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 8 am Sunday 14 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
24.5° C
(Which is slightly warmer than usual)How big are the waves at Ikei Island today?
The current surf forecast for Ikei Island at 11AM is: 3.0m 9s primary swell from a North-northwest direction and 0.7m 9s secondary swell from a East direction, 0.5m 8s secondary swell from a Southeast direction (forecast issued at 08:00am December 14). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Dec) | 10ft (3.0m) | 8s |
| Afternoon (14 Dec) | 10ft (3.0m) | 10s |
| Evening (14 Dec) | 8ft (2.4m) | 10s |
Table - waves today at Ikei Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 14 | Monday 15 | Tuesday 16 | Wed 17 | |||||||||||||||||||||
| 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 | 0 AM | 3 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 9 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 10 | 9 | 9 | 9 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 750 | 1081 | 1411 | 1395 | 1288 | 1035 | 782 | 630 | 572 | 530 | 375 | 309 | 228 | 186 | 107 | 83 | 66 | 116 | 111 | 113 | 113 | 115 | 90 | 90 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | on | on | on | on | on | on | on | cross- on | on | on | on | on | on |
High Tide / height (m) | 2:38PM 1.61 | 3:50AM 1.41 | 3:21PM 1.65 | 4:48AM 1.49 | 4:00PM 1.70 | |||||||||||||||||||
Low Tide / height (m) | 8:10AM 0.89 | 9:29PM 0.67 | 9:12AM 0.95 | 10:15PM 0.53 | 10:06AM 0.97 | 10:54PM 0.41 | ||||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | Wed 17 | |||||||||||||||||||||
| Sunrise | - | 7:05 | - | - | - | - | - | - | - | 7:07 | - | - | - | - | - | - | - | 7:07 | - | - | - | - | - | - |
| Sunset | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 | - | - | - | - |
 |  | | | | |  |  | |  | | | | | | | |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 17 | 17 | 16 | 17 | 16 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 20 | 20 | 20 | 20 | 19 | 20 |
| Feels °C (?) | 12 | 10 | 10 | 9 | 11 | 10 | 11 | 11 | 11 | 11 | 13 | 13 | 14 | 14 | 15 | 15 | 16 | 16 | 17 | 18 | 18 | 18 | 17 | 18 |
- 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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