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:
Cyclops surfForecast / WA – Far South / Australia
48hr Weather and Surf, issued 7 pm Saturday 13 Dec 2025 AWSTForecast update in hr min s Forecast update imminent
Cyclops surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Cyclops sea temperature is
19.1° C
(Which is 1.4°C warmer than normal for this time of year)How big are the waves at Cyclops today?
The current surf forecast for Cyclops at 10PM is: 1.2m 12s primary swell from a Southwest direction and 0.1m 8s secondary swell from a South direction (forecast issued at 07:00pm December 13). An open ocean swell of 0.4m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | - | - |
| Afternoon (13 Dec) | 4ft (1.2m) | 12s |
| Evening (13 Dec) | 4ft (1.2m) | 12s |
Table - waves today at Cyclops. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| 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 | 8 AM | 11 AM | 2 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 16 | 16 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 400 | 400 | 400 | 421 | 429 | 500 | 666 | 1204 | 1285 | 1144 | 968 | 757 | 628 | 469 | 446 | 385 | 306 | 301 | 234 | 167 | 147 | 146 | 196 | 204 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | cross- off | cross- off | cross- off | off | off | off | off | off | off | cross- off |
High Tide / height (m) | 9:08PM 0.56 | 8:46PM 0.64 | 9:58AM 0.29 | 8:55PM 0.72 | 10:17AM 0.29 | |||||||||||||||||||
Low Tide / height (m) | 6:32AM 0.29 | 5:20AM 0.24 | 12:03PM 0.28 | 5:08AM 0.18 | 1:03PM 0.27 | |||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 4:28 | - | - | - | - | - | - | - | 4:30 | - | - | - | - | - | - | - | 4:30 | - | - | - |
| Sunset | 6:52 | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:53 | - | - | - | - | - | - | - |
 |  | | | | | | | | | | | | | | |  |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 16 | 16 | 15 | 15 | 17 | 19 | 20 | 19 | 16 | 16 | 15 | 15 | 21 | 25 | 25 | 22 | 18 | 18 | 19 | 19 | 28 | 35 | 31 |
| Feels °C (?) | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 11 | 11 | 11 | 12 | 17 | 20 | 18 | 17 | 13 | 13 | 15 | 15 | 24 | 31 | 26 |
- 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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