Surf Forecasts:
How big are the waves at Green Harbor today (13 Oct):
- Morning surf: Morning surf (13 Oct, local time) - 5ft (1.5m), 6s period with ENE swell.
- Afternoon surf: Afternoon surf (13 Oct, local time) - 4.5ft (1.4m), 7s period with ENE swell.
- Evening surf: Evening surf (13 Oct, local time) - 2.5ft (0.8m), 7s period with NE swell.
The current surf forecast for Green Harbor at 3AM is: 0.2m 10s primary swell from a East-southeast direction (forecast issued at 07:00pm October 12). An open ocean swell of 0.2m 9s is not directed at the surf break, a second open ocean swell of 0.9m 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 (13 Oct) | 5ft (1.5m) | 6s |
| Afternoon (13 Oct) | 4.5ft (1.4m) | 7s |
| Evening (13 Oct) | 2.5ft (0.8m) | 7s |
Table - waves today at Green Harbor. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Tue night. Warm (max 24°C on Wed afternoon, min 11°C on Mon night). Mainly fresh winds. | |||||||||||||||||||
Mon 12 | Tuesday 13 | Wednesday 14 | |||||||||||||||||
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) | ENE 6 | ENE 6 | E 6 | ESE 10 | ESE 10 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | NE 7 | E 6 | E 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 | E 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 43 | 34 | 18 | 9 | 9 | 175 | 222 | 180 | 176 | 75 | 98 | 110 | 94 | 82 | 69 | 57 | 55 | 38 | 25 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | off | cross-off | off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross |
High Tide | 1:35AM2.78m | 1:43PM3.00m | 2:16AM2.66m | 2:23PM2.91m | |||||||||||||||
Low Tide | 7:20PM-0.03m | 7:30AM0.29m | 8:01PM0.04m | 8:10AM0.40m | 8:44PM0.14m | ||||||||||||||
 |  | |  | |  | | | | |  | | | | | | |  | | |
 | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — |
 | 6:06 | — | — | — | — | — | — | — | 6:04 | — | — | — | — | — | — | — | 6:02 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — |
Temp °C | 19 | 18 | 16 | 12 | 11 | 12 | 12 | 13 | 14 | 15 | 17 | 17 | 17 | 17 | 21 | 24 | 24 | 20 | 16 |
Feels °C | 18 | 16 | 13 | 7 | 6 | 8 | 9 | 10 | 10 | 13 | 14 | 15 | 16 | 16 | 20 | 22 | 22 | 17 | 13 |
Swell 1 Height (m) Direction Period (s) | ENE 6 | ENE 6 | E 6 | ESE 10 | ESE 10 | SE 9 | ENE 7 | ENE 7 | ENE 7 | ESE 6 | E 6 | E 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 | E 7 |
| kJ | 43 | 34 | 15 | 9 | 9 | 12 | 222 | 180 | 176 | 68 | 98 | 110 | 94 | 82 | 69 | 57 | 55 | 38 | 25 |
Swell 2 Height (m) Direction Period (s) | ESE 10 | ESE 10 | ESE 10 | SSW 9 | SSW 8 | SSW 8 | SE 8 | S 8 | S 8 | NE 7 | NE 7 | — | SE 5 | — | S 6 | SE 7 | SE 7 | SE 7 | S 4 |
| kJ | 19 | 18 | 18 | 15 | 7 | 7 | 11 | 1 | 1 | 75 | 27 | — | 1 | — | 30 | 2 | 2 | 2 | 1 |
Swell 3 Height (m) Direction Period (s) | SSW 9 | SSW 9 | SSW 9 | — | — | — | SSW 8 | SW 8 | — | S 8 | — | — | — | — | — | SE 7 | SE 7 | E 8 | SSE 8 |
| kJ | 16 | 16 | 16 | — | — | — | 7 | 3 | — | 1 | — | — | — | — | — | 7 | 8 | 1 | 6 |
Wind waves Height (m) Direction Period (s) | — | — | N 3 | NE 4 | ENE 5 | ENE 6 | — | SE 8 | SSE 4 | SSE 5 | SSE 5 | SSW 2 | SSW 3 | SSW 3 | SW 3 | W 3 | W 2 | W 2 | NW 3 |
| kJ | — | — | 3 | 23 | 97 | 175 | — | 11 | 22 | 32 | 28 | 1 | 3 | 4 | 2 | 1 | 1 | 1 | 2 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 9 | 43 | 72 | 83 | 261 | 85 | 0 | 794 | 593 | 593 | 32 | 2 | 2 | 1 | 1 | 9 | 15 | 72 | 127 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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