Yona Bay Surf Break

Lat Long: 26.76° N 128.19° E

Yona Bay Surf Forecast and Surf Report

Issued: 2 pm 14 Aug 2026 (local time)

Forecast update in  hr  min

Today's Yona Bay sea temperature is
27.9° C
0.9° 

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 14 Aug 2026:

  • Best quality surf: Saturday 15 Aug, 3AM (local time) - 1.5ft (0.5m), 11s period, ENE swell with glassy winds.
  • Most powerful swell: Wednesday 19 Aug, 9PM (local time) - 5ft (1.6m), 7s period, E swell with 260 kJ wave energy.
  • Next surfable swell (1★+): Saturday 15 Aug, 3AM (local time) - 1.5ft (0.5m), 11s period with ENE 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 Saturday (Aug 15) at 3AM. The primary swell is predicted to be 0.5m and 11s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Yona Bay in the next 16 days are 1.6m 7s and forecast to arrive on Wednesday (Aug 19) at 9PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 6s period and expected on Tuesday (Aug 18) at 3PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Sat 15th Aug)1.5ft (0.5m) 11s
Best Surf 3AM (Sat 15th Aug)1.5ft (0.5m) 11s
Most Powerful 9PM (Wed 19th Aug)5ft (1.6m) 7s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Fri afternoon. Warm (max 29°C on Fri afternoon, min 27°C on Fri night). Wind will be generally light.

Days 5-7 Weather Summary

Light rain (total 6mm), mostly falling on Wed night. Warm (max 28°C on Mon afternoon, min 27°C on Mon afternoon). Wind will be generally light.

Fri
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
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
1
1
1
1
0
1
1
0
0
0
0
0
0
0
1
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)
0.4
ENE
10
0.4
ENE
9
0.6
ENE
11
0.7
ENE
11
0.7
ENE
10
0.7
ENE
10
0.6
ENE
10
0.6
ENE
10
0.7
ENE
10
0.7
ENE
10
0.6
ENE
10
0.6
ENE
10
1.3
E
6
0.5
ENE
9
1.4
E
7
1.5
E
7
1.5
E
7
1.1
E
7
0.8
ENE
7
0.5
ENE
8
Wave Graph
Metric surfscale
Energy kJ
35
28
93
101
90
90
78
78
104
102
77
72
0
47
173
198
229
121
71
33
Wind (km/h)
5
ENE
10
SE
10
ESE
15
ESE
20
ESE
20
ESE
20
ESE
20
SE
20
ESE
20
E
20
ESE
25
E
25
E
20
ESE
25
ENE
25
ENE
20
E
15
E
15
ESE
20
SSE
Wind State
glassy
off
cross-off
off
off
off
cross-off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
High Tide
8:29PM2.02m
8:22AM2.11m
8:57PM2.02m
9:01AM2.03m
9:25PM2.00m
9:39AM1.90m
9:53PM1.96m
10:20AM1.75m
10:22PM1.89m
11:05AM1.58m
10:52PM1.81m
12:05PM1.41m
11:25PM1.71m
Low Tide
2:23AM0.60m
2:44PM0.32m
2:59AM0.55m
3:15PM0.45m
3:36AM0.54m
3:44PM0.61m
4:15AM0.58m
4:12PM0.78m
4:58AM0.65m
4:38PM0.95m
5:49AM0.73m
5:04PM1.11m
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
clear
rain showers
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:58
5:58
5:58
5:58
6:00
6:00
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:05
7:04
7:04
7:02
7:01
7:00
7:00
 mm
2
1
1
1
2
4
5
3
Temp °C
29
28
28
29
27
28
28
27
28
28
27
28
28
27
27
28
27
28
28
27
Feels °C
34
32
32
32
30
30
29
28
29
29
28
29
29
28
28
29
29
32
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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