Yona Bay Surf Break

Yona Bay Surf Forecast and Surf Report

Lat Long: 26.76° N 128.19° E

Issued: 8 pm 17 Jun 2026 (local time)

Forecast update in  hr  min

Today's Yona Bay sea temperature is
25.0° 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 17 Jun 2026:

  • Best quality surf: Friday 19 Jun, 9PM (local time) - 2.5ft (0.7m), 6s period, SW swell with cross-offshore winds.
  • Most powerful swell: Monday 22 Jun, 12PM (local time) - 3.5ft (1.0m), 7s period, W swell with 97 kJ wave energy.
  • Next surfable swell (1★+): Friday 19 Jun, 9PM (local time) - 2.5ft (0.7m), 6s period with SW 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 Friday (Jun 19) at 9PM. The primary swell is predicted to be 0.7m and 6s period with a secondary swell of 0.3m and 9s. 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 1.0m 7s and forecast to arrive on Monday (Jun 22) at 12PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 11s period and expected on Thursday (Jun 25) at 3AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Fri 19th Jun)2.5ft (0.7m) 6s
Best Surf 9PM (Fri 19th Jun)2.5ft (0.7m) 6s
Most Powerful12PM (Mon 22nd Jun)3.5ft (1.0m) 7s

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 Thu night). Wind will be generally light.

Days 5-7 Weather Summary

Light rain (total 8mm), mostly falling on Tue morning. Warm (max 28°C on Sun morning, min 24°C on Tue afternoon). Wind will be generally light.

Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wed
24
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
ENE
9
0.4
NE
8
0.4
NE
8
0.3
W
7
0.3
E
9
0.4
W
7
0.3
E
9
0.7
W
7
0.8
W
7
0.2
E
8
0.2
E
8
0.7
W
7
0.6
W
6
0.1
E
9
0.9
W
7
0.4
NNW
5
0.3
E
8
0.4
NE
11
0.4
NE
10
0.5
E
8
0.4
NE
10
Wave Graph
Metric surfscale
Energy kJ
30
18
18
8
15
14
15
49
59
6
6
48
30
2
71
7
12
30
28
31
23
Wind (km/h)
15
SSW
10
SSW
15
SSW
15
S
15
SSW
15
SSW
15
S
15
SSW
15
SSW
15
SSW
15
SSW
15
SW
15
SW
15
SW
20
W
5
WNW
10
NNE
15
NE
10
NE
10
ENE
0
SW
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross-on
glassy
cross-on
cross
cross
cross-off
glassy
High Tide
9:24PM1.85m
8:35AM1.98m
10:07PM1.81m
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
Low Tide
2:53AM0.90m
3:27PM0.10m
3:42AM0.89m
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
cloud
cloud
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
light rain
part cloud
cloud
light rain
<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
5:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:22
7:22
7:22
7:22
7:22
7:22
7:23
7:23
 mm
2
3
3
1
Temp °C
26
27
27
26
27
28
25
28
28
26
28
28
26
28
28
25
25
24
24
25
25
Feels °C
30
30
30
30
29
30
27
30
31
29
31
31
30
30
30
30
29
26
26
28
29
Swell 1
Height (m)
Direction
Period (s)
0.4
W
6
0.4
W
7
0.4
W
6
0.3
W
7
0.4
WSW
7
0.4
W
7
0.5
W
6
0.7
W
7
0.8
W
7
0.9
WSW
8
0.9
WSW
8
0.7
W
7
0.6
W
6
0.6
ESE
9
0.9
W
7
0.7
SE
9
0.6
SE
9
0.6
SE
8
0.7
SE
9
0.5
SE
10
0.9
SE
9
Energy kJ
12
14
11
8
15
14
17
49
59
109
99
48
30
50
71
88
65
57
79
52
147
Swell 2
Height (m)
Direction
Period (s)
0.4
ENE
9
0.4
NE
8
0.4
NE
8
0.2
ENE
8
0.3
E
9
0.3
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
9
0.5
SE
9
0.5
ESE
9
0.6
ESE
9
0.1
E
9
0.4
ESE
8
0.5
W
6
0.3
WSW
6
0.4
N
6
0.5
N
6
0.6
SE
8
0.4
N
6
Energy kJ
30
18
18
7
15
15
25
24
23
29
39
43
52
2
26
17
7
13
20
42
13
Swell 3
Height (m)
Direction
Period (s)
0.3
E
9
0.3
E
9
0.3
E
9
0.3
SE
10
0.3
SE
9
0.3
E
9
0.3
E
9
0.2
E
9
0.3
E
9
0.2
E
8
0.2
E
8
0.1
SE
11
0.1
NE
9
0.4
SE
10
0.4
NNW
5
0.3
E
8
0.4
NE
11
0.4
NE
10
0.5
N
6
0.4
NE
10
Energy kJ
13
15
15
14
13
14
15
6
13
6
6
5
3
25
7
12
30
28
20
23
Wind waves
Height (m)
Direction
Period (s)
0.5
SSW
6
0.5
SSW
6
0.5
SSW
3
0.4
SSW
4
0.4
SSW
3
0.6
S
4
0.5
S
4
0.6
S
4
0.5
S
4
0.4
SSW
4
0.4
SSW
3
0.5
SSW
3
0.9
WSW
7
0.5
E
8
0.7
E
4
Energy kJ
23
22
6
5
3
10
6
9
7
5
3
6
97
31
13
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
Distance (km)
66
605
14
622
920
645
66
937
14
14
14
14
12
12
44
12
28
28
64
0
12
Best forecast wave conditions in Okinawa
Rating
(10 max)
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
1
2
1
1
1
1
1
1
4
3
2
3
3
3
1
2
1
1
1
3
Header Global
Rating
(10 max)
4
5
9
6
6
6
4
7
5
9
4
9
9
8
6
6
5
5
5
5
9
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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