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Castles surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 2 am Friday 20 Feb 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
21.8° C
(Which is normal for this time of year)How big are the waves at Castles today?
The current surf forecast for Castles at 7AM is: 0.5m 11s primary swell from a East direction (forecast issued at 02:00am February 20). An open ocean swell of 0.4m 7s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Feb) | 1.5ft (0.5m) | 11s |
| Afternoon (20 Feb) | 2.5ft (0.7m) | 10s |
| Evening (20 Feb) | 2.5ft (0.7m) | 12s |
Table - waves today at Castles. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 20 | Saturday 21 | Sunday 22 | ||||||||||||||||||||||
| 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 11 | 11 | 11 | 10 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 6 | 6 | 13 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 62 | 59 | 61 | 61 | 114 | 108 | 110 | 132 | 134 | 101 | 101 | 101 | 97 | 47 | 71 | 71 | 101 | 76 | 77 | 99 | 101 | 117 | 112 | 87 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | glass | glass | glass | cross- on | glass | cross | cross- on | on | cross- on | on | on | on | on | on | on | on | on | on | on | cross- on | cross- on | on | cross- on |
High Tide / height (m) | 8:45AM 1.83 | 8:59PM 1.91 | 9:13AM 1.82 | 9:42PM 1.78 | 9:42AM 1.80 | |||||||||||||||||||
Low Tide / height (m) | 2:39AM 0.08 | 2:51PM 0.18 | 3:12AM 0.23 | 3:30PM 0.15 | 3:45AM 0.41 | 4:13PM 0.16 | ||||||||||||||||||
Friday 20 | Saturday 21 | Sunday 22 | ||||||||||||||||||||||
| Sunrise | - | - | - | 7:01 | - | - | - | - | - | - | - | 7:00 | - | - | - | - | - | - | - | 6:58 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:23 | - | - | - | - | - | - | - | 6:24 | - | - | - | - | - | - | - | 6:25 | - |
 | |  |  | |  |  | | | | | | | | | | | | | | | | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 |
| Feels °C (?) | 15 | 16 | 16 | 17 | 16 | 17 | 17 | 16 | 15 | 17 | 18 | 17 | 16 | 16 | 16 | 15 | 14 | 15 | 15 | 17 | 17 | 18 | 19 | 18 |
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Castles surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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