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Surf Forecasts:
Castles surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 8 pm Saturday 02 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
23.6° C
(Which is 1.3°C colder than average for this time of year)How big are the waves at Castles today?
The current surf forecast for Castles at 4AM is: 0.7m 10s primary swell from a East-southeast direction and 0.2m 6s secondary swell from a North direction, 0.7m 4s secondary swell from a South-southeast direction (forecast issued at 08:00pm May 02). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (03 May) | 2.5ft (0.7m) | 10s |
| Afternoon (03 May) | 2.5ft (0.7m) | 9s |
| Evening (03 May) | 2.5ft (0.7m) | 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 28mm), heaviest during Mon morning. Warm (max 25°C on Sun afternoon, min 15°C on Mon night). Mainly fresh winds. | ||||||||||||||||||||||||
Sat 2 | Sunday 3 | Monday 4 | Tuesday 5 | |||||||||||||||||||||
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 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | N 6 | ESE 9 | ESE 9 | ESE 9 | E 9 | E 9 | E 9 | |
96 | 98 | 105 | 98 | 100 | 98 | 96 | 92 | 88 | 86 | 86 | 86 | 86 | 86 | 94 | 90 | 90 | 91 | 90 | 90 | 90 | 64 | 64 | 87 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross | |
High Tide | 7:57PM1.83m | 7:14AM1.98m | 8:32PM1.77m | 7:39AM1.96m | 9:06PM1.69m | 8:04AM1.91m | ||||||||||||||||||
Low Tide | 1:29AM0.74m | 1:59PM0.04m | 1:58AM0.82m | 2:32PM0.08m | 2:25AM0.90m | |||||||||||||||||||
 |  | | |  |  | | | |  |  |  |  | | | | | | | | | | | | |
 | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:48 | — | — | — | — |
 | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | 7:01 |
— | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 5 | 1 | — | — | 2 | 2 | 3 | 2 | 1 | 1 | 3 | |
Temp °C | 21 | 22 | 22 | 22 | 23 | 24 | 24 | 25 | 25 | 24 | 24 | 20 | 19 | 18 | 20 | 20 | 16 | 16 | 16 | 15 | 16 | 16 | 17 | 17 |
19 | 20 | 20 | 21 | 23 | 24 | 23 | 25 | 26 | 25 | 25 | 17 | 15 | 15 | 17 | 14 | 11 | 11 | 12 | 10 | 12 | 12 | 14 | 14 | |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | W 6 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | E 9 | E 9 | E 9 |
 kJ | 96 | 98 | 105 | 98 | 100 | 98 | 96 | 92 | 88 | 86 | 86 | 43 | 86 | 86 | 94 | 90 | 90 | 90 | 90 | 90 | 90 | 64 | 64 | 87 |
Swell 2 Height (m) Direction Period (s) | NNW 7 | NNW 7 | N 7 | N 6 | N 6 | N 6 | N 6 | N 6 | N 6 | N 6 | N 6 | ESE 9 | WSW 6 | W 6 | WNW 7 | WNW 7 | NW 6 | W 7 | NNW 6 | NNW 6 | NNW 7 | NNW 7 | NNW 7 | NNW 7 |
| kJ | 9 | 9 | 8 | 3 | 3 | 3 | 1 | 1 | 1 | 1 | 1 | 86 | 28 | 19 | 16 | 34 | 20 | 8 | 34 | 28 | 31 | 32 | 26 | 18 |
Swell 3 Height (m) Direction Period (s) | NE 9 | NE 8 | NE 8 | NE 8 | NE 8 | E 8 | — | — | — | — | N 6 | SSE 5 | SSE 5 | SSE 5 | WSW 6 | WSW 6 | W 7 | SW 6 | W 7 | W 6 | W 6 | W 6 | — | W 6 |
| kJ | 3 | 3 | 3 | 3 | 2 | 1 | — | — | — | — | 1 | 17 | 7 | 5 | 7 | 3 | 17 | 1 | 4 | 3 | 1 | 1 | — | 1 |
Wind waves Height (m) Direction Period (s) | SE 3 | SE 3 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | S 4 | S 5 | S 5 | SSW 5 | SSW 5 | WSW 6 | NNW 5 | N 6 | N 6 | N 5 | NNE 5 | N 6 | NE 4 | NE 4 | ENE 4 | ENE 4 | ENE 5 | E 5 |
| kJ | 2 | 5 | 8 | 13 | 16 | 28 | 38 | 43 | 47 | 41 | 48 | 28 | 56 | 106 | 92 | 45 | 59 | 91 | 24 | 27 | 26 | 36 | 47 | 66 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 92 | 605 | 605 | 588 | 588 | 588 | 588 | 588 | 94 | 94 | 48 | 720 | 720 | 731 | 772 | 697 | 63 | 32 | 29 | 29 | 29 | 32 | 588 | 588 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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