Surf Forecasts:
How big are the waves at Yona Bay today (17 Jul):
- Morning surf: Morning surf (17 Jul, local time) - 2ft (0.6m), 5s period with WSW swell.
- Afternoon surf: Afternoon surf (17 Jul, local time) - 2.5ft (0.7m), 5s period with WSW swell.
- Evening surf: Evening surf (17 Jul, local time) - 2ft (0.6m), 6s period with W swell.
The current surf forecast for Yona Bay at 11AM is: 0.6m 5s primary swell from a West-southwest direction and 0.3m 10s secondary swell from a East direction, 0.3m 8s secondary swell from a West direction (forecast issued at 02:00am July 17). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Jul) | 2ft (0.6m) | 5s |
| Afternoon (17 Jul) | 2.5ft (0.7m) | 5s |
| Evening (17 Jul) | 2ft (0.6m) | 6s |
Table - waves today at Yona Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 30°C on Sun afternoon, min 27°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 17 | Saturday 18 | Sunday 19 | ||||||||||||||||||||||
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 10 | E 10 | WSW 5 | E 10 | E 10 | WSW 5 | E 10 | W 6 | W 6 | W 6 | W 7 | W 8 | W 8 | W 8 | W 7 | W 7 | ENE 10 | W 9 | W 8 | W 8 | W 8 | W 7 | W 7 | ENE 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 29 | 30 | 18 | 18 | 20 | 29 | 17 | 27 | 27 | 29 | 37 | 51 | 50 | 42 | 39 | 27 | 31 | 57 | 49 | 44 | 41 | 39 | 37 | 28 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross-off | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross-off | cross | glassy | glassy | cross-off | cross-off | off | off |
High Tide | 9:02PM1.95m | 8:32AM2.07m | 9:37PM1.94m | 9:16AM1.99m | 10:11PM1.92m | 10:02AM1.86m | ||||||||||||||||||
Low Tide | 2:43AM0.79m | 3:10PM0.19m | 3:25AM0.74m | 3:47PM0.33m | 4:09AM0.72m | 4:24PM0.50m | ||||||||||||||||||
 | |  | | | | |  | | | | | | | | | | | | | | | | | |
 | — | 5:43 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:21 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 27 | 28 | 29 | 29 | 29 | 27 | 27 | 27 | 27 | 28 | 29 | 29 | 29 | 28 | 28 | 27 | 28 | 28 | 29 | 30 | 30 | 28 |
Feels °C | 30 | 30 | 30 | 31 | 32 | 31 | 32 | 31 | 31 | 32 | 32 | 32 | 33 | 34 | 34 | 33 | 33 | 32 | 33 | 33 | 33 | 33 | 34 | 32 |
Swell 1 Height (m) Direction Period (s) | E 10 | E 10 | E 9 | E 10 | E 10 | E 10 | WSW 6 | W 6 | W 6 | W 6 | W 7 | W 8 | W 8 | W 8 | W 7 | W 7 | W 7 | W 9 | W 8 | W 8 | W 8 | W 7 | W 7 | W 7 |
| kJ | 29 | 30 | 16 | 17 | 17 | 16 | 34 | 27 | 27 | 29 | 37 | 51 | 50 | 42 | 39 | 27 | 27 | 57 | 49 | 44 | 41 | 39 | 37 | 27 |
Swell 2 Height (m) Direction Period (s) | SW 9 | SW 9 | SW 9 | SW 9 | W 8 | SW 9 | E 10 | SSW 8 | E 10 | SW 8 | SW 8 | SW 8 | SW 7 | SW 7 | SW 7 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | ENE 9 | SW 8 | SW 8 | SW 8 |
| kJ | 13 | 12 | 12 | 12 | 10 | 12 | 17 | 28 | 17 | 17 | 32 | 29 | 27 | 17 | 11 | 16 | 16 | 22 | 22 | 21 | 29 | 15 | 21 | 21 |
Swell 3 Height (m) Direction Period (s) | S 7 | S 7 | S 7 | W 8 | SW 9 | SE 10 | SW 9 | E 10 | SW 8 | ENE 10 | ENE 10 | ENE 10 | E 10 | E 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 9 | SW 8 | ENE 9 | ENE 9 | ENE 9 |
| kJ | 4 | 4 | 4 | 5 | 12 | 4 | 12 | 17 | 11 | 19 | 18 | 18 | 16 | 17 | 18 | 18 | 31 | 31 | 31 | 29 | 20 | 28 | 28 | 28 |
Wind waves Height (m) Direction Period (s) | W 5 | W 5 | WSW 5 | WSW 5 | WSW 5 | WSW 5 | SW 5 | — | S 4 | — | SW 8 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 12 | 18 | 18 | 18 | 20 | 29 | 16 | — | 1 | — | 61 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 605 | 605 | 639 | 627 | 605 | 605 | 605 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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