Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Green Island surfForecast / NSW – South Coast / Australia
48hr Weather and Surf, issued 10 am Wednesday 31 Dec 2025 AEDTForecast update in hr min s Forecast update imminent
Green Island surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Green Island sea temperature is
20.8° C
(Which is normal for this time of year)How big are the waves at Green Island today?
The current surf forecast for Green Island at 5PM is: 1.9m 13s primary swell from a East-southeast direction and 0.7m 7s secondary swell from a South-southeast direction (forecast issued at 10:00am December 31). An open ocean swell of 0.1m 12s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (AEDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Dec) | 4.5ft (1.3m) | 9s |
| Afternoon (31 Dec) | 6ft (1.9m) | 13s |
| Evening (31 Dec) | 7ft (2.1m) | 13s |
Table - waves today at Green Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 31 | Thursday 01 | Friday 02 | Sat 03 | |||||||||||||||||||||
| 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 | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 9 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 222 | 447 | 1217 | 1180 | 1365 | 1266 | 1266 | 1103 | 1011 | 953 | 645 | 634 | 548 | 469 | 437 | 454 | 346 | 270 | 167 | 136 | 133 | 131 | 99 | 122 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | on | cross- on | on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on | on | on | glass | glass | glass | cross- on | cross- on | cross- on | cross | cross- off | cross- off | cross- off |
High Tide / height (m) | 5:58AM 1.53 | 6:40PM 1.06 | 6:53AM 1.63 | 7:45PM 1.07 | 7:47AM 1.71 | 8:44PM 1.09 | ||||||||||||||||||
Low Tide / height (m) | 12:46PM 0.20 | 12:15AM 0.31 | 1:47PM 0.09 | 1:12AM 0.31 | 2:43PM 0.01 | 2:06AM 0.30 | ||||||||||||||||||
Wednesday 31 | Thursday 01 | Friday 02 | Sat 03 | |||||||||||||||||||||
| Sunrise | 5:45 | - | - | - | - | - | - | - | 5:46 | - | - | - | - | - | - | - | 5:46 | - | - | - | - | - | - | - |
| Sunset | - | - | - | - | 8:15 | - | - | - | - | - | - | - | 8:15 | - | - | - | - | - | - | - | 8:15 | - | - | - |
 |  | |  |  |  | | | | | |  | |  |  | | | | | | | | | | |
Rain (mm) | - | - | - | 2 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 22 | 22 | 18 | 17 | 17 | 17 | 16 | 16 | 19 | 19 | 19 | 18 | 17 | 17 | 17 | 18 | 19 | 20 | 20 | 18 | 17 | 17 | 17 |
| Feels °C (?) | 17 | 21 | 21 | 16 | 17 | 16 | 14 | 14 | 14 | 15 | 15 | 16 | 16 | 16 | 16 | 17 | 18 | 17 | 17 | 18 | 17 | 17 | 17 | 17 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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