For More Weather Information:

Norton, MA Local Forecast Office

17NM WNW Nantucket MA

Marine Point Forecast

[NOTICE]
    • Thursday

      Thursday:Variable winds less than 5 kt becoming SW 5 to 7 kt in the morning. Sunny. Seas 1 ft or less.

      High: 80 °F

      ⇑SW 7kt
      < 1ft

    • Thursday Night

      Thursday Night:WSW wind around 6 kt becoming NW after midnight. A chance of showers before 11pm, then a slight chance of showers after midnight.   Seas 1 ft or less.

      Low: 71 °F

      WSW 6kt
      < 1ft

    • Friday

      Friday:N wind 7 to 10 kt becoming E in the afternoon. A chance of showers.   Seas 1 ft or less.

      High: 76 °F

      ENE 10kt
      < 1ft

    • Friday Night

      Friday Night:ESE wind around 9 kt. A chance of showers.   Seas 1 ft or less.

      Low: 68 °F

      ESE 9kt
      < 1ft

    • Saturday

      Saturday:E wind 10 to 12 kt becoming SE in the afternoon. Showers likely, with thunderstorms also possible after 2pm.   Seas 1 ft or less.

      High: 76 °F

      E 12kt
      < 1ft

    • Saturday Night

      Saturday Night:ESE wind 5 to 7 kt becoming S after midnight. Showers likely and possibly a thunderstorm.   Seas 1 ft or less.

      Low: 68 °F

      ESE 7kt
      < 1ft

    • Sunday

      Sunday:S wind 6 to 8 kt. A chance of showers before 4pm.   Seas 1 ft or less.

      High: 80 °F

      S 8kt
      < 1ft

    • Sunday Night

      Sunday Night:SSW wind 6 to 8 kt becoming WSW after midnight. A chance of showers.   Seas 1 ft or less.

      Low: 68 °F

      SSW 8kt
      < 1ft

    • Monday

      Monday:W wind 6 to 11 kt becoming WSW in the afternoon. Mostly sunny. Seas 1 ft or less.

      High: 80 °F

      WSW 11kt
      < 1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:29 pm EDT Aug 19, 2026
Forecast Valid: 1am EDT Aug 20, 2026-6pm EDT Aug 26, 2026

View Nearby Observations

Detailed Forecast


Thursday
Variable winds less than 5 kt becoming SW 5 to 7 kt in the morning. Sunny. Seas 1 ft or less.
Thursday Night
WSW wind around 6 kt becoming NW after midnight. A chance of showers before 11pm, then a slight chance of showers after midnight. Seas 1 ft or less.
Friday
N wind 7 to 10 kt becoming E in the afternoon. A chance of showers. Seas 1 ft or less.
Friday Night
ESE wind around 9 kt. A chance of showers. Seas 1 ft or less.
Saturday
E wind 10 to 12 kt becoming SE in the afternoon. Showers likely, with thunderstorms also possible after 2pm. Seas 1 ft or less.
Saturday Night
ESE wind 5 to 7 kt becoming S after midnight. Showers likely and possibly a thunderstorm. Seas 1 ft or less.
Sunday
S wind 6 to 8 kt. A chance of showers before 4pm. Seas 1 ft or less.
Sunday Night
SSW wind 6 to 8 kt becoming WSW after midnight. A chance of showers. Seas 1 ft or less.
Monday
W wind 6 to 11 kt becoming WSW in the afternoon. Mostly sunny. Seas 1 ft or less.

Winds and seas higher in and near tstms. 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: 41.35°N 70.48°W
Last Update: 9:29 pm EDT Aug 19, 2026
Forecast Valid: 1am EDT Aug 20, 2026-6pm EDT Aug 26, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data