
Surf Forecasts:
How big are the waves at Green Harbor today (04 Oct):
- Afternoon surf: Afternoon surf (04 Oct, local time) - 1ft (0.3m), 9s period with E swell.
- Evening surf: Evening surf (04 Oct, local time) - 2.5ft (0.7m), 5s period with E swell.
The current surf forecast for Green Harbor at 11PM is: 0.7m 5s primary swell from a East direction and 0.3m 9s secondary swell from a East direction (forecast issued at 07:00pm October 04). The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Oct) | - | - |
| Afternoon (04 Oct) | 1ft (0.3m) | 9s |
| Evening (04 Oct) | 2.5ft (0.7m) | 5s |
Table - waves today at Green Harbor. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Sun night. Very mild (max 19°C on Mon afternoon, min 6°C on Tue morning). Winds decreasing (fresh winds from the WNW on Mon night, light winds from the WSW by Tue night). | |||||||||||||||||||
Sun 4 | Monday 5 | Tuesday 6 | |||||||||||||||||
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 5 | E 5 | E 5 | E 6 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 |
Wave Graph | |||||||||||||||||||
24 | 25 | 27 | 41 | 73 | 85 | 94 | 76 | 76 | 74 | 57 | 42 | 43 | 30 | 20 | 19 | 18 | 10 | 10 | |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross |
High Tide | 6:26PM3.02m | 7:12AM2.62m | 7:34PM3.01m | 8:18AM2.72m | 8:40PM3.03m | ||||||||||||||
Low Tide | 00:53AM0.08m | 1:12PM0.34m | 1:58AM0.07m | 2:19PM0.26m | |||||||||||||||
— | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | |
6:19 | — | — | — | — | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:15 | — | — | |
mm | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 14 | 14 | 13 | 12 | 17 | 19 | 18 | 15 | 12 | 10 | 8 | 6 | 9 | 14 | 15 | 13 | 11 |
Feels °C | 13 | 12 | 13 | 13 | 11 | 10 | 14 | 13 | 11 | 7 | 6 | 4 | 0 | -2 | 2 | 7 | 9 | 8 | 6 |
Swell 1 Height (m) Direction Period (s) | E 5 | E 5 | E 5 | E 6 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | N 6 | E 8 | N 5 | ENE 8 | NNW 4 | E 8 | E 8 |
24 | 25 | 27 | 41 | 73 | 85 | 94 | 76 | 76 | 74 | 57 | 42 | 21 | 30 | 11 | 19 | 6 | 10 | 10 | |
Swell 2 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | — | — | — | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | E 8 | S 6 | ENE 8 | SW 4 | E 8 | S 6 | E 8 |
14 | 13 | 13 | — | — | — | 1 | 1 | 3 | 3 | 3 | 1 | 43 | 1 | 20 | 1 | 18 | 1 | 1 | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | S 6 | — | — | S 6 | SW 4 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | 1 | 1 | — | — | |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | WNW 2 | WNW 3 | WNW 3 | NW 4 | NNW 5 | WNW 3 | NNW 5 | WNW 4 | NNW 4 | WNW 2 | NW 4 | NNW 4 |
— | — | — | — | — | — | — | 1 | 6 | 6 | 11 | 19 | 6 | 28 | 5 | 13 | 1 | 8 | 7 | |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 276 | 276 | 85 | 81 | 15 | 2 | 1 | 56 | 9 | 94 | 94 | 43 | 91 | 43 | 1698 | 1700 | 1710 | 574 | 1225 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)










