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 4 am Saturday 13 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
22.7° C
(Which is 1.8°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 9AM is: 1.3m 11s primary swell from a East direction and 0.5m 6s secondary swell from a South direction (forecast issued at 04:00am December 13). The wind direction is predicted to be offshore and the swell rating is 2.
| Time (AEDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 4.5ft (1.3m) | 11s |
| Afternoon (13 Dec) | 4ft (1.2m) | 10s |
| Evening (13 Dec) | 3.5ft (1.0m) | 10s |
Table - waves today at Flat Rock. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||||||||||||
| 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) (?) | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 6 | 8 | 8 | 8 | 8 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 476 | 403 | 396 | 326 | 313 | 255 | 218 | 214 | 209 | 102 | 201 | 141 | 135 | 132 | 132 | 103 | 101 | 90 | 100 | 63 | 61 | 61 | 63 | 184 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | off | off | glass | cross- on | cross- on | cross- on | cross | cross | cross- off | cross | cross- off | cross | cross- on | cross | cross | cross- off | cross- off | glass | cross | cross | cross | cross | cross |
High Tide / height (m) | 4:25AM 0.98 | 3:55PM 1.06 | 5:22AM 1.07 | 4:48PM 1.00 | 6:11AM 1.18 | 5:40PM 0.96 | ||||||||||||||||||
Low Tide / height (m) | 9:54AM 0.50 | 10:33PM 0.24 | 11:09AM 0.52 | 11:12PM 0.24 | 12:17PM 0.52 | |||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||||||||||||
| Sunrise | - | - | 5:39 | - | - | - | - | - | - | - | 5:39 | - | - | - | - | - | - | - | 5:41 | - | - | - | - | - |
| Sunset | - | - | - | - | - | 7:37 | - | - | - | - | - | - | - | 7:37 | - | - | - | - | - | - | - | 7:38 | - | - |
 | |  |  | | |  |  | | |  | |  | | | | | | | | | |  |  | |
Rain (mm) | 2 | 1 | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | 1 |
| Temp. °C | 20 | 19 | 19 | 23 | 24 | 25 | 23 | 23 | 22 | 21 | 23 | 23 | 25 | 25 | 25 | 24 | 22 | 21 | 23 | 25 | 24 | 24 | 23 | 23 |
| Feels °C (?) | 22 | 20 | 19 | 25 | 23 | 23 | 21 | 21 | 21 | 20 | 23 | 24 | 27 | 24 | 24 | 23 | 23 | 23 | 26 | 25 | 23 | 23 | 22 | 22 |
- 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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