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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 Thursday 23 Apr 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
6.6° 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 12AM is: 0.3m 7s primary swell from a East direction (forecast issued at 07:00pm April 23). An open ocean swell of 0.2m 5s is not directed at the surf break, a second open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (24 Apr) | - | - |
| Afternoon (24 Apr) | 1ft (0.3m) | 7s |
| Evening (24 Apr) | 1ft (0.3m) | 7s |
Table - waves today at Green Harbor. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Mild temperatures (max 8°C on Thu night, min 5°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 23 | Friday 24 | Saturday 25 | Sun 26 | |||||||||||||||||||||
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 7 | E 7 | E 7 | NNE 5 | NNE 5 | NNE 5 | E 6 | E 6 | NNE 4 | NE 4 | NE 4 | NNE 4 | NE 15 | ENE 15 | ENE 14 | ENE 14 | ENE 14 | ENE 14 | NE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 11 | ENE 12 | |
8 | 8 | 8 | 9 | 17 | 9 | 3 | 3 | 7 | 4 | 3 | 1 | 9 | 21 | 21 | 40 | 38 | 36 | 44 | 66 | 65 | 65 | 38 | 56 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | off | glassy | cross | cross-off | cross-off | off | cross-off | cross-off | cross-off | glassy | cross-off | off | off | cross-off | cross-off | cross | cross-on | glassy | glassy | off | off | off | |
High Tide | 5:18PM2.72m | 5:38AM3.08m | 6:24PM2.70m | 6:46AM2.98m | 7:31PM2.74m | 7:54AM2.92m | ||||||||||||||||||
Low Tide | 11:18PM0.25m | 12:04PM-0.00m | 00:25AM0.30m | 1:08PM0.07m | 1:33AM0.29m | |||||||||||||||||||
 |  | |  | | | | | |  | | | | |  | | | | | | | |  | | |
 | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:46 | — | — | — |
 | 7:31 | — | — | — | — | — | — | — | 7:32 | — | — | — | — | — | — | — | 7:34 | — | — | — | — | — | — | 7:35 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 9 | 8 | 8 | 7 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 7 | 8 |
4 | 4 | 5 | 4 | 3 | 0 | -1 | 1 | 0 | 1 | 1 | 2 | 1 | 0 | 0 | 0 | 1 | 2 | 2 | 2 | 2 | 2 | 3 | 4 | |
Swell 1 Height (m) Direction Period (s) | E 6 | E 7 | E 7 | NNE 5 | NNE 5 | NNE 5 | E 6 | E 6 | NNE 4 | NE 4 | NE 4 | NNE 4 | E 7 | E 7 | E 6 | E 6 | NE 4 | E 8 | NE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 11 | ENE 12 |
 kJ | 6 | 8 | 8 | 9 | 17 | 9 | 3 | 3 | 7 | 4 | 3 | 1 | 4 | 4 | 7 | 7 | 6 | 11 | 44 | 66 | 65 | 65 | 38 | 56 |
Swell 2 Height (m) Direction Period (s) | E 7 | S 5 | S 5 | E 6 | E 6 | E 6 | SE 7 | E 8 | E 6 | E 8 | E 7 | E 7 | NE 4 | ENE 15 | ENE 14 | ENE 14 | ENE 14 | NE 4 | E 8 | E 7 | E 7 | ENE 5 | ENE 13 | ENE 4 |
| kJ | 8 | 2 | 2 | 7 | 7 | 7 | 2 | 1 | 1 | 4 | 1 | 1 | 1 | 21 | 21 | 20 | 38 | 2 | 11 | 10 | 9 | 2 | 16 | 2 |
Swell 3 Height (m) Direction Period (s) | SSE 5 | ESE 5 | SE 7 | S 6 | S 6 | SE 4 | S 6 | SE 7 | E 8 | E 14 | E 6 | E 6 | NE 15 | S 6 | S 6 | ENE 14 | E 7 | ENE 14 | NE 4 | NNE 4 | ENE 5 | E 7 | ENE 5 | — |
| kJ | 5 | 2 | 2 | 3 | 3 | 1 | 1 | 2 | 1 | 4 | 1 | 1 | 9 | 1 | 1 | 40 | 3 | 36 | 2 | 1 | 2 | 3 | 2 | — |
Wind waves Height (m) Direction Period (s) | N 3 | NE 3 | NE 3 | — | — | — | N 4 | NNE 4 | — | — | — | — | — | NNE 4 | NE 3 | NE 3 | — | — | — | — | — | — | — | — |
| kJ | 2 | 3 | 2 | — | — | — | 12 | 10 | — | — | — | — | — | 2 | 2 | 4 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 206 | 106 | 106 | 96 | 151 | 174 | 649 | 647 | 551 | 515 | 515 | 515 | 515 | 647 | 549 | 945 | 96 | 52 | 2 | 1 | 1 | 55 | 55 | 515 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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