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Green Harbor Surf Forecast
/ Massachusetts (29 breaks) / Massachusetts (28 breaks) /
Surf Forecasts:
Green Harbor surfForecast / Massachusetts / USA
48hr Weather and Surf, issued 7 pm Sunday 08 Mar 2026 EDTForecast update in hr min s Forecast update imminent
Green Harbor surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Green Harbor sea temperature is
2.2° C
(Which is 1.2°C colder than average for this time of year)How big are the waves at Green Harbor today?
The current surf forecast for Green Harbor at 3AM is: 0.5m 9s primary swell from a East direction (forecast issued at 07:00pm March 08). An open ocean swell of 0.3m 8s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Mar) | 1.5ft (0.5m) | 9s |
| Afternoon (09 Mar) | 1.5ft (0.4m) | 9s |
| Evening (09 Mar) | 1.5ft (0.4m) | 8s |
Table - waves today at Green Harbor. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 08 | Monday 09 | Tuesday 10 | Wednesday 11 | |||||||||||||||||||||
| 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 80 | 57 | 57 | 40 | 39 | 39 | 39 | 24 | 23 | 23 | 23 | 23 | 22 | 22 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 7 | 6 | 6 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | on | on | cross- on | on | cross- on | cross- on | cross- on | on | on | on | on | on | on | on | on | on | on | on | on | cross- on | cross- on | cross- on |
High Tide / height (m) | 3:44PM 2.58 | 3:59AM 2.76 | 4:30PM 2.44 | 4:46AM 2.66 | 5:21PM 2.31 | 5:38AM 2.58 | ||||||||||||||||||
Low Tide / height (m) | 9:44PM 0.35 | 10:17AM 0.23 | 10:29PM 0.48 | 11:07AM 0.34 | 11:19PM 0.59 | 12:02PM 0.43 | ||||||||||||||||||
Sunday 08 | Monday 09 | Tuesday 10 | Wednesday 11 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:03 | - | - | - | - | - | - | - | 7:01 | - | - |
| Sunset | 6:39 | - | - | - | - | - | - | - | 6:40 | - | - | - | - | - | - | - | 6:42 | - | - | - | - | - | - | - |
 |  |  | | |  | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 13 | 11 | 9 | 10 | 10 | 10 | 11 | 14 | 13 | 10 | 11 | 11 | 11 | 11 | 14 | 17 | 16 | 12 | 11 | 11 | 10 | 9 | 8 | 10 |
| Feels °C (?) | 11 | 9 | 6 | 6 | 6 | 6 | 6 | 8 | 7 | 5 | 6 | 7 | 7 | 7 | 10 | 12 | 11 | 7 | 7 | 7 | 6 | 6 | 5 | 8 |
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Live Wave Height (m)
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Green Harbor surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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