For More Weather Information:

Norton, MA Local Forecast Office

6NM NW Portsmouth RI

Marine Point Forecast

[NOTICE]

Wednesday
High: 83 °F
⇑S 12kt
1-2ft
Wednesday Night
Low: 71 °F
S 11kt
1ft
Thursday
High: 81 °F
SSW 15kt
3ft
Thursday Night
Low: 73 °F
SSW 13kt
1-2ft
Friday
High: 83 °F
NW 10kt
1ft
Friday Night
Low: 75 °F
NNE 8kt
1ft
Saturday
High: 78 °F
S 9kt
1ft
Saturday Night
Low: 64 °F
S 9kt
1ft
Sunday
High: 77 °F
SSW 11kt
1-2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:11 am EDT Jul 16, 2025
Forecast Valid: 1am EDT Jul 16, 2025-6pm EDT Jul 22, 2025

View Nearby Observations

Detailed Forecast

Wednesday

Variable winds less than 5 kt becoming S 7 to 12 kt in the morning. Patchy fog before 7am. Seas 1 to 2 ft.

Wednesday Night

S wind 9 to 11 kt. Patchy fog after 5am. Seas around 1 ft.

Thursday

SSW wind 10 to 15 kt. A chance of showers, mainly before 5pm. Seas 1 ft building to 3 ft.

Thursday Night

SSW wind 10 to 13 kt becoming W after midnight. A slight chance of showers before 10pm. Seas 1 to 2 ft.

Friday

NW wind around 10 kt. Mostly sunny. Seas around 1 ft.

Friday Night

NNE wind around 8 kt. Partly cloudy. Seas around 1 ft.

Saturday

NNE wind 6 to 9 kt becoming S in the afternoon. Mostly sunny. Seas around 1 ft.

Saturday Night

S wind around 9 kt. Mostly cloudy. Seas around 1 ft.

Sunday

SSW wind 9 to 11 kt. A chance of showers. 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.