Yona Bay Surf Break

Lat Long: 26.76° N 128.19° E

Yona Bay Surf Forecast and Surf Report

Issued: 8 am 03 Aug 2026 (local time)

Forecast update in  hr  min

Today's Yona Bay sea temperature is
29.9° C
1.0° 

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 3 Aug 2026:

  • Best quality surf: Wednesday 5 Aug, 9AM (local time) - 10ft (3.0m), 18s period, E swell with cross-shore winds.
  • Most powerful swell: Friday 7 Aug, 3PM (local time) - 41ft (12.5m), 14s period, NNW swell with 57,939 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 5 Aug, 9AM (local time) - 10ft (3.0m), 18s 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 9AM. The primary swell is predicted to be 3.0m and 18s period with a secondary swell of 1.1m and 5s. 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 14s and forecast to arrive on Friday (Aug 07) at 3PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 13.5m 14s period and expected on Saturday (Aug 08) at 3PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 9AM (Wed 5th Aug)10ft (3.0m) 18s
Best Surf 9AM (Wed 5th Aug)10ft (3.0m) 18s
Most Powerful 3PM (Fri 7th Aug)41ft (12.5m) 14s

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


Short Range Forecast

Moderate rain (total 17mm), heaviest on Tue afternoon. Warm (max 30°C on Mon afternoon, min 28°C on Tue night). Winds increasing (light winds from the N on Mon morning, strong winds from the N by Wed night).

Days 4-6 Weather Summary

Heavy rain (total 491mm), heaviest during Sat night. Warm (max 30°C on Thu morning, min 28°C on Fri morning). Winds decreasing (extremely windy from the NNW on Fri morning, moderate winds from the E by Fri night).

Monday
3
Tuesday
4
Wednesday
5
Thursday
6
Friday
7
Saturday
8
Sunday
9
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
2
3
4
!
!
0
!
!
!
!
!
0
2
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)
1.2
E
15
1.4
E
16
1.5
E
16
1.6
E
17
1.9
E
17
2.4
E
17
3
E
18
3.5
E
18
5
ENE
18
5.5
E
18
6
E
18
6.5
ENE
18
9.5
N
12
13
NNW
14
3.5
N
13
2
N
11
14
SSW
14
0.4
NE
15
0.3
ENE
14
0.8
ENE
10
4
W
15
Wave Graph
Metric surfscale
Energy kJ
674
984
1101
1502
2142
3404
5205
7746
14475
19407
20468
27152
25423
57939
4656
1001
0
55
41
133
6271
Wind (km/h)
15
N
20
N
20
NNE
20
NE
20
ENE
25
ENE
30
NE
30
NNE
40
NNE
50
N
60
N
75
N
115
NNW
140
NNW
50
NE
40
ESE
60
SSE
145
SSE
135
SSE
105
SSE
80
SSE
Wind State
cross-on
cross-on
cross-on
cross
cross-off
cross-off
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross
off
off
off
off
cross-off
cross-off
High Tide
9:32AM1.91m
10:05PM1.91m
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
Low Tide
3:49PM0.53m
4:16AM0.66m
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
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:52
5:52
5:52
5:54
5:54
5:54
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:14
7:13
7:12
7:12
7:10
7:09
7:08
 mm
2
2
4
4
2
2
1
1
4
12
92
90
9
3
8
272
129
45
13
Temp °C
29
30
29
30
30
29
30
29
29
30
29
29
29
29
30
30
30
29
28
28
30
Feels °C
31
32
31
33
32
31
31
29
29
27
25
23
14
19
30
31
27
20
9
14
23
  • 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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