Ikei Island surfForecast / Okinawa / Japan

information circle48hr Weather and Surf, issued 2 am Monday 18 May 2026 JST
Forecast update in hr  min  s Forecast update imminent
Ikei Island surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Ikei Island sea temperature is
23.7° C
(Which is 1.7°C colder than average for this time of year)

How big are the waves at Ikei Island today?

The current surf forecast for Ikei Island at 6AM is: 1.8m 8s primary swell from a East direction and 0.1m 12s secondary swell from a Southeast direction (forecast issued at 02:00am May 18). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (18 May)6ft (1.8m)8s
Afternoon (18 May)6ft (1.8m)9s
Evening (18 May)6ft (1.8m)9s

Table - waves today at Ikei Island. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 3mm), mostly falling on Tue morning. Warm (max 26°C on Tue afternoon, min 22°C on Mon morning). Winds decreasing (fresh winds from the ENE on Mon morning, calm by Tue morning).

Monday
18
Tuesday
19
Wednesday
20
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
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
1
2
2
2
2
2
2
2
2
2
1
2
2
2
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.8
E
8
1.8
E
8
1.8
E
8
1.8
E
8
1.9
E
9
1.8
E
9
1.8
E
9
1.8
E
9
1.9
E
9
1.8
E
8
1.6
E
8
1.5
E
8
1.5
E
9
1.5
E
9
1.5
E
9
1.4
ESE
9
1.3
ESE
9
1.3
ESE
9
1.3
ESE
9
0.8
ESE
10
0.9
ESE
8
1.2
ESE
10
1.1
ESE
10
1.1
ESE
10
Wave Graph
Metric surfscale
Energy kJ
439
450
460
460
525
476
471
471
525
460
364
320
328
348
363
311
258
258
232
144
116
248
210
210
Wind (km/h)
25
E
25
ENE
25
ENE
30
ENE
25
ENE
25
ENE
30
ENE
30
ENE
20
NE
15
NNE
10
N
0
NNW
5
SW
15
W
15
WNW
10
WSW
10
SW
10
SW
10
SW
10
SW
15
SW
15
SW
15
SSW
10
S
on
on
on
on
on
on
on
on
cross-on
cross-on
cross-on
glassy
off
off
cross-off
off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
High Tide
6:52AM2.08m
8:25PM1.87m
7:34AM2.04m
9:16PM1.79m
8:19AM1.97m
Low Tide
1:05AM0.79m
1:42PM-0.11m
1:48AM0.86m
2:29PM-0.06m
2:34AM0.93m
3:19PM0.05m
part cloud
part cloud
clear
clear
cloud
part cloud
cloud
cloud
part cloud
part cloud
clear
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:39
5:39
5:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:07
7:08
7:08
3
Temp °C
22
22
21
22
22
23
22
22
23
22
22
24
25
26
25
23
23
23
23
24
25
25
24
23
20
20
19
19
20
22
20
21
24
24
24
28
28
28
27
25
26
25
25
26
26
26
25
25
Swell 1
Height (m)
Direction
Period (s)
0.2
ESE
12
0.1
SE
12
0.1
SE
12
1.9
E
9
1.8
E
8
1.6
E
8
1.5
E
8
1.5
E
9
1.5
E
9
1.5
E
9
1.4
ESE
9
1.3
ESE
9
1.3
ESE
9
1.3
ESE
9
1
ESE
8
0.9
ESE
8
1.2
ESE
10
1.1
ESE
10
1.1
ESE
10
Energy kJ
15
6
6
525
460
364
320
328
348
363
311
258
258
232
144
116
248
210
210
Swell 2
Height (m)
Direction
Period (s)
0.4
NE
8
0.8
ESE
10
0.7
ESE
10
0.2
WNW
4
Energy kJ
17
116
104
1
Swell 3
Height (m)
Direction
Period (s)
0.7
ENE
8
0.3
WNW
4
Energy kJ
62
3
Wind waves
Height (m)
Direction
Period (s)
1.8
E
8
1.8
E
8
1.8
E
8
1.8
E
8
1.9
E
9
1.8
E
9
1.8
E
9
1.8
E
9
0.3
W
2
0.5
W
3
0.5
W
4
0.5
W
4
0.5
W
4
0.4
SW
3
0.4
SW
3
0.4
WSW
3
0.3
WSW
4
Energy kJ
439
450
460
460
525
476
471
471
1
5
6
7
7
2
3
4
2
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
2
2
1
1
1
2
2
2
2
2
2
2
2
2
1
2
2
2
Distance (km)
26
26
26
26
26
24
27
27
24
24
17
0
0
0
0
0
0
0
0
0
8
0
0
0
Best forecast wave conditions in Okinawa
Rating
(10 max)
2
2
2
2
2
2
2
2
2
2
3
2
3
3
3
3
2
2
2
2
2
2
2
2
Best forecast wave conditions in Japan
Rating
(10 max)
2
2
2
2
2
2
2
2
2
2
3
2
3
3
3
3
2
2
3
2
2
2
2
2
Header Global
Rating
(10 max)
8
6
4
4
5
7
5
4
5
4
4
4
4
4
4
4
4
4
4
4
5
4
4
5
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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