: 10pm EDT Jul 11, 2025-6pm EDT Jul 18, 2025

View Nearby Observations

Detailed Forecast

Tonight

S wind around 6 kt becoming variable and less than 5 kt after midnight. Patchy fog. Seas around 1 ft.

Saturday

ESE wind 6 to 11 kt. Patchy fog before 11am. Seas around 1 ft.

Saturday Night

ESE wind 7 to 9 kt. Patchy fog after 11pm. Seas around 1 ft.

Sunday

E wind 8 to 11 kt becoming SE in the afternoon. Partly sunny. Seas 1 to 2 ft.

Sunday Night

SSE wind around 8 kt. Mostly cloudy. Seas around 1 ft.

Monday

SSW wind 8 to 12 kt. Partly sunny. Seas 1 to 2 ft.

Monday Night

SW wind around 10 kt. Mostly cloudy. Seas around 1 ft.

Tuesday

SW wind 8 to 13 kt. Mostly sunny. Seas 1 to 2 ft.

Tuesday Night

WSW wind 10 to 12 kt. Partly cloudy. 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.