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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 Sunday 03 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
8.8° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Green Harbor today?
The current surf forecast for Green Harbor at 9PM is: 0.7m 8s primary swell from a East direction and 0.7m 5s secondary swell from a North direction, 0.5m 3s secondary swell from a Northwest direction (forecast issued at 01:00pm May 03). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (03 May) | 2.5ft (0.8m) | 9s |
| Afternoon (03 May) | 2.5ft (0.7m) | 8s |
| Evening (03 May) | 2.5ft (0.7m) | 8s |
Table - waves today at Green Harbor. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 19°C on Mon afternoon, min 7°C on Sun night). Winds increasing (light winds from the NW on Sun afternoon, strong winds from the SSW by Tue night). | ||||||||||||||||||||||||
Sun 3 | Monday 4 | Tuesday 5 | Wed 6 | |||||||||||||||||||||
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 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | SSW 3 | S 3 | S 4 | SSW 4 | SSW 4 | SSW 4 | SSW 4 | SSW 4 | SSW 4 | |
71 | 69 | 69 | 68 | 91 | 119 | 154 | 137 | 113 | 64 | 45 | 15 | 15 | 7 | 7 | 9 | 11 | 17 | 24 | 21 | 23 | 24 | 28 | 22 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross | cross-on | cross-on | on | on | on | on | on | on | on | on | cross-on | on | on | on | on | on | on | on | on | on | |
High Tide | 1:28PM2.58m | 1:32AM2.87m | 2:06PM2.52m | 2:10AM2.83m | 2:46PM2.46m | 2:51AM2.78m | ||||||||||||||||||
Low Tide | 7:20PM0.48m | 7:52AM0.16m | 7:58PM0.53m | 8:32AM0.21m | 8:39PM0.58m | |||||||||||||||||||
 |  | |  | |  |  |  | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:31 | — |
 | — | — | 7:43 | — | — | — | — | — | — | — | 7:44 | — | — | — | — | — | — | — | 7:45 | — | — | — | — | 7:45 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 7 | 10 | 12 | 12 | 9 | 7 | 9 | 10 | 16 | 19 | 18 | 13 | 12 | 11 | 11 | 13 | 19 | 19 | 17 | 14 | 14 | 14 | 14 | 15 |
-1 | 4 | 7 | 6 | 3 | 1 | 4 | 4 | 8 | 12 | 11 | 7 | 6 | 6 | 6 | 7 | 13 | 12 | 10 | 6 | 8 | 7 | 7 | 9 | |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | E 9 | SE 7 | SE 8 | SE 6 | SE 5 | SSE 6 | SE 6 | SE 6 |
 kJ | 71 | 69 | 69 | 68 | 91 | 119 | 154 | 137 | 113 | 64 | 45 | 15 | 15 | 7 | 7 | 7 | 1 | 2 | 2 | 1 | 5 | 3 | 5 | 5 |
Swell 2 Height (m) Direction Period (s) | — | — | N 5 | N 5 | N 5 | NNE 5 | NNE 5 | NNE 4 | SSE 9 | SE 9 | WNW 4 | E 9 | SE 8 | SE 8 | SE 8 | SE 6 | SE 8 | E 9 | E 9 | SE 8 | E 9 | SE 8 | E 9 | E 9 |
| kJ | — | — | 23 | 24 | 12 | 7 | 4 | 2 | 8 | 3 | 1 | 2 | 2 | 2 | 2 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | — | S 8 | S 8 | S 7 | S 8 | S 8 | S 10 | SE 10 | SE 9 | — | NE 6 | NE 6 | — | — | — | SE 8 | — | — | — | E 9 | — | E 10 | — | — |
| kJ | — | 1 | 1 | 1 | 6 | 6 | 7 | 4 | 3 | — | 1 | 1 | — | — | — | 2 | — | — | — | 2 | — | 2 | — | — |
Wind waves Height (m) Direction Period (s) | N 4 | N 4 | — | NW 3 | WNW 3 | WNW 3 | WSW 3 | WSW 3 | WSW 3 | SW 3 | SSW 4 | SSW 4 | SSW 3 | SSW 3 | SSW 3 | SSW 3 | S 3 | S 4 | SSW 4 | SSW 4 | SSW 4 | SSW 4 | SSW 4 | SSW 4 |
| kJ | 13 | 24 | — | 5 | 3 | 3 | 3 | 3 | 5 | 9 | 16 | 10 | 8 | 7 | 7 | 9 | 11 | 17 | 24 | 21 | 23 | 24 | 28 | 22 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 94 | 49 | 61 | 15 | 1 | 1 | 1 | 1 | 2473 | 1 | 43 | 81 | 124 | 124 | 124 | 124 | 2252 | 2252 | 2661 | 2473 | 2473 | 1654 | 1624 | 1612 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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