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:
Flat Rock surfForecast / NSW – North Coast / Australia
48hr Weather and Surf, issued 10 pm Thursday 11 Dec 2025 AEDTForecast update in hr min s Forecast update imminent
Flat Rock surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Flat Rock sea temperature is
22.4° C
(Which is 2.1°C colder than average for this time of year)How big are the waves at Flat Rock today?
The current surf forecast for Flat Rock at 1AM is: 0.8m 12s primary swell from a East direction and 0.9m 8s secondary swell from a East-northeast direction (forecast issued at 10:00pm December 11). The wind direction is predicted to be onshore.
| Time (AEDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | 4.5ft (1.4m) | 12s |
| Afternoon (12 Dec) | 5ft (1.5m) | 12s |
| Evening (12 Dec) | 4.5ft (1.4m) | 11s |
Table - waves today at Flat Rock. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thu 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| 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) (?) | 8 | 8 | 12 | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 127 | 118 | 239 | 633 | 620 | 625 | 614 | 596 | 502 | 485 | 476 | 403 | 396 | 326 | 313 | 249 | 244 | 204 | 200 | 209 | 201 | 144 | 138 | 135 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | on | on | on | on | on | cross- on | cross- off | off | cross- off | off | glass | cross- on | cross- on | cross- on | cross | cross | cross- off | cross- off | glass | glass | cross |
High Tide / height (m) | 3:19AM 0.91 | 3:02PM 1.16 | 4:25AM 0.98 | 3:55PM 1.06 | 5:22AM 1.07 | 4:48PM 1.00 | ||||||||||||||||||
Low Tide / height (m) | 9:07PM 0.22 | 8:43AM 0.45 | 9:52PM 0.23 | 9:54AM 0.50 | 10:33PM 0.24 | 11:09AM 0.52 | ||||||||||||||||||
Thu 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:39 | - | - | - | - | - | - | - | 5:39 | - | - | - | - | - | - | - | 5:39 | - | - | - |
| Sunset | - | - | - | - | - | - | - | 7:37 | - | - | - | - | - | - | - | 7:37 | - | - | - | - | - | - | - | 7:37 |
 |  |  |  |  |  |  |  | | | | |  | |  | | | | | | | |  | | |
Rain (mm) | - | - | 1 | 2 | 1 | 1 | - | 1 | 4 | 5 | 1 | - | - | - | - | - | - | - | - | - | - | - | 8 | 2 |
| Temp. °C | 23 | 23 | 22 | 21 | 23 | 23 | 24 | 23 | 21 | 19 | 19 | 18 | 19 | 23 | 24 | 24 | 23 | 23 | 22 | 21 | 22 | 22 | 20 | 23 |
| Feels °C (?) | 23 | 24 | 24 | 22 | 24 | 23 | 24 | 24 | 22 | 20 | 20 | 18 | 20 | 25 | 23 | 21 | 21 | 21 | 21 | 21 | 22 | 25 | 23 | 24 |
- 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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