Surf Forecasts:
How big are the waves at Yona Bay today (28 Sep):
- Afternoon surf: Afternoon surf (28 Sep, local time) - 6.5ft (2.0m), 10s period with E swell.
- Evening surf: Evening surf (28 Sep, local time) - 4.5ft (1.3m), 10s period with ENE swell.
The current surf forecast for Yona Bay at 8PM is: 1.4m 10s primary swell from a East-northeast direction and 0.9m 4s secondary swell from a Northwest direction (forecast issued at 02:00pm September 28). An open ocean swell of 0.3m 6s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Sep) | - | - |
| Afternoon (28 Sep) | 6.5ft (2.0m) | 10s |
| Evening (28 Sep) | 4.5ft (1.3m) | 10s |
Table - waves today at Yona Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Tue morning. Warm (max 28°C on Mon afternoon, min 26°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Mon 28 | Tuesday 29 | Wednesday 30 | ||||||||||||||||||
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 11 | E 10 | E 10 | ENE 10 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | N 6 | N 6 | N 6 | N 6 | N 6 | N 6 |
Wave Graph  | ||||||||||||||||||||
 kJ | 1351 | 873 | 450 | 322 | 211 | 140 | 101 | 76 | 67 | 49 | 49 | 34 | 33 | 21 | 26 | 24 | 24 | 22 | 15 | 15 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 7:50PM2.02m | 8:32AM2.00m | 8:19PM2.02m | 9:14AM1.91m | 8:50PM1.99m | |||||||||||||||
Low Tide | 1:53PM0.54m | 2:11AM0.24m | 2:25PM0.64m | 2:49AM0.21m | 2:58PM0.77m | |||||||||||||||
 |  |  |  | | | | | | | | |  |  | | | | | | | |
 | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — |
 | — | — | 6:17 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — |
mm | 2 | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 27 | 26 | 26 | 26 |
Feels °C | 30 | 29 | 28 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 29 | 29 | 30 | 28 | 28 | 28 | 28 | 27 | 27 | 26 |
Swell 1 Height (m) Direction Period (s) | E 11 | E 10 | E 10 | ENE 10 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | WNW 5 | W 5 | W 5 | ENE 7 | W 5 | W 5 | ENE 7 | ENE 7 | ENE 7 |
| kJ | 1351 | 873 | 450 | 322 | 211 | 140 | 101 | 76 | 67 | 49 | 49 | 26 | 18 | 13 | 20 | 5 | 5 | 4 | 4 | 9 |
Swell 2 Height (m) Direction Period (s) | — | S 7 | SSE 6 | SSE 6 | SSE 8 | S 6 | S 5 | S 5 | SE 9 | SSE 9 | SSE 9 | ENE 8 | ENE 8 | ENE 7 | W 5 | ENE 7 | ENE 7 | W 5 | E 9 | E 10 |
| kJ | — | 14 | 8 | 7 | 6 | 2 | 2 | 2 | 3 | 8 | 8 | 34 | 33 | 21 | 8 | 9 | 5 | 2 | 7 | 7 |
Swell 3 Height (m) Direction Period (s) | — | SSE 8 | SE 8 | — | S 6 | SE 8 | SE 9 | SE 9 | — | — | — | NNW 7 | NNW 7 | NNW 6 | SE 8 | E 9 | E 9 | E 9 | W 5 | W 5 |
| kJ | — | 6 | 11 | — | 3 | 2 | 3 | 3 | — | — | — | 5 | 9 | 13 | 3 | 6 | 6 | 6 | 2 | 2 |
Wind waves Height (m) Direction Period (s) | NW 4 | NW 4 | WNW 4 | NW 5 | NW 5 | NW 4 | WNW 4 | WNW 4 | W 4 | WNW 4 | WNW 5 | — | NNW 4 | N 4 | N 6 | N 6 | N 6 | N 6 | N 6 | N 6 |
| kJ | 6 | 17 | 31 | 31 | 25 | 16 | 11 | 11 | 15 | 32 | 31 | — | 3 | 3 | 26 | 24 | 24 | 22 | 15 | 15 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 595 | 595 | 74 | 74 | 74 | 681 | 595 | 595 | 595 | 927 | 761 | 595 | 595 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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