Surf Forecasts:
How big are the waves at Green Harbor today (27 Aug):
- Morning surf: Morning surf (27 Aug, local time) - 1.5ft (0.5m), 9s period with E swell.
- Afternoon surf: Afternoon surf (27 Aug, local time) - 1.5ft (0.5m), 9s period with E swell.
- Evening surf: Evening surf (27 Aug, local time) - 1.5ft (0.4m), 9s period with E swell.
The current surf forecast for Green Harbor at 8PM is: 0.4m 9s primary swell from a East direction and 0.1m 4s secondary swell from a Southeast direction, 0.4m 3s secondary swell from a South direction (forecast issued at 01:00pm August 27). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Aug) | 1.5ft (0.5m) | 9s |
| Afternoon (27 Aug) | 1.5ft (0.5m) | 9s |
| Evening (27 Aug) | 1.5ft (0.4m) | 9s |
Table - waves today at Green Harbor. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 8mm), mostly falling on Fri afternoon. Warm (max 27°C on Thu afternoon, min 18°C on Fri night). Wind will be generally light. | |||||||||||||||||||||
Thu 27 | Friday 28 | Saturday 29 | |||||||||||||||||||
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 | E 9 | E 9 | ESE 9 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | NE 5 | NE 5 | NE 5 |
Wave Graph  | |||||||||||||||||||||
 kJ | 41 | 41 | 41 | 25 | 25 | 24 | 24 | 13 | 22 | 22 | 12 | 12 | 12 | 12 | 12 | 6 | 6 | 6 | 32 | 20 | 11 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | on | cross-on | cross | cross-off | cross-off | cross-off | off | off | cross-off | cross | on |
High Tide | 11:43AM2.57m | 11:54PM2.89m | 12:19PM2.68m | 00:32AM2.93m | 12:55PM2.80m | ||||||||||||||||
Low Tide | 5:39PM0.36m | 6:08AM0.16m | 6:19PM0.26m | 6:45AM0.12m | 6:59PM0.16m | ||||||||||||||||
 | |  |  | | |  |  |  | | | |  | | | | | | | | | |
 | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | — | 7:24 | — | — | — | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:22 | — | — |
mm | — | — | — | — | — | — | 1 | — | 1 | 2 | 2 | 2 | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 27 | 26 | 23 | 23 | 22 | 22 | 22 | 25 | 27 | 27 | 26 | 23 | 19 | 18 | 18 | 18 | 18 | 18 | 19 | 19 |
Feels °C | 24 | 23 | 24 | 23 | 24 | 24 | 24 | 24 | 27 | 29 | 29 | 28 | 23 | 17 | 16 | 16 | 16 | 16 | 16 | 17 | 17 |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | ESE 9 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | NE 5 | NE 5 | NE 5 |
| kJ | 41 | 41 | 41 | 25 | 25 | 24 | 24 | 13 | 22 | 22 | 12 | 12 | 12 | 12 | 12 | 6 | 6 | 6 | 32 | 20 | 11 |
Swell 2 Height (m) Direction Period (s) | S 10 | S 10 | S 9 | SE 4 | S 9 | ENE 10 | SSE 4 | SE 4 | NE 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | ESE 8 | ESE 8 | ESE 8 |
| kJ | 2 | 2 | 2 | 1 | 2 | 11 | 2 | 1 | 4 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 7 | 7 | 7 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | S 9 | NE 10 | E 10 | E 10 | E 10 | S 8 | S 6 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 10 | E 9 |
| kJ | — | — | — | — | — | — | 2 | 4 | 2 | 2 | 2 | 1 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
Wind waves Height (m) Direction Period (s) | — | SSE 3 | SSE 3 | S 3 | SSE 3 | SSE 4 | SSE 4 | SSE 4 | — | — | — | — | — | — | NNE 4 | NNE 5 | NE 5 | NE 5 | — | — | — |
| kJ | — | 2 | 3 | 3 | 2 | 3 | 9 | 7 | — | — | — | — | — | — | 16 | 39 | 51 | 45 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 794 | 1198 | 959 | 525 | 43 | 85 | 54 | 52 | 52 | 54 | 43 | 54 | 56 | 81 | 81 | 109 | 96 | 106 | 151 | 151 | 151 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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