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Surf Forecasts:
Buma surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 2 am Monday 18 May 2026 JSTForecast update in hr min s Forecast update imminent
Buma surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Buma sea temperature is
23.5° C
(Which is 1.9°C colder than average for this time of year)How big are the waves at Buma today?
The current surf forecast for Buma at 9AM is: 1.6m 8s primary swell from a East direction (forecast issued at 02:00am May 18). The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 5ft (1.6m) | 8s |
| Afternoon (18 May) | 5ft (1.5m) | 8s |
| Evening (18 May) | 5ft (1.5m) | 8s |
Table - waves today at Buma. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 4mm), mostly falling on Tue morning. 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 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | W 3 | W 4 | W 4 | W 4 | WSW 4 | WSW 3 | WSW 4 | WSW 4 | |
298 | 304 | 311 | 363 | 363 | 311 | 319 | 319 | 363 | 311 | 278 | 199 | 209 | 225 | 225 | 190 | 5 | 10 | 11 | 11 | 8 | 7 | 4 | 4 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | off | off | off | cross-off | glassy | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | cross-on | |
High Tide | 7:14AM2.06m | 8:46PM1.91m | 7:55AM2.03m | 9:38PM1.82m | 8:40AM1.95m | |||||||||||||||||||
Low Tide | 1:30AM0.83m | 2:03PM-0.10m | 2:13AM0.90m | 2:51PM-0.05m | 3:00AM0.97m | 3:42PM0.06m | ||||||||||||||||||
 | |  | |  |  | |  | |  | |  | | | |  | | | | | | | | | |
 | — | 5:39 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:08 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:09 | — |
— | — | — | — | — | — | — | — | — | 1 | — | 2 | — | 1 | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 22 | 21 | 21 | 22 | 23 | 23 | 22 | 22 | 23 | 22 | 23 | 24 | 25 | 25 | 25 | 24 | 23 | 23 | 23 | 24 | 24 | 25 | 24 | 23 |
20 | 19 | 19 | 20 | 21 | 21 | 20 | 21 | 24 | 23 | 26 | 28 | 28 | 27 | 27 | 27 | 25 | 26 | 25 | 26 | 25 | 26 | 26 | 25 | |
Swell 1 Height (m) Direction Period (s) | SE 12 | SE 12 | SE 12 | — | — | — | — | — | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | ESE 9 | ESE 8 | ESE 8 | ESE 9 | ESE 8 | ESE 10 | ESE 10 | ESE 10 |
 kJ | 6 | 6 | 6 | — | — | — | — | — | 363 | 311 | 278 | 199 | 209 | 225 | 225 | 190 | 158 | 154 | 127 | 131 | 70 | 129 | 132 | 132 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | NNE 5 | N 5 | — | NNE 5 | N 5 | — | ESE 10 | ESE 10 | WNW 4 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 4 | — | 2 | 2 | — | 116 | 58 | 1 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WNW 4 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | — | — | — |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | — | — | — | — | — | — | — | — | W 3 | W 4 | W 4 | W 4 | WSW 4 | WSW 3 | WSW 4 | WSW 4 |
| kJ | 298 | 304 | 311 | 363 | 363 | 311 | 319 | 319 | — | — | — | — | — | — | — | — | 5 | 10 | 11 | 11 | 8 | 7 | 4 | 4 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 27 | 27 | 32 | 32 | 27 | 0 | 34 | 34 | 0 | 0 | 0 | 0 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 18 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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