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:
Turtles surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 2 pm Monday 15 Dec 2025 JSTForecast update in hr min s Forecast update imminent
Turtles surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Turtles sea temperature is
24.5° C
(Which is slightly warmer than usual)How big are the waves at Turtles today?
The current surf forecast for Turtles at 9PM is: 1.2m 8s primary swell from a North-northwest direction (forecast issued at 02:00pm December 15). An open ocean swell of 0.4m 10s is not directed at the surf break, a second open ocean swell of 0.5m 5s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Dec) | - | - |
| Afternoon (15 Dec) | 5ft (1.5m) | 8s |
| Evening (15 Dec) | 4ft (1.2m) | 8s |
Table - waves today at Turtles. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| 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 | 6 AM | 9 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 422 | 309 | 211 | 176 | 110 | 105 | 83 | 58 | 42 | 41 | 28 | 24 | 15 | 14 | 8 | 7 | 7 | 4 | 3 | 3 | 3 | 3 | 3 | 3 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | cross- off | cross- off | cross- off | cross- off | off | off |
High Tide / height (m) | 3:50PM 1.73 | 5:18AM 1.61 | 4:31PM 1.78 | 6:03AM 1.69 | 5:09PM 1.83 | 6:42AM 1.76 | ||||||||||||||||||
Low Tide / height (m) | 9:52AM 1.01 | 10:45PM 0.56 | 10:45AM 1.03 | 11:25PM 0.44 | 11:30AM 1.03 | 12:01AM 0.33 | ||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 7:09 | - | - | - | - | - | - | - | 7:09 | - | - | - | - | - | - | - | 7:09 |
| Sunset | - | 5:37 | - | - | - | - | - | - | - | 5:38 | - | - | - | - | - | - | - | 5:38 | - | - | - | - | - | - |
 | |  | | |  |  |  | |  | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 19 | 18 | 18 | 18 | 18 | 18 | 19 | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 19 |
| Feels °C (?) | 12 | 14 | 14 | 15 | 16 | 16 | 15 | 17 | 18 | 18 | 18 | 17 | 17 | 18 | 17 | 18 | 18 | 19 | 19 | 19 | 18 | 18 | 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)
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