Surf Forecasts:
How big are the waves at Yona Bay today (21 Jun):
- Morning surf: Morning surf (21 Jun, local time) - 2.5ft (0.7m), 7s period with W swell.
- Afternoon surf: Afternoon surf (21 Jun, local time) - 2ft (0.6m), 7s period with W swell.
- Evening surf: Evening surf (21 Jun, local time) - 2ft (0.6m), 7s period with W swell.
The current surf forecast for Yona Bay at 6AM is: 0.7m 8s primary swell from a West direction (forecast issued at 02:00am June 21). An open ocean swell of 0.5m 9s is not directed at the surf break, a second open ocean swell of 0.4m 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 (21 Jun) | 2.5ft (0.7m) | 7s |
| Afternoon (21 Jun) | 2ft (0.6m) | 7s |
| Evening (21 Jun) | 2ft (0.6m) | 7s |
Table - waves today at Yona Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 29°C on Tue afternoon, min 24°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 21 | Monday 22 | Tuesday 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 |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | E 8 | W 8 | W 8 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | SE 12 | W 7 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | E 8 | E 9 | SSE 12 | E 8 | ENE 12 | E 8 | ENE 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 6 | 61 | 58 | 52 | 37 | 36 | 34 | 34 | 23 | 0 | 21 | 13 | 12 | 12 | 12 | 7 | 7 | 12 | 13 | 0 | 12 | 14 | 12 | 14 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross | cross | cross-on | cross-off | cross | cross-off | cross-off | cross-off | cross | glassy | glassy | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 11:38PM1.73m | 11:19AM1.62m | 00:27AM1.70m | 12:34PM1.49m | 1:19AM1.68m | 2:05PM1.42m | ||||||||||||||||||
Low Tide | 5:36AM0.87m | 5:49PM0.59m | 6:45AM0.84m | 6:44PM0.76m | 7:59AM0.79m | 7:45PM0.91m | ||||||||||||||||||
 | |  | | | | | | |  | | | | | | | | | | | | | | | |
 | — | 5:33 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:23 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 26 | 27 | 27 | 27 | 26 | 25 | 25 | 24 | 26 | 27 | 27 | 27 | 26 | 25 | 25 | 25 | 27 | 28 | 29 | 28 | 27 |
Feels °C | 28 | 28 | 28 | 29 | 30 | 30 | 31 | 30 | 29 | 29 | 26 | 29 | 31 | 30 | 31 | 30 | 29 | 29 | 29 | 32 | 32 | 33 | 32 | 31 |
Swell 1 Height (m) Direction Period (s) | WSW 8 | W 8 | W 8 | W 7 | W 7 | W 7 | W 7 | ESE 9 | ESE 9 | ESE 9 | SE 11 | SE 11 | SE 10 | SE 10 | SE 10 | SE 10 | SE 12 | SE 13 | SSE 12 | SSE 12 | SSE 11 | SSE 11 | SSE 11 | SSE 10 |
| kJ | 65 | 61 | 58 | 52 | 37 | 36 | 34 | 50 | 50 | 52 | 189 | 179 | 184 | 212 | 231 | 251 | 349 | 604 | 669 | 680 | 613 | 581 | 444 | 419 |
Swell 2 Height (m) Direction Period (s) | SE 9 | SE 9 | SE 9 | SE 9 | ESE 9 | ESE 9 | ESE 9 | W 7 | W 7 | W 7 | W 7 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | E 9 | ESE 8 | E 8 | W 6 | E 8 | SE 12 |
| kJ | 29 | 40 | 39 | 39 | 52 | 50 | 50 | 34 | 23 | 24 | 21 | 13 | 12 | 12 | 12 | 7 | 7 | 7 | 13 | 14 | 12 | 3 | 12 | 22 |
Swell 3 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | NE 9 | NE 9 | SE 11 | ESE 14 | SE 13 | SE 12 | NE 9 | NE 10 | NE 10 | NE 10 | NW 7 | NW 6 | SSE 16 | E 8 | WSW 6 | WSW 6 | WSW 6 | ENE 12 | ESE 12 | ENE 12 |
| kJ | 6 | 5 | 5 | 6 | 3 | 3 | 5 | 18 | 44 | 73 | 3 | 4 | 4 | 4 | 2 | 2 | 51 | 12 | 7 | 7 | 7 | 14 | 14 | 14 |
Wind waves Height (m) Direction Period (s) | SSW 3 | SW 7 | SW 7 | SW 7 | SW 7 | SSW 2 | SW 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 4 | 12 | 13 | 8 | 8 | 1 | 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 14 | 0 | 0 | 14 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 14 | 14 | 14 | 14 | 14 | 14 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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