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Norton, MA Local Forecast Office

52NM SSW Nantucket MA

Marine Point Forecast

[NOTICE]
    • Today

      Today:Variable winds less than 5 kt becoming S 5 to 9 kt in the afternoon. Sunny. Seas 1 to 2 ft.

      High: 75 °F

      ⇑S 9kt
      1-2ft

    • Tonight

      Tonight:S wind 10 to 15 kt. A chance of showers, mainly after 4am.   Seas 2 ft building to 4 ft.

      Low: 71 °F

      S 15kt
      Waves Building4ft

    • Monday

      Monday:SSE wind 19 to 23 kt becoming SSW in the afternoon. Showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 4pm, then a chance of showers and thunderstorms after 4pm. Some of the storms could produce heavy rainfall.  Patchy fog after 11am.  Seas around 6 ft.

      High: 76 °F

      S 23kt
      6ft

    • Monday Night

      Monday Night:W wind around 12 kt becoming NNW after midnight. A chance of showers, mainly before 9pm.   Seas 5 to 6 ft.

      Low: 71 °F

      W 12kt
      5-6ft

    • Tuesday

      Tuesday:N wind 9 to 12 kt. Partly sunny. Seas 4 to 5 ft.

      High: 74 °F

      N 12kt
      4-5ft

    • Tuesday Night

      Tuesday Night:Variable winds less than 5 kt becoming WSW around 6 kt after midnight. Partly cloudy. Seas around 3 ft.

      Low: 71 °F

      ⇑WSW 6kt
      3ft

    • Wednesday

      Wednesday:SW wind 6 to 9 kt. Sunny. Seas 2 to 3 ft.

      High: 77 °F

      SW 9kt
      2-3ft

    • Wednesday Night

      Wednesday Night:SW wind around 11 kt. Mostly clear. Seas around 3 ft.

      Low: 72 °F

      SW 11kt
      3ft

    • Thursday

      Thursday:SW wind around 10 kt. A chance of showers.   Seas around 3 ft.

      High: 76 °F

      SW 10kt
      3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:42 am EDT Aug 16, 2026
Forecast Valid: 6am EDT Aug 16, 2026-6pm EDT Aug 22, 2026

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Detailed Forecast


Today
Variable winds less than 5 kt becoming S 5 to 9 kt in the afternoon. Sunny. Seas 1 to 2 ft.
Tonight
S wind 10 to 15 kt. A chance of showers, mainly after 4am. Seas 2 ft building to 4 ft.
Monday
SSE wind 19 to 23 kt becoming SSW in the afternoon. Showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 4pm, then a chance of showers and thunderstorms after 4pm. Some of the storms could produce heavy rainfall. Patchy fog after 11am. Seas around 6 ft.
Monday Night
W wind around 12 kt becoming NNW after midnight. A chance of showers, mainly before 9pm. Seas 5 to 6 ft.
Tuesday
N wind 9 to 12 kt. Partly sunny. Seas 4 to 5 ft.
Tuesday Night
Variable winds less than 5 kt becoming WSW around 6 kt after midnight. Partly cloudy. Seas around 3 ft.
Wednesday
SW wind 6 to 9 kt. Sunny. Seas 2 to 3 ft.
Wednesday Night
SW wind around 11 kt. Mostly clear. Seas around 3 ft.
Thursday
SW wind around 10 kt. A chance of showers. 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: 3:42 am EDT Aug 16, 2026
Forecast Valid: 6am EDT Aug 16, 2026-6pm EDT Aug 22, 2026
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