Yona Bay Surf Break

Lat Long: 26.76° N 128.19° E

Yona Bay 48 hour detailed Surf Forecast

Issued: 8 pm 16 Aug 2026 (local time)

Forecast update in  hr  min

Today's Yona Bay sea temperature is
28.2° C
0.6° 

Yona Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Yona Bay today (17 Aug):

  • Morning surf: Morning surf (17 Aug, local time) - 2.5ft (0.7m), 10s period with ENE swell.
  • Afternoon surf: Afternoon surf (17 Aug, local time) - 2ft (0.6m), 10s period with ENE swell.
  • Evening surf: Evening surf (17 Aug, local time) - 2ft (0.6m), 10s period with ENE swell.

The current surf forecast for Yona Bay at 3AM is: 0.7m 10s primary swell from a East-northeast direction (forecast issued at 08:00pm August 16). An open ocean swell of 0.4m 7s is not directed at the surf break, a second open ocean swell of 0.7m 5s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (JST) & DateWave HeightWave Period
Morning (17 Aug)2.5ft (0.7m)10s
Afternoon (17 Aug)2ft (0.6m)10s
Evening (17 Aug)2ft (0.6m)10s

Table - waves today at Yona Bay. (Swell directed towards the surf break)


Short Range Forecast

Heavy rain (total 21mm), heaviest during Wed morning. Warm (max 28°C on Sun night, min 27°C on Sun night). Winds increasing (light winds from the ESE on Sun night, strong winds from the E by Tue night).

Sun
16
Monday
17
Tuesday
18
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
0
0
1
1
1
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)
0.6
ENE
10
0.6
ENE
10
0.6
ENE
10
0.7
ENE
10
0.7
ENE
10
0.7
ENE
10
0.7
ENE
10
0.6
ENE
10
0.6
ENE
10
0.6
ENE
10
0.6
ENE
10
0.5
ENE
10
0.6
ENE
10
1.2
E
6
1.3
E
6
1.4
E
6
1.5
E
6
1.9
E
7
Wave Graph
Metric surfscale
Energy kJ
77
77
78
106
106
104
104
77
78
78
77
55
74
0
0
0
173
321
Wind (km/h)
20
ESE
20
ESE
20
ESE
20
ESE
15
ESE
20
E
20
ESE
25
ESE
25
ESE
25
ESE
25
ESE
25
ESE
25
E
25
E
30
ENE
35
ENE
35
ENE
40
E
Wind State
cross-off
cross-off
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
9:25PM2.00m
9:39AM1.90m
9:53PM1.96m
10:20AM1.75m
Low Tide
3:15PM0.45m
3:36AM0.54m
3:44PM0.61m
4:15AM0.58m
4:12PM0.78m
part cloud
clear
clear
clear
clear
part cloud
thunderstorm
thunderstorm
clear
clear
clear
clear
cloud
part cloud
part cloud
clear
clear
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:58
5:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:04
7:02
7:01
 mm
1
1
1
Temp °C
28
28
27
27
27
28
28
28
28
28
28
28
27
28
28
28
28
28
Feels °C
29
29
28
29
29
31
30
30
30
30
30
30
27
28
28
28
28
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
How to use the Wavefinder 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Yona Bay surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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