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:
Gnarabup surfForecast / WA – Margaret River / Australia
48hr Weather and Surf, issued 7 pm Saturday 13 Dec 2025 AWSTForecast update in hr min s Forecast update imminent
Gnarabup surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Gnarabup sea temperature is
20.1° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Gnarabup today?
The current surf forecast for Gnarabup at 10PM is: 1.4m 11s primary swell from a Southwest direction and 0.5m 14s secondary swell from a West-southwest direction (forecast issued at 07:00pm December 13). An open ocean swell of 1.7m 6s 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) | 5ft (1.5m) | 11s |
| Evening (13 Dec) | 4.5ft (1.4m) | 11s |
Table - waves today at Gnarabup. (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) (?) | 11 | 11 | 11 | 11 | 11 | 11 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 534 | 431 | 382 | 431 | 479 | 311 | 444 | 623 | 649 | 773 | 683 | 672 | 661 | 537 | 492 | 344 | 330 | 441 | 499 | 468 | 568 | 1016 | 1142 | 496 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- off | cross- off | cross- off | cross- off | off | glass | on | cross | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- off | cross | cross | on | on | on | on |
High Tide / height (m) | 7:26PM 0.55 | 7:08PM 0.61 | 7:16PM 0.66 | |||||||||||||||||||||
Low Tide / height (m) | 4:28AM 0.25 | 4:37AM 0.19 | 4:54AM 0.15 | |||||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 5:01 | - | - | - | - | - | - | - | 5:01 | - | - | - | - | - | - | - | 5:03 | - | - |
| Sunset | 7:24 | - | - | - | - | - | - | - | 7:25 | - | - | - | - | - | - | - | 7:25 | - | - | - | - | - | - | - |
 |  | | | | | |  |  |  | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 21 | 18 | 19 | 19 | 18 | 24 | 31 | 29 | 27 | 29 | 24 | 23 | 24 | 27 | 27 | 25 | 22 | 20 | 20 | 19 | 19 | 20 | 20 | 20 |
| Feels °C (?) | 16 | 13 | 14 | 14 | 13 | 21 | 30 | 26 | 24 | 28 | 23 | 23 | 23 | 26 | 24 | 24 | 23 | 21 | 20 | 20 | 20 | 20 | 21 | 19 |
- 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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