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 am Thursday 11 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
19.9° C
(Which is 1.7°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 1PM is: 1.7m 12s primary swell from a South-southwest direction and 0.2m 8s secondary swell from a South direction, 0.7m 4s secondary swell from a South-southeast direction (forecast issued at 07:00am December 11). The wind direction is predicted to be cross-onshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | 5.5ft (1.7m) | 12s |
| Afternoon (11 Dec) | 5.5ft (1.7m) | 12s |
| Evening (11 Dec) | 5.5ft (1.7m) | 12s |
Table - waves today at Mandalay Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 11 | Friday 12 | Saturday 13 | Sun 14 | |||||||||||||||||||||
| 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 | 2 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1060 | 835 | 795 | 795 | 795 | 864 | 864 | 864 | 1154 | 1173 | 925 | 819 | 805 | 666 | 655 | 731 | 633 | 633 | 524 | 515 | 488 | 431 | 382 | 382 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross | cross |
High Tide / height (m) | 10:47PM 0.54 | 10:00PM 0.53 | 9:00PM 0.55 | |||||||||||||||||||||
Low Tide / height (m) | 1:58PM 0.21 | 1:52PM 0.29 | 6:23AM 0.31 | |||||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | Sun 14 | |||||||||||||||||||||
| Sunrise | 4:54 | - | - | - | - | - | - | - | 4:54 | - | - | - | - | - | - | - | 4:54 | - | - | - | - | - | - | - |
| Sunset | - | - | - | - | 7:21 | - | - | - | - | - | - | - | 7:22 | - | - | - | - | - | - | - | 7:22 | - | - | - |
 | |  | | |  |  | |  | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 14 | 17 | 20 | 19 | 18 | 16 | 16 | 15 | 15 | 17 | 19 | 20 | 19 | 16 | 15 | 14 | 13 | 17 | 21 | 22 | 20 | 18 | 16 | 15 |
| Feels °C (?) | 13 | 16 | 18 | 16 | 14 | 12 | 13 | 12 | 13 | 13 | 15 | 15 | 14 | 12 | 12 | 12 | 11 | 15 | 17 | 17 | 15 | 14 | 11 | 11 |
- 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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