Surf Forecasts:
How big are the waves at Yona Bay today (28 Sep):
- Morning surf: Morning surf (28 Sep, local time) - 8ft (2.5m), 10s period with E swell.
- Afternoon surf: Afternoon surf (28 Sep, local time) - 6ft (1.9m), 10s period with E swell.
- Evening surf: Evening surf (28 Sep, local time) - 4.5ft (1.4m), 10s period with ENE swell.
The current surf forecast for Yona Bay at 3PM is: 1.9m 10s primary swell from a East direction and 0.7m 4s secondary swell from a Northwest direction (forecast issued at 08:00am September 28). An open ocean swell of 0.4m 7s 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) | 8ft (2.5m) | 10s |
| Afternoon (28 Sep) | 6ft (1.9m) | 10s |
| Evening (28 Sep) | 4.5ft (1.4m) | 10s |
Table - waves today at Yona Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 6mm), mostly falling on Mon morning. Warm (max 28°C on Mon morning, min 26°C on Tue night). Mainly fresh winds. | ||||||||||||||||||||||
Monday 28 | Tuesday 29 | Wednesday 30 | ||||||||||||||||||||
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 11 | E 10 | E 11 | E 10 | E 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 2119 | 1334 | 1363 | 789 | 509 | 386 | 276 | 248 | 240 | 193 | 146 | 113 | 106 | 86 | 86 | 84 | 57 | 54 | 38 | 37 | 36 | 36 |
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 | on | on | cross-on | on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on |
High Tide | 7:52AM2.04m | 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 | |||||||||||||||||
 |  | | |  |  | | | | |  | | | | |  | | | | | | | |
 | 6:16 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — |
 | — | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — |
mm | 5 | 2 | 2 | 1 | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 28 | 27 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 27 | 27 | 27 | 27 | 26 | 27 | 27 | 27 | 27 | 26 |
Feels °C | 28 | 30 | 28 | 29 | 28 | 29 | 29 | 29 | 29 | 29 | 28 | 29 | 29 | 30 | 30 | 30 | 28 | 28 | 28 | 28 | 28 | 26 |
Swell 1 Height (m) Direction Period (s) | E 11 | E 10 | E 11 | E 10 | E 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 2119 | 1334 | 1363 | 789 | 509 | 386 | 276 | 248 | 240 | 193 | 146 | 113 | 106 | 86 | 86 | 84 | 57 | 54 | 38 | 37 | 36 | 36 |
Swell 2 Height (m) Direction Period (s) | — | — | — | SSE 7 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | S 5 | S 5 | SE 9 | SSE 9 | SSE 9 | W 5 | W 5 | W 5 | W 5 | W 5 | W 5 | W 5 | W 5 | W 5 |
| kJ | — | — | — | 15 | 8 | 7 | 7 | 6 | 2 | 2 | 3 | 8 | 8 | 16 | 19 | 14 | 9 | 9 | 5 | 4 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | SE 9 | SE 9 | — | — | — | W 6 | SSE 9 | N 6 | N 6 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 |
| kJ | — | — | — | — | — | — | — | — | 3 | 3 | — | — | — | 3 | 7 | 3 | 2 | 3 | 3 | 3 | 3 | 3 |
Wind waves Height (m) Direction Period (s) | — | — | NW 4 | NW 4 | NW 4 | NW 4 | NW 4 | NW 4 | NW 4 | WNW 4 | WNW 4 | WNW 4 | WNW 4 | — | — | — | N 4 | N 5 | N 5 | N 5 | N 5 | N 5 |
| kJ | — | — | 14 | 15 | 27 | 24 | 16 | 14 | 8 | 10 | 20 | 18 | 21 | — | — | — | 1 | 13 | 13 | 13 | 20 | 19 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 74 | 28 | 28 | 28 | 74 | 74 | 28 | 28 | 28 | 74 | 74 | 74 | 74 | 14 | 14 | 74 | 74 | 595 | 595 | 595 | 595 | 595 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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