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70-foot plus waves predicted for Portuguese big wave tow surfing competition.
Surf Forecasts:
Rivoli Bay surfForecast / SA – East Coast / Australia
48hr Weather and Surf, issued 3 pm Thursday 11 Dec 2025 ACDTForecast update in hr min s Forecast update imminent
Rivoli Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Rivoli Bay sea temperature is
17.2° C
(Which is 1.3°C warmer than normal for this time of year)How big are the waves at Rivoli Bay today?
The current surf forecast for Rivoli Bay at 11PM is: 1.7m 13s primary swell from a Southwest direction and 0.2m 10s secondary swell from a South direction, 1.0m 6s secondary swell from a South-southeast direction (forecast issued at 03:30pm December 11). The wind direction is predicted to be cross-onshore.
| Time (ACDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | - | - |
| Afternoon (11 Dec) | 6ft (1.8m) | 12s |
| Evening (11 Dec) | 5.5ft (1.7m) | 13s |
Table - waves today at Rivoli Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| 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) (?) | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 16 | 15 | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1039 | 860 | 874 | 932 | 878 | 892 | 905 | 821 | 821 | 809 | 659 | 555 | 528 | 528 | 489 | 1034 | 1644 | 1668 | 892 | 892 | 721 | 603 | 1415 | 1830 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | cross- on | cross- on | cross | cross- off | cross- off | off | cross- on | on | on | on | on | on | cross- on | on | on | cross- on | cross- on | cross | cross | cross | cross- on | cross- on |
High Tide / height (m) | 2:52PM 0.45 | 4:25AM 0.67 | 4:19PM 0.43 | 4:34AM 0.61 | 4:12AM 0.55 | |||||||||||||||||||
Low Tide / height (m) | 9:01PM 0.21 | 11:29AM 0.33 | 9:24PM 0.33 | 12:15PM 0.29 | ||||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 5:41 | - | - | - | - | - | - | - | 5:41 | - | - | - | - | - | - | - | 5:41 | - |
| Sunset | - | - | 8:22 | - | - | - | - | - | - | - | 8:23 | - | - | - | - | - | - | - | 8:24 | - | - | - | - | - |
 | | |  | |  |  | |  | | |  | | | | | | | | | |  | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 17 | 17 | 17 | 15 | 16 | 17 | 26 | 24 | 21 | 19 | 16 | 15 | 14 | 14 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 15 | 14 |
| Feels °C (?) | 9 | 8 | 10 | 12 | 11 | 11 | 12 | 21 | 19 | 18 | 16 | 12 | 12 | 8 | 8 | 10 | 9 | 9 | 8 | 9 | 8 | 8 | 9 | 7 |
- 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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