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 am Friday 12 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
21.1° C
(Which is normal for this time of year)How big are the waves at Cowries today?
The current surf forecast for Cowries at 7AM is: 0.6m 12s primary swell from a East direction and 0.5m 9s secondary swell from a East-northeast direction, 0.8m 5s secondary swell from a East-southeast direction (forecast issued at 04:00am December 12). The wind direction is predicted to be cross-onshore.
| Time (AEDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | 2.5ft (0.7m) | 12s |
| Afternoon (12 Dec) | 4ft (1.2m) | 12s |
| Evening (12 Dec) | 3.5ft (1.0m) | 12s |
Table - waves today at Cowries. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 12 | Saturday 13 | Sunday 14 | ||||||||||||||||||||||
| 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) (?) | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 56 | 85 | 107 | 187 | 400 | 276 | 271 | 262 | 248 | 244 | 401 | 394 | 457 | 161 | 209 | 130 | 128 | 107 | 94 | 136 | 230 | 186 | 192 | 140 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross | glass | on | cross- on | cross | cross | cross- off | cross | cross- on | on | cross- on | glass | cross- off | glass | cross- off | cross- off | glass | cross- on | cross- on | cross- off | cross- off |
High Tide / height (m) | 3:27AM 1.12 | 3:07PM 1.19 | 4:21AM 1.18 | 4:07PM 1.09 | 5:09AM 1.25 | 5:08PM 1.02 | ||||||||||||||||||
Low Tide / height (m) | 9:09AM 0.55 | 9:44PM 0.29 | 10:23AM 0.54 | 10:28PM 0.34 | 11:30AM 0.50 | |||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | ||||||||||||||||||||||
| Sunrise | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 8:01 | - | - | - | - | - | - | - | 8:02 | - | - | - | - | - | - | - | 8:04 | - |
 |  |  |  | |  |  |  | | |  | | | | |  |  | | | | | | | | |
Rain (mm) | - | - | 1 | 2 | 1 | - | - | - | - | - | - | - | - | - | 3 | 5 | 14 | - | - | - | - | - | - | - |
| Temp. °C | 18 | 18 | 19 | 19 | 19 | 21 | 20 | 18 | 17 | 17 | 19 | 23 | 23 | 23 | 20 | 18 | 18 | 18 | 20 | 27 | 28 | 30 | 19 | 17 |
| Feels °C (?) | 18 | 18 | 19 | 19 | 20 | 21 | 20 | 18 | 17 | 18 | 20 | 21 | 20 | 22 | 23 | 19 | 20 | 18 | 20 | 28 | 28 | 29 | 14 | 13 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Latest Updates
Buy Less, Surf More This Black Friday
Surf-forecast is providing a free, all-access pass to our premium features and 12-day forecasts all weekend.
Quiksilver Teams Up With PrimaLoft® For World’s First Thermal Layering System for a Wetsuit.
Previously used in our snow jackets for mountain conditions, PrimaLoft® technology is making its debut in the surf industry. The aim is to bring mountain-grade warmth to the waves.
Vancouver Island’s Day Of Days With Reed Platenius
Surf-Forecast recently helped the 21-year-old Canadian pro surfer and adventurer score some cold water perfection at home.
Read more
Discover more articles and updates in the Greenroom.
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Cowries surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest