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:
Ikei Island surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 2 am Saturday 13 Dec 2025 JSTForecast update in hr min s Forecast update imminent
Ikei Island surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Ikei Island sea temperature is
24.6° C
(Which is slightly warmer than usual)How big are the waves at Ikei Island today?
The current surf forecast for Ikei Island at 6AM is: 1.4m 8s primary swell from a East direction and 1.0m 9s secondary swell from a North-northwest direction (forecast issued at 02:00am December 13). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 4.5ft (1.3m) | 8s |
| Afternoon (13 Dec) | 3.5ft (1.0m) | 8s |
| Evening (13 Dec) | 3.5ft (1.0m) | 8s |
Table - waves today at Ikei Island. (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) (?) | 7 | 8 | 8 | 8 | 8 | 8 | 7 | 8 | 6 | 7 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 315 | 196 | 234 | 196 | 142 | 110 | 75 | 131 | 185 | 498 | 709 | 1108 | 1210 | 1141 | 1065 | 974 | 799 | 644 | 537 | 316 | 333 | 244 | 197 | 153 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | cross- on | cross- on | glass | cross- off | cross- off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on |
High Tide / height (m) | 12:56AM 1.37 | 1:49PM 1.59 | 2:32AM 1.36 | 2:38PM 1.61 | 3:50AM 1.41 | 3:21PM 1.65 | ||||||||||||||||||
Low Tide / height (m) | 7:04AM 0.79 | 8:30PM 0.80 | 8:10AM 0.89 | 9:29PM 0.67 | 9:12AM 0.95 | |||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||||||||||||
| Sunrise | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:07 | - | - | - | - |
| Sunset | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 | - | - |
 |  | |  |  |  | | |  | |  |  | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | 1 | 2 | 1 | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 21 | 21 | 21 | 21 | 23 | 23 | 22 | 22 | 21 | 19 | 17 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 19 | 18 | 18 |
| Feels °C (?) | 19 | 21 | 21 | 22 | 25 | 24 | 21 | 21 | 18 | 14 | 11 | 10 | 10 | 10 | 10 | 11 | 12 | 11 | 11 | 12 | 13 | 14 | 14 | 14 |
- 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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