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:
Treachery Head surfForecast / NSW – Port Macquarie / Australia
48hr Weather and Surf, issued 4 pm Saturday 20 Dec 2025 AEDTForecast update in hr min s Forecast update imminent
Treachery Head surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Treachery Head sea temperature is
23.4° C
(Which is normal for this time of year)How big are the waves at Treachery Head today?
The current surf forecast for Treachery Head at 11PM is: 1.3m 7s primary swell from a Northeast direction and 0.1m 10s secondary swell from a East direction, 0.1m 9s secondary swell from a South direction (forecast issued at 04:00pm December 20). The wind direction is predicted to be cross-offshore.
| Time (AEDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Dec) | - | - |
| Afternoon (20 Dec) | 2.5ft (0.7m) | 7s |
| Evening (20 Dec) | 3.5ft (1.1m) | 6s |
Table - waves today at Treachery Head. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | |||||||||||||||||||||
| 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 | 8 AM | 11 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 7 | 7 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 11 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 47 | 67 | 94 | 140 | 153 | 305 | 293 | 99 | 122 | 213 | 336 | 324 | 330 | 336 | 314 | 249 | 449 | 180 | 434 | 128 | 96 | 154 | 493 | 382 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- off | cross- off | cross- off | cross- off | cross- off | glass | cross- off | off | cross- off | cross- off | cross- off | off | cross- off | cross | cross- on | cross- on |
High Tide / height (m) | 9:36PM 1.02 | 9:40AM 1.65 | 10:14PM 1.02 | 10:17AM 1.65 | 10:54PM 1.02 | 10:53AM 1.63 | ||||||||||||||||||
Low Tide / height (m) | 3:52PM 0.21 | 3:00AM 0.33 | 4:30PM 0.19 | 3:38AM 0.33 | 5:08PM 0.19 | 4:16AM 0.35 | ||||||||||||||||||
Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:39 | - | - | - | - | - | - | - | 5:39 | - |
| Sunset | - | 7:54 | - | - | - | - | - | - | - | 7:55 | - | - | - | - | - | - | - | 7:55 | - | - | - | - | - | - |
 |  |  | |  |  |  | | | | | | | | | |  | |  |  |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 3 | 1 | 1 | 1 | - | - | - |
| Temp. °C | 23 | 24 | 24 | 24 | 23 | 22 | 24 | 25 | 25 | 26 | 27 | 26 | 25 | 24 | 25 | 28 | 28 | 25 | 24 | 23 | 22 | 21 | 21 | 21 |
| Feels °C (?) | 24 | 23 | 22 | 22 | 22 | 22 | 25 | 26 | 24 | 23 | 23 | 24 | 27 | 27 | 25 | 28 | 28 | 27 | 23 | 24 | 22 | 18 | 20 | 21 |
- 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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