Surf Forecasts:
How big are the waves at Ikei Island today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 5ft (1.6m), 8s period with ESE swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 5ft (1.5m), 7s period with ESE swell.
- Evening surf: Evening surf (20 Aug, local time) - 3.5ft (1.1m), 7s period with ESE swell.
The current surf forecast for Ikei Island at 3PM is: 1.5m 7s primary swell from a East-southeast direction (forecast issued at 08:00am August 20). An open ocean swell of 1.2m 9s is not directed at the surf break, a second open ocean swell of 0.2m 9s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 5ft (1.6m) | 8s |
| Afternoon (20 Aug) | 5ft (1.5m) | 7s |
| Evening (20 Aug) | 3.5ft (1.1m) | 7s |
Table - waves today at Ikei Island. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 33mm), heaviest during Thu morning. Warm (max 28°C on Thu morning, min 26°C on Fri afternoon). Winds increasing (moderate winds from the ESE on Thu afternoon, strong winds from the SE by Fri afternoon). | ||||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | ||||||||||||||||||||
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) | ESE 8 | ESE 8 | ESE 8 | ESE 7 | ESE 7 | ESE 7 | SE 7 | SE 7 | ENE 8 | ENE 8 | SE 6 | SE 8 | SE 8 | ENE 9 | ENE 9 | ENE 9 | SE 8 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | E 14 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 363 | 300 | 287 | 198 | 145 | 111 | 411 | 529 | 21 | 21 | 269 | 1146 | 1561 | 8 | 8 | 8 | 701 | 0 | 0 | 0 | 0 | 14 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 12:06PM1.31m | 11:12PM1.57m | 2:12PM1.25m | 00:18AM1.49m | 4:20PM1.33m | |||||||||||||||||
Low Tide | 5:32AM0.64m | 4:53PM1.05m | 6:48AM0.70m | 5:52PM1.18m | 8:29AM0.69m | 8:25PM1.23m | ||||||||||||||||
 |  | | | | | | | | | |  | | | | | | | | | | | |
 | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — |
 | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 6:58 | — |
mm | 1 | 2 | 2 | 1 | 2 | 1 | 1 | 2 | 1 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 1 |
Temp °C | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 |
Feels °C | 31 | 30 | 30 | 30 | 29 | 29 | 27 | 27 | 28 | 27 | 25 | 24 | 23 | 26 | 25 | 25 | 26 | 26 | 27 | 27 | 28 | 26 |
Swell 1 Height (m) Direction Period (s) | S 10 | S 10 | S 9 | S 9 | S 9 | S 9 | SW 9 | SW 9 | ENE 8 | SW 8 | S 8 | SW 8 | SW 9 | SW 9 | SW 10 | ENE 9 | S 9 | SSW 9 | SW 10 | — | — | E 14 |
| kJ | 94 | 154 | 175 | 230 | 306 | 306 | 13 | 13 | 21 | 24 | 169 | 24 | 27 | 29 | 80 | 8 | 932 | 669 | 35 | — | — | 14 |
Swell 2 Height (m) Direction Period (s) | SW 8 | WSW 8 | WSW 9 | WSW 9 | SW 9 | ESE 10 | ESE 11 | ENE 8 | ENE 8 | ENE 8 | SW 10 | ENE 8 | — | ENE 9 | ENE 9 | — | — | SW 10 | — | — | — | — |
| kJ | 3 | 7 | 7 | 8 | 3 | 10 | 12 | 37 | 21 | 21 | 15 | 13 | — | 8 | 8 | — | — | 35 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | SW 8 | SW 9 | SW 9 | ENE 8 | ESE 11 | WSW 9 | — | — | ESE 11 | — | SW 10 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 11 | 12 | 12 | 27 | 11 | 8 | — | — | 12 | — | 25 | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ESE 8 | ESE 8 | ESE 8 | ESE 7 | ESE 7 | ESE 7 | SE 7 | SE 7 | SSE 8 | SSE 8 | SE 6 | SE 8 | SE 8 | SSE 9 | SSE 9 | SSE 9 | SE 8 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 |
| kJ | 363 | 300 | 287 | 198 | 145 | 111 | 411 | 529 | 546 | 519 | 269 | 1146 | 1561 | 1941 | 1702 | 1958 | 701 | 1604 | 1926 | 1875 | 1658 | 1315 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 627 | 627 | 26 | 627 | 627 | 627 | 627 | 627 | 627 | 627 | 635 | 635 | 635 | 635 | 627 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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