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Surf Forecasts:
Castles surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 8 am Wednesday 13 May 2026 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
24.1° C
(Which is 1.2°C colder than average for this time of year)How big are the waves at Castles today?
The current surf forecast for Castles at 11AM is: 1.0m 10s primary swell from a East direction and 0.6m 10s secondary swell from a East-northeast direction (forecast issued at 08:00am May 13). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 May) | 4ft (1.2m) | 10s |
| Afternoon (13 May) | 3ft (0.9m) | 10s |
| Evening (13 May) | 2.5ft (0.8m) | 10s |
Table - waves today at Castles. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 23°C on Wed morning, min 22°C on Wed night). Winds increasing (light winds from the ENE on Wed afternoon, fresh winds from the ENE by Fri afternoon). | ||||||||||||||||||||||||
Wednesday 13 | Thursday 14 | Friday 15 | Sat 16 | |||||||||||||||||||||
6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
E 10 | E 10 | E 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ENE 9 | E 9 | E 6 | E 6 | E 6 | E 7 | E 7 | ENE 7 | |
268 | 268 | 192 | 157 | 157 | 133 | 163 | 160 | 125 | 125 | 123 | 120 | 115 | 115 | 113 | 90 | 132 | 339 | 166 | 196 | 209 | 248 | 271 | 198 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | |
High Tide | 3:46AM1.75m | 4:26PM1.76m | 4:28AM1.88m | 5:23PM1.89m | 5:08AM2.00m | 6:15PM1.98m | ||||||||||||||||||
Low Tide | 10:10AM0.51m | 10:27PM0.63m | 10:59AM0.27m | 11:15PM0.64m | 11:45AM0.06m | 00:01AM0.66m | ||||||||||||||||||
 |  | | | |  |  | | | | | | | | | | |  | | | | | | | |
 | 5:43 | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:43 |
 | — | — | — | — | 7:06 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | 7:07 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 23 | 23 | 23 | 22 | 22 | 22 | 22 |
24 | 25 | 25 | 25 | 25 | 25 | 24 | 22 | 22 | 23 | 23 | 23 | 23 | 22 | 22 | 21 | 20 | 20 | 20 | 20 | 18 | 18 | 18 | 18 | |
Swell 1 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | SE 12 | SE 12 | E 10 | E 10 | SE 11 | ESE 11 | ESE 9 |
 kJ | 268 | 268 | 192 | 157 | 157 | 133 | 163 | 160 | 125 | 125 | 123 | 120 | 115 | 115 | 113 | 90 | 69 | 6 | 6 | 47 | 50 | 5 | 12 | 119 |
Swell 2 Height (m) Direction Period (s) | SE 8 | SE 8 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | SSE 7 | ENE 9 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | ENE 9 | SSE 6 | S 6 | S 6 | ESE 11 | SE 12 | S 6 | SE 15 | ESE 11 |
| kJ | 17 | 17 | 71 | 90 | 86 | 84 | 64 | 65 | 84 | 10 | 46 | 9 | 9 | 9 | 4 | 45 | 4 | 3 | 3 | 13 | 5 | 1 | 9 | 12 |
Swell 3 Height (m) Direction Period (s) | SW 4 | — | SE 8 | SSE 8 | SSE 8 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | — | SSE 7 | — | SE 12 | SE 12 | SE 12 | SSE 6 | SE 12 | SE 16 | SE 16 | S 6 | S 6 | SE 16 | S 6 | SE 15 |
| kJ | 1 | — | 16 | 11 | 11 | 11 | 11 | 11 | 10 | — | 9 | — | 6 | 6 | 6 | 4 | 6 | 10 | 10 | 3 | 1 | 10 | 1 | 9 |
Wind waves Height (m) Direction Period (s) | — | — | — | ENE 2 | — | — | — | E 2 | E 3 | ENE 9 | E 3 | E 9 | ENE 9 | ENE 9 | ENE 9 | E 4 | ENE 9 | E 9 | E 6 | E 6 | E 6 | E 7 | E 7 | ENE 7 |
| kJ | — | — | — | 1 | — | — | — | 1 | 3 | 84 | 4 | 79 | 65 | 86 | 110 | 12 | 132 | 339 | 166 | 196 | 209 | 248 | 271 | 198 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 63 | 588 | 32 | 596 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 588 | 588 | 596 | 605 | 605 | 29 | 1098 | 31 | 29 | 29 | 29 | 29 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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