Surf Forecasts:
How big are the waves at Green Harbor today (15 Sep):
- Morning surf: Morning surf (15 Sep, local time) - 0.5ft (0.2m), 9s period with E swell.
- Afternoon surf: Afternoon surf (15 Sep, local time) - 0.5ft (0.2m), 9s period with E swell.
- Evening surf: Evening surf (15 Sep, local time) - 2ft (0.6m), 5s period with NE swell.
The current surf forecast for Green Harbor at 7PM is: 0.6m 5s primary swell from a Northeast direction and 0.2m 9s secondary swell from a East direction (forecast issued at 01:00pm September 15). The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Sep) | 0.5ft (0.2m) | 9s |
| Afternoon (15 Sep) | 0.5ft (0.2m) | 9s |
| Evening (15 Sep) | 2ft (0.6m) | 5s |
Table - waves today at Green Harbor. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 23°C on Thu afternoon, min 14°C on Tue afternoon). Wind will be generally light. | |||||||||||||||||||||
Tue 15 | Wednesday 16 | Thursday 17 | |||||||||||||||||||
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 |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | E 9 | E 9 | NE 5 | NE 5 | ENE 5 | NE 5 | ENE 5 | NE 5 | E 6 | E 9 | ENE 7 | ENE 7 | ENE 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 7 | 7 | 25 | 21 | 19 | 13 | 9 | 6 | 6 | 7 | 16 | 17 | 17 | 16 | 17 | 17 | 16 | 15 | 15 | 15 | 14 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | cross-off | cross-on | on | on | on | on | cross-on | cross-on | on | on | on | on | on | glassy | cross-off | glassy | on | on |
High Tide | 2:57PM2.97m | 3:28AM2.66m | 3:42PM2.86m | 4:16AM2.51m | 4:30PM2.74m | ||||||||||||||||
Low Tide | 8:43AM0.23m | 9:14PM0.09m | 9:27AM0.38m | 10:02PM0.22m | 10:14AM0.52m | 10:52PM0.34m | |||||||||||||||
 | | |  | | | |  | | | | | | | | | | |  |  | | |
 | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | — | — | 6:52 | — | — | — | — | — | — | — | 6:51 | — | — | — | — | — | — | — | 6:49 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 14 | 15 | 14 | 14 | 14 | 14 | 16 | 22 | 22 | 20 | 21 | 21 | 19 | 18 | 21 | 23 | 21 | 20 | 20 |
Feels °C | 11 | 12 | 12 | 14 | 13 | 12 | 13 | 12 | 14 | 19 | 19 | 17 | 19 | 20 | 19 | 18 | 23 | 24 | 22 | 20 | 20 |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | NE 5 | NE 5 | ENE 5 | NE 5 | ENE 5 | NE 5 | E 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 |
| kJ | 7 | 7 | 25 | 21 | 19 | 13 | 9 | 6 | 6 | 7 | 16 | 17 | 17 | 16 | 17 | 17 | 16 | 15 | 15 | 15 | 14 |
Swell 2 Height (m) Direction Period (s) | E 15 | E 15 | E 9 | E 10 | E 10 | E 10 | E 10 | E 6 | ENE 5 | E 9 | E 13 | E 13 | E 13 | E 13 | E 13 | E 13 | E 12 | E 12 | E 12 | E 12 | — |
| kJ | 4 | 4 | 7 | 2 | 2 | 2 | 2 | 3 | 2 | 6 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | — |
Swell 3 Height (m) Direction Period (s) | E 10 | — | E 15 | E 14 | E 14 | E 14 | E 14 | E 9 | E 9 | E 13 | NE 4 | — | — | S 13 | S 13 | S 13 | S 13 | S 12 | S 13 | S 13 | E 12 |
| kJ | 2 | — | 4 | 4 | 4 | 4 | 4 | 2 | 2 | 4 | 1 | — | — | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
Wind waves Height (m) Direction Period (s) | NE 5 | NE 5 | — | — | — | — | — | — | — | — | S 2 | SSW 2 | SSW 2 | — | — | — | SSW 3 | — | SSE 3 | S 3 | — |
| kJ | 39 | 31 | — | — | — | — | — | — | — | — | 1 | 1 | 1 | — | — | — | 1 | — | 2 | 1 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 647 | 2787 | 649 | 888 | 649 | 649 | 611 | 647 | 945 | 1198 | 1198 | 515 | 131 | 526 | 524 | 54 | 52 | 838 | 85 | 54 | 54 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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