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Surf Forecasts:
Castles surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 8 pm Monday 08 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 2AM is: 1.3m 9s primary swell from a East-southeast direction (forecast issued at 08:00pm December 08). An open ocean swell of 0.9m 4s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Dec) | 4ft (1.2m) | 9s |
| Afternoon (09 Dec) | 4ft (1.2m) | 8s |
| Evening (09 Dec) | 5.5ft (1.7m) | 6s |
Table - waves today at Castles. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Mon 08 | Tuesday 09 | Wednesday 10 | Thursday 11 | |||||||||||||||||||||
| 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) (?) | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 6 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 311 | 340 | 243 | 270 | 270 | 227 | 217 | 207 | 195 | 179 | 383 | 347 | 319 | 320 | 324 | 317 | 316 | 277 | 326 | 291 | 256 | 228 | 245 | 257 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross | cross | cross- off | cross | cross | cross | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on | cross- on | cross- on | cross- on |
High Tide / height (m) | 8:51PM 1.96 | 10:39AM 1.69 | 9:42PM 1.82 | 11:30AM 1.62 | 10:41PM 1.66 | 12:21PM 1.58 | ||||||||||||||||||
Low Tide / height (m) | 3:09PM 0.87 | 3:51AM 0.00 | 4:01PM 0.89 | 4:40AM 0.19 | 4:59PM 0.90 | 5:31AM 0.38 | ||||||||||||||||||
Mon 08 | Tuesday 09 | Wednesday 10 | Thursday 11 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 7:03 | - | - | - | - | - | - | - | 7:03 | - | - | - | - | - | - | - | 7:05 | - | - |
| Sunset | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:37 |
 |  | | | |  | |  | | |  | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 22 | 21 | 21 | 21 | 20 | 21 | 21 | 21 | 20 | 20 | 21 | 21 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 23 | 23 |
| Feels °C (?) | 19 | 18 | 17 | 16 | 15 | 16 | 16 | 16 | 14 | 15 | 17 | 16 | 16 | 17 | 17 | 17 | 18 | 19 | 19 | 21 | 21 | 21 | 23 | 23 |
- 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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