Surf Forecasts:
How big are the waves at Green Harbor today (10 Oct):
- Afternoon surf: Afternoon surf (10 Oct, local time) - 0.5ft (0.1m), 8s period with E swell.
- Evening surf: Evening surf (10 Oct, local time) - 1ft (0.3m), 4s period with NNE swell.
The current surf forecast for Green Harbor at 11PM is: 0.3m 5s primary swell from a North-northeast direction and 0.1m 9s secondary swell from a East direction (forecast issued at 07:00pm October 10). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Oct) | - | - |
| Afternoon (10 Oct) | 0.5ft (0.1m) | 8s |
| Evening (10 Oct) | 1ft (0.3m) | 4s |
Table - waves today at Green Harbor. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 12mm), heaviest on Sun night. Very mild (max 16°C on Mon afternoon, min 12°C on Sat night). Wind will be generally light. | |||||||||||||||||||
Sat 10 | Sunday 11 | Monday 12 | |||||||||||||||||
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) | N 4 | NNE 4 | NNE 5 | NNE 5 | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 12 | E 8 | E 5 | SE 10 | E 6 | E 6 | E 6 |
Wave Graph  | |||||||||||||||||||
 kJ | 6 | 3 | 5 | 2 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 3 | 1 | 38 | 34 | 47 | 36 | 25 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross | cross | cross-off | off | off | off | cross-off | cross-off | cross-off | glassy | off |
High Tide | 00:11AM2.97m | 12:25PM3.12m | 00:54AM2.88m | 1:04PM3.08m | |||||||||||||||
Low Tide | 5:56PM-0.09m | 6:10AM0.10m | 6:39PM-0.08m | 6:51AM0.19m | 7:20PM-0.03m | ||||||||||||||
 |  | |  |  |  |  | | |  | | | | | | | | | | |
 | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — |
 | 6:08 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:06 | — | — |
mm | — | — | — | — | — | — | — | — | — | 1 | 4 | 4 | 3 | — | — | — | — | — | — |
Temp °C | 15 | 14 | 13 | 12 | 12 | 12 | 13 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 16 | 15 | 15 |
Feels °C | 12 | 11 | 10 | 9 | 9 | 9 | 9 | 10 | 12 | 10 | 10 | 9 | 9 | 10 | 10 | 12 | 15 | 15 | 11 |
Swell 1 Height (m) Direction Period (s) | N 4 | NNE 4 | NNE 5 | NNE 5 | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | S 6 | E 8 | E 5 | ESE 10 | E 6 | E 6 | E 6 |
| kJ | 6 | 3 | 5 | 2 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 3 | 1 | 38 | 10 | 47 | 36 | 25 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 8 | E 9 | E 9 | NNE 4 | NE 4 | — | — | NE 4 | NE 4 | NE 4 | — | E 12 | SSW 8 | SE 10 | SE 10 | ESE 10 | ESE 10 | ESE 9 |
| kJ | 1 | 1 | 2 | 2 | 2 | 1 | — | — | 1 | 1 | 1 | — | 3 | 11 | 15 | 34 | 19 | 18 | 8 |
Swell 3 Height (m) Direction Period (s) | SE 8 | SE 8 | E 8 | E 7 | S 7 | — | — | — | — | — | — | — | — | E 8 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | S 9 |
| kJ | 2 | 2 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | 1 | 16 | 16 | 28 | 16 | 14 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | SE 3 | SE 4 | SE 4 | SE 4 | ESE 3 | E 4 | E 4 | ENE 6 | ENE 5 | N 3 | NNE 3 | — |
| kJ | — | — | — | — | — | — | — | 1 | 2 | 2 | 2 | 4 | 13 | 26 | 45 | 39 | 4 | 2 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 1654 | 1623 | 1612 | 1662 | 1654 | 1543 | 1543 | 1436 | 959 | 438 | 374 | 381 | 461 | 83 | 83 | 15 | 15 | 2 | 72 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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