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:
Cowries surfForecast / NSW – Illawarra / Australia
48hr Weather and Surf, issued 4 pm Tuesday 16 Dec 2025 AEDTForecast update in hr min s Forecast update imminent
Cowries surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Cowries sea temperature is
21.8° C
(Which is slightly warmer than usual)How big are the waves at Cowries today?
The current surf forecast for Cowries at 7PM is: 1.2m 12s primary swell from a South-southeast direction and 0.4m 7s secondary swell from a East-northeast direction, 0.4m 3s secondary swell from a East-northeast direction (forecast issued at 04:00pm December 16). The wind direction is predicted to be onshore.
| Time (AEDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | - | - |
| Afternoon (16 Dec) | 4.5ft (1.3m) | 12s |
| Evening (16 Dec) | 4ft (1.2m) | 12s |
Table - waves today at Cowries. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| 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 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 6 | 6 | 6 | 5 | 6 | 7 | 7 | 7 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 470 | 494 | 418 | 397 | 311 | 248 | 244 | 89 | 191 | 149 | 112 | 79 | 79 | 152 | 109 | 54 | 82 | 209 | 237 | 382 | 160 | 150 | 117 | 98 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | cross- on | cross- on | cross | cross | cross- on | on | cross- on | cross- on | cross- on | cross | cross | cross- on | cross- on | on | cross- on | cross- on | cross | glass | off | glass | on |
High Tide / height (m) | 6:58PM 0.97 | 7:09AM 1.43 | 7:45PM 0.97 | 7:47AM 1.47 | 8:29PM 0.98 | 8:24AM 1.51 | ||||||||||||||||||
Low Tide / height (m) | 12:30AM 0.41 | 1:58PM 0.30 | 1:10AM 0.41 | 2:38PM 0.25 | 1:49AM 0.41 | |||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:39 | - |
| Sunset | - | - | 8:05 | - | - | - | - | - | - | - | 8:06 | - | - | - | - | - | - | - | 8:06 | - | - | - | - | - |
 | | |  |  | |  |  | | | |  | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 19 | 19 | 19 | 18 | 18 | 17 | 19 | 22 | 24 | 22 | 20 | 18 | 18 | 18 | 22 | 29 | 29 | 28 | 24 | 24 | 22 | 21 | 25 | 29 |
| Feels °C (?) | 18 | 18 | 18 | 17 | 17 | 17 | 19 | 20 | 20 | 18 | 18 | 16 | 17 | 18 | 22 | 27 | 27 | 27 | 23 | 25 | 22 | 21 | 26 | 30 |
- 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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