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:
Backsides surfForecast / NSW – North Coast / Australia
48hr Weather and Surf, issued 10 am Thursday 18 Dec 2025 AEDTForecast update in hr min s Forecast update imminent
Backsides surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Backsides sea temperature is
24.2° C
(Which is slightly cooler than normal)How big are the waves at Backsides today?
The current surf forecast for Backsides at 2PM is: 1.1m 8s primary swell from a East direction and 0.6m 11s secondary swell from a South direction (forecast issued at 10:00am December 18). The wind direction is predicted to be onshore.
| Time (AEDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Dec) | 3.5ft (1.1m) | 8s |
| Afternoon (18 Dec) | 3.5ft (1.1m) | 8s |
| Evening (18 Dec) | 3.5ft (1.1m) | 8s |
Table - waves today at Backsides. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 18 | Friday 19 | Saturday 20 | Sun 21 | |||||||||||||||||||||
| 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) (?) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 5 | 6 | 6 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 138 | 138 | 137 | 137 | 141 | 142 | 142 | 142 | 114 | 93 | 72 | 55 | 55 | 54 | 59 | 66 | 49 | 64 | 149 | 160 | 133 | 155 | 179 | 159 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | cross- on | cross- on | cross | cross | cross- off | cross | cross | cross- on | cross- on | cross | cross | cross | cross | cross | cross | cross- on | cross | cross | cross | cross | cross |
High Tide / height (m) | 8:11AM 1.50 | 8:04PM 0.95 | 8:48AM 1.57 | 8:48PM 0.95 | 9:24AM 1.62 | 9:31PM 0.94 | ||||||||||||||||||
Low Tide / height (m) | 2:50PM 0.44 | 1:47AM 0.25 | 3:32PM 0.40 | 2:26AM 0.26 | 4:13PM 0.35 | 3:04AM 0.27 | ||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sun 21 | |||||||||||||||||||||
| Sunrise | 5:41 | - | - | - | - | - | - | - | 5:41 | - | - | - | - | - | - | - | 5:43 | - | - | - | - | - | - | - |
| Sunset | - | - | - | 7:40 | - | - | - | - | - | - | - | 7:40 | - | - | - | - | - | - | - | 7:42 | - | - | - | - |
 |  | | |  | | | | | | | | | | | | | | | |  | | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 22 | 23 | 23 | 22 | 21 | 20 | 19 | 18 | 20 | 24 | 26 | 26 | 23 | 22 | 21 | 21 | 23 | 28 | 29 | 27 | 25 | 24 | 23 | 22 |
| Feels °C (?) | 22 | 22 | 22 | 21 | 19 | 18 | 18 | 17 | 19 | 22 | 23 | 23 | 20 | 19 | 20 | 19 | 21 | 26 | 27 | 24 | 23 | 23 | 21 | 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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FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Backsides 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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