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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 Friday 08 May 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
9.1° C
(Which is slightly warmer than usual)How big are the waves at Green Harbor today?
The current surf forecast for Green Harbor at 1AM is: 0.6m 9s primary swell from a East direction and 0.2m 2s secondary swell from a West-northwest direction (forecast issued at 07:00pm May 08). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 May) | 1.5ft (0.5m) | 9s |
| Afternoon (09 May) | 1.5ft (0.5m) | 9s |
| Evening (09 May) | 1.5ft (0.4m) | 9s |
Table - waves today at Green Harbor. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 23mm), heaviest during Sat night. Warm (max 20°C on Sun afternoon, min 9°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Fri 8 | Saturday 9 | Sunday 10 | Mon 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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ENE 9 | ENE 9 | ENE 9 | SSE 6 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | ESE 8 | E 8 | E 8 | E 8 | |
65 | 62 | 58 | 58 | 57 | 40 | 40 | 39 | 39 | 26 | 25 | 25 | 31 | 24 | 26 | 24 | 24 | 24 | 35 | 46 | 34 | 69 | 71 | 92 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | on | on | cross | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | on | cross-on | cross-on | cross | cross | cross | cross-off | off | |
High Tide | 5:06PM2.35m | 5:17AM2.62m | 5:59PM2.37m | 6:12AM2.60m | 6:53PM2.45m | 7:09AM2.60m | ||||||||||||||||||
Low Tide | 11:03PM0.68m | 11:42AM0.41m | 11:59PM0.66m | 12:35PM0.41m | 00:56AM0.59m | 1:27PM0.39m | ||||||||||||||||||
 |  | | |  | | | |  |  | |  | | |  |  | |  | | | | | | | |
 | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — | — | 5:26 | — | — | — |
 | 7:47 | — | — | — | — | — | — | — | 7:49 | — | — | — | — | — | — | — | 7:50 | — | — | — | — | — | — | 7:51 |
— | — | — | — | — | — | — | — | 2 | 8 | 8 | 4 | — | — | — | — | — | — | — | — | 1 | — | — | — | |
Temp °C | 14 | 12 | 10 | 9 | 9 | 9 | 12 | 15 | 14 | 12 | 12 | 13 | 12 | 12 | 15 | 20 | 20 | 18 | 15 | 11 | 12 | 10 | 12 | 13 |
11 | 7 | 6 | 5 | 5 | 6 | 8 | 11 | 9 | 7 | 8 | 10 | 10 | 10 | 14 | 18 | 19 | 17 | 13 | 7 | 9 | 6 | 9 | 9 | |
Swell 1 Height (m) Direction Period (s) | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | SE 6 | SE 6 | SE 6 | E 9 | E 9 | E 8 | E 8 | ESE 8 | E 8 | E 8 | E 8 |
 kJ | 65 | 62 | 58 | 58 | 57 | 40 | 40 | 39 | 39 | 26 | 25 | 25 | 25 | 22 | 16 | 8 | 24 | 24 | 35 | 46 | 34 | 69 | 71 | 92 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | SSW 5 | S 7 | SE 7 | — | — | — | — | E 13 | — | E 9 | E 9 | E 9 | SE 5 | SE 5 | ESE 5 | ESE 9 | ENE 9 | S 7 | N 3 | N 3 |
| kJ | — | — | — | — | 3 | 4 | 2 | — | — | — | — | 3 | — | 24 | 24 | 24 | 7 | 7 | 6 | 8 | 28 | 4 | 1 | 1 |
Swell 3 Height (m) Direction Period (s) | N 3 | N 3 | — | — | WNW 3 | SE 7 | — | — | — | — | — | — | — | E 13 | E 16 | E 16 | E 16 | E 16 | E 16 | — | SSE 8 | — | — | — |
| kJ | 1 | 1 | — | — | 1 | 2 | — | — | — | — | — | — | — | 3 | 5 | 5 | 5 | 5 | 5 | — | 7 | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 4 | SSW 5 | — | WNW 2 | — | SSW 5 | — | S 3 | S 3 | S 3 | S 3 | S 3 | SSE 6 | SSW 3 | S 6 | — | — | SSW 3 | — | NNW 2 | NNW 3 | N 3 | — | — |
| kJ | 19 | 15 | — | 1 | — | 5 | — | 4 | 8 | 5 | 11 | 8 | 31 | 2 | 26 | — | — | 3 | — | 1 | 2 | 2 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2 | 15 | 15 | 2 | 2 | 6 | 124 | 6 | 43 | 124 | 85 | 43 | 9 | 6 | 6 | 6 | 6 | 81 | 43 | 32 | 2 | 1 | 9 | 39 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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