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Surf Forecasts:
Yonabaru surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 2 am Monday 18 May 2026 JSTForecast update in hr min s Forecast update imminent
Yonabaru surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Yonabaru sea temperature is
23.9° C
(Which is 1.6°C colder than average for this time of year)How big are the waves at Yonabaru today?
The current surf forecast for Yonabaru at 7AM is: 1.8m 8s primary swell from a East direction and 0.1m 12s secondary swell from a Southeast direction (forecast issued at 02:00am May 18). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 6ft (1.8m) | 8s |
| Afternoon (18 May) | 5.5ft (1.7m) | 9s |
| Evening (18 May) | 6ft (1.8m) | 9s |
Table - waves today at Yonabaru. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 25°C on Tue morning, min 22°C on Mon morning). Wind will be generally light. | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | ||||||||||||||||||||||
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 | 6 PM | 9 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | |
443 | 454 | 465 | 465 | 476 | 425 | 425 | 476 | 465 | 405 | 324 | 277 | 290 | 264 | 281 | 281 | 232 | 207 | 212 | 181 | 181 | 207 | 184 | 184 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | on | on | cross-on | cross-on | cross-on | cross | cross | glassy | cross-off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | |
High Tide | 6:54AM2.06m | 8:28PM1.85m | 7:28AM2.04m | 9:11PM1.80m | 8:05AM1.98m | |||||||||||||||||||
Low Tide | 1:10AM0.90m | 1:45PM0.02m | 1:46AM0.97m | 2:25PM0.06m | 2:25AM1.03m | 3:07PM0.14m | ||||||||||||||||||
 | |  | |  |  | |  |  | | | | | | | | | | | | | | | | |
 | — | 5:41 | — | — | — | — | — | — | — | 5:41 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:08 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:09 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 22 | 22 | 21 | 22 | 22 | 23 | 22 | 22 | 23 | 22 | 22 | 24 | 25 | 25 | 24 | 24 | 24 | 23 | 23 | 24 | 25 | 25 | 24 | 23 |
20 | 20 | 19 | 20 | 20 | 22 | 21 | 21 | 25 | 24 | 25 | 27 | 27 | 26 | 26 | 27 | 27 | 25 | 25 | 26 | 26 | 26 | 26 | 25 | |
Swell 1 Height (m) Direction Period (s) | ESE 13 | SE 12 | SE 12 | — | — | — | — | — | E 8 | E 8 | E 8 | E 8 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 |
 kJ | 16 | 6 | 6 | — | — | — | — | — | 465 | 405 | 324 | 277 | 290 | 264 | 281 | 281 | 232 | 207 | 212 | 181 | 181 | 207 | 184 | 184 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WNW 4 | WNW 4 | NW 4 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 1 | 1 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | ESE 10 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 10 | — | — | — |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | — | — | — | — | — | NNW 5 | WNW 3 | W 3 | W 3 | W 4 | W 4 | SW 3 | SW 3 | SW 3 | SW 3 | WSW 3 |
| kJ | 443 | 454 | 465 | 465 | 476 | 425 | 425 | 476 | — | — | — | — | — | 5 | 1 | 3 | 3 | 6 | 4 | 1 | 2 | 2 | 3 | 2 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 34 | 0 | 0 | 33 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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