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Surf Forecasts:
Buma surfForecast / Okinawa / Japan
48hr Weather and Surf, issued 2 am Thursday 21 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 2.0°C colder than average for this time of year)How big are the waves at Buma today?
The current surf forecast for Buma at 8AM is: 0.5m 3s primary swell from a Southwest direction (forecast issued at 02:00am May 21). An open ocean swell of 0.8m 10s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 2ft (0.6m) | 4s |
| Afternoon (21 May) | 2ft (0.6m) | 5s |
| Evening (21 May) | 2.5ft (0.8m) | 6s |
Table - waves today at Buma. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 46mm), heaviest during Fri night. Warm (max 26°C on Sat night, min 23°C on Fri morning). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
ESE 10 | SW 3 | SW 3 | SSW 4 | SW 4 | WSW 5 | WSW 6 | W 6 | W 7 | E 11 | E 10 | ESE 9 | W 6 | WSW 6 | E 10 | E 9 | S 4 | SSW 4 | SSW 5 | WSW 6 | W 6 | W 6 | W 6 | W 6 | |
0 | 2 | 4 | 9 | 14 | 23 | 34 | 46 | 31 | 2 | 4 | 0 | 34 | 33 | 2 | 2 | 9 | 29 | 40 | 35 | 36 | 58 | 54 | 31 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | on | cross-on | cross-on | on | on | on | on | on | |
High Tide | 10:34PM1.72m | 9:30AM1.84m | 11:36PM1.64m | 10:30AM1.70m | 00:42AM1.59m | 11:47AM1.56m | ||||||||||||||||||
Low Tide | 3:52AM1.03m | 4:37PM0.21m | 4:55AM1.07m | 5:38PM0.38m | 6:14AM1.06m | 6:45PM0.54m | ||||||||||||||||||
 | |  |  | | | |  |  | |  |  | | | |  | |  | | | | |  |  | |
 | — | 5:37 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:10 | — | — | — | — | — | — | — | 7:10 | — | — | — | — | — | — | — | 7:12 | — |
— | — | — | — | — | — | — | — | — | — | — | 2 | 2 | 2 | 4 | 7 | 6 | 3 | 4 | 4 | 5 | 2 | 4 | 1 | |
Temp °C | 23 | 23 | 23 | 24 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 23 | 24 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 26 |
25 | 24 | 25 | 25 | 26 | 26 | 27 | 27 | 26 | 27 | 27 | 27 | 26 | 26 | 25 | 25 | 24 | 24 | 25 | 25 | 25 | 26 | 25 | 28 | |
Swell 1 Height (m) Direction Period (s) | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | W 6 | ESE 10 | ESE 10 | ESE 10 | WSW 6 | W 6 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | E 9 | SSE 5 | W 6 | SSE 5 | E 9 | W 6 |
 kJ | 148 | 107 | 107 | 107 | 96 | 105 | 98 | 46 | 74 | 72 | 71 | 40 | 34 | 68 | 68 | 68 | 68 | 49 | 44 | 15 | 36 | 16 | 43 | 31 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | ESE 10 | W 7 | E 10 | E 10 | ESE 9 | ESE 9 | W 6 | WSW 5 | WSW 5 | W 5 | W 6 | NNW 6 | E 9 | E 9 | E 9 | SE 5 | E 9 |
| kJ | — | — | — | — | — | — | — | 107 | 31 | 2 | 2 | 69 | 69 | 16 | 23 | 15 | 8 | 9 | 3 | 44 | 44 | 43 | 12 | 43 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | E 11 | NE 10 | — | — | — | E 10 | E 9 | E 9 | N 6 | N 9 | NNW 6 | NNW 8 | NNW 8 | NNW 7 | NNW 7 |
| kJ | — | — | — | — | — | — | — | — | — | 2 | 4 | — | — | — | 2 | 2 | 2 | 1 | 2 | 8 | 26 | 24 | 21 | 18 |
Wind waves Height (m) Direction Period (s) | — | SW 3 | SW 3 | SSW 4 | SW 4 | WSW 5 | WSW 6 | WSW 6 | WSW 7 | WSW 7 | WSW 7 | WSW 6 | WSW 6 | WSW 6 | SSW 3 | SSW 3 | S 4 | SSW 4 | SSW 5 | WSW 6 | S 4 | W 6 | W 6 | S 5 |
| kJ | — | 2 | 4 | 9 | 14 | 23 | 34 | 12 | 60 | 60 | 58 | 14 | 12 | 33 | 2 | 1 | 9 | 29 | 40 | 35 | 24 | 58 | 54 | 20 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 16 | 16 | 18 | 624 | 40 | 40 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 624 | 47 | 624 | 624 | 624 | 40 | 16 | 40 | 16 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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