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:
Gnarabup surfForecast / WA – Margaret River / Australia
48hr Weather and Surf, issued 7 am Tuesday 16 Dec 2025 AWSTForecast update in hr min s Forecast update imminent
Gnarabup surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Gnarabup sea temperature is
20.2° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Gnarabup today?
The current surf forecast for Gnarabup at 2PM is: 1.1m 15s primary swell from a Southwest direction and 1.2m 11s secondary swell from a West-southwest direction, 0.3m 4s secondary swell from a Northwest direction (forecast issued at 07:00am December 16). The wind direction is predicted to be cross-onshore.
| Time (AWST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | 5ft (1.6m) | 14s |
| Afternoon (16 Dec) | 3.5ft (1.1m) | 15s |
| Evening (16 Dec) | 4.5ft (1.3m) | 15s |
Table - waves today at Gnarabup. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | Fri 19 | |||||||||||||||||||||
| 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 | 2 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 15 | 14 | 14 | 15 | 15 | 15 | 15 | 14 | 8 | 13 | 12 | 12 | 11 | 11 | 10 | 10 | 10 | 12 | 12 | 12 | 12 | 12 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1045 | 1016 | 561 | 496 | 592 | 537 | 911 | 899 | 1162 | 6767 | 5956 | 4587 | 3452 | 2859 | 1756 | 753 | 501 | 850 | 647 | 568 | 429 | 359 | 293 | 215 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | cross- on | cross- on | cross- on | cross- on | on | cross- on | on | on | on | on | on | cross- on | cross | cross | cross | cross | cross- off | cross- off | cross | cross | cross | cross- off |
High Tide / height (m) | 7:34PM 0.71 | 7:58PM 0.75 | 8:24PM 0.78 | |||||||||||||||||||||
Low Tide / height (m) | 4:54AM 0.15 | 5:17AM 0.11 | 5:44AM 0.08 | |||||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Fri 19 | |||||||||||||||||||||
| Sunrise | - | 5:03 | - | - | - | - | - | - | - | 5:03 | - | - | - | - | - | - | - | 5:03 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 7:27 | - | - | - | - | - | - | - | 7:28 | - | - | - | - | - | - | - | 7:28 | - | - | - |
 |  | | |  |  | | | | | |  | | | |  | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 19 | 19 | 19 | 21 | 20 | 20 | 20 | 19 | 19 | 17 | 17 | 17 | 18 | 19 | 19 | 18 | 17 | 16 | 16 | 16 | 20 | 21 | 18 | 16 |
| Feels °C (?) | 21 | 20 | 20 | 23 | 20 | 19 | 18 | 18 | 16 | 11 | 11 | 11 | 13 | 14 | 14 | 13 | 12 | 11 | 12 | 12 | 15 | 14 | 11 | 9 |
- 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 Gnarabup 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