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:
Mandalay Beach surfForecast / WA – Far South / Australia
48hr Weather and Surf, issued 7 pm Sunday 14 Dec 2025 AWSTForecast update in hr min s Forecast update imminent
Mandalay Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Mandalay Beach sea temperature is
20.2° C
(Which is 1.8°C warmer than normal for this time of year)How big are the waves at Mandalay Beach today?
The current surf forecast for Mandalay Beach at 2AM is: 1.4m 12s primary swell from a South-southwest direction and 0.8m 7s secondary swell from a East-southeast direction, 1.7m 7s secondary swell from a East direction (forecast issued at 07:00pm December 14). The wind direction is predicted to be cross-offshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Dec) | 4.5ft (1.3m) | 12s |
| Afternoon (15 Dec) | 4ft (1.2m) | 11s |
| Evening (15 Dec) | 3ft (0.9m) | 16s |
Table - waves today at Mandalay Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||||||||||
| 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) (?) | 13 | 13 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 799 | 763 | 616 | 536 | 527 | 449 | 379 | 352 | 300 | 371 | 358 | 398 | 429 | 833 | 899 | 482 | 418 | 424 | 418 | 536 | 573 | 747 | 801 | 905 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- off | cross- off | cross- off | cross- off | cross- off | on | on | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross- on | cross- on | cross- on | on | glass | cross- off | cross- off | cross | cross | cross- on |
High Tide / height (m) | 8:29PM 0.61 | 8:29PM 0.67 | 8:44PM 0.73 | |||||||||||||||||||||
Low Tide / height (m) | 5:42AM 0.19 | 5:51AM 0.15 | 6:07AM 0.11 | |||||||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 4:54 | - | - | - | - | - | - | - | 4:54 | - | - | - | - | - | - | - | 4:56 | - | - | - |
| Sunset | 7:22 | - | - | - | - | - | - | - | 7:23 | - | - | - | - | - | - | - | 7:23 | - | - | - | - | - | - | - |
 |  |  |  | | | | | | | | | | |  | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 28 | 27 | 24 | 24 | 21 | 27 | 31 | 30 | 28 | 22 | 19 | 19 | 18 | 22 | 26 | 23 | 22 | 19 | 19 | 18 | 17 | 20 | 22 | 22 |
| Feels °C (?) | 23 | 24 | 19 | 21 | 19 | 27 | 32 | 31 | 27 | 22 | 20 | 19 | 19 | 23 | 27 | 23 | 22 | 21 | 22 | 18 | 17 | 19 | 19 | 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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