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Norton, MA Local Forecast Office

15NM E Portsmouth RI

Marine Point Forecast

[NOTICE]

Wednesday
High: 81 °F
⇑SSW 9kt
< 1ft
Wednesday Night
Low: 71 °F
SSW 7kt
< 1ft
Thursday
High: 81 °F
SSW 13kt
< 1ft
Thursday Night
Low: 72 °F
SW 10kt
< 1ft
Friday
High: 84 °F
WNW 9kt
< 1ft
Friday Night
Low: 74 °F
Light Wind
< 1ft
Saturday
High: 78 °F
SSE 7kt
< 1ft
Saturday Night
Low: 65 °F
Light Wind
< 1ft
Sunday
High: 78 °F
SSW 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:31 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 SSW 5 to 9 kt in the morning. Patchy fog before 10am. Seas 1 ft or less.

Wednesday Night

SSW wind around 7 kt. Patchy fog after midnight. Seas 1 ft or less.

Thursday

SSW wind 8 to 13 kt. A slight chance of showers. Seas 1 ft or less.

Thursday Night

SW wind 8 to 10 kt. A slight chance of showers before 10pm. Seas 1 ft or less.

Friday

WNW wind 7 to 9 kt becoming NNW in the afternoon. Mostly sunny. Seas 1 ft or less.

Friday Night

Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

Saturday

NNE wind 5 to 7 kt becoming S in the afternoon. Mostly sunny. Seas 1 ft or less.

Saturday Night

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

Sunday

SSW wind 6 to 10 kt. A chance of showers. Seas 1 ft or less.

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.