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:
Avana surfForecast / Rarotonga / Cook Islands
48hr Weather and Surf, issued 7 pm Monday 15 Dec 2025 -10Forecast update in hr min s Forecast update imminent
Avana surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Avana sea temperature is
26.2° C
(Which is normal for this time of year)How big are the waves at Avana today?
The current surf forecast for Avana at 12AM is: 0.8m 11s primary swell from a Southwest direction and 0.6m 7s secondary swell from a East-southeast direction (forecast issued at 07:00pm December 15). An open ocean swell of 0.6m 13s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (-10) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | - | - |
| Afternoon (16 Dec) | 1.5ft (0.5m) | 10s |
| Evening (16 Dec) | 2.5ft (0.7m) | 11s |
Table - waves today at Avana. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| 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 | 2 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 11 | 11 | 10 | 10 | 10 | 16 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 11 | 8 | 11 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 57 | 119 | 140 | 124 | 145 | 117 | 179 | 381 | 440 | 602 | 480 | 537 | 513 | 490 | 623 | 649 | 472 | 383 | 364 | 350 | 207 | 346 | 191 | 326 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- on | on | on | cross- on | cross | glass | glass | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 6:12PM 0.58 | 6:34AM 0.45 | 6:48PM 0.61 | 7:12AM 0.46 | 7:24PM 0.63 | 7:49AM 0.47 | ||||||||||||||||||
Low Tide / height (m) | 12:23AM 0.11 | 12:19PM 0.13 | 1:02AM 0.09 | 12:54PM 0.13 | 1:39AM 0.07 | 1:29PM 0.13 | ||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 5:50 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:52 | - | - |
| Sunset | 7:15 | - | - | - | - | - | - | - | 7:16 | - | - | - | - | - | - | - | 7:16 | - | - | - | - | - | - | - |
 |  | | | |  | |  |  |  | |  |  |  | | | |  | | | |  | | | |
Rain (mm) | 6 | 1 | 2 | 1 | 3 | 3 | 3 | 2 | 1 | 2 | 2 | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 24 | 23 | 23 | 24 | 23 | 24 | 24 | 24 | 25 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Feels °C (?) | 27 | 25 | 24 | 25 | 25 | 27 | 28 | 27 | 27 | 24 | 22 | 22 | 24 | 23 | 23 | 24 | 24 | 23 | 24 | 24 | 24 | 24 | 24 | 23 |
- 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 Avana 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