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:
Headlands surfForecast / NSW – Illawarra / Australia
48hr Weather and Surf, issued 10 am Wednesday 17 Dec 2025 AEDTForecast update in hr min s Forecast update imminent
Headlands surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Headlands sea temperature is
22.1° C
(Which is slightly warmer than usual)How big are the waves at Headlands today?
The current surf forecast for Headlands at 3PM is: 0.9m 11s primary swell from a South direction and 0.4m 15s secondary swell from a South direction, 1.3m 5s secondary swell from a Northeast direction (forecast issued at 10:00am December 17). The wind direction is predicted to be onshore.
| Time (AEDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Dec) | 3.5ft (1.1m) | 11s |
| Afternoon (17 Dec) | 3ft (0.9m) | 11s |
| Evening (17 Dec) | 5ft (1.6m) | 6s |
Table - waves today at Headlands. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 17 | Thursday 18 | Friday 19 | Sat 20 | |||||||||||||||||||||
| 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) (?) | 12 | 11 | 11 | 11 | 6 | 6 | 6 | 6 | 6 | 10 | 6 | 6 | 6 | 7 | 7 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 314 | 303 | 242 | 189 | 146 | 146 | 132 | 106 | 112 | 75 | 120 | 224 | 275 | 397 | 381 | 229 | 204 | 160 | 122 | 104 | 75 | 73 | 50 | 49 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- on | on | cross- on | cross- on | cross- on | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- off | cross- off | cross- off | glass | cross- on | glass | cross- off | cross- off | cross- off | cross- off | glass |
High Tide / height (m) | 7:09AM 1.44 | 7:44PM 0.97 | 7:47AM 1.48 | 8:27PM 0.99 | 8:24AM 1.52 | 9:08PM 1.00 | ||||||||||||||||||
Low Tide / height (m) | 1:58PM 0.30 | 1:09AM 0.40 | 2:38PM 0.25 | 1:49AM 0.40 | 3:16PM 0.21 | 2:28AM 0.39 | ||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Sat 20 | |||||||||||||||||||||
| Sunrise | 5:37 | - | - | - | - | - | - | - | 5:39 | - | - | - | - | - | - | - | 5:39 | - | - | - | - | - | - | - |
| Sunset | - | - | - | - | 8:04 | - | - | - | - | - | - | - | 8:05 | - | - | - | - | - | - | - | 8:06 | - | - | - |
 |  | | | |  |  | | | |  | | | | | | | | | |  |  | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 2 | 1 | 1 | 1 |
| Temp. °C | 19 | 23 | 24 | 22 | 19 | 18 | 17 | 17 | 21 | 29 | 30 | 27 | 24 | 24 | 22 | 20 | 23 | 30 | 26 | 26 | 21 | 22 | 22 | 21 |
| Feels °C (?) | 19 | 21 | 21 | 19 | 17 | 17 | 17 | 17 | 21 | 28 | 28 | 26 | 23 | 25 | 22 | 20 | 24 | 32 | 28 | 24 | 21 | 22 | 24 | 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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