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:
Corvisart Bay surfForecast / SA – Eyre Peninsula / Australia
48hr Weather and Surf, issued 9 pm Thursday 11 Dec 2025 ACDTForecast update in hr min s Forecast update imminent
Corvisart Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Corvisart Bay sea temperature is
20.5° C
(Which is 2.5°C warmer than normal for this time of year)How big are the waves at Corvisart Bay today?
The current surf forecast for Corvisart Bay at 3AM is: 0.6m 13s primary swell from a Southwest direction and 0.4m 6s secondary swell from a South-southwest direction (forecast issued at 09:30pm December 11). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (ACDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | 2ft (0.6m) | 13s |
| Afternoon (12 Dec) | 2.5ft (0.8m) | 13s |
| Evening (12 Dec) | 4.5ft (1.3m) | 6s |
Table - waves today at Corvisart Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thu 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 6 | 12 | 5 | 12 | 12 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 108 | 85 | 111 | 113 | 116 | 114 | 83 | 239 | 341 | 100 | 379 | 78 | 267 | 271 | 356 | 402 | 361 | 294 | 276 | 244 | 244 | 244 | 187 | 230 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- on | cross- on | on | cross- on | cross- on | cross | cross- off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide / height (m) | 4:46AM 1.23 | 5:14PM 0.93 | 4:54AM 1.07 | 10:57PM 0.99 | ||||||||||||||||||||
Low Tide / height (m) | 10:08PM 0.68 | 12:08PM 0.71 | 10:39PM 0.83 | 1:07PM 0.75 | 2:49PM 0.76 | |||||||||||||||||||
Thu 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 6:18 | - | - | - | - | - | - | - | 6:18 | - | - | - | - | - | - | - | 6:18 | - | - | - |
| Sunset | 8:34 | - | - | - | - | - | - | - | 8:35 | - | - | - | - | - | - | - | 8:35 | - | - | - | - | - | - | - |
 |  |  | |  | |  | | |  | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 32 | 31 | 29 | 28 | 23 | 21 | 21 | 20 | 18 | 17 | 17 | 17 | 16 | 18 | 19 | 18 | 17 | 16 | 16 | 15 | 16 | 17 | 18 | 17 |
| Feels °C (?) | 28 | 24 | 22 | 24 | 20 | 18 | 19 | 16 | 13 | 11 | 12 | 12 | 11 | 13 | 13 | 12 | 11 | 11 | 12 | 11 | 13 | 13 | 14 | 12 |
- 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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