Surf Forecasts:
How big are the waves at Green Harbor today (22 Oct):
- Morning surf: Morning surf (22 Oct, local time) - 8ft (2.5m), 9s period with NE swell.
- Afternoon surf: Afternoon surf (22 Oct, local time) - 6.5ft (2.0m), 9s period with ENE swell.
- Evening surf: Evening surf (22 Oct, local time) - 8ft (2.4m), 8s period with NE swell.
The current surf forecast for Green Harbor at 3AM is: 2.5m 9s primary swell from a East-northeast direction and 0.1m 12s secondary swell from a Southeast direction (forecast issued at 07:00pm October 21). An open ocean swell of 0.1m 10s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Oct) | 8ft (2.5m) | 9s |
| Afternoon (22 Oct) | 6.5ft (2.0m) | 9s |
| Evening (22 Oct) | 8ft (2.4m) | 8s |
Table - waves today at Green Harbor. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Thu morning. Very mild (max 13°C on Thu afternoon, min 7°C on Fri morning). Winds decreasing (strong winds from the N on Thu morning, calm by Sat afternoon). | |||||||||||||||||||
Wed 21 | Thursday 22 | Friday 23 | |||||||||||||||||
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) | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | NE 9 | NE 8 | ENE 9 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 |
Wave Graph  | |||||||||||||||||||
 kJ | 999 | 1010 | 1021 | 1093 | 1056 | 1011 | 1034 | 576 | 828 | 702 | 979 | 1019 | 1044 | 1024 | 1034 | 881 | 699 | 612 | 675 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off |
High Tide | 8:31PM2.61m | 9:02AM2.56m | 9:21PM2.68m | 9:46AM2.72m | 10:08PM2.75m | ||||||||||||||
Low Tide | 2:15PM0.58m | 2:45AM0.40m | 3:06PM0.44m | 3:31AM0.33m | 3:54PM0.27m | ||||||||||||||
 |  | | | |  |  | |  |  |  | | | | | | | | | |
 | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:03 | — | — | — | — | — | — |
 | 5:52 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:49 | — | — |
mm | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 12 | 13 | 13 | 11 | 10 | 8 | 8 | 7 | 8 | 9 | 10 | 10 |
Feels °C | 2 | 3 | 2 | 3 | 3 | 2 | 2 | 3 | 5 | 4 | 2 | 0 | -1 | -1 | -1 | 1 | 2 | 4 | 5 |
Swell 1 Height (m) Direction Period (s) | SSE 12 | SSE 12 | S 11 | S 10 | S 10 | S 10 | E 9 | ENE 9 | S 10 | SSE 10 | — | — | — | — | — | — | — | — | NE 9 |
| kJ | 13 | 13 | 2 | 2 | 2 | 2 | 635 | 576 | 8 | 10 | — | — | — | — | — | — | — | — | 492 |
Swell 2 Height (m) Direction Period (s) | — | — | S 11 | SE 12 | — | SE 9 | S 10 | — | ESE 10 | ESE 10 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 9 | 6 | — | 3 | 2 | — | 10 | 9 | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | NE 9 | NE 8 | NNE 6 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 |
| kJ | 999 | 1010 | 1021 | 1093 | 1056 | 1011 | 1034 | 230 | 828 | 702 | 979 | 1019 | 1044 | 1024 | 1034 | 881 | 699 | 612 | 675 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 504 | 501 | 500 | 959 | 529 | 455 | 500 | 125 | 55 | 106 | 108 | 501 | 275 | 55 | 276 | 106 | 0 | 0 | 0 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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