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:
Secret Harbour surfForecast / WA – Perth City / Australia
48hr Weather and Surf, issued 7 pm Thursday 18 Dec 2025 AWSTForecast update in hr min s Forecast update imminent
Secret Harbour surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Secret Harbour sea temperature is
23.0° C
(Which is 2.6°C warmer than normal for this time of year)How big are the waves at Secret Harbour today?
The current surf forecast for Secret Harbour at 1AM is: 1.3m 8s primary swell from a Southwest direction and 0.2m 17s secondary swell from a West direction (forecast issued at 07:00pm December 18). An open ocean swell of 0.6m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Dec) | 2.5ft (0.8m) | 11s |
| Afternoon (19 Dec) | 3ft (0.9m) | 11s |
| Evening (19 Dec) | 7ft (2.1m) | 6s |
Table - waves today at Secret Harbour. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | |||||||||||||||||||||
| 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 | 2 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 8 | 9 | 11 | 11 | 11 | 11 | 5 | 6 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 9 | 13 | 13 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 855 | 260 | 306 | 262 | 233 | 172 | 119 | 194 | 130 | 292 | 380 | 353 | 277 | 326 | 405 | 547 | 708 | 649 | 412 | 356 | 689 | 649 | 649 | 606 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- off | cross- off | cross- off | cross- off | cross- off | on | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- off | cross- off | cross- off | cross- off | cross- off | cross- on | cross- on |
High Tide / height (m) | 7:59PM 0.87 | 8:29PM 0.90 | 8:59PM 0.93 | |||||||||||||||||||||
Low Tide / height (m) | 5:27AM 0.13 | 5:53AM 0.13 | 6:24AM 0.15 | |||||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 5:05 | - | - | - | - | - | - | - | 5:05 | - | - | - | - | - | - | - | 5:05 | - | - |
| Sunset | 7:21 | - | - | - | - | - | - | - | 7:22 | - | - | - | - | - | - | - | 7:22 | - | - | - | - | - | - | - |
 |  | | | | | |  | | | | |  | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 24 | 26 | 20 | 18 | 17 | 20 | 24 | 22 | 20 | 21 | 18 | 15 | 14 | 17 | 21 | 21 | 22 | 25 | 18 | 14 | 13 | 16 | 22 | 19 |
| Feels °C (?) | 19 | 22 | 14 | 13 | 13 | 17 | 21 | 17 | 14 | 15 | 12 | 10 | 10 | 13 | 15 | 12 | 13 | 18 | 11 | 8 | 8 | 11 | 19 | 12 |
- 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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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Secret Harbour surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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