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:
Twilight Beach surfForecast / WA – Far South / Australia
48hr Weather and Surf, issued 1 pm Wednesday 17 Dec 2025 AWSTForecast update in hr min s Forecast update imminent
Twilight Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Twilight Beach sea temperature is
19.8° C
(Which is 1.8°C warmer than normal for this time of year)How big are the waves at Twilight Beach today?
The current surf forecast for Twilight Beach at 8PM is: 1.7m 6s primary swell from a Southwest direction and 0.7m 14s secondary swell from a Southwest direction, 0.2m 10s secondary swell from a South-southeast direction (forecast issued at 01:00pm December 17). The wind direction is predicted to be cross-onshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Dec) | 3ft (0.9m) | 14s |
| Afternoon (17 Dec) | 3ft (0.9m) | 14s |
| Evening (17 Dec) | 5.5ft (1.7m) | 6s |
Table - waves today at Twilight Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | |||||||||||||||||||||
| 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) (?) | 14 | 14 | 14 | 6 | 8 | 8 | 9 | 11 | 10 | 10 | 10 | 9 | 9 | 8 | 12 | 12 | 7 | 5 | 5 | 6 | 6 | 11 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 362 | 297 | 253 | 231 | 728 | 640 | 493 | 639 | 661 | 586 | 462 | 383 | 297 | 100 | 123 | 91 | 114 | 95 | 123 | 178 | 139 | 77 | 97 | 319 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross- on | cross- on | cross- on | cross | cross- off | cross- off | cross | cross- on |
High Tide / height (m) | 10:13AM 0.39 | 9:27PM 1.01 | 10:45AM 0.39 | 9:55PM 1.06 | 11:19AM 0.39 | 10:24PM 1.08 | ||||||||||||||||||
Low Tide / height (m) | 1:04PM 0.37 | 5:30AM 0.23 | 1:48PM 0.35 | 5:55AM 0.18 | 2:23PM 0.34 | 6:23AM 0.15 | ||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 4:35 | - | - | - | - | - | - | - | 4:37 | - | - | - | - | - | - | - | 4:37 | - |
| Sunset | - | - | 7:00 | - | - | - | - | - | - | - | 7:00 | - | - | - | - | - | - | - | 7:00 | - | - | - | - | - |
 | | |  |  | |  | | | | | |  | | | | | | | | | |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 21 | 20 | 19 | 17 | 17 | 17 | 17 | 19 | 18 | 18 | 17 | 15 | 15 | 15 | 15 | 16 | 19 | 19 | 18 | 17 | 17 | 17 | 18 | 18 |
| Feels °C (?) | 18 | 17 | 15 | 12 | 13 | 14 | 15 | 16 | 14 | 14 | 13 | 11 | 11 | 11 | 11 | 12 | 14 | 13 | 12 | 11 | 13 | 12 | 16 | 12 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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