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 – Newcastle / Australia
48hr Weather and Surf, issued 4 pm Friday 12 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 normal for this time of year)How big are the waves at Flat Rock today?
The current surf forecast for Flat Rock at 11PM is: 1.0m 11s primary swell from a East direction and 0.7m 6s secondary swell from a East direction (forecast issued at 04:00pm December 12). The wind direction is predicted to be cross-onshore.
| Time (AEDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | - | - |
| Afternoon (12 Dec) | 3.5ft (1.0m) | 12s |
| Evening (12 Dec) | 3.5ft (1.0m) | 12s |
Table - waves today at Flat Rock. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| 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) (?) | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 7 | 7 | 6 | 7 | 7 | 7 | 8 | 8 | 7 | 7 | 7 | 5 | 7 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 278 | 273 | 264 | 250 | 244 | 410 | 191 | 188 | 146 | 135 | 128 | 213 | 110 | 120 | 108 | 133 | 140 | 262 | 315 | 124 | 97 | 39 | 41 | 40 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross | cross- off | off | glass | on | cross- on | cross | cross- off | cross- off | off | cross- off | off | cross- on | cross- on | cross- on | cross | cross | cross- on | cross- on | cross- on |
High Tide / height (m) | 3:00PM 1.34 | 4:18AM 1.27 | 3:57PM 1.23 | 5:09AM 1.33 | 4:55PM 1.15 | 5:55AM 1.40 | ||||||||||||||||||
Low Tide / height (m) | 9:43PM 0.43 | 10:10AM 0.69 | 10:26PM 0.46 | 11:20AM 0.66 | 11:07PM 0.47 | |||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 | - |
| Sunset | - | 7:53 | - | - | - | - | - | - | - | 7:54 | - | - | - | - | - | - | - | 7:55 | - | - | - | - | - | - |
 |  |  |  | | |  |  | | |  | | |  | | | | |  | | | |  | | |
Rain (mm) | 6 | 5 | 3 | - | - | - | - | - | - | - | - | 3 | 1 | 1 | - | - | - | - | - | - | - | 1 | - | - |
| Temp. °C | 21 | 19 | 19 | 19 | 19 | 18 | 17 | 21 | 22 | 23 | 23 | 20 | 19 | 19 | 21 | 27 | 27 | 27 | 24 | 21 | 19 | 18 | 19 | 19 |
| Feels °C (?) | 20 | 18 | 17 | 20 | 20 | 19 | 18 | 22 | 21 | 20 | 22 | 20 | 20 | 20 | 22 | 27 | 27 | 25 | 24 | 16 | 14 | 14 | 17 | 17 |
- 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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