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:
Cowries surfForecast / NSW – Illawarra / Australia
48hr Weather and Surf, issued 4 am Sunday 21 Dec 2025 AEDTForecast update in hr min s Forecast update imminent
Cowries surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Cowries sea temperature is
22.3° C
(Which is slightly warmer than usual)How big are the waves at Cowries today?
The current surf forecast for Cowries at 10AM is: 0.8m 7s primary swell from a East-northeast direction and 0.4m 5s secondary swell from a South direction (forecast issued at 04:00am December 21). The wind direction is predicted to be glassy.
| Time (AEDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Dec) | 2.5ft (0.8m) | 7s |
| Afternoon (21 Dec) | 2.5ft (0.8m) | 7s |
| Evening (21 Dec) | 2.5ft (0.8m) | 7s |
Table - waves today at Cowries. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 21 | Monday 22 | Tuesday 23 | ||||||||||||||||||||||
| 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) (?) | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 10 | 8 | 8 | 8 | 7 | 8 | 7 | 6 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 49 | 57 | 62 | 64 | 64 | 64 | 66 | 65 | 129 | 206 | 221 | 242 | 236 | 192 | 141 | 472 | 313 | 149 | 86 | 64 | 116 | 34 | 212 | 772 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | glass | glass | on | cross- on | cross | off | cross- off | cross- on | cross | off | cross- off | cross- off | cross- on | cross- on | on | cross- on | cross | cross | glass | cross- on | cross | cross | cross |
High Tide / height (m) | 9:40AM 1.55 | 10:28PM 1.00 | 10:18AM 1.54 | 11:09PM 1.01 | 10:56AM 1.52 | |||||||||||||||||||
Low Tide / height (m) | 3:07AM 0.40 | 4:34PM 0.18 | 3:45AM 0.41 | 5:12PM 0.17 | 4:25AM 0.42 | 5:50PM 0.17 | ||||||||||||||||||
Sunday 21 | Monday 22 | Tuesday 23 | ||||||||||||||||||||||
| Sunrise | - | - | 5:39 | - | - | - | - | - | - | - | 5:39 | - | - | - | - | - | - | - | 5:39 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 8:07 | - | - | - | - | - | - | - | 8:07 | - | - | - | - | - | - | - | 8:08 | - |
 |  |  | |  | | | |  |  |  | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 21 | 20 | 22 | 25 | 26 | 24 | 23 | 24 | 24 | 24 | 25 | 28 | 30 | 22 | 19 | 19 | 18 | 17 | 20 | 25 | 27 | 21 | 18 | 18 |
| Feels °C (?) | 23 | 22 | 25 | 28 | 27 | 27 | 25 | 25 | 26 | 26 | 24 | 24 | 28 | 19 | 18 | 19 | 18 | 17 | 20 | 25 | 26 | 17 | 15 | 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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