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:
Banzai surfForecast / NSW – Newcastle / Australia
48hr Weather and Surf, issued 10 am Saturday 13 Dec 2025 AEDTForecast update in hr min s Forecast update imminent
Banzai surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Banzai sea temperature is
22.9° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Banzai today?
The current surf forecast for Banzai at 12PM is: 1.1m 11s primary swell from a East direction and 0.3m 8s secondary swell from a South direction (forecast issued at 10:00am December 13). The wind direction is predicted to be onshore.
| Time (AEDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 4.5ft (1.3m) | 11s |
| Afternoon (13 Dec) | 2.5ft (0.8m) | 11s |
| Evening (13 Dec) | 4.5ft (1.3m) | 7s |
Table - waves today at Banzai. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | Tue 16 | |||||||||||||||||||||
| 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 11 | 7 | 7 | 6 | 7 | 7 | 7 | 8 | 8 | 7 | 7 | 7 | 6 | 6 | 7 | 8 | 9 | 8 | 8 | 7 | 7 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 396 | 389 | 146 | 139 | 166 | 231 | 157 | 135 | 147 | 160 | 173 | 279 | 230 | 132 | 152 | 213 | 254 | 406 | 463 | 354 | 328 | 251 | 230 | 257 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | on | cross- on | cross- on | cross- on | cross- off | cross- off | cross- off | cross | cross- off | on | cross- on | cross- on | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | cross- on |
High Tide / height (m) | 4:02PM 1.10 | 5:10AM 1.29 | 5:03PM 1.03 | 5:53AM 1.36 | 6:01PM 1.00 | |||||||||||||||||||
Low Tide / height (m) | 10:22AM 0.58 | 10:25PM 0.34 | 11:31AM 0.53 | 11:07PM 0.37 | 12:28PM 0.46 | 11:47PM 0.39 | ||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tue 16 | |||||||||||||||||||||
| Sunrise | 5:37 | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - |
| Sunset | - | - | - | 7:57 | - | - | - | - | - | - | - | 7:58 | - | - | - | - | - | - | - | 7:59 | - | - | - | - |
 | | |  |  | |  | |  | | | |  | | | |  | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | 1 | 3 | 4 | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 |
| Temp. °C | 18 | 20 | 21 | 22 | 22 | 21 | 20 | 19 | 19 | 26 | 25 | 25 | 23 | 19 | 18 | 18 | 18 | 19 | 19 | 19 | 18 | 18 | 18 | 18 |
| Feels °C (?) | 19 | 19 | 19 | 20 | 21 | 23 | 18 | 20 | 18 | 27 | 23 | 24 | 24 | 13 | 14 | 15 | 16 | 18 | 17 | 16 | 15 | 15 | 16 | 15 |
- 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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