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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 am Sunday 24 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
12.5° C
(Which is 1.7°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 8AM is: 0.1m 18s primary swell from a East direction and 0.1m 10s secondary swell from a East direction, 0.1m 12s secondary swell from a East direction (forecast issued at 01:00am May 24). An open ocean swell of 0.5m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (24 May) | 0.5ft (0.1m) | 18s |
| Afternoon (24 May) | 0.5ft (0.1m) | 18s |
| Evening (24 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 27mm), heaviest during Sun afternoon. Warm (max 22°C on Tue afternoon, min 8°C on Sun morning). Winds decreasing (fresh winds from the E on Sun night, light winds from the SSW by Mon night). | ||||||||||||||||||||||||
Sunday 24 | Monday 25 | Tuesday 26 | ||||||||||||||||||||||
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 | 5 PM | 8 PM | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
E 12 | E 10 | E 18 | E 12 | E 18 | E 18 | ESE 9 | ESE 5 | ESE 6 | ESE 7 | E 7 | E 7 | ESE 8 | ESE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ESE 8 | ESE 8 | |
3 | 2 | 6 | 3 | 6 | 6 | 8 | 0 | 146 | 286 | 113 | 89 | 120 | 96 | 69 | 68 | 68 | 49 | 49 | 48 | 33 | 32 | 20 | 19 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | on | cross-on | cross-on | on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | on | on | |
High Tide | 6:26AM2.94m | 7:06PM2.88m | 7:30AM2.83m | 8:05PM2.91m | 8:33AM2.74m | 9:00PM2.94m | ||||||||||||||||||
Low Tide | 00:08AM0.24m | 12:42PM0.09m | 1:13AM0.25m | 1:40PM0.18m | 2:16AM0.23m | 2:35PM0.26m | ||||||||||||||||||
 | |  |  | | | |  | | | | | | | | | | | |  |  | | |  | |
 | — | 5:13 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:11 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:04 | — | — | — | — | — | — | — | 8:05 | — | — | — | — | — | — | — | 8:06 | — |
— | — | — | 3 | 4 | 5 | 4 | 3 | 1 | — | 2 | 3 | 2 | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 11 | 10 | 8 | 9 | 10 | 11 | 11 | 12 | 14 | 15 | 17 | 16 | 20 | 21 | 19 | 17 | 14 | 13 | 14 | 18 | 22 | 19 | 17 |
9 | 8 | 6 | 4 | 5 | 4 | 5 | 6 | 9 | 13 | 14 | 16 | 16 | 20 | 22 | 19 | 16 | 13 | 12 | 14 | 17 | 20 | 16 | 14 | |
Swell 1 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | ESE 9 | — | — | ESE 7 | E 7 | E 7 | ESE 8 | ESE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ESE 8 | ESE 8 |
 kJ | 2 | 2 | 2 | 2 | 2 | 2 | 8 | — | — | 163 | 113 | 89 | 120 | 96 | 69 | 68 | 68 | 49 | 49 | 48 | 33 | 32 | 20 | 19 |
Swell 2 Height (m) Direction Period (s) | E 12 | — | E 12 | E 12 | E 12 | E 12 | S 8 | — | E 18 | E 17 | E 16 | S 9 | S 8 | E 16 | E 16 | E 16 | — | — | E 16 | E 15 | E 15 | E 15 | — | — |
| kJ | 3 | — | 3 | 3 | 3 | 3 | 1 | — | 6 | 6 | 5 | 2 | 1 | 5 | 5 | 5 | — | — | 5 | 4 | 4 | 4 | — | — |
Swell 3 Height (m) Direction Period (s) | — | S 8 | E 18 | — | E 18 | E 18 | E 18 | — | — | — | E 16 | E 16 | E 16 | — | E 16 | E 16 | E 16 | E 16 | E 15 | — | E 15 | — | — | — |
| kJ | — | 1 | 6 | — | 6 | 6 | 6 | — | — | — | 5 | 5 | 5 | — | 5 | 5 | 5 | 5 | 5 | — | 4 | — | — | — |
Wind waves Height (m) Direction Period (s) | E 4 | E 4 | ESE 4 | ESE 4 | ESE 4 | ESE 4 | ESE 4 | ESE 5 | ESE 6 | ESE 7 | — | S 8 | — | — | — | — | — | — | — | — | — | — | SSW 2 | SW 3 |
| kJ | 7 | 8 | 10 | 7 | 11 | 17 | 27 | 77 | 146 | 286 | — | 71 | — | — | — | — | — | — | — | — | — | — | 1 | 2 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 124 | 718 | 718 | 501 | 501 | 395 | 395 | 275 | 132 | 2 | 1 | 2 | 1 | 1 | 1 | 1 | 9 | 55 | 39 | 102 | 52 | 6 | 85 | 85 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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