Nazare Big Wave Challenge Gets Yellow Alert, Could Run Saturday in Giant Waves
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Surf Forecasts:
Alkimos surfForecast / WA – Perth City / Australia
48hr Weather and Surf, issued 7 pm Saturday 13 Dec 2025 AWSTForecast update in hr min s Forecast update imminent
Alkimos surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Alkimos sea temperature is
21.7° C
(Which is 1.3°C warmer than normal for this time of year)How big are the waves at Alkimos today?
The current surf forecast for Alkimos at 11PM is: 0.9m 11s primary swell from a West-southwest direction and 1.0m 7s secondary swell from a Southwest direction (forecast issued at 07:00pm December 13). An open ocean swell of 0.5m 3s 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) | 3.5ft (1.0m) | 12s |
| Evening (13 Dec) | 3.5ft (1.0m) | 11s |
Table - waves today at Alkimos. (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) (?) | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 11 | 16 | 16 | 16 | 15 | 15 | 15 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 275 | 261 | 193 | 382 | 303 | 273 | 207 | 190 | 149 | 219 | 227 | 243 | 243 | 243 | 243 | 239 | 189 | 173 | 229 | 288 | 270 | 283 | 522 | 522 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross- off | off | cross- off | off | off | off | cross- off | off | off | off | cross- off | cross- off | cross- on | cross- on | glass | on | cross- on | cross- on | cross- on | cross- on | on | cross- on |
High Tide / height (m) | 6:09PM 0.49 | 5:53AM 0.22 | 6:21PM 0.55 | 6:42PM 0.60 | ||||||||||||||||||||
Low Tide / height (m) | 4:36AM 0.22 | 7:05AM 0.22 | 4:16AM 0.17 | 4:28AM 0.12 | ||||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 5:05 | - | - | - | - | - | - | - | 5:05 | - | - | - | - | - | - | - | 5:05 | - | - |
| Sunset | 7:15 | - | - | - | - | - | - | - | 7:16 | - | - | - | - | - | - | - | 7:16 | - | - | - | - | - | - | - |
 |  | | | |  | |  |  |  | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | 1 | 5 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 29 | 30 | 31 | 28 | 25 | 28 | 35 | 33 | 27 | 25 | 26 | 27 | 27 | 30 | 31 | 26 | 27 | 23 | 22 | 21 | 21 | 22 | 24 | 24 |
| Feels °C (?) | 26 | 26 | 25 | 23 | 20 | 22 | 32 | 32 | 24 | 21 | 21 | 24 | 25 | 28 | 30 | 24 | 28 | 24 | 23 | 23 | 22 | 23 | 24 | 24 |
- 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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