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Surf Forecasts:
Castles surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 2 am Wednesday 10 Dec 2025 JSTForecast update in hr min s Forecast update imminent
Castles surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Castles sea temperature is
25.0° C
(Which is slightly warmer than usual)How big are the waves at Castles today?
The current surf forecast for Castles at 7AM is: 1.5m 9s primary swell from a East direction (forecast issued at 02:00am December 10). An open ocean swell of 0.5m 7s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Dec) | 5ft (1.5m) | 9s |
| Afternoon (10 Dec) | 4.5ft (1.4m) | 9s |
| Evening (10 Dec) | 4.5ft (1.3m) | 8s |
Table - waves today at Castles. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 10 | Thursday 11 | Friday 12 | ||||||||||||||||||||||
| 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 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 10 | 5 | 6 | 6 | 9 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 320 | 335 | 334 | 326 | 284 | 286 | 251 | 252 | 293 | 247 | 261 | 263 | 277 | 277 | 251 | 251 | 227 | 237 | 289 | 154 | 239 | 207 | 421 | 205 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross- on | on | cross- on | cross | cross | cross | cross | on |
High Tide / height (m) | 9:42PM 1.82 | 11:30AM 1.62 | 10:41PM 1.66 | 12:21PM 1.58 | 11:51PM 1.51 | 1:12PM 1.55 | ||||||||||||||||||
Low Tide / height (m) | 4:40AM 0.19 | 4:59PM 0.90 | 5:31AM 0.38 | 6:05PM 0.87 | 6:26AM 0.56 | 7:19PM 0.81 | ||||||||||||||||||
Wednesday 10 | Thursday 11 | Friday 12 | ||||||||||||||||||||||
| Sunrise | - | - | - | 7:03 | - | - | - | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:05 | - | - | - | - |
| Sunset | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 | - | - |
 |  | |  | | | | | | |  | | | | | | | | |  | |  |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | 2 | 2 | 1 | 1 | 2 | 3 | 2 | 1 | 4 | 4 |
| Temp. °C | 20 | 20 | 20 | 21 | 20 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 20 | 20 | 20 | 20 | 21 |
| Feels °C (?) | 15 | 16 | 16 | 16 | 15 | 17 | 19 | 19 | 19 | 20 | 21 | 20 | 22 | 22 | 23 | 23 | 22 | 23 | 22 | 17 | 16 | 17 | 18 | 21 |
- 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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