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Surf Forecasts:
Castles surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 8 pm Saturday 23 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
24.7° C
(Which is 1.1°C colder than average for this time of year)How big are the waves at Castles today?
The current surf forecast for Castles at 5AM is: 0.8m 9s primary swell from a East-southeast direction (forecast issued at 08:00pm May 23). An open ocean swell of 0.2m 7s is not directed at the surf break, a second open ocean swell of 0.9m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (24 May) | 2.5ft (0.8m) | 10s |
| Afternoon (24 May) | 3ft (0.9m) | 9s |
| Evening (24 May) | 3ft (0.9m) | 9s |
Table - waves today at Castles. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 39mm), heaviest during Mon afternoon. Warm (max 27°C on Sat night, min 24°C on Mon afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Sat 23 | Sunday 24 | Monday 25 | Tuesday 26 | |||||||||||||||||||||
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 | 6 AM | 9 AM | 12 PM | 3 PM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ENE 9 | SW 6 | NE 9 | NE 10 | |
113 | 113 | 113 | 115 | 118 | 123 | 126 | 124 | 121 | 119 | 119 | 94 | 96 | 90 | 94 | 105 | 103 | 111 | 100 | 71 | 64 | 70 | 90 | 92 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross-on | cross-on | cross | cross | cross | cross-off | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | |
High Tide | 1:37AM1.60m | 1:14PM1.56m | 2:33AM1.63m | 2:49PM1.56m | 3:20AM1.69m | |||||||||||||||||||
Low Tide | 6:37PM0.55m | 7:21AM0.99m | 7:48PM0.68m | 8:41AM0.85m | 8:55PM0.78m | 9:43AM0.68m | ||||||||||||||||||
 |  | |  |  | | | | | |  | | | | |  | |  | | | | | | | |
 | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:37 | — | — | — | — |
 | 7:12 | — | — | — | — | — | — | — | 7:12 | — | — | — | — | — | — | — | 7:13 | — | — | — | — | — | — | 7:13 |
2 | 1 | 2 | — | — | 1 | 1 | — | — | — | — | — | 2 | 5 | 4 | 6 | 6 | — | — | 1 | 4 | 2 | 2 | 2 | |
Temp °C | 27 | 27 | 27 | 26 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 24 | 25 | 25 | 25 | 26 | 26 | 26 | 26 |
28 | 29 | 29 | 28 | 29 | 29 | 30 | 29 | 29 | 30 | 29 | 29 | 28 | 28 | 29 | 29 | 27 | 27 | 27 | 27 | 29 | 29 | 29 | 29 | |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ENE 9 | ESE 9 | NE 9 | NE 10 |
 kJ | 113 | 113 | 113 | 115 | 118 | 123 | 126 | 124 | 121 | 119 | 119 | 94 | 96 | 90 | 94 | 105 | 103 | 111 | 100 | 64 | 58 | 68 | 90 | 92 |
Swell 2 Height (m) Direction Period (s) | NNW 8 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | W 6 | W 7 | W 7 | W 7 | NE 10 | NE 10 | NE 10 | SW 6 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | NE 9 | ESE 9 | NE 9 | ESE 9 | ESE 9 |
| kJ | 6 | 5 | 5 | 5 | 4 | 4 | 6 | 16 | 17 | 16 | 48 | 47 | 47 | 38 | 79 | 77 | 76 | 94 | 92 | 71 | 64 | 70 | 68 | 68 |
Swell 3 Height (m) Direction Period (s) | — | — | N 8 | N 8 | N 8 | N 7 | NNW 6 | NE 12 | NE 11 | NE 10 | W 7 | W 7 | W 6 | NE 10 | W 7 | SW 6 | SW 6 | SW 6 | W 6 | SW 6 | W 6 | W 7 | W 7 | W 7 |
| kJ | — | — | 1 | 1 | 1 | 1 | 4 | 5 | 19 | 28 | 15 | 8 | 7 | 79 | 9 | 29 | 27 | 16 | 13 | 19 | 12 | 8 | 10 | 17 |
Wind waves Height (m) Direction Period (s) | SW 5 | SW 5 | SW 6 | WSW 6 | WSW 6 | WSW 6 | SW 5 | SW 6 | SW 6 | SW 6 | WSW 6 | SW 6 | SW 6 | — | SW 6 | — | — | — | SSW 5 | S 4 | SSW 4 | SW 6 | SW 5 | SW 5 |
| kJ | 65 | 65 | 59 | 55 | 55 | 55 | 33 | 45 | 29 | 27 | 22 | 29 | 38 | — | 36 | — | — | — | 24 | 7 | 25 | 51 | 35 | 37 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 48 | 16 | 16 | 16 | 16 | 16 | 16 | 48 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 0 | 48 | 588 | 588 | 588 | 92 | 16 | 16 | 16 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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