Yona Bay Surf Break

Lat Long: 26.76° N 128.19° E

Yona Bay Surf Forecast and Surf Report

Issued: 8 pm 19 Sep 2026 (local time)

Forecast update in  hr  min

Today's Yona Bay sea temperature is
28.7°C
0.7° 

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 19 Sep 2026:

  • Best quality surf: Wednesday 23 Sep, 9AM (local time) - 3.5ft (1.0m), 8s period, N swell with cross-offshore winds.
  • Most powerful swell: Sunday 20 Sep, 9AM (local time) - 8ft (2.5m), 14s period, E swell with 2,904 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 23 Sep, 9AM (local time) - 3.5ft (1.0m), 8s period with N 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 (Sep 23) at 9AM. The primary swell is predicted to be 1.0m and 8s period with a secondary swell of 0.6m and 10s. 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 2.5m 14s and forecast to arrive on Sunday (Sep 20) 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 0.6m 8s period and expected on Sunday (Sep 27) at 12AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 9AM (Wed 23rd Sep)3.5ft (1.0m) 8s
Best Surf 9AM (Wed 23rd Sep)3.5ft (1.0m) 8s
Most Powerful 9AM (Sun 20th Sep)8ft (2.5m) 14s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Sun morning. Warm (max 28°C on Sat night, min 26°C on Mon morning). Mainly fresh winds.

Days 5-7 Weather Summary

Mostly dry. Warm (max 28°C on Thu afternoon, min 26°C on Tue night). Wind will be generally light.

Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
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)
2.4
E
15
2.5
E
14
3
ENE
14
2.5
ENE
13
1.9
ENE
12
1.5
ENE
12
1.2
ENE
12
0.9
ENE
11
1.2
N
8
1.1
N
8
1
N
8
0.9
N
8
0.8
N
8
0.6
N
8
0.5
N
7
0.3
ENE
9
0.3
ENE
10
0.3
ENE
10
0.3
ENE
9
Wave Graph
Metric surfscale
Energy kJ
2424
2904
2734
2338
1106
655
359
211
191
161
124
95
78
40
25
17
18
18
17
Wind (km/h)
20
N
25
NNE
20
NNE
30
N
30
NNW
25
NNW
25
N
15
NNW
20
NNW
5
N
10
SSW
5
WNW
5
SE
5
ESE
15
ESE
15
ESE
10
SE
10
E
10
E
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-off
glassy
off
glassy
cross-off
off
off
cross-off
cross-off
High Tide
10:56PM1.55m
4:50PM1.40m
00:35AM1.43m
5:12PM1.52m
3:22AM1.45m
5:32PM1.62m
4:34AM1.57m
5:52PM1.72m
5:21AM1.71m
6:13PM1.81m
6:01AM1.84m
6:35PM1.88m
Low Tide
7:30AM0.81m
8:06PM1.37m
9:21AM0.78m
10:36PM1.26m
10:28AM0.69m
11:13PM1.10m
11:12AM0.59m
11:41PM0.94m
11:47AM0.51m
00:08AM0.77m
12:20PM0.46m
00:36AM0.60m
clear
thunderstorm
rain showers
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:13
6:13
6:15
6:15
6:16
6:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:28
6:27
6:24
6:23
6:22
6:22
6:21
 mm
1
1
1
Temp °C
28
28
28
27
27
27
27
27
27
27
27
27
26
27
28
27
28
28
27
Feels °C
30
29
30
27
25
25
25
26
26
27
29
29
29
29
30
30
31
31
30
  • 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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