Surf Forecasts:
How big are the waves at Yona Bay today (23 Aug):
- Morning surf: Morning surf (23 Aug, local time) - 1.5ft (0.4m), 9s period with ENE swell.
- Afternoon surf: Afternoon surf (23 Aug, local time) - 1.5ft (0.4m), 9s period with ENE swell.
The current surf forecast for Yona Bay at 7AM is: 0.4m 9s primary swell from a East-northeast direction (forecast issued at 02:00am August 23). An open ocean swell of 0.8m 10s is not directed at the surf break, a second open ocean swell of 0.7m 7s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Aug) | 1.5ft (0.4m) | 9s |
| Afternoon (23 Aug) | 1.5ft (0.4m) | 9s |
| Evening (23 Aug) | - | - |
Table - waves today at Yona Bay. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 18mm), heaviest on Tue night. Warm (max 28°C on Sun morning, min 26°C on Tue night). Winds increasing (light winds from the ESE on Sun night, stormy winds from the W by Tue night). | ||||||||||||||||||||||||
Sunday 23 | Monday 24 | Tuesday 25 | ||||||||||||||||||||||
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) | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 10 | SW 10 | SW 9 | ENE 10 | E 11 | ESE 16 | ENE 11 | ENE 10 | E 6 | E 17 | E 18 | E 18 | E 18 | E 17 | E 17 | E 16 | E 16 | E 15 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 16 | 16 | 16 | 27 | 26 | 27 | 32 | 0 | 0 | 31 | 63 | 0 | 46 | 43 | 92 | 2934 | 5104 | 5921 | 9187 | 10405 | 10405 | 10667 | 9792 | 10601 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 1:52AM1.53m | 5:59PM1.52m | 3:46AM1.55m | 6:20PM1.63m | 4:52AM1.64m | 6:39PM1.73m | ||||||||||||||||||
Low Tide | 10:14AM0.74m | 10:49PM1.33m | 11:09AM0.64m | 11:39PM1.22m | 11:48AM0.53m | |||||||||||||||||||
 | | |  | | | | | |  | |  | | | | | |  | |  | | | | | |
 | — | — | 6:01 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — |
 | — | — | — | — | — | — | 6:57 | — | — | — | — | — | — | — | 6:55 | — | — | — | — | — | — | — | 6:54 | — |
mm | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | 4 |
Temp °C | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 |
Feels °C | 29 | 29 | 29 | 30 | 29 | 30 | 30 | 28 | 30 | 29 | 29 | 30 | 29 | 30 | 30 | 30 | 28 | 28 | 28 | 29 | 28 | 26 | 24 | 21 |
Swell 1 Height (m) Direction Period (s) | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 9 | SW 9 | ESE 13 | ESE 16 | ESE 15 | ESE 16 | ESE 16 | E 17 | E 18 | E 18 | E 18 | E 17 | E 17 | E 16 | E 16 | E 15 |
| kJ | 160 | 133 | 141 | 153 | 138 | 94 | 94 | 90 | 55 | 52 | 98 | 196 | 487 | 1025 | 1685 | 2934 | 5104 | 5921 | 9187 | 10405 | 10405 | 10667 | 9792 | 10601 |
Swell 2 Height (m) Direction Period (s) | ENE 9 | ENE 9 | ENE 9 | ENE 9 | S 7 | S 7 | S 7 | ESE 12 | ESE 12 | ESE 13 | SW 9 | ESE 12 | ESE 12 | SW 9 | ENE 10 | SW 9 | SW 9 | ENE 10 | ENE 10 | SW 9 | SW 9 | SW 9 | SW 9 | SW 9 |
| kJ | 16 | 16 | 16 | 27 | 39 | 27 | 27 | 52 | 60 | 96 | 50 | 81 | 94 | 28 | 40 | 39 | 27 | 85 | 61 | 39 | 49 | 47 | 46 | 36 |
Swell 3 Height (m) Direction Period (s) | SE 10 | SE 10 | SE 10 | SE 10 | ENE 9 | ENE 9 | ENE 10 | S 8 | S 7 | ENE 10 | E 11 | SW 9 | ENE 11 | ENE 10 | SW 9 | — | — | — | SW 9 | — | — | — | — | — |
| kJ | 15 | 15 | 15 | 15 | 26 | 27 | 32 | 18 | 17 | 31 | 63 | 46 | 46 | 43 | 29 | — | — | — | 40 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 8 | SSE 6 | SSE 7 | SSE 7 | ESE 4 | ESE 4 | E 4 | ESE 4 | E 4 | E 4 | E 5 | E 5 | E 6 | E 6 | E 6 | E 6 | E 7 | ENE 8 | — | — | NNE 5 | — | N 6 | N 7 |
| kJ | 102 | 48 | 57 | 62 | 8 | 15 | 13 | 19 | 14 | 14 | 27 | 51 | 72 | 99 | 92 | 100 | 107 | 187 | — | — | 49 | — | 225 | 389 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 595 | 595 | 595 | 66 | 66 | 66 | 66 | 66 | 66 | 64 | 66 | 66 | 66 | 66 | 64 | 64 | 33 | 33 | 33 | 88 | 88 | 664 | 664 | 664 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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