Surf Forecasts:
How big are the waves at Green Harbor today (27 Sep):
- Afternoon surf: Afternoon surf (27 Sep, local time) - 8ft (2.5m), 8s period with ENE swell.
- Evening surf: Evening surf (27 Sep, local time) - 8ft (2.4m), 8s period with ENE swell.
The current surf forecast for Green Harbor at 11PM is: 2.4m 8s primary swell from a East-northeast direction and 0.2m 8s secondary swell from a East-southeast direction (forecast issued at 07:00pm September 27). An open ocean swell of 0.4m 8s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Sep) | - | - |
| Afternoon (27 Sep) | 8ft (2.5m) | 8s |
| Evening (27 Sep) | 8ft (2.4m) | 8s |
Table - waves today at Green Harbor. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 12mm), heaviest on Mon morning. Very mild (max 18°C on Mon afternoon, min 12°C on Mon night). Winds decreasing (fresh winds from the ENE on Sun night, calm by Wed morning). | |||||||||||||||||||
Sun 27 | Monday 28 | Tuesday 29 | |||||||||||||||||
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 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | NE 8 | NE 8 | NE 8 | ENE 8 | ENE 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 |
Wave Graph  | |||||||||||||||||||
 kJ | 845 | 759 | 734 | 620 | 667 | 608 | 608 | 522 | 456 | 408 | 202 | 197 | 165 | 137 | 118 | 120 | 99 | 99 | 101 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off |
High Tide | 00:45AM2.94m | 12:59PM3.13m | 1:28AM2.94m | 1:41PM3.20m | |||||||||||||||
Low Tide | 6:33PM-0.05m | 6:49AM0.09m | 7:17PM-0.14m | 7:30AM0.10m | 8:02PM-0.18m | ||||||||||||||
 |  |  | | |  | | | | | | | | | | | | | | |
 | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — |
 | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:28 | — | — |
mm | — | — | 1 | 1 | 1 | 1 | 4 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — |
Temp °C | 16 | 15 | 15 | 15 | 16 | 16 | 16 | 17 | 18 | 17 | 16 | 14 | 12 | 12 | 13 | 14 | 15 | 15 | 15 |
Feels °C | 11 | 10 | 11 | 11 | 12 | 12 | 14 | 16 | 18 | 17 | 15 | 10 | 7 | 9 | 11 | 12 | 13 | 14 | 13 |
Swell 1 Height (m) Direction Period (s) | S 8 | S 8 | S 8 | S 8 | ENE 8 | ENE 9 | ENE 9 | NE 8 | NE 8 | NE 8 | ENE 8 | ENE 8 | E 8 | E 8 | NNE 6 | ENE 8 | ENE 9 | ENE 9 | ENE 9 |
| kJ | 12 | 12 | 18 | 4 | 513 | 608 | 608 | 522 | 456 | 408 | 202 | 197 | 165 | 137 | 69 | 120 | 99 | 99 | 101 |
Swell 2 Height (m) Direction Period (s) | — | — | ESE 8 | ESE 8 | S 7 | S 7 | E 16 | E 16 | N 6 | S 8 | NNE 7 | NNE 7 | E 14 | E 14 | ENE 8 | NNE 6 | NNE 6 | NNE 6 | NNE 5 |
| kJ | — | — | 6 | 6 | 10 | 9 | 5 | 5 | 38 | 4 | 127 | 85 | 4 | 4 | 118 | 45 | 36 | 27 | 18 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | ESE 7 | ESE 7 | E 16 | SSE 7 | S 7 | S 8 | E 15 | E 15 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 |
| kJ | — | — | — | — | 5 | 5 | 5 | 16 | 17 | 42 | 4 | 4 | 4 | 16 | 4 | 4 | 4 | 4 | 4 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | — | — | — | SSE 4 | — | — | — | NNE 6 | N 6 | N 6 | — | NNE 5 | NNE 5 | NNE 5 |
| kJ | 845 | 759 | 734 | 620 | 667 | — | — | — | 6 | — | — | — | 85 | 77 | 85 | — | 49 | 37 | 28 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 794 | 810 | 453 | 395 | 412 | 106 | 0 | 94 | 0 | 0 | 0 | 52 | 49 | 32 | 9 | 9 | 0 | 0 | 0 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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