Surf Forecasts:
How big are the waves at Yona Bay today (20 Jun):
- Morning surf: Morning surf (20 Jun, local time) - 1ft (0.3m), 9s period with E swell.
- Afternoon surf: Afternoon surf (20 Jun, local time) - 0.5ft (0.2m), 10s period with ENE swell.
- Evening surf: Evening surf (20 Jun, local time) - 1ft (0.3m), 9s period with E swell.
The current surf forecast for Yona Bay at 6AM is: 0.3m 9s primary swell from a East direction (forecast issued at 02:00am June 20). An open ocean swell of 0.4m 7s is not directed at the surf break, a second open ocean swell of 0.4m 10s is not directed at the surf break, a second open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Jun) | 1ft (0.3m) | 9s |
| Afternoon (20 Jun) | 0.5ft (0.2m) | 10s |
| Evening (20 Jun) | 1ft (0.3m) | 9s |
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 28°C on Sat morning, min 24°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 20 | Sunday 21 | Monday 22 | ||||||||||||||||||||||
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 9 | E 9 | E 9 | E 9 | E 9 | ENE 10 | E 9 | E 9 | E 8 | W 8 | E 8 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | NE 10 | N 7 | NNW 7 | W 6 | NNW 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 15 | 15 | 14 | 14 | 14 | 9 | 14 | 13 | 6 | 60 | 5 | 54 | 51 | 35 | 48 | 36 | 36 | 34 | 22 | 4 | 1 | 5 | 13 | 4 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | cross | cross | cross | cross-on | cross | cross-off | cross | cross | cross-off | cross-off | glassy | cross-off | cross | cross-off |
High Tide | 10:52PM1.77m | 10:18AM1.76m | 11:38PM1.73m | 11:19AM1.62m | 00:27AM1.70m | 12:34PM1.49m | ||||||||||||||||||
Low Tide | 4:36AM0.88m | 5:00PM0.41m | 5:36AM0.87m | 5:49PM0.59m | 6:45AM0.84m | 6:44PM0.76m | ||||||||||||||||||
 |  |  |  | | | | | | | | | | | | | | | | | | | | | |
 | — | 5:33 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:22 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 26 | 28 | 28 | 27 | 26 | 25 | 25 | 25 | 26 | 27 | 27 | 27 | 26 | 25 | 25 | 24 | 26 | 27 | 28 | 27 | 25 |
Feels °C | 27 | 28 | 28 | 27 | 30 | 31 | 30 | 30 | 28 | 28 | 28 | 29 | 30 | 30 | 30 | 30 | 28 | 29 | 27 | 29 | 31 | 31 | 30 | 28 |
Swell 1 Height (m) Direction Period (s) | WSW 6 | SE 10 | WSW 7 | WSW 7 | W 6 | SE 10 | WSW 6 | WSW 7 | WSW 8 | W 8 | WSW 8 | W 7 | W 7 | W 7 | W 7 | W 7 | ESE 9 | ESE 9 | SE 11 | SE 11 | SE 10 | SE 10 | SE 11 | SE 11 |
| kJ | 6 | 25 | 15 | 15 | 21 | 23 | 47 | 55 | 81 | 60 | 83 | 54 | 51 | 35 | 48 | 36 | 50 | 52 | 185 | 172 | 177 | 200 | 249 | 268 |
Swell 2 Height (m) Direction Period (s) | SE 10 | WSW 6 | SE 10 | SE 10 | SE 10 | E 9 | SE 9 | SE 9 | ESE 9 | SE 9 | SE 9 | SE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 6 | WSW 6 |
| kJ | 25 | 6 | 24 | 24 | 23 | 6 | 22 | 22 | 32 | 40 | 39 | 39 | 52 | 50 | 50 | 50 | 36 | 34 | 22 | 23 | 24 | 23 | 13 | 13 |
Swell 3 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | E 9 | ENE 10 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | NE 9 | NE 9 | SE 11 | SE 13 | SE 13 | SE 12 | NE 9 | NE 10 | N 7 | NNW 7 | NNW 7 | NNW 7 |
| kJ | 15 | 15 | 14 | 14 | 14 | 9 | 14 | 13 | 6 | 5 | 5 | 6 | 3 | 3 | 5 | 7 | 42 | 51 | 3 | 4 | 1 | 5 | 5 | 4 |
Wind waves Height (m) Direction Period (s) | SSW 3 | S 3 | S 3 | S 3 | S 4 | WSW 6 | — | WSW 7 | WSW 8 | S 3 | WSW 8 | SW 7 | SW 6 | SSW 2 | SW 6 | — | SW 7 | — | — | — | — | — | — | — |
| kJ | 3 | 5 | 6 | 8 | 6 | 35 | — | 35 | 51 | 2 | 35 | 13 | 6 | 1 | 6 | — | 7 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 920 | 66 | 645 | 646 | 908 | 14 | 14 | 14 | 14 | 0 | 14 | 14 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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