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:
Y-Steps surfForecast / SA – Adelaide / Australia
48hr Weather and Surf, issued 9 pm Sunday 14 Dec 2025 ACDTForecast update in hr min s Forecast update imminent
Y-Steps surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Y-Steps sea temperature is
19.6° C
(Which is 2.2°C warmer than normal for this time of year)How big are the waves at Y-Steps today?
The current surf forecast for Y-Steps at 4AM is: 0.3m 5s primary swell from a West-southwest direction and 0.1m 8s secondary swell from a Southwest direction, 0.4m 3s secondary swell from a South direction (forecast issued at 09:30pm December 14). The wind direction is predicted to be cross-shore.
| Time (ACDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Dec) | 0.5ft (0.2m) | 7s |
| Afternoon (15 Dec) | 1.5ft (0.5m) | 3s |
| Evening (15 Dec) | 0.5ft (0.2m) | 7s |
Table - waves today at Y-Steps. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sun 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||||||||||
| 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) (?) | 5 | 5 | 5 | 5 | 7 | 7 | 7 | 3 | 4 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 14 | 32 | 8 | 5 | 5 | 5 | 5 | 8 | 10 | 5 | 5 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | off | on | cross- on | cross | cross- off | cross- off | off | glass | cross | on | cross- on |
High Tide / height (m) | 1:03AM 1.45 | 1:02PM 1.03 | 2:36AM 1.64 | 3:35PM 1.08 | 3:33AM 1.82 | |||||||||||||||||||
Low Tide / height (m) | 4:46PM 0.77 | 8:58AM 0.96 | 6:44PM 0.84 | 10:09AM 0.76 | 8:25PM 0.84 | 10:51AM 0.58 | ||||||||||||||||||
Sun 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:54 | - | - | - | - | - | - | - | 5:56 | - | - | - | - | - | - | - | 5:56 | - | - | - |
| Sunset | 8:24 | - | - | - | - | - | - | - | 8:24 | - | - | - | - | - | - | - | 8:25 | - | - | - | - | - | - | - |
 |  | | | | | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 15 | 13 | 12 | 11 | 12 | 16 | 18 | 17 | 14 | 12 | 12 | 12 | 12 | 19 | 22 | 23 | 24 | 18 | 19 | 20 | 22 | 25 | 28 | 30 |
| Feels °C (?) | 9 | 8 | 8 | 7 | 8 | 12 | 12 | 10 | 8 | 7 | 7 | 8 | 8 | 16 | 19 | 19 | 20 | 15 | 16 | 18 | 20 | 22 | 24 | 25 |
- 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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