National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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Norton, MA Local Forecast Office

52NM SSW Nantucket MA

Marine Point Forecast

[NOTICE]

    • This Afternoon

      This Afternoon:SW wind around 14 kt. Mostly sunny. Seas around 4 ft.

      High: 77 °F

      SW 14kt
      4ft

    • Tonight

      Tonight:SW wind 15 to 17 kt. A chance of showers and thunderstorms, mainly before 1am. Patchy fog after 11pm. Seas around 4 ft.

      Low: 72 °F

      SW 17kt
      4ft

    • Sunday

      Sunday:WSW wind 11 to 13 kt. Mostly sunny. Seas around 4 ft.

      High: 77 °F

      WSW 13kt
      4ft

    • Sunday Night

      Sunday Night:WSW wind 11 to 14 kt becoming WNW 8 to 11 kt after midnight. Patchy fog after midnight. Seas around 4 ft.

      Low: 71 °F

      WSW 14kt⇓
      4ft

    • Monday

      Monday:Variable winds less than 5 kt becoming WSW 5 to 8 kt in the afternoon. Sunny. Seas around 3 ft.

      High: 76 °F

      ⇑WSW 8kt
      3ft

    • Monday Night

      Monday Night:SW wind 11 to 13 kt. A slight chance of showers between 11pm and 1am. Seas around 3 ft.

      Low: 71 °F

      SW 13kt
      3ft

    • Tuesday

      Tuesday:WSW wind around 13 kt. Sunny. Seas around 3 ft.

      High: 78 °F

      WSW 13kt
      3ft

    • Tuesday Night

      Tuesday Night:WSW wind 9 to 13 kt. A chance of showers. Seas around 3 ft.

      Low: 70 °F

      WSW 13kt
      3ft

    • Wednesday

      Wednesday:NNW wind around 8 kt becoming W in the afternoon. Mostly sunny. Seas around 3 ft.

      High: 75 °F

      W 8kt
      3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:23 pm EDT Aug 8, 2026
Forecast Valid: 2pm EDT Aug 8, 2026-6pm EDT Aug 14, 2026

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Detailed Forecast


This Afternoon
SW wind around 14 kt. Mostly sunny. Seas around 4 ft.
Tonight
SW wind 15 to 17 kt. A chance of showers and thunderstorms, mainly before 1am. Patchy fog after 11pm. Seas around 4 ft.
Sunday
WSW wind 11 to 13 kt. Mostly sunny. Seas around 4 ft.
Sunday Night
WSW wind 11 to 14 kt becoming WNW 8 to 11 kt after midnight. Patchy fog after midnight. Seas around 4 ft.
Monday
Variable winds less than 5 kt becoming WSW 5 to 8 kt in the afternoon. Sunny. Seas around 3 ft.
Monday Night
SW wind 11 to 13 kt. A slight chance of showers between 11pm and 1am. Seas around 3 ft.
Tuesday
WSW wind around 13 kt. Sunny. Seas around 3 ft.
Tuesday Night
WSW wind 9 to 13 kt. A chance of showers. Seas around 3 ft.
Wednesday
NNW wind around 8 kt becoming W in the afternoon. Mostly sunny. Seas around 3 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:

  1. 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.
  2. 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.
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ABOUT THIS FORECAST

Point Forecast: 40.5°N 70.63°W
Last Update: 2:23 pm EDT Aug 8, 2026
Forecast Valid: 2pm EDT Aug 8, 2026-6pm EDT Aug 14, 2026
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