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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 1 pm Thursday 07 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
8.4° 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 5PM is: 0.5m 5s primary swell from a Southeast direction and 0.2m 5s secondary swell from a East-southeast direction, 0.2m 9s secondary swell from a East direction (forecast issued at 01:00pm May 07). The wind direction is predicted to be glassy.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 May) | 1.5ft (0.4m) | 5s |
| Afternoon (07 May) | 0.5ft (0.2m) | 9s |
| Evening (07 May) | 0.5ft (0.2m) | 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. Very mild (max 18°C on Sun morning, min 8°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 7 | Friday 8 | Saturday 9 | Sun 10 | |||||||||||||||||||||
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 | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
E 9 | E 9 | SE 5 | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | 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 9 | |
6 | 6 | 14 | 6 | 6 | 6 | 14 | 17 | 29 | 47 | 65 | 62 | 58 | 58 | 57 | 57 | 57 | 39 | 39 | 38 | 36 | 23 | 23 | 24 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | glassy | glassy | cross-on | cross | cross | cross-on | cross-on | glassy | cross-on | cross-on | cross | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | |
High Tide | 4:15PM2.37m | 4:24AM2.67m | 5:06PM2.35m | 5:17AM2.62m | 5:59PM2.37m | 6:12AM2.60m | ||||||||||||||||||
Low Tide | 10:02AM0.33m | 10:11PM0.66m | 10:51AM0.38m | 11:03PM0.68m | 11:42AM0.41m | 11:59PM0.66m | ||||||||||||||||||
 | | |  | | |  | |  | |  | | | | | | |  |  |  |  | | | | |
 | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:26 | — |
 | — | — | 7:46 | — | — | — | — | — | — | — | 7:47 | — | — | — | — | — | — | — | 7:49 | — | — | — | — | 7:50 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 6 | 11 | 5 | — | — | — | |
Temp °C | 11 | 14 | 15 | 14 | 11 | 10 | 8 | 9 | 12 | 13 | 15 | 13 | 11 | 10 | 9 | 10 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 13 |
8 | 12 | 12 | 10 | 6 | 6 | 3 | 4 | 9 | 10 | 11 | 9 | 8 | 6 | 5 | 6 | 9 | 8 | 7 | 8 | 9 | 9 | 10 | 11 | |
Swell 1 Height (m) Direction Period (s) | ESE 5 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | 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 9 |
 kJ | 6 | 3 | 3 | 3 | 3 | 6 | 14 | 17 | 29 | 47 | 65 | 62 | 58 | 58 | 57 | 57 | 57 | 39 | 39 | 38 | 36 | 23 | 23 | 24 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | E 9 | ESE 5 | SE 5 | ESE 8 | N 3 | — | — | S 9 | ENE 9 | SSW 5 | — | S 5 | — | — | SE 7 | E 13 | E 13 | SSE 5 | SE 5 | SE 5 |
| kJ | 6 | 6 | 6 | 6 | 6 | 2 | 1 | 7 | 1 | — | — | 2 | 17 | 3 | — | 2 | — | — | 2 | 4 | 4 | 2 | 3 | 4 |
Swell 3 Height (m) Direction Period (s) | NNW 3 | — | — | E 9 | SE 9 | SE 8 | SE 8 | NNW 3 | SSW 7 | S 7 | S 10 | — | S 8 | SSW 8 | SW 8 | SE 7 | — | — | — | — | — | E 13 | — | E 13 |
| kJ | 1 | — | — | 2 | 3 | 3 | 3 | 1 | 5 | 1 | 2 | — | 5 | 6 | 2 | 2 | — | — | — | — | — | 4 | — | 3 |
Wind waves Height (m) Direction Period (s) | NW 3 | — | SE 5 | — | — | NW 2 | NW 3 | — | — | SW 7 | — | SW 2 | SW 2 | — | — | W 3 | S 5 | SSE 3 | SSE 3 | S 3 | S 3 | S 3 | SSW 2 | — |
| kJ | 1 | — | 14 | — | — | 1 | 1 | — | — | 12 | — | 2 | 1 | — | — | 1 | 4 | 2 | 3 | 4 | 8 | 6 | 1 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 72 | 87 | 77 | 74 | 56 | 74 | 85 | 85 | 6 | 6 | 2 | 9 | 2 | 2 | 2 | 2 | 2 | 124 | 345 | 959 | 43 | 43 | 15 | 43 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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