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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 12 am Thursday 27 Nov 2025 ESTForecast 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
9.5° C
(Which is normal for this time of year)How big are the waves at Green Harbor today?
The current surf forecast for Green Harbor at 2AM is: 0.3m 8s primary swell from a Southeast direction and 0.2m 9s secondary swell from a East direction, 0.4m 2s secondary swell from a Southwest direction (forecast issued at 12:00am November 27). The wind direction is predicted to be cross-onshore.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Nov) | 0.5ft (0.2m) | 8s |
| Afternoon (27 Nov) | 0.5ft (0.2m) | 10s |
| Evening (27 Nov) | 0.5ft (0.2m) | 10s |
Table - waves today at Green Harbor. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 27 | Friday 28 | Saturday 29 | ||||||||||||||||||||||
| 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 7 | 8 | 9 | 4 | 4 | 10 | 10 | 10 | 10 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 9 | 9 | 7 | 10 | 7 | 10 | 10 | 10 | 9 | 4 | 3 | 3 | 5 | 9 | 12 | 23 | 29 | 24 | 31 | 28 | 32 | 19 | 2 | 2 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross |
High Tide / height (m) | 3:55AM 2.41 | 4:05PM 2.66 | 4:47AM 2.49 | 5:02PM 2.64 | 5:41AM 2.61 | 6:02PM 2.65 | ||||||||||||||||||
Low Tide / height (m) | 9:39PM 0.28 | 9:54AM 0.59 | 10:30PM 0.28 | 10:51AM 0.52 | 11:23PM 0.27 | 11:50AM 0.41 | ||||||||||||||||||
Thursday 27 | Friday 28 | Saturday 29 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:46 | - | - | - | - | - | - | - | 6:47 | - | - | - | - | - | - | - | 6:48 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 4:13 | - | - | - | - | - | - | - | 4:13 | - | - | - | - | - | - | - | 4:12 | - |
 |  | |  |  | | | | |  | | | |  | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 14 | 13 | 8 | 5 | 5 | 6 | 6 | 5 | 4 | 2 | 1 | 0 | 2 | 5 | 4 | 3 | 2 | 1 | 1 | 0 | 1 | 4 | 4 | 3 |
| Feels °C (?) | 11 | 9 | -1 | -3 | -3 | -2 | -2 | -2 | -3 | -5 | -6 | -8 | -7 | -4 | -5 | -7 | -8 | -9 | -8 | -9 | -8 | -5 | -3 | -3 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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