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:
Buma surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 8 pm Saturday 13 Dec 2025 JSTForecast update in hr min s Forecast update imminent
Buma surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Buma sea temperature is
24.2° C
(Which is normal for this time of year)How big are the waves at Buma today?
The current surf forecast for Buma at 2AM is: 2.5m 7s primary swell from a North-northwest direction and 0.4m 8s secondary swell from a East-northeast direction (forecast issued at 08:00pm December 13). An open ocean swell of 0.6m 10s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Dec) | 10ft (3.0m) | 9s |
| Afternoon (14 Dec) | 10ft (3.0m) | 10s |
| Evening (14 Dec) | 10ft (3.0m) | 9s |
Table - waves today at Buma. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sat 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 6 | 8 | 8 | 9 | 9 | 10 | 10 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 151 | 46 | 383 | 942 | 1193 | 1532 | 1726 | 1649 | 1504 | 1309 | 1020 | 794 | 705 | 549 | 471 | 359 | 294 | 212 | 173 | 143 | 112 | 89 | 67 | 70 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off |
High Tide / height (m) | 3:01AM 1.39 | 2:59PM 1.62 | 4:15AM 1.44 | 3:42PM 1.65 | 5:10AM 1.52 | |||||||||||||||||||
Low Tide / height (m) | 8:48PM 0.80 | 8:32AM 0.92 | 9:47PM 0.67 | 9:35AM 0.98 | 10:34PM 0.54 | 10:29AM 1.00 | ||||||||||||||||||
Sat 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 7:07 | - | - | - | - | - | - | - | 7:07 | - | - | - | - | - | - | - | 7:07 | - | - |
| Sunset | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 |
 |  | |  | |  |  | |  | | | | |  | | | | | | | |  | | | |
Rain (mm) | - | - | - | 1 | 1 | 2 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 22 | 22 | 20 | 18 | 17 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 20 | 19 |
| Feels °C (?) | 20 | 19 | 15 | 11 | 10 | 8 | 8 | 9 | 9 | 10 | 11 | 11 | 10 | 11 | 13 | 13 | 14 | 14 | 15 | 16 | 17 | 16 | 18 | 17 |
- 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 Buma 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