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Surf Forecasts:
Castles surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 8 pm Sunday 26 Apr 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
23.8° C
(Which is slightly cooler than normal)How big are the waves at Castles today?
The current surf forecast for Castles at 5AM is: 0.9m 10s primary swell from a Northeast direction and 0.4m 13s secondary swell from a Southeast direction (forecast issued at 08:00pm April 26). An open ocean swell of 0.4m 4s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Apr) | 3ft (0.9m) | 10s |
| Afternoon (27 Apr) | 2.5ft (0.8m) | 10s |
| Evening (27 Apr) | 2.5ft (0.8m) | 9s |
Table - waves today at Castles. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Wed afternoon. Warm (max 22°C on Mon afternoon, min 19°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sun 26 | Monday 27 | Tuesday 28 | Wednesday 29 | |||||||||||||||||||||
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 |   |    |    |    | ||||||||||||||||||||
NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | SE 7 | |
142 | 142 | 142 | 142 | 142 | 142 | 125 | 122 | 120 | 113 | 76 | 73 | 71 | 53 | 50 | 41 | 40 | 27 | 26 | 26 | 26 | 26 | 21 | 13 | |
Wind (km/h) | ||||||||||||||||||||||||
off | cross-off | off | off | cross-off | cross-off | off | cross-off | cross-off | cross | glassy | on | on | cross-on | on | on | on | on | on | on | on | on | on | on | |
High Tide | 3:11PM1.55m | 4:21AM1.60m | 4:24PM1.66m | 4:54AM1.70m | 5:18PM1.76m | 5:24AM1.80m | ||||||||||||||||||
Low Tide | 9:45PM0.53m | 10:17AM0.72m | 10:38PM0.54m | 11:02AM0.50m | 11:20PM0.55m | 11:41AM0.31m | ||||||||||||||||||
 |  | | | | | | | | | |  |  | | |  | |  | | | | | | | |
 | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — |
 | 6:57 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — | 6:59 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 21 | 20 | 20 | 20 | 19 | 20 | 21 | 22 | 21 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 |
19 | 18 | 18 | 18 | 17 | 18 | 19 | 20 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 21 | 21 | 21 | |
Swell 1 Height (m) Direction Period (s) | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
 kJ | 142 | 142 | 142 | 142 | 142 | 142 | 125 | 122 | 120 | 113 | 76 | 73 | 71 | 53 | 50 | 41 | 40 | 27 | 26 | 26 | 26 | 26 | 21 | 13 |
Swell 2 Height (m) Direction Period (s) | ESE 11 | SSE 4 | SSE 4 | SSE 4 | SE 13 | SE 12 | SE 12 | SE 12 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 |
| kJ | 12 | 4 | 4 | 4 | 43 | 38 | 37 | 37 | 18 | 18 | 11 | 17 | 16 | 15 | 15 | 14 | 9 | 19 | 18 | 17 | 17 | 17 | 12 | 11 |
Swell 3 Height (m) Direction Period (s) | S 4 | ESE 11 | ESE 11 | SE 11 | ESE 13 | ESE 12 | ESE 12 | NNW 5 | NNW 6 | NNW 6 | N 5 | N 5 | N 5 | N 5 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 11 | SE 11 | SE 11 | SE 11 | E 10 |
| kJ | 1 | 12 | 12 | 5 | 16 | 14 | 14 | 6 | 6 | 6 | 2 | 2 | 2 | 2 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 2 |
Wind waves Height (m) Direction Period (s) | NNW 6 | NNW 3 | NNW 4 | NW 4 | NW 5 | NNW 5 | NNW 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 2 | SE 3 | SE 3 | SE 4 |
| kJ | 13 | 4 | 6 | 4 | 6 | 5 | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 3 | 4 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | 92 | 94 | 23 | 94 | 608 | 608 | 605 | 605 | 605 | 605 | 596 | 1309 | 697 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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