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:
Cyclops surfForecast / WA – Far South / Australia
48hr Weather and Surf, issued 1 pm Monday 15 Dec 2025 AWSTForecast update in hr min s Forecast update imminent
Cyclops surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Cyclops sea temperature is
19.3° C
(Which is 1.6°C warmer than normal for this time of year)How big are the waves at Cyclops today?
The current surf forecast for Cyclops at 4PM is: 1.2m 12s primary swell from a South-southwest direction and 0.4m 18s secondary swell from a South-southwest direction (forecast issued at 01:00pm December 15). An open ocean swell of 1.0m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Dec) | 4.5ft (1.3m) | 12s |
| Afternoon (15 Dec) | 4ft (1.2m) | 12s |
| Evening (15 Dec) | 3.5ft (1.0m) | 11s |
Table - waves today at Cyclops. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| 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 | 8 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 446 | 385 | 306 | 301 | 234 | 167 | 164 | 201 | 220 | 204 | 196 | 242 | 362 | 362 | 437 | 367 | 367 | 367 | 362 | 352 | 337 | 318 | 304 | 299 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | off | off | off | off | cross- off | off | cross- off | cross- off | off | off | cross- off | cross | cross- on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 8:55PM 0.72 | 10:17AM 0.29 | 9:14PM 0.80 | 10:36AM 0.29 | 9:39PM 0.86 | |||||||||||||||||||
Low Tide / height (m) | 12:03PM 0.28 | 5:08AM 0.18 | 1:03PM 0.27 | 5:16AM 0.13 | 1:48PM 0.25 | 5:32AM 0.10 | ||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 4:30 | - | - | - | - | - | - | - | 4:30 | - | - | - | - | - | - | - | 4:31 | - |
| Sunset | - | - | 6:53 | - | - | - | - | - | - | - | 6:53 | - | - | - | - | - | - | - | 6:54 | - | - | - | - | - |
 | | |  |  | | | | | |  | |  | |  | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 27 | 26 | 23 | 18 | 19 | 19 | 21 | 29 | 36 | 32 | 31 | 28 | 29 | 30 | 29 | 21 | 20 | 20 | 19 | 18 | 18 | 17 | 17 | 17 |
| Feels °C (?) | 23 | 20 | 17 | 12 | 14 | 15 | 16 | 24 | 32 | 27 | 24 | 21 | 22 | 24 | 26 | 17 | 18 | 18 | 16 | 18 | 18 | 16 | 14 | 14 |
- 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 Cyclops 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