Surf Forecasts:
How big are the waves at Yona Bay today (18 Jun):
- Afternoon surf: Afternoon surf (18 Jun, local time) - 1ft (0.3m), 9s period with E swell.
- Evening surf: Evening surf (18 Jun, local time) - 1ft (0.3m), 9s period with E swell.
The current surf forecast for Yona Bay at 7PM is: 0.3m 9s primary swell from a East direction and 0.4m 6s secondary swell from a West direction, 0.3m 8s secondary swell from a East-northeast direction (forecast issued at 02:00pm June 18). An open ocean swell of 0.4m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jun) | - | - |
| Afternoon (18 Jun) | 1ft (0.3m) | 9s |
| Evening (18 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 Thu afternoon, min 25°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 18 | Friday 19 | Saturday 20 | Sun 21 | |||||||||||||||||||||
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 | 12 AM | 3 AM | 6 AM | 9 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | NE 8 | E 9 | E 9 | E 9 | W 7 | E 9 | E 9 | E 9 | W 7 | E 9 | E 9 | SW 6 | E 9 | E 9 | W 7 | W 7 | W 6 | W 7 | W 7 | E 9 | W 8 | E 8 | E 8 | E 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 18 | 15 | 15 | 15 | 8 | 15 | 15 | 15 | 15 | 15 | 15 | 20 | 15 | 15 | 33 | 32 | 41 | 43 | 63 | 13 | 80 | 5 | 5 | 6 |
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-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 10:07PM1.81m | 9:24AM1.88m | 10:52PM1.77m | 10:18AM1.76m | 11:38PM1.73m | |||||||||||||||||||
Low Tide | 3:27PM0.10m | 3:42AM0.89m | 4:13PM0.24m | 4:36AM0.88m | 5:00PM0.41m | 5:36AM0.87m | ||||||||||||||||||
 | |  |  |  | | | | | | | | | | | | | | | |  | | | | |
 | — | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:33 | — | — |
 | — | — | 7:22 | — | — | — | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:22 | — | — | — | — | 7:22 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 28 | 27 | 26 | 25 | 25 | 25 | 26 | 27 | 28 | 27 | 25 | 25 | 25 | 25 | 27 | 28 | 28 | 27 | 26 | 25 | 25 | 25 | 26 |
Feels °C | 31 | 31 | 30 | 30 | 28 | 29 | 28 | 29 | 29 | 31 | 30 | 28 | 28 | 28 | 28 | 29 | 30 | 31 | 30 | 29 | 28 | 28 | 28 | 28 |
Swell 1 Height (m) Direction Period (s) | W 6 | WSW 6 | W 6 | WSW 6 | W 7 | E 9 | E 9 | W 6 | W 7 | WSW 6 | SE 10 | SE 10 | WSW 6 | W 6 | W 7 | W 7 | W 6 | W 7 | W 7 | WSW 8 | W 8 | WSW 8 | SE 9 | WSW 8 |
| kJ | 12 | 12 | 10 | 10 | 8 | 15 | 15 | 12 | 15 | 13 | 24 | 24 | 11 | 18 | 33 | 32 | 41 | 43 | 63 | 104 | 80 | 94 | 39 | 81 |
Swell 2 Height (m) Direction Period (s) | NE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | E 9 | E 9 | SE 10 | E 9 | E 9 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 | ESE 9 | SE 9 | E 8 | SE 9 |
| kJ | 18 | 14 | 14 | 7 | 7 | 7 | 8 | 15 | 15 | 15 | 15 | 14 | 25 | 25 | 24 | 24 | 23 | 23 | 22 | 22 | 32 | 40 | 5 | 39 |
Swell 3 Height (m) Direction Period (s) | E 10 | E 9 | E 9 | E 9 | SE 10 | SE 9 | ESE 9 | SE 9 | SE 9 | E 9 | ENE 10 | ENE 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | NE 9 | E 8 |
| kJ | 16 | 15 | 15 | 15 | 14 | 3 | 8 | 13 | 14 | 15 | 10 | 10 | 15 | 15 | 14 | 6 | 6 | 14 | 13 | 13 | 6 | 5 | 3 | 6 |
Wind waves Height (m) Direction Period (s) | SSW 6 | SSW 3 | SSW 6 | SSW 3 | SSW 3 | SW 6 | SW 6 | SSW 3 | S 3 | S 4 | SW 6 | SW 6 | S 3 | S 4 | S 4 | S 4 | S 4 | S 4 | SSW 4 | SSW 4 | SSW 3 | SSW 4 | WSW 7 | SSW 3 |
| kJ | 15 | 6 | 14 | 3 | 4 | 25 | 19 | 3 | 5 | 6 | 29 | 20 | 5 | 9 | 10 | 10 | 11 | 7 | 5 | 7 | 3 | 7 | 73 | 5 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 628 | 14 | 639 | 622 | 597 | 605 | 645 | 597 | 645 | 920 | 922 | 66 | 605 | 605 | 66 | 664 | 953 | 1230 | 0 | 66 | 0 | 14 | 14 | 14 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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