Surf Forecasts:
How big are the waves at Green Harbor today (04 Sep):
- Morning surf: Morning surf (04 Sep, local time) - 1.5ft (0.5m), 7s period with E swell.
- Afternoon surf: Afternoon surf (04 Sep, local time) - 1.5ft (0.5m), 7s period with E swell.
- Evening surf: Evening surf (04 Sep, local time) - 1.5ft (0.5m), 7s period with E swell.
The current surf forecast for Green Harbor at 3AM is: 0.5m 6s primary swell from a East direction and 0.2m 9s secondary swell from a East direction (forecast issued at 07:00pm September 03). The wind direction is predicted to be glassy.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Sep) | 1.5ft (0.5m) | 7s |
| Afternoon (04 Sep) | 1.5ft (0.5m) | 7s |
| Evening (04 Sep) | 1.5ft (0.5m) | 7s |
Table - waves today at Green Harbor. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 23°C on Fri afternoon, min 16°C on Sun morning). Wind will be generally light. | |||||||||||||||||||
Thu 3 | Friday 4 | Saturday 5 | |||||||||||||||||
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) | ESE 5 | ESE 6 | E 6 | E 6 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | NE 6 | ENE 6 |
Wave Graph  | |||||||||||||||||||
 kJ | 9 | 10 | 18 | 19 | 19 | 21 | 21 | 22 | 23 | 22 | 21 | 21 | 22 | 23 | 15 | 23 | 33 | 0 | 126 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | glassy | glassy | glassy | glassy | off | cross | cross-off | cross | cross | cross-off | cross-off | cross-off | off | off | off | off |
High Tide | 4:34PM3.05m | 5:13AM2.61m | 5:34PM3.03m | 6:17AM2.54m | 6:39PM3.02m | ||||||||||||||
Low Tide | 11:01PM0.05m | 11:14AM0.33m | 00:03AM0.09m | 12:17PM0.37m | |||||||||||||||
 |  |  | | |  | | | | |  | | | | | | | | | |
 | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | 7:13 | — | — | — | — | — | — | — | 7:10 | — | — | — | — | — | — | — | 7:09 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 20 | 20 | 19 | 18 | 18 | 22 | 23 | 22 | 21 | 21 | 20 | 18 | 18 | 19 | 19 | 18 | 17 | 18 |
Feels °C | 24 | 22 | 22 | 21 | 20 | 20 | 24 | 23 | 22 | 22 | 20 | 18 | 16 | 16 | 16 | 16 | 16 | 14 | 14 |
Swell 1 Height (m) Direction Period (s) | ESE 5 | ESE 6 | E 6 | E 6 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | S 6 | S 6 |
| kJ | 7 | 10 | 18 | 19 | 19 | 21 | 21 | 22 | 23 | 22 | 21 | 21 | 22 | 23 | 15 | 23 | 33 | 1 | 1 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | S 4 | S 4 | S 4 | — | — | — | — | — | SW 4 | — | S 7 | S 6 | S 6 | — | — |
| kJ | 6 | 6 | 6 | 6 | 1 | 2 | 2 | — | — | — | — | — | 1 | — | 1 | 1 | 1 | — | — |
Swell 3 Height (m) Direction Period (s) | NE 4 | — | — | E 8 | E 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 7 | S 7 | — | — | — | — | — | — |
| kJ | 1 | — | — | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 4 | SSW 4 | — | — | — | — | — | — | — | — | — | NNW 3 | N 3 | NNE 3 | NE 4 | NE 5 | NE 5 | NE 6 | ENE 6 |
| kJ | 9 | 3 | — | — | — | — | — | — | — | — | — | 1 | 1 | 3 | 28 | 42 | 36 | 83 | 126 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 58 | 57 | 54 | 81 | 81 | 85 | 6 | 43 | 515 | 43 | 85 | 85 | 94 | 131 | 529 | 2642 | 2661 | 94 | 0 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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