Surf Forecasts:
How big are the waves at Green Harbor today (28 Jul):
- Morning surf: Morning surf (28 Jul, local time) - 1.5ft (0.5m), 7s period with E swell.
- Afternoon surf: Afternoon surf (28 Jul, local time) - 1.5ft (0.5m), 7s period with E swell.
- Evening surf: Evening surf (28 Jul, local time) - 1.5ft (0.4m), 6s period with ENE swell.
The current surf forecast for Green Harbor at 6PM is: 0.4m 6s primary swell from a East direction and 0.2m 9s secondary swell from a East direction, 0.4m 3s secondary swell from a South-southeast direction (forecast issued at 01:00pm July 28). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Jul) | 1.5ft (0.5m) | 7s |
| Afternoon (28 Jul) | 1.5ft (0.5m) | 7s |
| Evening (28 Jul) | 1.5ft (0.4m) | 6s |
Table - waves today at Green Harbor. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 65mm), heaviest during Wed afternoon. Warm (max 27°C on Tue afternoon, min 18°C on Thu night). Winds decreasing (fresh winds from the E on Wed afternoon, light winds from the ESE by Thu morning). | |||||||||||||||||||||
Tue 28 | Wednesday 29 | Thursday 30 | |||||||||||||||||||
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 7 | E 7 | E 7 | E 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ESE 5 | ESE 5 | ESE 6 | ESE 6 | E 6 | E 6 | E 6 | E 6 | ENE 6 | NE 6 | NE 6 | NNE 7 | NE 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 22 | 21 | 21 | 13 | 13 | 13 | 13 | 14 | 0 | 0 | 0 | 150 | 0 | 0 | 124 | 130 | 121 | 157 | 269 | 304 | 278 |
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 | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off |
High Tide | 11:38AM2.40m | 11:43PM2.84m | 12:16PM2.46m | 00:21AM2.87m | 12:52PM2.52m | ||||||||||||||||
Low Tide | 5:24PM0.53m | 6:03AM0.24m | 6:05PM0.48m | 6:40AM0.19m | 6:44PM0.42m | ||||||||||||||||
 |  |  | |  | | |  |  |  | |  |  | | | | | | | |  | |
 | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — |
 | — | — | — | 8:06 | — | — | — | — | — | — | — | 8:05 | — | — | — | — | — | — | — | 8:04 | — |
mm | 1 | — | — | — | — | — | — | — | 3 | 20 | 25 | 9 | 4 | 1 | 1 | — | — | — | — | — | 1 |
Temp °C | 25 | 27 | 25 | 22 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 19 | 18 | 18 |
Feels °C | 25 | 25 | 22 | 20 | 21 | 21 | 20 | 19 | 19 | 18 | 16 | 19 | 20 | 20 | 20 | 21 | 21 | 20 | 17 | 15 | 16 |
Swell 1 Height (m) Direction Period (s) | E 7 | E 7 | E 7 | E 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | — | — | — | S 6 | SSW 7 | S 7 | S 7 | E 10 | ESE 10 | ESE 9 | ESE 9 | ESE 10 | ESE 10 |
| kJ | 22 | 21 | 21 | 13 | 13 | 13 | 13 | 14 | — | — | — | 7 | 16 | 16 | 4 | 8 | 9 | 8 | 8 | 9 | 9 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | — | — | — | — | — | — | — | E 11 | S 7 | S 9 | S 9 | S 8 | S 8 | S 8 |
| kJ | 7 | 7 | 6 | 6 | 6 | 6 | 6 | — | — | — | — | — | — | — | 2 | 4 | 2 | 6 | 5 | 5 | 5 |
Swell 3 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | SE 8 | SE 8 | SE 8 | — | — | — | — | — | — | — | — | S 10 | ESE 9 | ESE 9 | ESE 9 | — | ESE 10 |
| kJ | 7 | 6 | 6 | 6 | 2 | 2 | 2 | — | — | — | — | — | — | — | — | 2 | 8 | 8 | 7 | — | 10 |
Wind waves Height (m) Direction Period (s) | — | SSE 2 | SSE 3 | SSE 3 | SSE 3 | SSE 3 | SE 3 | ESE 4 | ESE 5 | ESE 5 | ESE 6 | ESE 6 | E 6 | E 6 | E 6 | E 6 | ENE 6 | NE 6 | NE 6 | NNE 7 | NE 7 |
| kJ | — | 1 | 3 | 3 | 2 | 1 | 3 | 10 | 39 | 106 | 140 | 150 | 120 | 134 | 124 | 130 | 121 | 157 | 269 | 304 | 278 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 647 | 1948 | 1926 | 562 | 959 | 462 | 333 | 395 | 298 | 261 | 125 | 92 | 83 | 77 | 87 | 0 | 0 | 0 | 66 | 85 | 77 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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