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:
Ada surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 2 am Monday 15 Dec 2025 JSTForecast update in hr min s Forecast update imminent
Ada surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Ada sea temperature is
24.4° C
(Which is slightly warmer than usual)How big are the waves at Ada today?
The current surf forecast for Ada at 7AM is: 2.1m 9s primary swell from a North-northwest direction and 0.5m 11s secondary swell from a East direction, 0.2m 8s secondary swell from a East-southeast direction (forecast issued at 02:00am December 15). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Dec) | 6.5ft (2.0m) | 9s |
| Afternoon (15 Dec) | 5ft (1.6m) | 8s |
| Evening (15 Dec) | 4.5ft (1.3m) | 8s |
Table - waves today at Ada. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 15 | Tuesday 16 | Wednesday 17 | ||||||||||||||||||||||
| 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 | 6 PM | 9 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 10 | 9 | 9 | 9 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 953 | 848 | 778 | 586 | 493 | 367 | 270 | 206 | 181 | 127 | 102 | 92 | 87 | 85 | 87 | 88 | 90 | 90 | 85 | 81 | 59 | 57 | 57 | 57 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | on | on | on | on | cross- on | cross- on | cross- on | on | on | on | cross- on | cross- on | cross- on | on | cross- on | cross- on |
High Tide / height (m) | 3:49AM 1.26 | 3:23PM 1.54 | 4:52AM 1.32 | 4:03PM 1.57 | 5:40AM 1.38 | 4:38PM 1.60 | ||||||||||||||||||
Low Tide / height (m) | 9:28PM 0.55 | 9:08AM 0.82 | 10:19PM 0.43 | 10:03AM 0.86 | 11:01PM 0.32 | 10:49AM 0.89 | ||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | ||||||||||||||||||||||
| Sunrise | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:07 | - | - | - | - | - | - | - | 7:07 | - | - | - | - |
| Sunset | - | - | - | - | - | 5:35 | - | - | - | - | - | - | - | 5:36 | - | - | - | - | - | - | - | 5:36 | - | - |
 |  | |  | | | | | | | |  | |  |  | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 19 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 |
| Feels °C (?) | 9 | 8 | 10 | 11 | 12 | 13 | 14 | 15 | 15 | 15 | 15 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 |
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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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