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Surf Forecasts:
Castles surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 8 pm Monday 25 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
24.9° 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 12AM is: 0.7m 10s primary swell from a East-southeast direction and 0.7m 9s secondary swell from a Northeast direction, 0.6m 5s secondary swell from a Southwest direction (forecast issued at 08:00pm May 25). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 May) | - | - |
| Afternoon (26 May) | - | - |
| Evening (26 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 ForecastModerate rain (total 18mm), heaviest on Wed night. Warm (max 27°C on Mon night, min 24°C on Thu afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Mon 25 | Tuesday 26 | Wednesday 27 | Thursday 28 | |||||||||||||||||||||
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 10 | ESE 10 | ESE 10 | NE 9 | NE 9 | ESE 9 | NE 9 | NE 9 | NE 10 | NE 10 | SSW 6 | ENE 10 | ENE 9 | ENE 10 | NE 12 | NE 12 | ENE 12 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | SW 6 | ENE 10 | |
103 | 111 | 100 | 71 | 71 | 71 | 90 | 90 | 96 | 96 | 90 | 72 | 59 | 60 | 144 | 140 | 119 | 107 | 103 | 101 | 101 | 76 | 119 | 65 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | off | |
High Tide | 3:20AM1.69m | 4:04PM1.62m | 3:59AM1.77m | 5:03PM1.68m | 4:35AM1.85m | |||||||||||||||||||
Low Tide | 8:55PM0.78m | 9:43AM0.68m | 9:51PM0.83m | 10:33AM0.51m | 10:38PM0.87m | 11:16AM0.35m | ||||||||||||||||||
 |  |  | |  |  | | |  |  | | | | | | | | |  |  |  | | | | |
 | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:37 | — | — | — | — |
 | 7:13 | — | — | — | — | — | — | — | 7:13 | — | — | — | — | — | — | — | 7:14 | — | — | — | — | — | — | 7:14 |
1 | — | — | — | — | — | — | — | — | — | — | — | 1 | 3 | — | — | — | — | 1 | 5 | 2 | — | — | 5 | |
Temp °C | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 25 | 24 |
31 | 30 | 29 | 28 | 28 | 29 | 28 | 28 | 29 | 28 | 28 | 28 | 29 | 27 | 28 | 28 | 29 | 30 | 29 | 28 | 27 | 27 | 27 | 24 | |
Swell 1 Height (m) Direction Period (s) | ESE 10 | ESE 10 | ESE 10 | NE 9 | NE 9 | ESE 9 | NE 9 | NE 9 | W 7 | W 7 | W 7 | ENE 10 | ENE 9 | ENE 10 | NE 12 | NE 12 | ENE 12 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 10 | ENE 10 |
 kJ | 103 | 111 | 100 | 71 | 71 | 68 | 90 | 90 | 54 | 68 | 33 | 60 | 59 | 60 | 144 | 140 | 119 | 107 | 103 | 101 | 101 | 76 | 73 | 65 |
Swell 2 Height (m) Direction Period (s) | NE 10 | NE 10 | NE 9 | ESE 9 | ESE 9 | NE 9 | ESE 9 | ESE 9 | NE 10 | NE 10 | ENE 10 | ESE 10 | ESE 10 | ESE 10 | W 9 | W 8 | W 8 | W 8 | ESE 10 | W 8 | W 8 | W 7 | W 7 | ESE 10 |
| kJ | 76 | 92 | 90 | 64 | 64 | 71 | 66 | 68 | 96 | 96 | 61 | 72 | 52 | 54 | 53 | 66 | 45 | 43 | 56 | 28 | 28 | 26 | 35 | 52 |
Swell 3 Height (m) Direction Period (s) | SW 6 | W 7 | W 7 | NE 11 | NE 11 | NE 11 | W 9 | W 8 | ESE 9 | ESE 9 | ESE 10 | W 8 | W 9 | W 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | W 8 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | SE 14 |
| kJ | 22 | 8 | 14 | 33 | 33 | 33 | 23 | 45 | 68 | 50 | 71 | 31 | 23 | 37 | 54 | 55 | 55 | 32 | 28 | 54 | 52 | 54 | 54 | 7 |
Wind waves Height (m) Direction Period (s) | — | SW 6 | SW 5 | SW 6 | SW 6 | SW 6 | SSW 6 | SSW 5 | SSW 5 | SSW 5 | SSW 6 | SW 7 | SW 7 | SW 6 | SW 6 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 6 | SW 6 | SW 6 |
| kJ | — | 20 | 23 | 64 | 76 | 85 | 61 | 42 | 39 | 51 | 90 | 131 | 131 | 123 | 116 | 128 | 109 | 102 | 99 | 127 | 143 | 107 | 119 | 124 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 92 | 92 | 19 | 16 | 16 | 94 | 612 | 106 | 588 | 588 | 588 | 588 | 48 | 94 | 596 | 48 | 50 | 48 | 48 | 16 | 16 | 16 | 16 | 0 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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