Yona Bay Surf Break

Lat Long: 26.76° N 128.19° E

Yona Bay Surf Forecast and Surf Report

Issued: 2 am 05 Aug 2026 (local time)

Forecast update in  hr  min

Today's Yona Bay sea temperature is
30.1° C
1.2° 

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) - 10ft (3.0m), 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 81,629 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 5 Aug, 3PM (local time) - 10ft (3.0m), 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 3.0m and 17s period with a secondary swell of 1.0m 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 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 12.5m 15s period and expected on Saturday (Aug 08) at 12PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 3PM (Wed 5th Aug)10ft (3.0m) 17s
Best Surf 3PM (Wed 5th Aug)10ft (3.0m) 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 277mm), heaviest during Fri morning. Warm (max 30°C on Wed morning, min 28°C on Thu night). Winds increasing (moderate winds from the NE on Wed morning, extremely windy from the N by Fri morning).

Days 4-6 Weather Summary

Heavy rain (total 948mm), heaviest during Sat night. Warm (max 30°C on Mon night, min 28°C on Sat morning). Winds decreasing (extremely windy from the SE on Sat night, fresh winds from the SSW by Mon night).

Wednesday
5
Thursday
6
Friday
7
Saturday
8
Sunday
9
Monday
10
Tuesday
11
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
!
0
0
!
!
!
!
0
0
0
0
0
0
0
0
0
!
2
3
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.5
E
17
3
E
17
4
ENE
17
5
E
16
5.5
E
16
7
E
18
13
NE
16
8
NE
13
1
N
10
12
SSE
14
12
SSE
14
0.3
ENE
15
0.3
ENE
15
0.4
ENE
14
0.6
E
14
5
W
15
4.5
W
14
4
W
14
2.5
WNW
13
2.1
WNW
12
1.5
WNW
10
Wave Graph
Metric surfscale
Energy kJ
4331
5692
10102
12921
15151
27821
81629
22535
200
0
0
43
42
69
144
12323
8603
5335
2377
1211
492
Wind (km/h)
25
NE
30
NNE
35
NNE
50
N
60
N
75
N
120
N
135
NNE
110
E
140
ESE
135
SE
145
SE
135
SSE
135
S
95
SSW
70
SSW
60
SSW
40
SSW
25
SSW
20
SSW
15
SSW
Wind State
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
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
5:22AM1.93m
6:59PM1.87m
Low Tide
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
12:18PM0.23m
00:30AM0.96m
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:52
5:54
5:54
5:54
5:54
5:56
5:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:12
7:12
7:10
7:09
7:08
7:08
7:07
 mm
1
2
1
16
91
81
85
65
77
356
178
143
115
12
2
2
2
Temp °C
30
30
29
29
29
29
29
29
29
29
29
29
28
28
29
28
29
30
30
30
29
Feels °C
31
31
30
26
24
23
14
12
18
12
11
12
9
10
19
21
24
28
32
33
33
  • 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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