Surf Forecasts:
How big are the waves at Green Harbor today (16 Sep):
- Morning surf: Morning surf (16 Sep, local time) - 1.5ft (0.4m), 5s period with NE swell.
- Afternoon surf: Afternoon surf (16 Sep, local time) - 0.5ft (0.2m), 9s period with E swell.
- Evening surf: Evening surf (16 Sep, local time) - 1.5ft (0.4m), 7s period with ENE swell.
The current surf forecast for Green Harbor at 10PM is: 0.4m 7s primary swell from a East-northeast direction and 0.1m 13s secondary swell from a East direction, 0.2m 3s secondary swell from a South-southwest direction (forecast issued at 01:00pm September 16). The wind direction is predicted to be onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Sep) | 1.5ft (0.4m) | 5s |
| Afternoon (16 Sep) | 0.5ft (0.2m) | 9s |
| Evening (16 Sep) | 1.5ft (0.4m) | 7s |
Table - waves today at Green Harbor. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Thu night. Warm (max 25°C on Thu afternoon, min 12°C on Sat morning). Wind will be generally light. | |||||||||||||||||||||
Wed 16 | Thursday 17 | Friday 18 | |||||||||||||||||||
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 9 | ENE 7 | ENE 7 | ENE 7 | E 7 | E 8 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 12 | E 12 | E 12 | E 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 6 | 7 | 10 | 18 | 18 | 28 | 29 | 28 | 27 | 26 | 23 | 15 | 14 | 15 | 10 | 16 | 15 | 11 | 11 | 11 | 11 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | on | on | on | on | on | cross-on | cross-on | cross-on | on | on | on | cross-on | cross | cross-off | off | glassy | cross-off | cross-off |
High Tide | 3:42PM2.86m | 4:16AM2.51m | 4:30PM2.74m | 5:08AM2.38m | 5:24PM2.64m | ||||||||||||||||
Low Tide | 9:27AM0.38m | 10:02PM0.22m | 10:14AM0.52m | 10:52PM0.34m | 11:05AM0.63m | ||||||||||||||||
 | |  |  | | | | | | |  |  | | |  | | | | |  | | |
 | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | — | — | 6:51 | — | — | — | — | — | — | — | 6:49 | — | — | — | — | — | — | — | 6:46 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — |
Temp °C | 19 | 23 | 23 | 19 | 20 | 20 | 19 | 19 | 23 | 25 | 24 | 21 | 20 | 20 | 19 | 19 | 22 | 22 | 23 | 22 | 18 |
Feels °C | 17 | 21 | 20 | 17 | 18 | 19 | 19 | 19 | 23 | 25 | 23 | 20 | 19 | 20 | 20 | 20 | 20 | 20 | 23 | 21 | 14 |
Swell 1 Height (m) Direction Period (s) | E 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | E 7 | E 8 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 |
| kJ | 6 | 7 | 10 | 18 | 18 | 28 | 29 | 28 | 27 | 26 | 23 | 15 | 14 | 15 | 10 | 16 | 15 | 8 | 8 | 8 | 10 |
Swell 2 Height (m) Direction Period (s) | ENE 5 | E 9 | E 13 | E 13 | E 13 | E 13 | E 13 | E 13 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 6 | E 12 | E 12 | E 12 | NNE 3 | E 12 | E 12 |
| kJ | 2 | 6 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 7 | 11 | 11 | 11 | 1 | 11 | 11 |
Swell 3 Height (m) Direction Period (s) | E 9 | E 13 | — | — | — | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 13 | S 13 | E 12 | E 12 | E 12 | E 12 | S 4 | E 12 | — | — |
| kJ | 2 | 4 | — | — | — | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 12 | 3 | 11 | 11 | 1 | 11 | — | — |
Wind waves Height (m) Direction Period (s) | — | SSE 2 | S 3 | SSW 3 | SSW 3 | — | SW 3 | — | — | — | SSE 3 | S 3 | SSW 2 | SSW 2 | SSW 2 | — | — | NNE 3 | — | N 3 | N 4 |
| kJ | — | 1 | 2 | 1 | 1 | — | 1 | — | — | — | 3 | 1 | 1 | 1 | 1 | — | — | 1 | — | 1 | 9 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 888 | 1198 | 1198 | 515 | 81 | 174 | 52 | 54 | 52 | 832 | 888 | 94 | 131 | 85 | 57 | 57 | 208 | 174 | 174 | 515 | 131 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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