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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 Sunday 30 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 6AM is: 0.3m 4s primary swell from a North-northeast direction and 0.1m 6s secondary swell from a Northeast direction (forecast issued at 12:00am November 30). The wind direction is predicted to be cross-shore.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Nov) | 0.5ft (0.2m) | 5s |
| Afternoon (30 Nov) | 2.5ft (0.7m) | 4s |
| Evening (30 Nov) | 3.5ft (1.1m) | 4s |
Table - waves today at Green Harbor. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 30 | Monday 01 | Tuesday 02 | ||||||||||||||||||||||
| 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) (?) | 10 | 5 | 4 | 4 | 3 | 3 | 4 | 4 | 4 | 4 | 7 | 3 | 4 | 7 | 7 | 10 | 5 | 4 | 5 | 5 | 3 | 4 | 9 | 4 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 3 | 12 | 6 | 3 | 3 | 9 | 17 | 33 | 48 | 13 | 11 | 11 | 31 | 5 | 5 | 2 | 16 | 6 | 5 | 6 | 5 | 7 | 2 | 4 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross | cross- on | cross- on | cross- on | cross- on | cross- on | on | cross- on | cross- on | cross- on | cross | cross | cross | cross- off | cross- off | cross | on | cross | cross | cross | cross- off | cross- off |
High Tide / height (m) | 6:34AM 2.77 | 7:01PM 2.68 | 7:27AM 2.95 | 7:58PM 2.73 | 8:18AM 3.14 | |||||||||||||||||||
Low Tide / height (m) | 12:16AM 0.25 | 12:49PM 0.24 | 1:09AM 0.20 | 1:46PM 0.05 | 2:01AM 0.15 | 2:41PM -0.15 | ||||||||||||||||||
Sunday 30 | Monday 01 | Tuesday 02 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:48 | - | - | - | - | - | - | - | 6:50 | - | - | - | - | - | - | - | 6:50 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 4:12 | - | - | - | - | - | - | - | 4:10 | - | - | - | - | - | - | - | 4:10 | - |
 |  | |  | | | |  |  | | |  | | | | | |  | | | |  |  |  | |
Rain (mm) | - | - | - | - | - | - | - | 1 | 7 | - | - | - | - | - | - | - | - | - | - | - | - | 2 | 9 | 15 |
| Temp. °C | 2 | 2 | 2 | 3 | 6 | 8 | 9 | 10 | 9 | 6 | 3 | 1 | 2 | 3 | 2 | 0 | -1 | 0 | 1 | 3 | 5 | 5 | 7 | 7 |
| Feels °C (?) | -3 | -2 | -2 | -2 | -1 | 1 | 2 | 2 | 3 | -2 | -4 | -8 | -7 | -5 | -5 | -6 | -6 | -4 | -4 | -2 | -2 | -1 | 4 | -1 |
- 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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