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:
Aja surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 2 am Saturday 13 Dec 2025 JSTForecast update in hr min s Forecast update imminent
Aja surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Aja sea temperature is
24.6° C
(Which is slightly warmer than usual)How big are the waves at Aja today?
The current surf forecast for Aja at 7AM is: 1.3m 8s primary swell from a East direction and 0.9m 8s secondary swell from a North-northwest direction (forecast issued at 02:00am December 13). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 4ft (1.2m) | 8s |
| Afternoon (13 Dec) | 3ft (0.9m) | 8s |
| Evening (13 Dec) | 2.5ft (0.8m) | 10s |
Table - waves today at Aja. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||||||||||||
| 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) (?) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 10 | 6 | 7 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 222 | 198 | 203 | 169 | 142 | 89 | 78 | 120 | 207 | 529 | 672 | 1081 | 1183 | 1117 | 992 | 884 | 782 | 601 | 537 | 427 | 358 | 270 | 176 | 138 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross | cross | cross- on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross- off | cross |
High Tide / height (m) | 1:30AM 1.36 | 2:22PM 1.58 | 3:01AM 1.34 | 3:08PM 1.61 | 4:17AM 1.39 | 3:51PM 1.64 | ||||||||||||||||||
Low Tide / height (m) | 7:37AM 0.70 | 9:05PM 0.72 | 8:42AM 0.79 | 10:02PM 0.57 | 9:43AM 0.85 | |||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||||||||||||
| Sunrise | - | - | - | 7:07 | - | - | - | - | - | - | - | 7:07 | - | - | - | - | - | - | - | 7:07 | - | - | - | - |
| Sunset | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:38 | - | - | - | - | - | - | - | 5:38 | - | - |
 |  | |  |  | | | |  | | |  |  | | | | | | | | |  |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | 1 | 1 | 2 | 2 | 1 | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 22 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 21 | 19 | 17 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 19 | 19 | 19 | 18 |
| Feels °C (?) | 21 | 21 | 21 | 22 | 24 | 22 | 21 | 20 | 17 | 13 | 10 | 9 | 9 | 9 | 9 | 10 | 11 | 11 | 11 | 11 | 14 | 15 | 15 | 14 |
- 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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