Surf Break

Lat Long: 26.76° N 128.19° E

Yona Bay Surf Forecast and Surf Report

Issued: 2 am 25 Sep 2026 (local time)

Forecast update in  hr  min

Today's Yona Bay sea temperature is
28.5°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 24 Sep 2026:

  • Most powerful swell: Tuesday 29 Sep, 6AM (local time) - 8ft (2.4m), 8s period, ENE swell with 623 kJ wave energy.

Best Forecast Surf Conditions for Yona Bay this week:

The most powerful waves expected at Yona Bay in the next 16 days are 2.4m 8s and forecast to arrive on Tuesday (Sep 29) at 6AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 4.5m 12s period and expected on Monday (Sep 28) at 9PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 6AM (Tue 29th Sep)8ft (2.4m) 8s

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


Short Range Forecast

Light rain (total 9mm), mostly falling on Sat afternoon. Warm (max 28°C on Fri afternoon, min 27°C on Fri morning). Winds increasing (light winds from the E on Fri night, strong winds from the E by Sun night).

Days 4-6 Weather Summary

Heavy rain (total 40mm), heaviest during Wed morning. Warm (max 28°C on Mon morning, min 27°C on Tue night). Winds increasing (strong winds from the NE on Mon night, gales from the E by Wed night).

Friday
25
Saturday
26
Sunday
27
Monday
28
Tuesday
29
Wednesday
30
Thursday
1
AM
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
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.3
ENE
10
0.3
ENE
9
0.3
ENE
9
0.3
ENE
9
0.3
ENE
9
0.3
ENE
9
0.3
ENE
8
0.3
ENE
10
3
S
12
3.5
SSE
12
3.5
SE
12
2.3
ENE
7
4.5
SE
12
2.1
E
8
2.1
E
7
4
SE
12
4
SSE
11
2.5
S
11
2
S
10
0.3
ENE
10
1.9
S
11
Wave Graph
Metric surfscale
Energy kJ
18
17
16
16
16
16
14
20
0
0
0
485
0
559
415
0
0
0
0
18
0
Wind (km/h)
15
E
15
E
15
E
15
ESE
15
ENE
15
ESE
20
SE
25
SE
35
ESE
40
E
45
ENE
40
ENE
45
ENE
40
NE
50
ENE
60
E
65
E
60
ESE
55
ESE
55
ESE
50
E
Wind State
cross-off
cross-off
cross-off
off
cross-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
cross-off
cross-off
cross-off
High Tide
6:35PM1.88m
6:38AM1.95m
6:59PM1.95m
7:15AM2.02m
7:24PM2.00m
7:52AM2.04m
7:50PM2.02m
8:32AM2.00m
8:19PM2.02m
9:14AM1.91m
8:50PM1.99m
10:02AM1.77m
9:24PM1.91m
Low Tide
12:20PM0.46m
00:36AM0.60m
12:51PM0.44m
1:05AM0.45m
1:22PM0.47m
1:37AM0.32m
1:53PM0.54m
2:11AM0.24m
2:25PM0.64m
2:49AM0.21m
2:58PM0.77m
3:31AM0.25m
3:33PM0.92m
part cloud
part cloud
part cloud
part cloud
thunderstorm
rain showers
thunderstorm
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
mod rain
thunderstorm
thunderstorm
mod rain
mod rain
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:16
—
—
6:16
—
—
6:16
—
—
6:16
—
—
6:18
—
—
6:18
—
—
6:18
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
6:21
—
—
6:20
—
—
6:19
—
—
6:17
—
—
6:15
—
—
6:15
—
—
6:14
—
 mm
—
—
—
—
2
3
1
—
3
1
1
1
—
2
8
8
5
14
6
6
11
Temp °C
27
28
27
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
Feels °C
28
31
30
31
31
31
30
29
30
26
26
26
26
26
25
22
22
23
24
24
25
  • 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
How to use the Wavefinder 
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Quick surf report for Yona Bay:

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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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