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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 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 3AM is: 0.2m 9s primary swell from a East direction and 0.2m 5s secondary swell from a East-southeast direction, 0.3m 3s secondary swell from a Northwest direction (forecast issued at 07:00pm May 07). The wind direction is predicted to be cross-shore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 May) | 1ft (0.3m) | 10s |
| Afternoon (08 May) | 1.5ft (0.5m) | 10s |
| Evening (08 May) | 2ft (0.6m) | 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 22mm), heaviest during Sat night. Very mild (max 19°C on Sun afternoon, min 8°C on Thu night). Winds decreasing (fresh winds from the S on Sat night, calm by Sun afternoon). | ||||||||||||||||||||||||
Thu 7 | Friday 8 | Saturday 9 | Sun 10 | |||||||||||||||||||||
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 |  |    |    |    | ||||||||||||||||||||
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 | ENE 9 | SSE 5 | E 9 | E 9 | E 9 | |
14 | 6 | 6 | 6 | 13 | 17 | 29 | 49 | 65 | 61 | 58 | 58 | 57 | 57 | 57 | 39 | 40 | 39 | 38 | 25 | 50 | 24 | 24 | 24 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | cross-on | cross | cross | cross | cross-on | glassy | cross-on | on | cross | cross-on | cross-on | on | cross-on | cross-on | cross-on | on | cross-on | on | on | on | on | cross | glassy | |
High Tide | 4:15PM2.37m | 4:24AM2.67m | 5:06PM2.35m | 5:17AM2.62m | 5:59PM2.37m | 6:12AM2.60m | ||||||||||||||||||
Low Tide | 10:11PM0.66m | 10:51AM0.38m | 11:03PM0.68m | 11:42AM0.41m | 11:59PM0.66m | 12:35PM0.41m | ||||||||||||||||||
 |  |  | | | |  |  |  | | | | | | | |  |  | | |  | | | | |
 | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:26 | — | — | — |
 | 7:46 | — | — | — | — | — | — | — | 7:47 | — | — | — | — | — | — | — | 7:49 | — | — | — | — | — | — | 7:50 |
— | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | 2 | 10 | 9 | — | — | — | — | — | |
Temp °C | 14 | 13 | 11 | 9 | 8 | 9 | 11 | 13 | 13 | 12 | 9 | 8 | 8 | 9 | 13 | 14 | 13 | 12 | 12 | 12 | 11 | 12 | 17 | 18 |
12 | 10 | 5 | 4 | 3 | 5 | 8 | 9 | 8 | 9 | 5 | 3 | 4 | 5 | 8 | 9 | 8 | 7 | 8 | 10 | 9 | 9 | 15 | 16 | |
Swell 1 Height (m) Direction Period (s) | 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 | ENE 9 | SE 5 | E 9 | E 9 | E 9 |
 kJ | 3 | 3 | 3 | 6 | 13 | 17 | 29 | 49 | 65 | 61 | 58 | 58 | 57 | 57 | 57 | 39 | 40 | 39 | 38 | 25 | 13 | 24 | 24 | 24 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | ESE 5 | SE 8 | N 3 | N 3 | N 3 | — | — | — | SSW 5 | — | ENE 9 | — | — | — | SE 5 | — | — | ENE 9 | SE 5 | SE 5 | ESE 6 |
| kJ | 6 | 6 | 6 | 2 | 3 | 1 | 1 | 1 | — | — | — | 3 | — | 17 | — | — | — | 4 | — | — | 25 | 7 | 7 | 6 |
Swell 3 Height (m) Direction Period (s) | — | E 9 | SE 9 | SE 8 | SE 5 | ESE 8 | S 7 | S 9 | — | — | — | S 7 | SE 7 | SE 6 | — | — | — | — | — | — | S 13 | E 13 | E 16 | E 16 |
| kJ | — | 2 | 3 | 3 | 1 | 7 | 1 | 2 | — | — | — | 4 | 2 | 2 | — | — | — | — | — | — | 3 | 3 | 5 | 5 |
Wind waves Height (m) Direction Period (s) | SE 5 | — | — | NW 3 | NNW 3 | NNW 4 | — | S 7 | SW 2 | WSW 2 | W 2 | W 2 | — | W 3 | S 7 | SSE 3 | S 3 | SSW 3 | S 5 | SSE 3 | SSE 5 | — | — | SW 4 |
| kJ | 14 | — | — | 1 | 2 | 4 | — | 4 | 1 | 1 | 1 | 1 | — | 1 | 14 | 2 | 7 | 3 | 13 | 4 | 50 | — | — | 4 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 72 | 85 | 56 | 85 | 85 | 85 | 6 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 124 | 2981 | 91 | 316 | 81 | 43 | 6 | 6 | 43 | 6 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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