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:
Rapid Bay surfForecast / SA – Adelaide / Australia
48hr Weather and Surf, issued 3 pm Saturday 13 Dec 2025 ACDTForecast update in hr min s Forecast update imminent
Rapid Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Rapid Bay sea temperature is
18.4° C
(Which is 1.3°C warmer than normal for this time of year)How big are the waves at Rapid Bay today?
The current surf forecast for Rapid Bay at 10PM is: 0.6m 4s primary swell from a Southwest direction (forecast issued at 03:30pm December 13). An open ocean swell of 0.1m 13s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (ACDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | - | - |
| Afternoon (13 Dec) | 2.5ft (0.7m) | 4s |
| Evening (13 Dec) | 2ft (0.6m) | 4s |
Table - waves today at Rapid Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| 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 | 1 AM | 4 AM | 7 AM | 10 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 4 | 4 | 4 | 5 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 13 | 13 | 9 | 10 | 11 | 15 | 24 | 28 | 16 | 14 | 20 | 14 | 8 | 8 | 9 | 9 | 9 | 4 | 6 | 6 | 6 | 4 | 1 | 1 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross- on | cross- on | on | cross- on | cross- on | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off |
High Tide / height (m) | 11:14PM 1.16 | 8:50AM 1.01 | 1:22AM 1.29 | 1:02PM 0.85 | 2:35AM 1.43 | |||||||||||||||||||
Low Tide / height (m) | 3:42PM 0.64 | 5:27AM 0.98 | 4:31PM 0.71 | 10:30AM 0.83 | 6:10PM 0.76 | |||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 5:54 | - | - | - | - | - | - | - | 5:54 | - | - | - | - | - | - | - | 5:56 | - |
| Sunset | - | - | 8:25 | - | - | - | - | - | - | - | 8:27 | - | - | - | - | - | - | - | 8:28 | - | - | - | - | - |
 | | |  | | |  | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 18 | 16 | 14 | 13 | 14 | 14 | 17 | 17 | 16 | 14 | 13 | 12 | 12 | 13 | 14 | 15 | 14 | 13 | 12 | 12 | 12 | 13 | 16 |
| Feels °C (?) | 13 | 13 | 12 | 11 | 10 | 10 | 10 | 12 | 11 | 10 | 8 | 8 | 7 | 8 | 9 | 9 | 9 | 8 | 7 | 6 | 7 | 8 | 9 | 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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