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:
Sunabe Seawall surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 8 am Friday 12 Dec 2025 JSTForecast update in hr min s Forecast update imminent
Sunabe Seawall surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Sunabe Seawall sea temperature is
24.4° C
(Which is normal for this time of year)How big are the waves at Sunabe Seawall today?
The current surf forecast for Sunabe Seawall at 11AM is: 1.9m 6s primary swell from a North-northeast direction and 0.1m 6s secondary swell from a West direction (forecast issued at 08:00am December 12). An open ocean swell of 0.4m 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 (12 Dec) | 0.5ft (0.2m) | 6s |
| Afternoon (12 Dec) | 7ft (2.1m) | 7s |
| Evening (12 Dec) | 5ft (1.5m) | 8s |
Table - waves today at Sunabe Seawall. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 12 | Saturday 13 | Sunday 14 | Mon 15 | |||||||||||||||||||||
| 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 | 6 PM | 9 PM | 0 AM | 3 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 7 | 6 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 6 | 7 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 10 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1 | 3 | 342 | 419 | 337 | 287 | 270 | 284 | 246 | 222 | 193 | 208 | 267 | 193 | 457 | 725 | 1268 | 1693 | 1764 | 1653 | 1422 | 818 | 847 | 898 |
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 | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide / height (m) | 1:23PM 1.59 | 1:30AM 1.36 | 2:20PM 1.59 | 3:04AM 1.33 | 3:12PM 1.60 | |||||||||||||||||||
Low Tide / height (m) | 6:37AM 0.53 | 7:45PM 0.79 | 7:40AM 0.68 | 9:01PM 0.69 | 8:46AM 0.79 | 10:04PM 0.56 | ||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | Mon 15 | |||||||||||||||||||||
| Sunrise | - | 7:05 | - | - | - | - | - | - | - | 7:07 | - | - | - | - | - | - | - | 7:07 | - | - | - | - | - | - |
| Sunset | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 | - | - | - | - |
 |  | | |  |  | | | |  |  | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 20 | 21 | 22 | 22 | 21 | 21 | 21 | 21 | 22 | 21 | 22 | 22 | 22 | 21 | 20 | 19 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 17 |
| Feels °C (?) | 16 | 17 | 18 | 18 | 18 | 20 | 21 | 21 | 22 | 21 | 21 | 21 | 19 | 16 | 15 | 12 | 11 | 9 | 9 | 9 | 9 | 10 | 11 | 11 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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