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 8 pm Thursday 11 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
24.4° C
(Which is normal for this time of year)How big are the waves at Turtles today?
The current surf forecast for Turtles at 12AM is: 1.9m 7s primary swell from a North direction (forecast issued at 08:00pm December 11). An open ocean swell of 0.9m 9s is not directed at the surf break, a second open ocean swell of 0.2m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
Updates in hr min s Forecast update imminent
Thu 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| 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) (?) | 4 | 9 | 7 | 6 | 6 | 6 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 5 | 6 | 7 | 7 | 8 | 8 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 10 | 0 | 316 | 220 | 202 | 269 | 427 | 501 | 530 | 291 | 229 | 206 | 206 | 169 | 99 | 125 | 76 | 237 | 360 | 542 | 765 | 996 | 1133 | 1107 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross- off |
High Tide / height (m) | 12:05AM 1.58 | 1:26PM 1.66 | 1:34AM 1.48 | 2:18PM 1.67 | 3:06AM 1.47 | |||||||||||||||||||
Low Tide / height (m) | 6:27PM 1.01 | 6:40AM 0.70 | 7:48PM 0.95 | 7:44AM 0.85 | 9:01PM 0.83 | 8:51AM 0.95 | ||||||||||||||||||
Thu 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:07 | - | - | - | - | - | - | - | 7:07 | - | - |
| Sunset | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 |
 | | |  | |  |  | |  | | | | | | |  | |  | | | | | | | |
Rain (mm) | 3 | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 22 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 21 | 21 | 19 | 18 | 17 | 17 | 17 |
| Feels °C (?) | 20 | 19 | 18 | 17 | 18 | 17 | 18 | 18 | 18 | 19 | 21 | 22 | 21 | 22 | 21 | 20 | 19 | 16 | 16 | 13 | 11 | 9 | 9 | 9 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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