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 9 pm Sunday 14 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
17.1° C
(Which is slightly warmer than usual)How big are the waves at Hanson Bay today?
The current surf forecast for Hanson Bay at 1AM is: 4.0m 14s primary swell from a Southwest direction (forecast issued at 09:30pm December 14). The wind direction is predicted to be onshore.
| Time (ACDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Dec) | 11ft (3.5m) | 13s |
| Afternoon (15 Dec) | 10ft (3.0m) | 12s |
| Evening (15 Dec) | 7.5ft (2.3m) | 12s |
Table - waves today at Hanson Bay. (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) (?) | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 7401 | 6837 | 5705 | 4863 | 4176 | 3736 | 3226 | 2816 | 2529 | 1476 | 1189 | 928 | 792 | 644 | 524 | 533 | 458 | 418 | 400 | 349 | 284 | 235 | 192 | 147 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross- on | cross- on | cross- on | cross- off | cross- off | cross- off | cross- off | glass | on | on |
High Tide / height (m) | 12:34AM 0.58 | 12:51AM 0.68 | 1:16AM 0.77 | 12:55PM 0.23 | ||||||||||||||||||||
Low Tide / height (m) | 3:45PM 0.19 | 4:42PM 0.17 | 9:35AM 0.20 | |||||||||||||||||||||
Sun 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:58 | - | - | - | - | - | - | - | 6:00 | - | - | - | - | - | - | - | 6:00 | - | - | - |
| Sunset | 8:34 | - | - | - | - | - | - | - | 8:34 | - | - | - | - | - | - | - | 8:35 | - | - | - | - | - | - | - |
 |  | | | | | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 14 | 13 | 12 | 12 | 12 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 17 | 18 | 19 | 18 | 15 | 14 | 15 | 19 | 26 | 25 | 24 |
| Feels °C (?) | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 9 | 9 | 9 | 9 | 13 | 14 | 16 | 15 | 13 | 12 | 13 | 17 | 24 | 22 | 21 |
- 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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