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Norton, MA Local Forecast Office

Nantucket MA

Marine Point Forecast

[NOTICE]

Today
High: 73 °F
WSW 11kt
2ft
Tonight
Low: 59 °F
⇑NNE 16kt
2-3ft
Saturday
High: 64 °F
NE 14kt
2-3ft
Saturday Night
Low: 57 °F
ENE 6kt
2ft
Sunday
High: 67 °F
ESE 10kt
2ft
Sunday Night
Low: 61 °F
E 7kt
2ft
Monday
High: 67 °F
NE 15kt
3ft
Monday Night
Low: 59 °F
NE 17kt
3ft
Tuesday
High: 64 °F
NE 20kt
4ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:02 am EDT Sep 18, 2026
Forecast Valid: 6am EDT Sep 18, 2026-6pm EDT Sep 24, 2026

View Nearby Observations

Detailed Forecast

Today

WSW wind 9 to 11 kt becoming N in the afternoon. A chance of showers, mainly before 7am. Seas around 2 ft.

Tonight

Variable winds less than 5 kt becoming NNE 11 to 16 kt in the evening. Partly cloudy. Seas 2 to 3 ft.

Saturday

NE wind 9 to 14 kt. Mostly sunny. Seas 2 to 3 ft.

Saturday Night

ENE wind around 6 kt becoming ESE after midnight. Partly cloudy. Seas around 2 ft.

Sunday

ESE wind 8 to 10 kt. A chance of showers, mainly after 2pm. Seas around 2 ft.

Sunday Night

E wind around 7 kt. Showers likely, with thunderstorms also possible after 2am. Patchy fog after 10pm. Seas around 2 ft.

Monday

NE wind 11 to 15 kt. A chance of showers. The rain could be heavy at times. Seas around 3 ft.

Monday Night

NE wind 14 to 17 kt. A chance of showers. Seas around 3 ft.

Tuesday

NE wind around 20 kt. A chance of showers. Seas around 4 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.