Surf Forecasts:
How big are the waves at Ikei Island today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 4.5ft (1.4m), 6s period with ESE swell.
- Evening surf: Evening surf (21 Aug, local time) - 0.5ft (0.1m), 9s period with NE swell.
The current surf forecast for Ikei Island at 4AM is: 1.6m 6s primary swell from a Southeast direction and 0.2m 10s secondary swell from a East-southeast direction (forecast issued at 08:00pm August 20). An open ocean swell of 1.2m 9s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 4.5ft (1.4m) | 6s |
| Afternoon (21 Aug) | - | - |
| Evening (21 Aug) | 0.5ft (0.1m) | 9s |
Table - waves today at Ikei Island. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 21mm), heaviest during Thu night. Warm (max 28°C on Sat morning, min 27°C on Thu night). Winds increasing (moderate winds from the SE on Thu night, strong winds from the SSE by Fri afternoon). | ||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | ||||||||||||||||
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 7 | ESE 7 | SE 9 | SE 6 | ESE 7 | ESE 6 | E 8 | SSE 8 | SSE 9 | NE 9 | ENE 9 | ENE 9 | ENE 9 | SSE 9 | ENE 9 | E 9 | E 14 | E 14 |
Wave Graph  | ||||||||||||||||||
 kJ | 145 | 131 | 586 | 226 | 199 | 165 | 33 | 0 | 0 | 3 | 16 | 8 | 8 | 0 | 8 | 8 | 16 | 15 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross-on | cross-on | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on |
High Tide | 11:12PM1.57m | 2:12PM1.25m | 00:18AM1.49m | 4:20PM1.33m | ||||||||||||||
Low Tide | 4:53PM1.05m | 6:48AM0.70m | 5:52PM1.18m | 8:29AM0.69m | 8:25PM1.23m | |||||||||||||
 |  | |  | | | | |  | | | | | |  | | | | |
 | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — |
 | 7:00 | — | — | — | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 6:58 | — |
mm | 4 | 2 | 1 | — | 1 | 2 | 1 | 2 | — | — | — | 1 | 1 | 1 | — | 1 | 1 | 1 |
Temp °C | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 27 | 27 |
Feels °C | 29 | 29 | 28 | 28 | 27 | 26 | 25 | 25 | 25 | 24 | 25 | 25 | 26 | 26 | 26 | 27 | 27 | 27 |
Swell 1 Height (m) Direction Period (s) | S 9 | S 9 | SW 9 | S 9 | S 8 | S 8 | E 8 | SW 10 | SW 10 | NE 9 | SW 10 | ENE 9 | SW 9 | — | ENE 9 | E 9 | SW 10 | E 9 |
| kJ | 264 | 306 | 13 | 185 | 241 | 200 | 33 | 4 | 23 | 3 | 33 | 8 | 81 | — | 8 | 6 | 246 | 7 |
Swell 2 Height (m) Direction Period (s) | SW 9 | ESE 10 | SW 9 | ESE 10 | ESE 11 | ESE 11 | SW 10 | WSW 10 | — | — | ENE 9 | — | ENE 9 | — | — | ENE 9 | ENE 9 | E 14 |
| kJ | 3 | 10 | 12 | 10 | 11 | 11 | 23 | 10 | — | — | 16 | — | 8 | — | — | 8 | 16 | 15 |
Swell 3 Height (m) Direction Period (s) | ESE 11 | WSW 9 | ESE 10 | WSW 9 | ENE 8 | ESE 11 | — | — | — | — | — | — | — | — | — | — | E 14 | E 13 |
| kJ | 11 | 8 | 10 | 8 | 20 | 11 | — | — | — | — | — | — | — | — | — | — | 15 | 14 |
Wind waves Height (m) Direction Period (s) | ESE 7 | ESE 7 | SE 9 | SE 6 | ESE 7 | ESE 6 | SSE 7 | SSE 8 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 |
| kJ | 145 | 131 | 586 | 226 | 199 | 165 | 1126 | 1516 | 2317 | 2756 | 2281 | 2025 | 1698 | 1658 | 1435 | 1461 | 1414 | 1004 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 26 | 26 | 39 | 26 | 627 | 627 | 627 | 627 | 627 | 627 | 627 | 627 | 627 | 627 | 635 | 627 | 627 | 627 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
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