Surf Forecasts:
How big are the waves at Ikei Island today (18 Aug):
- Afternoon surf: Afternoon surf (18 Aug, local time) - 4.5ft (1.4m), 6s period with E swell.
- Evening surf: Evening surf (18 Aug, local time) - 5ft (1.5m), 6s period with E swell.
The current surf forecast for Ikei Island at 7PM is: 1.5m 6s primary swell from a East direction (forecast issued at 02:00pm August 18). An open ocean swell of 0.4m 7s is not directed at the surf break, a second open ocean swell of 0.3m 8s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | - | - |
| Afternoon (18 Aug) | 4.5ft (1.4m) | 6s |
| Evening (18 Aug) | 5ft (1.5m) | 6s |
Table - waves today at Ikei Island. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 106mm), heaviest during Thu night. Warm (max 28°C on Tue afternoon, min 25°C on Fri morning). Winds decreasing (fresh winds from the ESE on Thu morning, light winds from the SSE by Thu night). | ||||||||||||||||||||
Tue 18 | Wednesday 19 | Thursday 20 | ||||||||||||||||||
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 6 | E 6 | E 6 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | SE 8 | SE 8 | SE 9 | SE 9 |
Wave Graph  | ||||||||||||||||||||
 kJ | 118 | 139 | 148 | 176 | 196 | 243 | 257 | 306 | 335 | 346 | 392 | 469 | 613 | 670 | 717 | 650 | 1060 | 1498 | 2073 | 1382 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | 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 | cross-on | cross-on | cross |
High Tide | 10:03PM1.74m | 10:55AM1.45m | 10:33PM1.66m | 12:06PM1.31m | ||||||||||||||||
Low Tide | 3:51PM0.73m | 4:39AM0.57m | 4:20PM0.90m | 5:32AM0.64m | 4:53PM1.05m | |||||||||||||||
 |  | |  |  | | |  | | | |  | | | | | | |  |  | |
 | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — |
 | — | — | 7:01 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — |
mm | — | — | — | — | 1 | 1 | 1 | 1 | 2 | 3 | 2 | — | 1 | 2 | 2 | 1 | 1 | 3 | 7 | 7 |
Temp °C | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 26 |
Feels °C | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 29 | 29 | 29 | 27 | 29 | 27 | 27 | 28 | 27 | 26 | 30 | 26 | 28 |
Swell 1 Height (m) Direction Period (s) | SW 8 | S 7 | S 7 | SW 9 | SW 8 | SW 8 | SW 8 | SW 8 | S 8 | S 8 | S 8 | S 8 | SW 8 | S 10 | S 10 | S 10 | SW 8 | SW 8 | SW 9 | SW 9 |
| kJ | 18 | 17 | 17 | 19 | 18 | 18 | 17 | 10 | 11 | 11 | 11 | 21 | 3 | 8 | 98 | 125 | 3 | 3 | 3 | 3 |
Swell 2 Height (m) Direction Period (s) | S 7 | SW 8 | SW 8 | S 7 | S 7 | S 7 | S 7 | S 8 | SW 8 | SW 8 | SW 8 | SW 8 | S 11 | SW 8 | SW 8 | SW 8 | — | — | — | — |
| kJ | 15 | 18 | 11 | 9 | 9 | 9 | 4 | 11 | 11 | 11 | 10 | 3 | 2 | 3 | 3 | 3 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | S 8 | — | S 8 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 10 | 10 | 10 | 10 | 10 | 10 | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | E 6 | E 6 | E 6 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | SE 8 | SE 8 | SE 9 | SE 9 |
| kJ | 118 | 139 | 148 | 176 | 196 | 243 | 257 | 306 | 335 | 346 | 392 | 469 | 613 | 670 | 717 | 650 | 1060 | 1498 | 2073 | 1382 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 26 | 1001 | 639 | 639 | 26 | 26 | 26 | 635 | 817 | 817 | 817 | 627 | 627 | 627 | 635 | 639 | 871 | 852 | 639 | 635 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
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