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:
D'Estrees Bay surfForecast / SA – Kangaroo Island / Australia
48hr Weather and Surf, issued 3 am Friday 12 Dec 2025 ACDTForecast update in hr min s Forecast update imminent
D'Estrees Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's D'Estrees Bay sea temperature is
17.4° C
(Which is slightly warmer than usual)How big are the waves at D'Estrees Bay today?
The current surf forecast for D'Estrees Bay at 11AM is: 1.5m 13s primary swell from a South-southwest direction and 0.8m 6s secondary swell from a Southeast direction (forecast issued at 03:30am December 12). The wind direction is predicted to be cross-shore.
| Time (ACDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | 5ft (1.5m) | 13s |
| Afternoon (12 Dec) | 4.5ft (1.3m) | 13s |
| Evening (12 Dec) | 5.5ft (1.7m) | 12s |
Table - waves today at D'Estrees Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 12 | Saturday 13 | Sunday 14 | ||||||||||||||||||||||
| 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 | 7 PM | 10 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 16 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 824 | 837 | 824 | 734 | 640 | 587 | 569 | 884 | 458 | 458 | 377 | 996 | 969 | 837 | 824 | 799 | 657 | 1167 | 1315 | 1522 | 2249 | 6068 | 5461 | 5122 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | cross- on | cross | cross- on | cross- on | cross | cross | cross- on | cross- on | cross- on | cross- on | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross- on |
High Tide / height (m) | 3:39AM 0.91 | 3:28PM 0.60 | 3:43AM 0.81 | 2:56AM 0.73 | ||||||||||||||||||||
Low Tide / height (m) | 10:25AM 0.43 | 8:45PM 0.43 | 11:14AM 0.43 | 1:20PM 0.42 | ||||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | ||||||||||||||||||||||
| Sunrise | - | - | 5:56 | - | - | - | - | - | - | - | 5:56 | - | - | - | - | - | - | - | 5:56 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 8:29 | - | - | - | - | - | - | - | 8:30 | - | - | - | - | - | - | - | 8:30 | - |
 |  |  |  |  | | | |  | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 17 | 20 | 27 | 30 | 25 | 20 | 17 | 16 | 15 | 15 | 16 | 16 | 16 | 15 | 14 | 14 | 14 | 15 | 16 | 15 | 14 | 13 | 13 |
| Feels °C (?) | 15 | 16 | 19 | 24 | 27 | 23 | 18 | 13 | 13 | 10 | 11 | 12 | 12 | 12 | 11 | 10 | 10 | 10 | 10 | 11 | 9 | 8 | 7 | 8 |
- 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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