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 4 am Monday 15 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
22.2° C
(Which is normal for this time of year)How big are the waves at Banzai today?
The current surf forecast for Banzai at 8AM is: 1.6m 7s primary swell from a South-southeast direction and 0.8m 7s secondary swell from a East direction (forecast issued at 04:00am December 15). The wind direction is predicted to be cross-onshore.
| Time (AEDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Dec) | 5ft (1.6m) | 7s |
| Afternoon (15 Dec) | 5.5ft (1.7m) | 9s |
| Evening (15 Dec) | 5ft (1.6m) | 8s |
Table - waves today at Banzai. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 15 | Tuesday 16 | Wednesday 17 | ||||||||||||||||||||||
| 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 | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 6 | 6 | 7 | 9 | 9 | 9 | 8 | 8 | 7 | 11 | 10 | 10 | 10 | 10 | 10 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 115 | 181 | 254 | 639 | 516 | 388 | 365 | 361 | 210 | 457 | 489 | 394 | 402 | 340 | 181 | 416 | 400 | 330 | 319 | 255 | 250 | 196 | 149 | 146 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- on | cross- on | on | on | cross- on | cross- on | on | on | cross- on | on | on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 5:53AM 1.36 | 6:01PM 1.00 | 6:33AM 1.42 | 6:53PM 0.99 | 7:11AM 1.48 | 7:40PM 0.99 | ||||||||||||||||||
Low Tide / height (m) | 11:07PM 0.37 | 12:28PM 0.46 | 11:47PM 0.39 | 1:16PM 0.39 | 12:28AM 0.39 | 1:58PM 0.32 | ||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | ||||||||||||||||||||||
| Sunrise | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:39 | - | - | - | - | - |
| Sunset | - | - | - | - | - | 7:59 | - | - | - | - | - | - | - | 7:59 | - | - | - | - | - | - | - | - | 8:00 | - |
 | |  | |  | | | | |  | | | | | | | | |  | |  | | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | 1 | 1 | - | - | - | - | - |
| Temp. °C | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 17 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 19 |
| Feels °C (?) | 16 | 17 | 19 | 18 | 17 | 16 | 15 | 15 | 16 | 14 | 16 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 19 | 18 | 18 | 17 | 17 | 17 |
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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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