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:
Marley surfForecast / NSW – Illawarra / Australia
48hr Weather and Surf, issued 4 am Wednesday 17 Dec 2025 AEDTForecast update in hr min s Forecast update imminent
Marley surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Marley sea temperature is
22.4° C
(Which is slightly warmer than usual)How big are the waves at Marley today?
The current surf forecast for Marley at 12PM is: 1.0m 11s primary swell from a South direction and 0.4m 8s secondary swell from a East direction, 0.8m 4s secondary swell from a Northeast direction (forecast issued at 04:00am December 17). The wind direction is predicted to be cross-shore.
| Time (AEDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Dec) | 3.5ft (1.1m) | 11s |
| Afternoon (17 Dec) | 3ft (0.9m) | 11s |
| Evening (17 Dec) | 2.5ft (0.8m) | 11s |
Table - waves today at Marley. (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 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 6 | 6 | 10 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 454 | 380 | 314 | 303 | 242 | 189 | 146 | 112 | 112 | 102 | 76 | 75 | 110 | 155 | 244 | 251 | 353 | 223 | 183 | 160 | 142 | 119 | 108 | 147 |
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 | cross- off | cross- off | glass | glass | on | cross- on | off |
High Tide / height (m) | 7:13AM 1.56 | 7:31PM 1.10 | 7:51AM 1.62 | 8:17PM 1.10 | 8:29AM 1.67 | 9:03PM 1.10 | ||||||||||||||||||
Low Tide / height (m) | 12:24AM 0.47 | 1:53PM 0.48 | 1:03AM 0.46 | 2:37PM 0.41 | 1:43AM 0.45 | 3:18PM 0.35 | ||||||||||||||||||
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 | 20 | 24 | 26 | 25 | 24 | 23 | 22 | 22 | 24 | 30 | 26 | 25 | 22 | 22 |
| Feels °C (?) | 18 | 18 | 18 | 19 | 18 | 17 | 17 | 16 | 18 | 17 | 19 | 23 | 23 | 22 | 22 | 23 | 23 | 22 | 25 | 31 | 28 | 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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