Nazare Big Wave Challenge Gets Yellow Alert, Could Run Saturday in Giant Waves
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Surf Forecasts:
Flat Rock surfForecast / NSW – North Coast / Australia
48hr Weather and Surf, issued 10 am 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
22.2° 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 5PM is: 0.9m 9s primary swell from a East-northeast direction and 0.3m 14s secondary swell from a East direction (forecast issued at 10:00am December 11). The wind direction is predicted to be onshore.
| Time (AEDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | 3ft (0.9m) | 9s |
| Afternoon (11 Dec) | 3ft (0.9m) | 9s |
| Evening (11 Dec) | 3ft (0.9m) | 8s |
Table - waves today at Flat Rock. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 11 | Friday 12 | Saturday 13 | Sun 14 | |||||||||||||||||||||
| 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) (?) | 9 | 9 | 9 | 9 | 8 | 8 | 12 | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 137 | 137 | 137 | 134 | 127 | 118 | 239 | 633 | 620 | 625 | 614 | 594 | 573 | 482 | 476 | 467 | 396 | 326 | 311 | 249 | 208 | 204 | 102 | 96 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | on | on | on | on | cross- on | glass | glass | glass | cross | cross- on | cross- on | on | cross- off | cross- off | off | glass | cross- on | cross- on | cross- on | cross | cross | cross- off |
High Tide / height (m) | 2:11PM 1.29 | 3:19AM 0.91 | 3:02PM 1.16 | 4:25AM 0.98 | 3:55PM 1.06 | |||||||||||||||||||
Low Tide / height (m) | 7:39AM 0.38 | 9:07PM 0.22 | 8:43AM 0.45 | 9:52PM 0.23 | 9:54AM 0.50 | 10:33PM 0.24 | ||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | Sun 14 | |||||||||||||||||||||
| Sunrise | 5:39 | - | - | - | - | - | - | - | 5:39 | - | - | - | - | - | - | - | 5:39 | - | - | - | - | - | - | - |
| Sunset | - | - | - | 7:36 | - | - | - | - | - | - | - | 7:37 | - | - | - | - | - | - | - | 7:37 | - | - | - | - |
 |  | | |  |  |  | |  |  | | |  | | |  | | |  | |  | | | | |
Rain (mm) | - | - | - | - | - | - | 2 | 2 | 1 | 2 | 4 | 3 | 6 | 6 | 2 | 1 | - | - | - | - | - | - | - | - |
| Temp. °C | 22 | 24 | 24 | 24 | 23 | 23 | 22 | 21 | 21 | 22 | 21 | 21 | 20 | 20 | 20 | 19 | 20 | 23 | 24 | 24 | 23 | 23 | 22 | 21 |
| Feels °C (?) | 23 | 24 | 24 | 23 | 23 | 24 | 23 | 23 | 24 | 24 | 22 | 22 | 21 | 22 | 21 | 20 | 22 | 25 | 23 | 22 | 20 | 22 | 22 | 21 |
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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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