For More Weather Information:

Norton, MA Local Forecast Office

2NM WNW Portsmouth RI

Marine Point Forecast

[NOTICE]

Today
High: 81 °F
⇑SSW 10kt
1ft
Tonight
Low: 69 °F
Light Wind
1ft
Wednesday
High: 82 °F
⇑SSW 9kt
1-2ft
Wednesday Night
Low: 70 °F
SW 8kt⇓
1ft
Thursday
High: 82 °F
Light Wind
1ft
Thursday Night
Low: 67 °F
SW 6kt⇓
1ft
Friday
High: 79 °F
Light Wind
1ft
Friday Night
Low: 68 °F
Light Wind
1ft
Saturday
High: 75 °F
ENE 8kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:13 am EDT Aug 18, 2026
Forecast Valid: 10am EDT Aug 18, 2026-6pm EDT Aug 24, 2026

View Nearby Observations

Detailed Forecast

Today

Variable winds less than 5 kt becoming SSW 5 to 10 kt in the afternoon. A slight chance of showers after 5pm. Seas around 1 ft.

Tonight

Variable winds 5 kt or less. A slight chance of showers before 8pm. Patchy fog after 1am. Seas around 1 ft.

Wednesday

Variable winds less than 5 kt becoming SSW 5 to 9 kt in the afternoon. Mostly sunny. Seas 1 to 2 ft.

Wednesday Night

SW wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas around 1 ft.

Thursday

Variable winds 5 kt or less. A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Seas around 1 ft.

Thursday Night

SW wind around 6 kt becoming variable and less than 5 kt in the evening. A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 5am. Seas around 1 ft.

Friday

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

Friday Night

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

Saturday

NE wind 6 to 8 kt becoming E in the afternoon. A chance of showers. Seas around 1 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.