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Surf Forecasts:
Castles surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 8 pm Tuesday 09 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 12AM is: 1.5m 8s primary swell from a East direction and 0.1m 7s secondary swell from a North direction (forecast issued at 08:00pm December 09). An open ocean swell of 0.6m 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) | 4.5ft (1.4m) | 9s |
| Afternoon (10 Dec) | 4.5ft (1.3m) | 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
Tue 09 | Wednesday 10 | Thursday 11 | Friday 12 | |||||||||||||||||||||
| 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 | 6 AM | 9 AM | 12 PM | 3 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 5 | 6 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 298 | 309 | 324 | 381 | 335 | 284 | 286 | 251 | 251 | 252 | 293 | 284 | 237 | 251 | 199 | 297 | 257 | 257 | 227 | 237 | 127 | 177 | 464 | 398 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on | cross- on | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross |
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) | 4:01PM 0.89 | 4:40AM 0.19 | 4:59PM 0.90 | 5:31AM 0.38 | 6:05PM 0.87 | 6:26AM 0.56 | ||||||||||||||||||
Tue 09 | 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 | 2 |
| Temp. °C | 21 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 20 |
| Feels °C (?) | 17 | 15 | 17 | 17 | 17 | 16 | 16 | 17 | 17 | 19 | 20 | 20 | 20 | 21 | 22 | 22 | 21 | 18 | 17 | 17 | 17 | 16 | 16 | 15 |
- 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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