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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 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 7PM is: 0.1m 18s primary swell from a East direction and 0.1m 12s secondary swell from a East direction (forecast issued at 01:00pm May 24). An open ocean swell of 1.0m 5s 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 (0.1m) | 18s |
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 26mm), heaviest during Sun afternoon. Warm (max 25°C on Wed morning, min 9°C on Sun afternoon). Winds decreasing (fresh winds from the E on Sun afternoon, calm by Tue morning). | ||||||||||||||||||||||||
Sun 24 | Monday 25 | Tuesday 26 | Wed 27 | |||||||||||||||||||||
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 12 | E 18 | E 18 | E 18 | ESE 6 | ESE 6 | ESE 6 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 7 | |
3 | 6 | 6 | 6 | 0 | 123 | 127 | 110 | 92 | 86 | 86 | 66 | 66 | 34 | 35 | 50 | 35 | 35 | 34 | 21 | 20 | 11 | 11 | 10 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross | cross | cross-on | cross-on | on | cross-on | cross-on | on | cross-on | cross-off | cross-off | cross-off | glassy | cross | cross | cross-on | on | on | on | cross-on | |
High Tide | 7:06PM2.88m | 7:30AM2.83m | 8:05PM2.91m | 8:33AM2.74m | 9:00PM2.94m | |||||||||||||||||||
Low Tide | 12:42PM0.09m | 1:13AM0.25m | 1:40PM0.18m | 2:16AM0.23m | 2:35PM0.26m | 3:15AM0.20m | ||||||||||||||||||
 | | | |  | | | | | |  |  |  |  | | | | |  | | | | | | |
 | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:11 | — | — | — | — | — | — | — | 5:11 | — |
 | — | — | — | 8:04 | — | — | — | — | — | — | — | 8:05 | — | — | — | — | — | — | — | 8:06 | — | — | — | 8:07 |
1 | 2 | 5 | 4 | 4 | 4 | 1 | 1 | 4 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 10 | 9 | 10 | 12 | 12 | 13 | 15 | 16 | 17 | 17 | 18 | 19 | 19 | 17 | 14 | 12 | 15 | 19 | 21 | 18 | 17 | 16 | 17 | 20 |
6 | 4 | 4 | 7 | 8 | 11 | 14 | 16 | 16 | 16 | 18 | 19 | 19 | 15 | 12 | 11 | 15 | 18 | 18 | 15 | 14 | 13 | 14 | 17 | |
Swell 1 Height (m) Direction Period (s) | E 10 | E 10 | E 18 | E 18 | — | — | ESE 6 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 7 |
 kJ | 2 | 2 | 6 | 6 | — | — | 127 | 110 | 92 | 86 | 86 | 66 | 66 | 34 | 35 | 50 | 35 | 35 | 34 | 21 | 20 | 11 | 11 | 10 |
Swell 2 Height (m) Direction Period (s) | E 12 | E 12 | E 12 | E 13 | — | — | E 17 | E 16 | S 9 | E 16 | — | E 16 | E 16 | ENE 6 | E 5 | E 16 | E 15 | E 15 | E 15 | — | S 9 | — | SW 7 | S 7 |
| kJ | 3 | 3 | 3 | 3 | — | — | 6 | 5 | 1 | 5 | — | 5 | 5 | 12 | 8 | 5 | 4 | 4 | 4 | — | 2 | — | 2 | 1 |
Swell 3 Height (m) Direction Period (s) | — | E 18 | — | — | — | — | — | E 16 | E 16 | S 8 | E 16 | E 16 | E 16 | — | E 16 | E 15 | SSE 7 | SSE 8 | SSE 7 | — | E 15 | — | — | S 8 |
| kJ | — | 6 | — | — | — | — | — | 5 | 5 | 1 | 5 | 5 | 5 | — | 5 | 5 | 5 | 6 | 5 | — | 4 | — | — | 1 |
Wind waves Height (m) Direction Period (s) | ESE 4 | ESE 5 | ESE 5 | ESE 5 | ESE 6 | ESE 6 | SSE 9 | S 8 | S 3 | SSW 2 | — | — | — | — | — | — | NNE 2 | — | — | SSW 3 | SW 3 | SW 3 | SW 2 | WSW 2 |
| kJ | 14 | 24 | 37 | 59 | 90 | 123 | 99 | 71 | 6 | 1 | — | — | — | — | — | — | 1 | — | — | 2 | 2 | 2 | 1 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 504 | 415 | 718 | 775 | 132 | 124 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 15 | 55 | 39 | 6 | 52 | 124 | 124 | 85 | 85 | 81 | 85 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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