Yona Bay surfForecast / Okinawa / Japan

information circle48hr Weather and Surf, issued 8 am Friday 22 May 2026 JST
Forecast update in hr  min  s Forecast update imminent
Yona Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Yona Bay sea temperature is
23.2° C
(Which is 2.2°C colder than average for this time of year)

How big are the waves at Yona Bay today?

The current surf forecast for Yona Bay at 5PM is: 0.8m 4s primary swell from a West-southwest direction and 0.1m 10s secondary swell from a East direction (forecast issued at 08:00am May 22). An open ocean swell of 0.8m 9s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (22 May)2ft (0.6m)6s
Afternoon (22 May)2ft (0.6m)4s
Evening (22 May)3ft (0.9m)4s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 25mm), heaviest during Sat morning. Warm (max 27°C on Sun morning, min 23°C on Fri afternoon). Wind will be generally light.

Friday
22
Saturday
23
Sunday
24
Mon
25
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
12 AM
3 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
1
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.6
W
7
0.6
W
6
0.8
ESE
9
0.6
SW
4
0.8
WSW
4
0.9
SW
4
1
SW
5
1.1
SW
5
1.1
SW
5
0.7
ESE
9
0.7
W
6
1.2
WSW
4
1.2
WSW
6
1.1
WSW
6
0.9
SW
6
0.4
N
7
0.4
N
7
0.7
W
6
0.7
W
6
0.6
W
6
0.4
NE
10
0.6
W
7
0.5
NE
10
0.5
NE
10
Wave Graph
Metric surfscale
Energy kJ
31
29
0
12
19
34
51
60
67
0
32
49
84
82
52
15
15
41
40
28
29
35
47
47
Wind (km/h)
15
SW
15
SW
15
WSW
15
SW
20
SSW
20
SSW
20
SSW
20
SW
20
SW
15
SSW
15
SW
25
SW
25
SW
15
SSW
15
SSW
15
SSW
10
SSW
15
WSW
10
W
15
WNW
5
WNW
5
S
10
S
10
S
cross
cross
cross-on
cross
cross-off
cross-off
cross-off
cross
cross
cross-off
cross-off
cross
cross
cross-off
cross-off
cross-off
cross-off
cross
cross-on
on
cross-on
cross-off
cross-off
cross-off
High Tide
10:22AM1.64m
00:27AM1.55m
11:37AM1.51m
1:35AM1.54m
1:14PM1.42m
2:37AM1.57m
Low Tide
4:48AM0.99m
5:28PM0.35m
6:07AM0.99m
6:35PM0.51m
7:37AM0.92m
7:49PM0.63m
part cloud
cloud
light rain
light rain
light rain
light rain
rain showers
light rain
light rain
mod rain
rain showers
light rain
light rain
part cloud
clear
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:37
5:35
5:35
5:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:09
7:10
7:12
7:12
1
2
3
4
1
1
2
7
2
1
1
Temp °C
25
26
25
24
23
23
24
25
24
24
25
26
25
25
24
25
25
27
27
27
27
26
26
26
28
29
27
27
24
23
25
26
26
27
27
26
26
27
26
28
28
29
29
29
31
29
29
30
Swell 1
Height (m)
Direction
Period (s)
0.9
ESE
10
0.9
ESE
10
0.8
ESE
9
0.8
ESE
9
0.8
ESE
9
0.7
ESE
9
0.7
ESE
9
0.7
ESE
9
0.7
ESE
9
0.8
WSW
6
0.7
ESE
9
0.7
ESE
9
0.7
ESE
9
0.7
ESE
9
0.9
WSW
6
0.9
WSW
6
0.8
WSW
6
0.7
W
6
0.8
ESE
10
0.7
ESE
9
0.7
ESE
9
0.8
ESE
9
0.7
ESE
9
0.7
ESE
9
Energy kJ
132
142
118
118
118
92
92
92
92
42
90
90
88
88
68
70
56
41
103
90
88
96
75
75
Swell 2
Height (m)
Direction
Period (s)
0.6
W
7
0.6
W
6
0.6
WSW
6
0.1
E
10
0.1
E
9
0.1
N
6
0.2
N
6
0.7
ESE
9
0.7
W
6
0.3
NNW
8
0.3
NNW
7
0.3
NNW
7
0.7
ESE
9
0.7
ESE
9
0.7
ESE
10
0.7
ESE
10
0.7
W
6
0.6
W
6
0.6
W
6
0.6
W
7
0.5
W
7
0.5
NE
10
Energy kJ
31
29
26
2
2
1
3
92
32
11
11
10
90
92
96
96
40
28
29
34
23
47
Swell 3
Height (m)
Direction
Period (s)
0.1
E
10
0.1
E
10
0.1
NE
10
0.1
N
9
0.4
SSE
5
0.3
NNW
8
0.2
N
8
0.4
NNW
7
0.4
N
7
0.4
N
7
0.3
N
7
0.3
N
7
0.3
N
6
0.4
NE
10
0.4
NE
10
0.5
NE
10
0.4
WSW
7
Energy kJ
2
2
4
2
8
13
5
18
15
15
8
8
7
27
35
47
15
Wind waves
Height (m)
Direction
Period (s)
0.4
SW
3
0.4
SSW
3
0.7
WSW
6
0.6
SW
4
0.8
WSW
4
0.9
SW
4
1
SW
5
1.1
SW
5
1.1
SW
5
0.5
S
4
1.2
WSW
4
1.2
WSW
6
1.1
WSW
6
0.9
SW
6
0.6
SSW
5
0.4
SSW
4
0.4
SSW
4
0.4
SW
4
0.4
SW
4
0.4
SW
5
0.3
SW
4
0.4
SW
5
0.4
SSW
4
Energy kJ
3
5
33
12
19
34
51
60
67
9
49
84
82
52
14
7
8
4
6
6
3
6
4
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
12
12
14
12
12
12
12
12
12
12
12
595
12
12
0
12
12
12
12
12
12
0
12
12
Best forecast wave conditions in Okinawa
Rating
(10 max)
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
Best forecast wave conditions in Japan
Rating
(10 max)
2
2
1
1
1
1
1
1
1
1
1
4
4
1
2
3
4
4
3
3
4
3
3
3
Header Global
Rating
(10 max)
5
4
5
7
7
7
6
5
7
5
5
6
7
8
7
6
5
5
5
5
5
6
5
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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