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 pm Thursday 11 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 1.1°C warmer than normal for this time of year)How big are the waves at Banzai today?
The current surf forecast for Banzai at 6PM is: 1.4m 6s primary swell from a South-southeast direction and 0.5m 9s secondary swell from a East-northeast direction, 0.2m 15s secondary swell from a East direction (forecast issued at 04:00pm December 11). The wind direction is predicted to be cross-onshore.
| Time (AEDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | - | - |
| Afternoon (11 Dec) | 5ft (1.5m) | 6s |
| Evening (11 Dec) | 4.5ft (1.4m) | 6s |
Table - waves today at Banzai. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| 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 | 8 AM | 11 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 6 | 6 | 6 | 6 | 6 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 6 | 6 | 7 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 171 | 154 | 122 | 128 | 102 | 110 | 145 | 184 | 278 | 273 | 325 | 303 | 357 | 467 | 459 | 451 | 184 | 143 | 126 | 139 | 126 | 111 | 117 | 131 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on | on | cross- on | cross- on | cross- on | glass | glass | cross- on | on | cross- on | cross- on | glass | cross- off | off | cross- off | cross- on |
High Tide / height (m) | 2:02PM 1.35 | 3:25AM 1.15 | 3:01PM 1.21 | 4:21AM 1.21 | 4:02PM 1.10 | 5:10AM 1.29 | ||||||||||||||||||
Low Tide / height (m) | 8:54PM 0.24 | 9:05AM 0.58 | 9:40PM 0.30 | 10:22AM 0.58 | 10:25PM 0.34 | |||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 | - |
| Sunset | - | 7:55 | - | - | - | - | - | - | - | 7:57 | - | - | - | - | - | - | - | 7:57 | - | - | - | - | - | - |
 | |  |  | | | |  | | |  |  | | |  |  | | | |  | |  | | | |
Rain (mm) | - | - | - | 1 | 1 | 1 | - | 4 | 4 | 3 | 2 | - | - | - | - | - | - | - | - | 2 | - | - | - | - |
| Temp. °C | 20 | 20 | 20 | 20 | 19 | 19 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 21 | 21 | 21 | 20 | 19 | 19 | 20 | 26 |
| Feels °C (?) | 16 | 17 | 18 | 18 | 18 | 19 | 21 | 19 | 17 | 19 | 19 | 20 | 20 | 21 | 21 | 21 | 19 | 19 | 19 | 22 | 20 | 20 | 21 | 27 |
- 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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