Surf Forecasts:
How big are the waves at Green Harbor today (27 Jul):
- Morning surf: Morning surf (27 Jul, local time) - 2ft (0.6m), 6s period with E swell.
- Afternoon surf: Afternoon surf (27 Jul, local time) - 2ft (0.6m), 6s period with E swell.
- Evening surf: Evening surf (27 Jul, local time) - 2ft (0.6m), 6s period with E swell.
The current surf forecast for Green Harbor at 6PM is: 0.6m 6s primary swell from a East direction (forecast issued at 01:00pm July 27). An open ocean swell of 0.1m 6s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Jul) | 2ft (0.6m) | 6s |
| Afternoon (27 Jul) | 2ft (0.6m) | 6s |
| Evening (27 Jul) | 2ft (0.6m) | 6s |
Table - waves today at Green Harbor. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 28mm), heaviest during Wed morning. Warm (max 26°C on Tue afternoon, min 19°C on Mon night). Wind will be generally light. | |||||||||||||||||||||
Mon 27 | Tuesday 28 | Wednesday 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 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | E 6 | SE 5 | SE 5 | ENE 6 | SE 6 | E 6 | E 7 | ESE 6 | ESE 6 | E 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 29 | 28 | 28 | 28 | 29 | 30 | 31 | 22 | 22 | 21 | 14 | 13 | 13 | 17 | 12 | 30 | 31 | 35 | 65 | 95 | 89 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-off | cross-on | cross | cross | cross | cross-on |
High Tide | 10:57AM2.37m | 11:03PM2.81m | 11:38AM2.40m | 11:43PM2.84m | 12:16PM2.46m | ||||||||||||||||
Low Tide | 4:42PM0.58m | 5:25AM0.28m | 5:24PM0.53m | 6:03AM0.24m | 6:05PM0.48m | ||||||||||||||||
 | | | |  | | | | |  | | |  |  | |  |  | | | | | |
 | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — |
 | — | — | — | 8:07 | — | — | — | — | — | — | — | 8:06 | — | — | — | — | — | — | — | 8:05 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 7 | 9 | 2 | 1 | — | — |
Temp °C | 20 | 21 | 23 | 22 | 20 | 20 | 19 | 22 | 25 | 26 | 25 | 22 | 22 | 21 | 20 | 20 | 21 | 23 | 23 | 21 | 20 |
Feels °C | 21 | 20 | 21 | 21 | 19 | 20 | 19 | 22 | 23 | 23 | 22 | 20 | 21 | 20 | 20 | 18 | 19 | 22 | 22 | 22 | 21 |
Swell 1 Height (m) Direction Period (s) | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | E 6 | ENE 6 | ENE 6 | ENE 6 | E 6 | E 6 | E 7 | ENE 7 | E 6 | E 6 |
| kJ | 29 | 28 | 28 | 28 | 29 | 30 | 31 | 22 | 22 | 21 | 14 | 13 | 13 | 8 | 12 | 27 | 31 | 35 | 40 | 21 | 89 |
Swell 2 Height (m) Direction Period (s) | S 6 | S 6 | S 6 | — | S 6 | SE 8 | SE 8 | E 10 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | — | — | — | — | — | ENE 6 |
| kJ | 1 | 1 | 1 | — | 1 | 16 | 17 | 7 | 7 | 7 | 6 | 6 | 12 | 6 | 5 | — | — | — | — | — | 60 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | S 8 | S 8 | E 10 | E 9 | E 9 | ESE 8 | ESE 8 | ESE 8 | SE 8 | E 8 | — | — | — | — | — | SSW 7 |
| kJ | — | — | — | — | — | 1 | 5 | 7 | 7 | 6 | 6 | 6 | 6 | 2 | 1 | — | — | — | — | — | 10 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | SSE 3 | S 3 | SSE 3 | SSE 3 | SE 5 | SE 5 | SE 5 | SE 6 | SE 5 | SE 6 | ESE 6 | ESE 6 | — |
| kJ | — | — | — | — | — | — | — | — | 2 | 5 | 6 | 6 | 10 | 17 | 30 | 30 | 30 | 35 | 65 | 95 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 56 | 52 | 529 | 655 | 43 | 9 | 15 | 85 | 647 | 1926 | 959 | 945 | 401 | 333 | 238 | 83 | 124 | 124 | 124 | 99 | 1 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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