Nazare Big Wave Challenge Gets Yellow Alert, Could Run Saturday in Giant Waves
70-foot plus waves predicted for Portuguese big wave tow surfing competition.
Surf Forecasts:
Cronulla surfForecast / NSW – Sydney South Coast / Australia
48hr Weather and Surf, issued 4 am Wednesday 17 Dec 2025 AEDTForecast update in hr min s Forecast update imminent
Cronulla surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Cronulla sea temperature is
22.4° C
(Which is slightly warmer than usual)How big are the waves at Cronulla today?
The current surf forecast for Cronulla at 8AM is: 1.0m 11s primary swell from a South direction and 0.4m 8s secondary swell from a East direction, 0.4m 4s secondary swell from a Northeast direction (forecast issued at 04:00am December 17). The wind direction is predicted to be cross-offshore.
| Time (AEDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Dec) | 3.5ft (1.0m) | 11s |
| Afternoon (17 Dec) | 3ft (0.9m) | 11s |
| Evening (17 Dec) | 2.5ft (0.7m) | 11s |
Table - waves today at Cronulla. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 17 | Thursday 18 | Friday 19 | ||||||||||||||||||||||
| 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) (?) | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 389 | 314 | 250 | 242 | 192 | 149 | 146 | 110 | 81 | 79 | 96 | 75 | 68 | 101 | 150 | 341 | 353 | 169 | 134 | 104 | 101 | 84 | 89 | 136 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- off | cross- off | cross | off | cross | glass | cross- on | on | cross- on | off |
High Tide / height (m) | 7:14AM 1.46 | 7:48PM 1.00 | 7:51AM 1.51 | 8:31PM 1.01 | 8:29AM 1.55 | 9:12PM 1.02 | ||||||||||||||||||
Low Tide / height (m) | 12:34AM 0.41 | 2:02PM 0.31 | 1:14AM 0.42 | 2:42PM 0.26 | 1:54AM 0.41 | 3:20PM 0.22 | ||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | ||||||||||||||||||||||
| Sunrise | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:39 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 8:02 | - | - | - | - | - | - | - | 8:04 | - | - | - | - | - | - | - | 8:04 | - |
 | |  |  | | | |  | | | | | | | | | | | | | |  |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 2 | - |
| Temp. °C | 19 | 19 | 19 | 21 | 22 | 21 | 20 | 19 | 19 | 18 | 19 | 24 | 27 | 25 | 24 | 24 | 22 | 22 | 24 | 32 | 26 | 25 | 22 | 22 |
| Feels °C (?) | 18 | 18 | 18 | 19 | 18 | 17 | 17 | 16 | 18 | 17 | 18 | 23 | 25 | 22 | 21 | 25 | 22 | 22 | 24 | 33 | 27 | 24 | 22 | 24 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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