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Surf Forecasts:
Castles surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 2 pm Friday 01 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 1.2°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: 0.6m 9s primary swell from a East-southeast direction and 0.3m 10s secondary swell from a East-southeast direction (forecast issued at 02:00pm May 01). An open ocean swell of 0.9m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 May) | - | - |
| Afternoon (01 May) | 2ft (0.6m) | 8s |
| Evening (01 May) | 2ft (0.6m) | 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 6mm), mostly falling on Sun night. Warm (max 25°C on Sun morning, min 18°C on Fri night). Mainly fresh winds. | ||||||||||||||||||||||||
Fri 1 | Saturday 2 | Sunday 3 | Mon 4 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
E 8 | ESE 8 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | 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 | |
33 | 55 | 55 | 66 | 66 | 69 | 94 | 94 | 100 | 98 | 96 | 98 | 96 | 98 | 98 | 98 | 96 | 92 | 88 | 86 | 86 | 86 | 86 | 86 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross | cross | cross | cross-on | cross-on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-off | cross-off | |
High Tide | 7:21PM1.87m | 6:48AM1.98m | 7:57PM1.83m | 7:14AM1.98m | 8:32PM1.77m | 7:39AM1.96m | ||||||||||||||||||
Low Tide | 12:52PM0.07m | 1:00AM0.67m | 1:26PM0.03m | 1:29AM0.74m | 1:59PM0.04m | 1:58AM0.82m | ||||||||||||||||||
 | | |  | | | | | | | | |  | |  | | |  | | | |  |  | | |
 | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — |
 | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | 7:01 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 3 | 1 | |
Temp °C | 19 | 20 | 19 | 19 | 18 | 18 | 19 | 19 | 20 | 21 | 21 | 21 | 22 | 22 | 23 | 24 | 25 | 25 | 25 | 24 | 24 | 25 | 20 | 20 |
14 | 16 | 15 | 16 | 15 | 15 | 16 | 17 | 17 | 19 | 20 | 19 | 21 | 22 | 23 | 24 | 25 | 25 | 26 | 25 | 24 | 26 | 17 | 16 | |
Swell 1 Height (m) Direction Period (s) | E 8 | ESE 8 | ESE 8 | ESE 9 | NW 7 | ESE 9 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | SW 5 | ESE 9 |
 kJ | 33 | 55 | 55 | 66 | 44 | 69 | 94 | 94 | 100 | 98 | 96 | 98 | 96 | 98 | 98 | 98 | 96 | 92 | 88 | 86 | 86 | 86 | 45 | 86 |
Swell 2 Height (m) Direction Period (s) | SW 6 | ESE 10 | ESE 10 | SW 6 | ESE 9 | NW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 7 | NNW 7 | N 6 | N 6 | N 6 | N 6 | N 6 | N 6 | N 6 | N 6 | N 6 | — | ESE 9 | S 5 |
| kJ | 6 | 19 | 19 | 1 | 66 | 13 | 24 | 23 | 14 | 14 | 9 | 9 | 7 | 3 | 3 | 3 | 1 | 1 | 1 | 1 | 1 | — | 86 | 17 |
Swell 3 Height (m) Direction Period (s) | ESE 10 | SW 6 | WSW 6 | SW 6 | SW 6 | N 7 | SW 5 | NE 8 | NE 10 | NE 9 | NE 9 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | — | — | — | — | — | W 6 |
| kJ | 18 | 6 | 3 | 1 | 1 | 15 | 1 | 3 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 3 | 3 | — | — | — | — | — | 16 |
Wind waves Height (m) Direction Period (s) | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NE 4 | NE 4 | ENE 4 | ENE 3 | E 3 | ESE 3 | ESE 3 | SE 3 | SE 4 | SE 4 | SSE 4 | SSE 4 | SSE 4 | S 4 | S 5 | S 5 | SSW 5 | SSW 5 | — | NNW 4 |
| kJ | 147 | 105 | 79 | 73 | 6 | 5 | 5 | 4 | 3 | 3 | 4 | 7 | 15 | 17 | 28 | 26 | 34 | 40 | 43 | 46 | 49 | 44 | — | 46 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1078 | 1309 | 720 | 29 | 29 | 17 | 32 | 41 | 92 | 94 | 605 | 605 | 605 | 605 | 588 | 588 | 588 | 607 | 94 | 94 | 94 | 48 | 719 | 697 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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