Yona Bay Surf Break

Lat Long: 26.76° N 128.19° E

Yona Bay Surf Forecast and Surf Report

Issued: 8 am 04 Aug 2026 (local time)

Forecast update in  hr  min

Today's Yona Bay sea temperature is
30.0° C
1.1° 

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 4 Aug 2026:

  • Best quality surf: Wednesday 5 Aug, 3PM (local time) - 11ft (3.5m), 17s period, E swell with cross-shore winds.
  • Most powerful swell: Friday 7 Aug, 9AM (local time) - 41ft (12.5m), 16s period, NE swell with 74,879 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 5 Aug, 3PM (local time) - 11ft (3.5m), 17s period with E 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 Wednesday (Aug 05) at 3PM. The primary swell is predicted to be 3.5m and 17s period. The wind is predicted to be cross-shore as the swell arrives.

The most powerful waves expected at Yona Bay in the next 16 days are 12.5m 16s and forecast to arrive on Friday (Aug 07) at 9AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 13.0m 14s period and expected on Sunday (Aug 09) at 12PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 3PM (Wed 5th Aug)11ft (3.5m) 17s
Best Surf 3PM (Wed 5th Aug)11ft (3.5m) 17s
Most Powerful 9AM (Fri 7th Aug)41ft (12.5m) 16s

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


Short Range Forecast

Heavy rain (total 27mm), heaviest during Thu night. Warm (max 30°C on Tue morning, min 28°C on Tue night). Winds increasing (light winds from the NE on Tue morning, stormy winds from the NNW by Thu night).

Days 4-6 Weather Summary

Heavy rain (total 493mm), heaviest during Sun morning. Warm (max 30°C on Fri night, min 28°C on Fri morning). Winds decreasing (extremely windy from the N on Fri afternoon, light winds from the ESE by Sat afternoon).

Tuesday
4
Wednesday
5
Thursday
6
Friday
7
Saturday
8
Sunday
9
Monday
10
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
3
2
4
2
!
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)
1.7
E
17
1.9
E
17
2.4
E
17
2.5
E
17
3.5
E
17
4.5
ENE
18
5.5
E
18
6
E
18
8
ENE
18
13
NE
16
9
NE
14
7
ENE
12
4.5
E
11
3
E
11
2.1
WNW
10
12
SSW
13
13
SW
14
0.6
E
14
0.6
E
16
5
WNW
14
3.5
WNW
13
Wave Graph
Metric surfscale
Energy kJ
1696
2124
3404
4331
6221
13433
18975
23209
37274
74879
31035
13824
4722
2070
978
0
0
150
179
9043
4076
Wind (km/h)
20
ENE
20
NE
25
ENE
25
NE
30
NNE
40
NNE
50
N
60
N
75
N
115
NNW
135
N
65
NNE
25
ENE
15
ESE
55
SSW
120
SSW
105
SSW
80
SSW
65
SSW
50
SSW
40
SSW
Wind State
cross-off
cross
cross-off
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
10:19AM1.80m
10:38PM1.87m
11:15AM1.66m
11:18PM1.82m
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
Low Tide
4:25PM0.69m
5:06AM0.65m
5:04PM0.88m
6:08AM0.66m
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
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:52
5:52
5:54
5:54
5:54
5:54
5:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:13
7:12
7:12
7:10
7:09
7:08
7:08
 mm
2
2
3
2
1
4
13
50
140
26
7
7
19
134
91
19
4
2
2
Temp °C
30
29
29
29
29
29
29
29
29
29
28
30
30
30
30
29
28
29
30
29
30
Feels °C
33
31
31
30
29
29
26
24
23
15
9
33
34
36
31
15
14
21
25
26
29
  • 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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