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:
Southside surfForecast / WA – Margaret River / Australia
48hr Weather and Surf, issued 1 pm Sunday 14 Dec 2025 AWSTForecast update in hr min s Forecast update imminent
Southside surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Southside sea temperature is
20.1° C
(Which is slightly warmer than usual)How big are the waves at Southside today?
The current surf forecast for Southside at 6PM is: 1.5m 13s primary swell from a Southwest direction and 0.8m 10s secondary swell from a West-southwest direction (forecast issued at 01:00pm December 14). An open ocean swell of 0.9m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Dec) | 4ft (1.2m) | 11s |
| Afternoon (14 Dec) | 4.5ft (1.4m) | 13s |
| Evening (14 Dec) | 5ft (1.6m) | 12s |
Table - waves today at Southside. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||||||||||
| 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 | 5 AM | 8 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 444 | 623 | 649 | 773 | 683 | 672 | 661 | 537 | 497 | 344 | 330 | 441 | 499 | 468 | 1045 | 1016 | 561 | 496 | 592 | 592 | 1087 | 1057 | 1127 | 1204 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross | cross- off | cross- off | off | cross- off | cross- off | cross | cross | cross | cross- on | cross | cross | cross- on | on | cross- on | cross- on | cross- on | cross- on | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 7:08PM 0.61 | 7:16PM 0.66 | 7:34PM 0.71 | |||||||||||||||||||||
Low Tide / height (m) | 4:37AM 0.19 | 4:54AM 0.15 | 5:17AM 0.11 | |||||||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 5:01 | - | - | - | - | - | - | - | 5:03 | - | - | - | - | - | - | - | 5:03 |
| Sunset | - | - | 7:25 | - | - | - | - | - | - | - | 7:25 | - | - | - | - | - | - | - | 7:27 | - | - | - | - | - |
 | | |  |  | | | | | |  | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 30 | 26 | 27 | 28 | 26 | 26 | 23 | 26 | 27 | 25 | 21 | 20 | 20 | 20 | 19 | 20 | 20 | 21 | 21 | 19 | 18 | 17 | 17 | 20 |
| Feels °C (?) | 29 | 23 | 24 | 26 | 25 | 24 | 22 | 25 | 25 | 23 | 22 | 21 | 21 | 21 | 19 | 21 | 19 | 20 | 19 | 18 | 17 | 16 | 16 | 18 |
- 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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