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:
Coalcliff surfForecast / NSW – Illawarra / Australia
48hr Weather and Surf, issued 4 am Tuesday 30 Dec 2025 AEDTForecast update in hr min s Forecast update imminent
Coalcliff surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Coalcliff sea temperature is
21.8° C
(Which is normal for this time of year)How big are the waves at Coalcliff today?
The current surf forecast for Coalcliff at 9AM is: 1.2m 8s primary swell from a Southeast direction and 0.7m 8s secondary swell from a South direction (forecast issued at 04:00am December 30). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (AEDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Dec) | 4ft (1.2m) | 8s |
| Afternoon (30 Dec) | 4.5ft (1.3m) | 8s |
| Evening (30 Dec) | 3.5ft (1.1m) | 8s |
Table - waves today at Coalcliff. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 30 | Wednesday 31 | Thursday 01 | ||||||||||||||||||||||
| 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 | 5 PM | 8 PM | 11 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 10 | 9 | 9 | 9 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 159 | 167 | 171 | 224 | 254 | 171 | 175 | 143 | 238 | 228 | 280 | 1103 | 1266 | 1365 | 1420 | 1458 | 1281 | 1189 | 1049 | 1016 | 703 | 569 | 560 | 483 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | glass | cross- on | cross- on | cross- on | cross | off | off | cross- off | glass | on | cross- on | cross- on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on |
High Tide / height (m) | 5:13AM 1.40 | 5:33PM 1.07 | 6:10AM 1.52 | 6:45PM 1.06 | 7:05AM 1.62 | 7:50PM 1.07 | ||||||||||||||||||
Low Tide / height (m) | 11:47AM 0.34 | 11:27PM 0.27 | 12:55PM 0.23 | 12:25AM 0.28 | 1:56PM 0.11 | |||||||||||||||||||
Tuesday 30 | Wednesday 31 | Thursday 01 | ||||||||||||||||||||||
| Sunrise | - | - | 5:45 | - | - | - | - | - | - | - | 5:46 | - | - | - | - | - | - | - | 5:47 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 8:09 | - | - | - | - | - | - | - | 8:09 | - | - | - | - | - | - | - | 8:10 | - |
 | |  | | | | |  | | |  | | | | | |  |  | |  |  | |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | 1 | 1 | - | - | - |
| Temp. °C | 14 | 12 | 15 | 20 | 20 | 20 | 18 | 16 | 16 | 16 | 18 | 20 | 22 | 21 | 20 | 19 | 18 | 18 | 18 | 18 | 19 | 19 | 18 | 17 |
| Feels °C (?) | 14 | 11 | 14 | 18 | 17 | 18 | 17 | 15 | 15 | 15 | 18 | 18 | 21 | 19 | 18 | 18 | 16 | 16 | 15 | 15 | 17 | 15 | 16 | 16 |
- 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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