Yona Bay Surf Break

Lat Long: 26.76° N 128.19° E

Yona Bay Surf Forecast and Surf Report

Issued: 8 am 06 Aug 2026 (local time)

Forecast update in  hr  min

Today's Yona Bay sea temperature is
30.1° C
1.3° 

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 6 Aug 2026:

  • Best quality surf: Thursday 6 Aug, 9PM (local time) - 18ft (5.5m), 16s period, ENE swell with cross-onshore winds.
  • Most powerful swell: Friday 7 Aug, 6AM (local time) - 20ft (6.0m), 16s period, ENE swell with 18,723 kJ wave energy.
  • Next surfable swell (1★+): Thursday 6 Aug, 9PM (local time) - 18ft (5.5m), 16s period with ENE 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 Thursday (Aug 06) at 9PM. The primary swell is predicted to be 5.5m and 16s period with a secondary swell of 4.0m and 9s. The wind is predicted to be cross-onshore as the swell arrives.

The most powerful waves expected at Yona Bay in the next 16 days are 6.0m 16s and forecast to arrive on Friday (Aug 07) at 6AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 9.0m 11s period and expected on Friday (Aug 07) at 9PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Thu 6th Aug)18ft (5.5m) 16s
Best Surf 9PM (Thu 6th Aug)18ft (5.5m) 16s
Most Powerful 6AM (Fri 7th Aug)20ft (6.0m) 16s

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


Short Range Forecast

Heavy rain (total 322mm), heaviest during Fri night. Warm (max 30°C on Thu morning, min 28°C on Thu night). Winds increasing (strong winds from the N on Thu morning, extremely windy from the SSE by Fri night).

Days 4-6 Weather Summary

Heavy rain (total 39mm), heaviest during Sun morning. Warm (max 29°C on Sun morning, min 29°C on Sun morning). Winds decreasing (near gales from the SSE on Sun morning, light winds from the SSW by Tue night).

Thursday
6
Friday
7
Saturday
8
Sunday
9
Monday
10
Tuesday
11
Wednesday
12
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
1
1
0
0
0
0
1
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
5
ENE
16
5
E
16
5.5
ENE
16
6
ENE
15
4.5
N
11
0.2
ENE
16
1.1
ENE
11
0.9
ENE
10
0.9
ENE
10
0.4
ENE
15
0.5
E
15
3
W
14
2.2
W
13
1.7
W
12
1.3
W
11
1
E
12
0.8
ENE
12
0.8
ENE
11
0.7
ENE
11
0.6
ENE
11
0.5
ENE
10
Wave Graph
Metric surfscale
Energy kJ
11898
12459
14489
17514
4391
25
286
167
154
72
109
3408
1607
816
387
299
189
164
123
90
58
Wind (km/h)
40
N
50
N
70
NNW
80
NW
85
W
105
SSE
90
S
80
SSE
60
SSE
60
SSE
55
SSE
50
SSE
45
SSE
40
SSE
35
S
30
S
30
S
20
SSW
15
SSW
15
S
10
ESE
Wind State
cross-on
cross-on
cross-on
on
cross-on
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
High Tide
12:32PM1.52m
00:08AM1.77m
2:32PM1.45m
1:20AM1.72m
4:34PM1.53m
2:55AM1.73m
5:41PM1.66m
4:18AM1.81m
6:24PM1.78m
5:22AM1.93m
6:59PM1.87m
6:14AM2.04m
7:31PM1.94m
Low Tide
5:54PM1.06m
7:31AM0.66m
7:13PM1.22m
9:07AM0.59m
9:12PM1.29m
10:28AM0.47m
10:45PM1.22m
11:29AM0.33m
11:45PM1.10m
12:18PM0.23m
00:30AM0.96m
12:59PM0.17m
1:09AM0.81m
clear
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thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
part cloud
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:54
5:54
5:54
5:54
5:56
5:56
5:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:12
7:10
7:09
7:08
7:08
7:07
7:07
 mm
32
37
33
167
23
13
17
7
6
8
4
2
8
2
2
1
3
Temp °C
30
29
28
29
29
29
28
28
29
29
29
29
29
29
29
29
29
29
30
30
29
Feels °C
28
26
22
21
21
16
18
19
24
24
25
26
28
28
29
30
30
32
33
34
34
  • 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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