Yona Bay Surf Break

Lat Long: 26.76° N 128.19° E

Yona Bay Surf Forecast and Surf Report

Issued: 2 pm 08 Sep 2026 (local time)

Forecast update in  hr  min

Today's Yona Bay sea temperature is
28.3°C
0.2° 

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 8 Sep 2026:

  • Best quality surf: Thursday 10 Sep, 3PM (local time) - 5ft (1.5m), 10s period, N swell with cross-offshore winds.
  • Most powerful swell: Thursday 10 Sep, 3PM (local time) - 5ft (1.5m), 10s period, N swell with 422 kJ wave energy.
  • Next surfable swell (1★+): Thursday 10 Sep, 3PM (local time) - 5ft (1.5m), 10s 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 Thursday (Sep 10) at 3PM. The primary swell is predicted to be 1.5m and 10s period. 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 1.5m 10s and forecast to arrive on Thursday (Sep 10) at 3PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 6s period and expected on Saturday (Sep 12) at 9AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 3PM (Thu 10th Sep)5ft (1.5m) 10s
Best Surf 3PM (Thu 10th Sep)5ft (1.5m) 10s
Most Powerful 3PM (Thu 10th Sep)5ft (1.5m) 10s

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


Short Range Forecast

Light rain (total 3mm), mostly falling on Thu night. Warm (max 29°C on Fri morning, min 26°C on Wed night). Winds decreasing (fresh winds from the NNW on Tue afternoon, light winds from the NE by Thu morning).

Days 5-7 Weather Summary

Light rain (total 8mm), mostly falling on Sun afternoon. Warm (max 29°C on Fri afternoon, min 27°C on Fri night). Wind will be generally light.

Tue
8
Wednesday
9
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
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
1
2
2
1
1
1
1
0
0
0
0
1
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)
1.8
NNW
9
1.4
NNW
8
1.4
N
8
1.4
N
8
1.4
N
8
1.5
N
9
1.5
N
10
1.2
N
9
1
N
9
0.8
N
8
0.4
ENE
14
0.4
ENE
14
0.5
E
14
0.5
E
14
0.5
E
14
0.5
E
14
1.1
E
8
1.1
E
8
1
E
9
1.1
E
9
Wave Graph
Metric surfscale
Energy kJ
488
238
251
264
257
380
422
246
151
84
64
66
103
103
97
101
133
160
153
194
Wind (km/h)
35
NNW
25
N
25
N
25
NNW
25
N
10
NNE
10
ENE
10
E
15
SE
20
ESE
20
SE
25
ESE
20
E
20
E
25
ENE
25
ENE
20
ENE
20
ENE
20
ENE
20
E
Wind State
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-off
cross-off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
6:01PM1.79m
5:23AM1.89m
6:31PM1.88m
6:11AM2.01m
6:59PM1.95m
6:53AM2.08m
7:25PM2.00m
7:31AM2.09m
7:50PM2.03m
8:07AM2.06m
8:15PM2.04m
8:42AM1.97m
8:40PM2.02m
Low Tide
11:38PM0.96m
12:03PM0.33m
00:17AM0.78m
12:40PM0.31m
00:52AM0.61m
1:14PM0.33m
1:26AM0.48m
1:45PM0.39m
1:58AM0.40m
2:13PM0.49m
2:31AM0.37m
2:40PM0.60m
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
thunderstorm
thunderstorm
part cloud
thunderstorm
clear
clear
clear
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:09
6:09
6:09
6:11
6:11
6:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:39
6:38
6:37
6:37
6:36
6:35
6:32
 mm
2
1
1
1
4
2
4
3
Temp °C
27
27
27
27
27
27
28
28
29
29
27
28
28
27
27
27
27
27
27
27
Feels °C
27
28
27
27
28
31
32
33
32
32
30
31
30
30
28
28
29
29
29
29
  • 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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