For More Weather Information:

Norton, MA Local Forecast Office

52NM SSW Nantucket MA

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:W wind around 8 kt. Mostly sunny. Seas around 3 ft.

      High: 47 °F

      W 8kt
      3ft

    • Tonight

      Tonight:W wind 9 to 12 kt becoming N 14 to 17 kt after midnight. A slight chance of rain before 3am.   Seas 2 to 3 ft.

      Low: 40 °F

      ⇑N 17kt
      2-3ft

    • Tuesday

      Tuesday:N wind 14 to 17 kt decreasing to 8 to 11 kt in the afternoon. Mostly sunny. Seas 3 to 4 ft.

      High: 43 °F

      N 17kt⇓
      3-4ft

    • Tuesday Night

      Tuesday Night:NW wind 5 to 9 kt becoming SSW in the evening. Partly cloudy. Seas around 2 ft.

      Low: 41 °F

      SSW 9kt
      2ft

    • Wednesday

      Wednesday:S wind 12 to 16 kt. A chance of showers.   Seas 3 ft building to 5 ft.

      High: 46 °F

      S 16kt
      Waves Building5ft

    • Wednesday Night

      Wednesday Night:SE wind 10 to 13 kt becoming ENE after midnight. A slight chance of showers before 8pm.   Seas around 5 ft.

      Low: 44 °F

      SE 13kt
      5ft

    • Thursday

      Thursday:NNE wind around 9 kt becoming WNW in the afternoon. Partly sunny. Seas 4 to 5 ft.

      High: 47 °F

      NNE 9kt
      4-5ft

    • Thursday Night

      Thursday Night:SW wind 9 to 11 kt becoming WNW after midnight. Partly cloudy. Seas around 3 ft.

      Low: 45 °F

      W 11kt
      3ft

    • Friday

      Friday:NNW wind 9 to 13 kt becoming NNE in the afternoon. Mostly sunny. Seas 2 to 3 ft.

      High: 47 °F

      NNW 13kt
      2-3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 10:57 am EDT Apr 20, 2026
Forecast Valid: 1pm EDT Apr 20, 2026-6pm EDT Apr 26, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
W wind around 8 kt. Mostly sunny. Seas around 3 ft.
Tonight
W wind 9 to 12 kt becoming N 14 to 17 kt after midnight. A slight chance of rain before 3am. Seas 2 to 3 ft.
Tuesday
N wind 14 to 17 kt decreasing to 8 to 11 kt in the afternoon. Mostly sunny. Seas 3 to 4 ft.
Tuesday Night
NW wind 5 to 9 kt becoming SSW in the evening. Partly cloudy. Seas around 2 ft.
Wednesday
S wind 12 to 16 kt. A chance of showers. Seas 3 ft building to 5 ft.
Wednesday Night
SE wind 10 to 13 kt becoming ENE after midnight. A slight chance of showers before 8pm. Seas around 5 ft.
Thursday
NNE wind around 9 kt becoming WNW in the afternoon. Partly sunny. Seas 4 to 5 ft.
Thursday Night
SW wind 9 to 11 kt becoming WNW after midnight. Partly cloudy. Seas around 3 ft.
Friday
NNW wind 9 to 13 kt becoming NNE in the afternoon. Mostly sunny. Seas 2 to 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.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

Point Forecast: 40.5°N 70.63°W
Last Update: 10:57 am EDT Apr 20, 2026
Forecast Valid: 1pm EDT Apr 20, 2026-6pm EDT Apr 26, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data