Yona Bay Surf Break

Lat Long: 26.76° N 128.19° E

Yona Bay Surf Forecast and Surf Report

Issued: 2 pm 19 Aug 2026 (local time)

Forecast update in  hr  min

Today's Yona Bay sea temperature is
28.3° C
0.4° 

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 Aug 2026:

  • Best quality surf: Tuesday 25 Aug, 6PM (local time) - 10ft (3.0m), 16s period, E swell with cross-shore winds.
  • Most powerful swell: Wednesday 26 Aug, 12PM (local time) - 15ft (4.5m), 17s period, E swell with 11,747 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 25 Aug, 6PM (local time) - 10ft (3.0m), 16s 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 Tuesday (Aug 25) at 6PM. The primary swell is predicted to be 3.0m and 16s period. 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 4.5m 17s and forecast to arrive on Wednesday (Aug 26) at 12PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 4.5m 10s period and expected on Saturday (Aug 22) at 12AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 6PM (Tue 25th Aug)10ft (3.0m) 16s
Best Surf 6PM (Tue 25th Aug)10ft (3.0m) 16s
Most Powerful12PM (Wed 26th Aug)15ft (4.5m) 17s

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


Short Range Forecast

Heavy rain (total 26mm), heaviest during Wed night. Warm (max 28°C on Wed afternoon, min 27°C on Wed night). Winds increasing (moderate winds from the SE on Wed night, strong winds from the ESE by Fri night).

Days 5-7 Weather Summary

Moderate rain (total 14mm), heaviest on Sat afternoon. Warm (max 28°C on Sun morning, min 27°C on Sat afternoon). Mainly strong winds.

Wed
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
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
0
0
0
0
0
0
0
0
0
0
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)
1.9
E
7
2
ESE
8
0.3
ENE
8
1.2
S
9
3
ESE
8
2.2
ESE
7
3.5
SE
8
4.5
SE
10
4.5
SSE
10
3
SSE
9
0.2
ENE
9
0.3
E
14
0.2
E
14
1.9
E
6
1.9
E
7
2.1
E
7
1.8
E
7
1.8
ENE
7
1.8
ENE
8
3.5
E
16
Wave Graph
Metric surfscale
Energy kJ
331
0
14
0
0
0
0
0
0
0
8
37
16
307
331
424
339
336
406
5350
Wind (km/h)
35
ESE
30
ESE
30
ESE
25
ESE
45
ESE
45
SE
45
ESE
45
SE
45
ESE
35
SE
40
ESE
35
ESE
35
ESE
35
E
35
E
35
E
30
E
35
ENE
30
NE
30
N
Wind State
cross-off
off
off
cross-off
off
off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-on
High Tide
10:52PM1.81m
12:05PM1.41m
11:25PM1.71m
2:08PM1.31m
00:12AM1.61m
5:30PM1.40m
1:52AM1.53m
5:59PM1.52m
3:46AM1.55m
6:20PM1.63m
4:52AM1.64m
6:39PM1.73m
Low Tide
4:38PM0.95m
5:49AM0.73m
5:04PM1.11m
7:00AM0.80m
5:33PM1.26m
8:42AM0.81m
8:14PM1.38m
10:14AM0.74m
10:49PM1.33m
11:09AM0.64m
11:39PM1.22m
11:48AM0.53m
00:10AM1.10m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:00
6:01
6:01
6:01
6:03
6:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:00
7:00
6:59
6:58
6:57
6:55
6:54
 mm
2
5
1
2
4
2
2
5
3
2
3
2
1
2
2
2
Temp °C
28
28
28
28
27
27
27
27
28
27
27
28
28
27
28
28
28
28
28
27
Feels °C
28
29
30
30
26
24
24
23
27
26
26
27
27
26
28
27
28
28
29
27
  • 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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