Yonabaru 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
Yonabaru surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Yonabaru sea temperature is
23.9° C
(Which is 1.6°C colder than average for this time of year)

How big are the waves at Yonabaru today?

The current surf forecast for Yonabaru at 7AM 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)5.5ft (1.7m)9s
Evening (18 May)6ft (1.8m)9s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 25°C on Tue morning, min 22°C on Mon morning). Wind will be generally light.

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
1
1
2
2
1
2
2
1
1
1
1
0
1
1
0
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
1.8
E
9
1.7
E
9
1.7
E
9
1.8
E
9
1.8
E
8
1.7
E
8
1.5
E
8
1.4
E
8
1.4
ESE
8
1.3
ESE
9
1.4
ESE
9
1.4
ESE
9
1.3
ESE
9
1.2
ESE
8
1.2
ESE
9
1.1
ESE
9
1.1
ESE
9
1.1
ESE
9
1
ESE
9
1
ESE
9
Wave Graph
Metric surfscale
Energy kJ
443
454
465
465
476
425
425
476
465
405
324
277
290
264
281
281
232
207
212
181
181
207
184
184
Wind (km/h)
25
E
25
ENE
25
ENE
25
ENE
25
ENE
25
ENE
25
ENE
25
ENE
15
NE
10
NNE
5
NNE
5
NW
10
WNW
15
WNW
10
WNW
5
WSW
10
WSW
10
SW
10
SW
10
WSW
15
SW
15
SW
10
SSW
10
S
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross
cross
glassy
cross-off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
High Tide
6:54AM2.06m
8:28PM1.85m
7:28AM2.04m
9:11PM1.80m
8:05AM1.98m
Low Tide
1:10AM0.90m
1:45PM0.02m
1:46AM0.97m
2:25PM0.06m
2:25AM1.03m
3:07PM0.14m
clear
clear
clear
clear
cloud
part cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:41
5:41
5:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:08
7:09
7:09
Temp °C
22
22
21
22
22
23
22
22
23
22
22
24
25
25
24
24
24
23
23
24
25
25
24
23
20
20
19
20
20
22
21
21
25
24
25
27
27
26
26
27
27
25
25
26
26
26
26
25
Swell 1
Height (m)
Direction
Period (s)
0.2
ESE
13
0.1
SE
12
0.1
SE
12
1.8
E
8
1.7
E
8
1.5
E
8
1.4
E
8
1.4
ESE
8
1.3
ESE
9
1.4
ESE
9
1.4
ESE
9
1.3
ESE
9
1.2
ESE
8
1.2
ESE
9
1.1
ESE
9
1.1
ESE
9
1.1
ESE
9
1
ESE
9
1
ESE
9
Energy kJ
16
6
6
465
405
324
277
290
264
281
281
232
207
212
181
181
207
184
184
Swell 2
Height (m)
Direction
Period (s)
0.3
WNW
4
0.2
WNW
4
0.1
NW
4
Energy kJ
3
1
1
Swell 3
Height (m)
Direction
Period (s)
0.2
ESE
10
Energy kJ
10
Wind waves
Height (m)
Direction
Period (s)
1.8
E
8
1.8
E
8
1.8
E
8
1.8
E
8
1.8
E
9
1.7
E
9
1.7
E
9
1.8
E
9
0.3
NNW
5
0.3
WNW
3
0.4
W
3
0.4
W
3
0.5
W
4
0.4
W
4
0.3
SW
3
0.4
SW
3
0.4
SW
3
0.4
SW
3
0.3
WSW
3
Energy kJ
443
454
465
465
476
425
425
476
5
1
3
3
6
4
1
2
2
3
2
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
2
2
2
2
2
2
3
2
2
1
2
2
1
1
1
1
1
1
1
2
Distance (km)
14
14
14
14
14
14
14
14
14
14
14
0
0
0
0
0
0
0
0
0
34
0
0
33
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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