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:
Trial Harbour surfForecast / TAS – West Coast / Australia
48hr Weather and Surf, issued 10 pm Monday 15 Dec 2025 AEDTForecast update in hr min s Forecast update imminent
Trial Harbour surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Trial Harbour sea temperature is
14.8° C
(Which is slightly warmer than usual)How big are the waves at Trial Harbour today?
The current surf forecast for Trial Harbour at 5AM is: 3.0m 12s primary swell from a South-southwest direction and 2.5m 12s secondary swell from a West-southwest direction (forecast issued at 10:00pm December 15). The wind direction is predicted to be onshore.
| Time (AEDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | 8ft (2.4m) | 12s |
| Afternoon (16 Dec) | 7ft (2.2m) | 11s |
| Evening (16 Dec) | 6ft (1.9m) | 11s |
Table - waves today at Trial Harbour. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Mon 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| 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 | 2 PM | 5 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 4298 | 3381 | 2828 | 2083 | 1723 | 1440 | 1162 | 1008 | 904 | 807 | 1044 | 900 | 730 | 626 | 622 | 622 | 685 | 777 | 814 | 814 | 846 | 732 | 685 | 1575 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | on | on | on | on | on | on | glass | glass | cross- off | cross- off | cross | cross- on | on | on | cross- on | cross- off | glass | glass | glass | cross- off | glass | off |
High Tide / height (m) | 1:06AM 0.57 | 1:00AM 0.64 | 1:18AM 0.69 | |||||||||||||||||||||
Low Tide / height (m) | 3:12PM 0.18 | 3:57PM 0.15 | 4:42PM 0.13 | |||||||||||||||||||||
Mon 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 | - | - | - |
| Sunset | 8:50 | - | - | - | - | - | - | - | 8:50 | - | - | - | - | - | - | - | 8:51 | - | - | - | - | - | - | - |
 |  | | |  | |  | | |  | | | | | | | | | |  | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 11 | 11 | 11 | 11 | 11 | 13 | 13 | 13 | 12 | 10 | 9 | 10 | 13 | 18 | 18 | 18 | 16 | 14 | 13 | 12 | 15 | 18 | 23 | 23 |
| Feels °C (?) | 6 | 7 | 8 | 8 | 9 | 10 | 10 | 11 | 11 | 9 | 6 | 7 | 11 | 14 | 15 | 16 | 14 | 12 | 11 | 10 | 13 | 15 | 22 | 21 |
- 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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