Surf Forecasts:
How big are the waves at Green Harbor today (29 Aug):
- Morning surf: Morning surf (29 Aug, local time) - 1.5ft (0.4m), 7s period with ESE swell.
- Afternoon surf: Afternoon surf (29 Aug, local time) - 1.5ft (0.5m), 7s period with ESE swell.
- Evening surf: Evening surf (29 Aug, local time) - 1.5ft (0.4m), 5s period with NE swell.
The current surf forecast for Green Harbor at 8PM is: 0.4m 5s primary swell from a Northeast direction and 0.3m 6s secondary swell from a East-southeast direction (forecast issued at 01:00pm August 29). An open ocean swell of 0.2m 6s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Aug) | 1.5ft (0.4m) | 7s |
| Afternoon (29 Aug) | 1.5ft (0.5m) | 7s |
| Evening (29 Aug) | 1.5ft (0.4m) | 5s |
Table - waves today at Green Harbor. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 18mm), heaviest on Tue morning. Warm (max 28°C on Sun afternoon, min 19°C on Sun night). Wind will be generally light. | |||||||||||||||||||||
Sat 29 | Sunday 30 | Monday 31 | |||||||||||||||||||
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) | ESE 7 | ESE 7 | NE 5 | NE 5 | E 6 | E 6 | ESE 8 | ESE 8 | ESE 8 | E 5 | SSW 3 | SSW 3 | SW 3 | SE 9 | SE 8 | SE 8 | E 8 | ESE 8 | SE 9 | SE 9 | E 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 16 | 26 | 15 | 8 | 7 | 7 | 7 | 7 | 7 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 1 | 7 | 3 | 3 | 1 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross | cross-off | off | cross-off | cross | cross-on | cross-on |
High Tide | 12:55PM2.80m | 1:11AM2.94m | 1:32PM2.90m | 1:51AM2.92m | 2:11PM2.99m | ||||||||||||||||
Low Tide | 6:59PM0.16m | 7:21AM0.09m | 7:41PM0.08m | 8:00AM0.10m | 8:25PM0.02m | ||||||||||||||||
 | | |  | |  | |  |  | | |  | | | | | | | | | | |
 | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | — | — | 7:22 | — | — | — | — | — | — | — | 7:20 | — | — | — | — | — | — | — | 7:17 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 20 | 20 | 21 | 20 | 20 | 21 | 20 | 25 | 28 | 28 | 22 | 20 | 20 | 19 | 19 | 20 | 21 | 21 | 21 | 20 |
Feels °C | 17 | 18 | 19 | 19 | 17 | 17 | 18 | 16 | 22 | 25 | 24 | 20 | 18 | 18 | 18 | 19 | 20 | 20 | 19 | 20 | 19 |
Swell 1 Height (m) Direction Period (s) | ESE 7 | ESE 7 | NE 5 | NE 5 | NE 4 | E 6 | E 6 | E 6 | E 6 | E 5 | SE 8 | SE 9 | SE 9 | SE 9 | SE 8 | SE 8 | E 8 | SE 9 | — | ENE 3 | — |
| kJ | 16 | 15 | 14 | 8 | 3 | 6 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 1 | 3 | — | 1 | — |
Swell 2 Height (m) Direction Period (s) | S 7 | ESE 7 | ESE 7 | ESE 6 | E 6 | NE 4 | ESE 8 | ESE 8 | ESE 8 | SE 8 | E 5 | E 5 | E 5 | E 5 | — | — | — | ESE 8 | SE 9 | SE 9 | E 9 |
| kJ | 1 | 26 | 15 | 8 | 6 | 3 | 7 | 7 | 7 | 3 | 1 | 1 | 1 | 1 | — | — | — | 7 | 3 | 3 | 1 |
Swell 3 Height (m) Direction Period (s) | E 8 | S 7 | E 9 | E 9 | ESE 8 | ESE 8 | NE 4 | NE 4 | E 8 | E 9 | E 9 | — | E 8 | — | SSW 5 | W 3 | — | — | — | S 8 | S 8 |
| kJ | 1 | 3 | 2 | 1 | 7 | 7 | 1 | 1 | 1 | 2 | 1 | — | 1 | — | 3 | 1 | — | — | — | 1 | 1 |
Wind waves Height (m) Direction Period (s) | NNE 5 | NE 5 | — | S 6 | — | — | — | — | — | — | SSW 3 | SSW 3 | SW 3 | WSW 3 | — | — | — | — | — | SSE 2 | SSE 2 |
| kJ | 19 | 18 | — | 3 | — | — | — | — | — | — | 2 | 3 | 2 | 1 | — | — | — | — | — | 1 | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 91 | 151 | 515 | 349 | 95 | 85 | 131 | 647 | 794 | 832 | 341 | 312 | 127 | 174 | 174 | 174 | 526 | 515 | 515 | 656 | 832 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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