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Surf Forecasts:
Castles surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 2 pm Thursday 14 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
24.2° 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 7PM is: 0.8m 9s primary swell from a East-southeast direction and 0.5m 9s secondary swell from a East-northeast direction, 0.4m 3s secondary swell from a East-southeast direction (forecast issued at 02:00pm May 14). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 May) | - | - |
| Afternoon (14 May) | 2.5ft (0.8m) | 10s |
| Evening (14 May) | 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 ForecastMostly dry. Warm (max 23°C on Thu afternoon, min 21°C on Sat night). Mainly fresh winds. | ||||||||||||||||||||||||
Thu 14 | Friday 15 | Saturday 16 | Sun 17 | |||||||||||||||||||||
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 | 6 AM | 9 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ESE 10 | ESE 10 | ESE 9 | ESE 9 | E 9 | ESE 9 | E 5 | E 9 | E 6 | E 6 | E 6 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | |
123 | 120 | 115 | 115 | 133 | 90 | 69 | 383 | 164 | 212 | 233 | 302 | 348 | 349 | 349 | 343 | 392 | 446 | 458 | 531 | 558 | 533 | 493 | 489 | |
Wind (km/h) | ||||||||||||||||||||||||
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-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | |
High Tide | 5:23PM1.89m | 5:08AM2.00m | 6:15PM1.98m | 5:48AM2.10m | 7:05PM2.02m | 6:28AM2.16m | ||||||||||||||||||
Low Tide | 10:59AM0.27m | 11:15PM0.64m | 11:45AM0.06m | 00:01AM0.66m | 12:30PM-0.10m | 00:44AM0.71m | ||||||||||||||||||
 | | |  |  | | |  | | |  |  | | | | | | | | | | | | | |
 | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:41 | — | — |
 | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | 7:08 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 23 | 23 | 23 | 23 | 22 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 21 | 22 |
22 | 22 | 22 | 22 | 22 | 20 | 20 | 20 | 19 | 19 | 20 | 18 | 19 | 19 | 19 | 19 | 20 | 19 | 19 | 18 | 19 | 19 | 17 | 18 | |
Swell 1 Height (m) Direction Period (s) | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | SE 12 | SE 12 | ESE 11 | E 10 | SE 11 | SE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | SE 10 | ESE 14 | ESE 14 | ESE 14 | ESE 14 | ESE 14 |
 kJ | 123 | 120 | 115 | 115 | 88 | 90 | 69 | 6 | 6 | 13 | 55 | 31 | 5 | 12 | 12 | 23 | 12 | 11 | 4 | 19 | 18 | 18 | 18 | 18 |
Swell 2 Height (m) Direction Period (s) | SSE 7 | ENE 9 | ENE 9 | SSE 7 | SSE 7 | SSE 7 | SSE 6 | S 6 | S 6 | S 6 | SE 12 | S 6 | SE 15 | SE 15 | SE 15 | ESE 11 | SE 15 | SE 14 | SE 14 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 |
| kJ | 9 | 46 | 47 | 9 | 4 | 4 | 4 | 3 | 3 | 3 | 5 | 1 | 9 | 9 | 9 | 12 | 8 | 8 | 8 | 4 | 4 | 4 | 4 | 4 |
Swell 3 Height (m) Direction Period (s) | SSE 7 | SSE 7 | SSE 7 | SE 12 | SE 12 | SE 12 | SE 12 | SE 16 | SE 16 | SE 16 | S 6 | SE 16 | S 6 | S 6 | SE 15 | SE 15 | — | N 8 | N 7 | — | — | — | — | — |
| kJ | 9 | 9 | 9 | 6 | 6 | 6 | 6 | 10 | 10 | 10 | 1 | 10 | 1 | 1 | 8 | 8 | — | 1 | 1 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ENE 9 | E 3 | ESE 3 | E 9 | E 9 | E 4 | E 5 | E 9 | E 6 | E 6 | E 6 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | 64 | 3 | 3 | 106 | 133 | 39 | 55 | 383 | 164 | 212 | 233 | 302 | 348 | 349 | 349 | 343 | 392 | 446 | 458 | 531 | 558 | 533 | 493 | 489 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 32 | 32 | 588 | 588 | 588 | 588 | 605 | 687 | 770 | 687 | 687 | 687 | 29 | 29 | 29 | 687 | 1098 | 1078 | 687 | 687 | 29 | 29 | 29 | 29 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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