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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 01 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
8.2° C
(Which is slightly warmer than usual)How big are the waves at Green Harbor today?
The current surf forecast for Green Harbor at 10PM is: 0.9m 9s primary swell from a East direction and 0.2m 4s secondary swell from a South-southwest direction (forecast issued at 07:00pm May 01). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 May) | - | - |
| Afternoon (01 May) | 3.5ft (1.0m) | 9s |
| Evening (01 May) | 3ft (0.9m) | 9s |
Table - waves today at Green Harbor. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 7mm), mostly falling on Sat afternoon. Very mild (max 18°C on Mon afternoon, min 7°C on Sun morning). Wind will be generally light. | ||||||||||||||||||||||||
Fri 1 | Saturday 2 | Sunday 3 | Mon 4 | |||||||||||||||||||||
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 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | ENE 9 | ENE 9 | ENE 9 | |
160 | 127 | 125 | 122 | 96 | 96 | 96 | 96 | 99 | 101 | 127 | 127 | 99 | 96 | 92 | 69 | 68 | 66 | 91 | 127 | 162 | 132 | 103 | 80 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | cross | cross-on | on | on | cross-on | on | cross-on | on | on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | on | on | on | on | |
High Tide | 00:20AM2.96m | 12:51PM2.64m | 00:55AM2.92m | 1:28PM2.58m | 1:32AM2.87m | |||||||||||||||||||
Low Tide | 6:05PM0.35m | 6:36AM0.09m | 6:42PM0.42m | 7:14AM0.12m | 7:20PM0.48m | 7:52AM0.16m | ||||||||||||||||||
 |  | |  | |  | |  | |  | | |  | |  | | | | | | | | | | |
 | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:35 | — | — | — |
 | 7:40 | — | — | — | — | — | — | — | 7:42 | — | — | — | — | — | — | — | 7:43 | — | — | — | — | — | — | 7:44 |
— | — | — | — | — | — | — | 3 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 14 | 13 | 12 | 9 | 8 | 10 | 12 | 9 | 10 | 10 | 8 | 8 | 8 | 7 | 8 | 10 | 12 | 12 | 9 | 7 | 7 | 10 | 16 | 18 |
11 | 10 | 8 | 4 | 3 | 5 | 6 | 5 | 7 | 7 | 5 | 6 | 5 | 2 | 3 | 6 | 6 | 7 | 3 | 2 | 1 | 4 | 9 | 12 | |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | ENE 9 | ENE 9 | ENE 9 |
 kJ | 160 | 127 | 125 | 122 | 96 | 96 | 96 | 96 | 99 | 101 | 127 | 127 | 99 | 96 | 92 | 69 | 68 | 66 | 91 | 127 | 162 | 132 | 103 | 80 |
Swell 2 Height (m) Direction Period (s) | N 3 | — | — | — | — | — | — | — | — | — | SSE 4 | S 4 | S 4 | SSW 4 | SW 4 | SW 4 | NNE 4 | NNE 4 | NNE 4 | NNE 4 | NNE 5 | NNE 4 | NE 4 | — |
| kJ | 1 | — | — | — | — | — | — | — | — | — | 3 | 3 | 1 | 2 | 1 | 1 | 6 | 6 | 4 | 2 | 2 | 2 | 1 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 6 | S 6 | S 6 | S 10 | S 9 | NNE 4 | S 8 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 7 | 6 | 2 | 1 | — | — |
Wind waves Height (m) Direction Period (s) | SW 4 | S 4 | SSW 4 | SW 2 | — | SSW 2 | S 3 | SSW 3 | S 3 | S 3 | — | — | — | NNW 2 | N 3 | N 4 | — | — | WNW 3 | WNW 3 | W 3 | WSW 3 | SW 3 | SSW 3 |
| kJ | 2 | 1 | 2 | 1 | — | 1 | 2 | 3 | 3 | 2 | — | — | — | 1 | 5 | 7 | — | — | 2 | 3 | 1 | 1 | 2 | 6 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 32 | 1 | 1 | 2 | 39 | 2 | 32 | 2 | 1 | 0 | 0 | 9 | 39 | 32 | 9 | 52 | 1 | 9 | 1 | 1 | 2 | 1 | 1 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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