Yona Bay Surf Break

Yona Bay Surf Forecast and Surf Report

Lat Long: 26.76° N 128.19° E

Issued: 2 am 19 Jun 2026 (local time)

Forecast update in  hr  min

Today's Yona Bay sea temperature is
25.1° C

2.3°C colder than average for this time of year

Yona Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Yona Bay surf forecast from 18 Jun 2026:

  • Best quality surf: Sunday 21 Jun, 3AM (local time) - 2.5ft (0.8m), 8s period, W swell with cross-offshore winds.
  • Most powerful swell: Friday 26 Jun, 9AM (local time) - 5.5ft (1.7m), 5s period, WSW swell with 155 kJ wave energy.
  • Next surfable swell (1★+): Sunday 21 Jun, 3AM (local time) - 2.5ft (0.8m), 8s period with W swell.

Best Forecast Surf Conditions for Yona Bay this week:

The surf forecast for Yona Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Jun 21) at 3AM. The primary swell is predicted to be 0.8m and 8s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Yona Bay in the next 16 days are 1.7m 5s and forecast to arrive on Friday (Jun 26) at 9AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 4.5m 11s period and expected on Friday (Jun 26) at 3AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Sun 21st Jun)2.5ft (0.8m) 8s
Best Surf 3AM (Sun 21st Jun)2.5ft (0.8m) 8s
Most Powerful 9AM (Fri 26th Jun)5.5ft (1.7m) 5s

Table - best surf conditions forecast for Yona Bay over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 28°C on Fri afternoon, min 25°C on Fri night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Warm (max 28°C on Tue afternoon, min 25°C on Mon night). Wind will be generally light.

Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.3
E
9
0.3
E
9
0.3
E
9
0.3
E
9
0.3
E
9
0.2
E
8
0.2
E
8
0.1
NE
9
0.6
W
7
0.2
NNW
7
0.3
NNW
7
0.2
NNW
7
0.2
NNW
6
1.1
SE
11
0.2
ENE
11
0.3
NE
11
0.4
NE
10
0.4
NE
10
0.2
ENE
10
0.3
NE
9
0.3
NE
10
Wave Graph
Metric surfscale
Energy kJ
15
15
15
14
14
6
6
3
34
5
9
4
4
0
12
18
36
25
9
13
15
Wind (km/h)
15
S
15
SSW
15
S
20
S
15
SW
10
SSW
15
SW
10
WSW
10
SSW
10
SSW
10
WSW
10
SSW
5
SW
5
SSE
20
SE
15
SE
20
SE
25
SE
25
SSE
25
SSE
30
SSE
Wind State
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross
cross
cross-off
cross-off
cross
cross-off
cross
off
off
off
off
off
off
cross-off
off
High Tide
9:24AM1.88m
10:52PM1.77m
10:18AM1.76m
11:38PM1.73m
11:19AM1.62m
00:27AM1.70m
12:34PM1.49m
1:19AM1.68m
2:05PM1.42m
2:13AM1.67m
3:39PM1.41m
3:07AM1.68m
4:57PM1.46m
Low Tide
4:13PM0.24m
4:36AM0.88m
5:00PM0.41m
5:36AM0.87m
5:49PM0.59m
6:45AM0.84m
6:44PM0.76m
7:59AM0.79m
7:45PM0.91m
9:11AM0.70m
8:52PM1.02m
10:14AM0.60m
9:58PM1.09m
clear
clear
clear
clear
part cloud
clear
clear
part cloud
clear
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>
5:33
5:33
5:33
5:33
5:33
5:33
5:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:22
7:22
7:22
7:22
7:23
7:23
7:23
 mm
Temp °C
27
28
25
28
28
26
27
28
26
27
27
26
27
28
26
28
28
27
28
28
27
Feels °C
29
30
27
31
31
29
30
31
30
30
30
30
30
31
29
30
30
29
29
29
28
Swell 1
Height (m)
Direction
Period (s)
0.4
W
6
0.3
SE
10
0.4
WSW
6
0.5
W
7
0.4
SE
10
0.8
WSW
8
0.7
WSW
7
0.7
WSW
7
0.6
ESE
9
0.7
SE
11
0.9
SE
10
0.9
SE
10
1.1
SE
11
1.1
SE
11
1.6
SE
12
1.8
SSE
12
1.7
SSE
12
2
SSE
11
0.4
SE
11
0.3
W
8
0.3
NE
10
Energy kJ
12
15
10
23
23
85
55
47
52
130
157
173
293
292
671
889
805
959
30
11
15
Swell 2
Height (m)
Direction
Period (s)
0.3
E
9
0.3
E
9
0.4
SE
10
0.4
SE
10
0.3
E
9
0.4
SE
9
0.5
SE
9
0.5
ESE
9
0.6
W
7
0.2
NNW
7
0.5
W
7
0.5
W
6
0.4
WSW
7
0.4
WSW
7
0.4
WSW
7
0.4
WSW
9
0.5
W
8
0.4
W
8
0.3
WSW
7
0.3
NE
9
0.2
W
7
Energy kJ
15
15
25
24
14
29
39
43
34
5
24
20
17
17
16
25
33
18
9
13
4
Swell 3
Height (m)
Direction
Period (s)
0.3
SE
9
0.2
ENE
9
0.3
E
9
0.3
E
9
0.1
NE
10
0.2
E
8
0.2
E
8
0.1
NE
9
0.2
NNW
8
0.1
NE
11
0.3
NNW
7
0.2
NNW
7
0.2
NNW
6
0.3
ESE
8
0.2
ENE
11
0.3
NE
11
0.4
NE
10
0.4
NE
10
0.2
ENE
10
0.1
NE
12
Energy kJ
13
7
15
14
4
6
6
3
6
4
9
4
4
14
12
18
36
25
9
6
Wind waves
Height (m)
Direction
Period (s)
0.3
S
3
0.6
SW
4
0.4
SSW
3
0.6
S
4
0.9
WSW
6
0.7
WSW
8
0.4
SW
3
0.3
SW
6
0.6
WSW
7
2.3
SSE
12
2.5
S
12
3.5
SSE
12
Energy kJ
1
8
3
9
66
56
3
5
37
1420
2165
3435
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
2
1
1
1
1
1
1
1
2
2
3
1
3
2
2
1
4
Distance (km)
681
14
761
651
1230
14
14
14
12
12
12
12
12
12
66
54
66
655
646
804
628
Best forecast wave conditions in Okinawa
Rating
(10 max)
1
1
1
1
1
1
2
2
2
2
3
3
3
Best forecast wave conditions in Japan
Rating
(10 max)
1
1
1
1
1
3
3
3
3
2
3
3
2
2
3
3
3
2
2
1
4
Header Global
Rating
(10 max)
5
6
4
4
5
9
8
9
7
7
6
7
5
5
5
6
7
6
6
6
9
  • 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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Information about the Yona Bay Surf forecast

The above surf forecast table for Yona Bay provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Yona Bay can be found by selecting the local surf guide option on the grey menu. Our Yona Bay surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Yona Bay) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Yona Bay may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Yona Bay is 24 km (15 miles) from the city of Okinawa. If you plan a holiday in Okinawa, look for hotels and other accommodation in Okinawa. Okinawa has rooms for a wide range of budgets as well as car hire and transport links.

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