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:
Crackneck surfForecast / NSW – Newcastle / Australia
48hr Weather and Surf, issued 10 pm Tuesday 16 Dec 2025 AEDTForecast update in hr min s Forecast update imminent
Crackneck surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Crackneck sea temperature is
22.4° C
(Which is normal for this time of year)How big are the waves at Crackneck today?
The current surf forecast for Crackneck at 2AM is: 0.4m 8s primary swell from a East direction and 0.8m 4s secondary swell from a East-northeast direction (forecast issued at 10:00pm December 16). An open ocean swell of 1.5m 12s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (AEDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Dec) | 1.5ft (0.5m) | 8s |
| Afternoon (17 Dec) | 1.5ft (0.5m) | 8s |
| Evening (17 Dec) | 5ft (1.6m) | 5s |
Table - waves today at Crackneck. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tue 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| 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 | 2 PM | 5 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 6 | 4 | 8 | 8 | 8 | 8 | 8 | 4 | 5 | 6 | 6 | 6 | 6 | 6 | 5 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 32 | 16 | 22 | 33 | 33 | 32 | 31 | 59 | 115 | 177 | 123 | 89 | 61 | 64 | 76 | 185 | 307 | 357 | 305 | 261 | 188 | 138 | 119 | 119 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross | cross- on | cross- on | cross- on | cross | cross | cross | cross- off | cross- off | cross- on | cross- on | cross | cross | cross | glass | glass | glass | on | cross- on | cross- on |
High Tide / height (m) | 6:53PM 0.99 | 7:11AM 1.48 | 7:40PM 0.99 | 7:48AM 1.53 | 8:24PM 1.01 | 8:25AM 1.57 | ||||||||||||||||||
Low Tide / height (m) | 12:28AM 0.39 | 1:58PM 0.32 | 1:08AM 0.39 | 2:37PM 0.27 | 1:47AM 0.39 | 3:16PM 0.22 | ||||||||||||||||||
Tue 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:39 | - | - | - | - | - | - | - | 5:39 | - | - | - | - | - | - | - | 5:39 | - | - | - |
| Sunset | - | - | - | - | - | - | - | - | 8:00 | - | - | - | - | - | - | - | 8:00 | - | - | - | - | - | - | - |
 | | | |  | |  | | |  | |  | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 20 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 19 | 19 | 18 | 17 | 18 | 22 | 23 | 24 | 24 | 23 | 22 | 22 | 24 | 26 | 25 | 25 |
| Feels °C (?) | 17 | 17 | 17 | 18 | 19 | 18 | 17 | 17 | 16 | 17 | 17 | 16 | 18 | 21 | 20 | 21 | 23 | 22 | 23 | 23 | 24 | 26 | 25 | 25 |
- 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 Crackneck 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