Surf Forecasts:
How big are the waves at Green Harbor today (23 Jul):
- Morning surf: Morning surf (23 Jul, local time) - 1.5ft (0.4m), 8s period with ESE swell.
- Afternoon surf: Afternoon surf (23 Jul, local time) - 1ft (0.3m), 9s period with ESE swell.
- Evening surf: Evening surf (23 Jul, local time) - 1ft (0.3m), 8s period with ESE swell.
The current surf forecast for Green Harbor at 2PM is: 0.4m 9s primary swell from a Southeast direction (forecast issued at 07:00am July 23). An open ocean swell of 0.2m 8s is not directed at the surf break, a second open ocean swell of 0.4m 4s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Jul) | 1.5ft (0.4m) | 8s |
| Afternoon (23 Jul) | 1ft (0.3m) | 9s |
| Evening (23 Jul) | 1ft (0.3m) | 8s |
Table - waves today at Green Harbor. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 25°C on Fri afternoon, min 17°C on Sat night). Wind will be generally light. | |||||||||||||||||||||||
Thursday 23 | Friday 24 | Saturday 25 | |||||||||||||||||||||
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 | 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 9 | ESE 8 | ESE 11 | SE 9 | ESE 9 | ESE 8 | ESE 9 | ESE 7 | ESE 7 | ESE 7 | E 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 7 | E 7 | ESE 7 | ESE 7 | ESE 6 | E 6 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 32 | 28 | 44 | 22 | 15 | 12 | 16 | 10 | 10 | 9 | 5 | 13 | 12 | 6 | 6 | 6 | 11 | 18 | 26 | 10 | 5 | 62 | 47 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | off | cross | cross-on | on | on | cross-on | cross-on | cross-on | cross-off | cross | cross-on | cross-on | glassy | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 7:25AM2.44m | 7:44PM2.77m | 8:25AM2.37m | 8:39PM2.75m | 9:21AM2.34m | 9:31PM2.75m | |||||||||||||||||
Low Tide | 1:19PM0.51m | 2:07AM0.36m | 2:14PM0.59m | 3:04AM0.37m | 3:07PM0.62m | ||||||||||||||||||
 |  | | | | |  | | | | | | | | | | | | | | | | | |
 | 5:26 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — |
 | — | — | — | — | — | 8:09 | — | — | — | — | — | — | — | 8:09 | — | — | — | — | — | — | — | 8:08 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 18 | 20 | 22 | 22 | 21 | 20 | 20 | 20 | 18 | 23 | 25 | 24 | 21 | 20 | 19 | 19 | 19 | 20 | 20 | 20 | 18 | 18 |
Feels °C | 14 | 13 | 16 | 19 | 18 | 18 | 17 | 17 | 18 | 17 | 22 | 21 | 19 | 17 | 18 | 18 | 18 | 17 | 17 | 17 | 18 | 16 | 15 |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 8 | ESE 11 | SE 9 | ESE 9 | ESE 8 | ESE 9 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | E 6 | S 6 |
| kJ | 32 | 28 | 44 | 22 | 15 | 12 | 16 | 10 | 10 | 9 | 4 | 13 | 12 | 6 | 6 | 6 | 11 | 18 | 4 | 10 | 5 | 31 | 1 |
Swell 2 Height (m) Direction Period (s) | SSW 8 | SSW 8 | SSW 8 | SSW 8 | N 4 | NNE 3 | — | — | SSW 8 | S 7 | E 8 | S 7 | SW 7 | ESE 6 | ESE 3 | ESE 4 | ESE 4 | ESE 7 | S 6 | — | — | S 9 | S 8 |
| kJ | 13 | 6 | 7 | 7 | 2 | 1 | — | — | 6 | 1 | 5 | 1 | 2 | 4 | 1 | 1 | 2 | 5 | 1 | — | — | 2 | 1 |
Swell 3 Height (m) Direction Period (s) | — | E 12 | E 11 | — | SSW 8 | SSW 8 | — | — | — | — | S 8 | S 7 | S 8 | E 8 | S 8 | S 6 | S 6 | S 7 | — | — | — | — | — |
| kJ | — | 3 | 2 | — | 6 | 6 | — | — | — | — | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 3 | NNW 3 | N 3 | N 4 | — | — | — | — | — | — | — | — | SE 2 | SE 3 | SE 3 | — | — | — | E 7 | E 4 | E 4 | ESE 6 | E 6 |
| kJ | 1 | 2 | 4 | 4 | — | — | — | — | — | — | — | — | 1 | 1 | 4 | — | — | — | 26 | 6 | 14 | 62 | 47 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 72 | 72 | 72 | 91 | 96 | 99 | 52 | 52 | 54 | 57 | 96 | 810 | 810 | 810 | 85 | 106 | 85 | 85 | 832 | 1042 | 976 | 106 | 94 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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