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:
Hanson Bay surfForecast / SA – Kangaroo Island / Australia
48hr Weather and Surf, issued 3 pm Friday 12 Dec 2025 ACDTForecast update in hr min s Forecast update imminent
Hanson Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Hanson Bay sea temperature is
17.0° C
(Which is slightly warmer than usual)How big are the waves at Hanson Bay today?
The current surf forecast for Hanson Bay at 5PM is: 1.6m 13s primary swell from a Southwest direction and 0.3m 9s secondary swell from a South direction, 0.8m 6s secondary swell from a Southeast direction (forecast issued at 03:30pm December 12). The wind direction is predicted to be onshore.
| Time (ACDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | - | - |
| Afternoon (12 Dec) | 5ft (1.6m) | 13s |
| Evening (12 Dec) | 5ft (1.6m) | 12s |
Table - waves today at Hanson Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| 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) (?) | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 13 | 14 | 14 | 14 | 14 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 961 | 784 | 736 | 712 | 657 | 724 | 748 | 1463 | 1408 | 1242 | 1223 | 1003 | 925 | 850 | 772 | 1934 | 4304 | 7216 | 8022 | 7216 | 6124 | 5081 | 4374 | 3922 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | on | cross- on | cross- on | on | on | on | cross- on | cross- on | cross- on | cross | cross- on | cross- on | cross- on | on | on | on | on | on | on | on | on |
High Tide / height (m) | 7:28PM 0.35 | 5:35AM 0.52 | 2:30AM 0.48 | 12:34AM 0.58 | ||||||||||||||||||||
Low Tide / height (m) | 10:00PM 0.34 | 1:58PM 0.23 | 2:46PM 0.21 | |||||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 5:58 | - | - | - | - | - | - | - | 5:58 | - | - | - | - | - | - | - | 5:58 | - |
| Sunset | - | - | 8:31 | - | - | - | - | - | - | - | 8:32 | - | - | - | - | - | - | - | 8:34 | - | - | - | - | - |
 |  | |  |  | | | | | | | | |  | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 23 | 21 | 17 | 15 | 15 | 14 | 14 | 16 | 16 | 16 | 15 | 14 | 14 | 14 | 15 | 15 | 15 | 14 | 13 | 12 | 12 | 12 | 12 | 13 |
| Feels °C (?) | 21 | 19 | 14 | 12 | 12 | 10 | 11 | 13 | 13 | 13 | 12 | 11 | 11 | 10 | 11 | 10 | 10 | 9 | 8 | 7 | 8 | 8 | 8 | 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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