Surf Forecasts:
How big are the waves at Ikei Island today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 3.5ft (1.1m), 6s period with ESE swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 4.5ft (1.3m), 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 3AM is: 1.1m 6s primary swell from a East-southeast direction and 0.4m 10s secondary swell from a East-northeast direction (forecast issued at 08:00pm August 17). An open ocean swell of 0.5m 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 (18 Aug) | 3.5ft (1.1m) | 6s |
| Afternoon (18 Aug) | 4.5ft (1.3m) | 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 37mm), heaviest during Wed afternoon. Warm (max 28°C on Tue morning, min 27°C on Mon night). Mainly fresh winds. | ||||||||||||||||||
Mon 17 | Tuesday 18 | Wednesday 19 | ||||||||||||||||
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) | ENE 10 | ENE 10 | ENE 10 | ESE 6 | ESE 6 | ESE 6 | E 6 | E 6 | E 6 | E 6 | E 7 | E 7 | E 7 | E 7 | ESE 7 | ESE 8 | ESE 7 | ESE 7 |
Wave Graph  | ||||||||||||||||||
 kJ | 57 | 57 | 56 | 80 | 101 | 86 | 118 | 120 | 124 | 170 | 192 | 240 | 298 | 358 | 365 | 336 | 426 | 560 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | cross-on | on | cross-on | cross-on | cross-on | cross-on |
High Tide | 9:35PM1.82m | 10:05AM1.61m | 10:03PM1.74m | 10:55AM1.45m | ||||||||||||||
Low Tide | 3:23PM0.55m | 3:55AM0.51m | 3:51PM0.73m | 4:39AM0.57m | 4:20PM0.90m | |||||||||||||
 |  |  |  | |  |  | | | | | | |  | | | | | |
 | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — |
 | 7:02 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:00 | — |
mm | — | — | 1 | — | — | — | — | — | — | — | — | — | 2 | 2 | 3 | 3 | 5 | 2 |
Temp °C | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 28 | 28 | 28 | 27 | 27 |
Feels °C | 30 | 29 | 28 | 29 | 28 | 28 | 28 | 29 | 29 | 29 | 30 | 30 | 28 | 29 | 29 | 29 | 28 | 28 |
Swell 1 Height (m) Direction Period (s) | ENE 10 | ENE 10 | SW 9 | SW 9 | SW 8 | ENE 10 | SW 8 | S 7 | S 7 | SW 9 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | S 8 | S 8 | S 9 |
| kJ | 57 | 57 | 38 | 36 | 35 | 31 | 24 | 26 | 17 | 19 | 18 | 18 | 10 | 11 | 11 | 12 | 12 | 25 |
Swell 2 Height (m) Direction Period (s) | SW 8 | SW 9 | ENE 10 | ENE 10 | ENE 10 | SW 8 | S 7 | SW 8 | SW 8 | S 7 | S 7 | S 7 | S 8 | S 8 | S 8 | SW 8 | SSW 8 | SW 8 |
| kJ | 35 | 38 | 56 | 32 | 31 | 24 | 15 | 18 | 18 | 8 | 9 | 9 | 5 | 5 | 12 | 11 | 7 | 3 |
Swell 3 Height (m) Direction Period (s) | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 11 | — | — | S 8 | — | — | — |
| kJ | 17 | 16 | 17 | 17 | 9 | 8 | 10 | 10 | 10 | 10 | 10 | 11 | — | — | 1 | — | — | — |
Wind waves Height (m) Direction Period (s) | ESE 5 | ESE 5 | ESE 5 | ESE 6 | ESE 6 | ESE 6 | E 6 | E 6 | E 6 | E 6 | E 7 | E 7 | E 7 | E 7 | ESE 7 | ESE 8 | ESE 7 | ESE 7 |
| kJ | 26 | 34 | 56 | 80 | 101 | 86 | 118 | 120 | 124 | 170 | 192 | 240 | 298 | 358 | 365 | 336 | 426 | 560 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 639 | 27 | 26 | 635 | 645 | 817 | 817 | 635 | 635 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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