Yona Bay Surf Break

Lat Long: 26.76° N 128.19° E

Yona Bay 48 hour detailed Surf Forecast

Issued: 2 am 18 Aug 2026 (local time)

Forecast update in  hr  min

Today's Yona Bay sea temperature is
28.4° C
0.4° 

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 (18 Aug):

  • Morning surf: Morning surf (18 Aug, local time) - 2ft (0.6m), 10s period with ENE swell.
  • Afternoon surf: Afternoon surf (18 Aug, local time) - 4.5ft (1.3m), 6s period with E swell.
  • Evening surf: Evening surf (18 Aug, local time) - 4.5ft (1.4m), 6s period with E swell.

The current surf forecast for Yona Bay at 7AM is: 0.5m 10s primary swell from a East-northeast direction (forecast issued at 02:00am August 18). An open ocean swell of 0.4m 8s is not directed at the surf break, a second open ocean swell of 1.2m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (18 Aug)2ft (0.6m)10s
Afternoon (18 Aug)4.5ft (1.3m)6s
Evening (18 Aug)4.5ft (1.4m)6s

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


Short Range Forecast

Heavy rain (total 29mm), heaviest during Thu night. Warm (max 28°C on Tue morning, min 26°C on Thu night). Mainly strong winds.

Tuesday
18
Wednesday
19
Thursday
20
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
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
0
0
0
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
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
ENE
10
0.6
ENE
10
0.5
ENE
10
0.6
ENE
10
1.3
E
6
1.3
E
6
1.4
E
6
1.4
E
6
1.4
E
6
1.5
E
6
1.5
E
7
1.6
E
7
1.5
E
7
1.6
E
7
1.7
ESE
7
1.8
ESE
7
1.9
ESE
7
2.1
ESE
8
2.1
ESE
8
2
ESE
8
1.9
ESE
8
2.1
SE
8
2.1
SE
8
2.1
SE
8
Wave Graph
Metric surfscale
Energy kJ
77
75
54
72
0
123
0
144
153
181
204
232
214
236
0
0
0
0
0
0
0
0
0
0
Wind (km/h)
25
ESE
25
ESE
25
ESE
25
E
30
E
25
E
30
E
30
E
30
E
30
E
30
E
30
E
35
ESE
30
ESE
30
ESE
30
ESE
30
ESE
35
ESE
35
SE
35
SE
35
SE
45
SE
30
SE
35
SE
Wind State
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
cross-off
cross-off
off
off
off
off
off
off
off
off
High Tide
9:53PM1.96m
10:20AM1.75m
10:22PM1.89m
11:05AM1.58m
10:52PM1.81m
12:05PM1.41m
Low Tide
4:15AM0.58m
4:12PM0.78m
4:58AM0.65m
4:38PM0.95m
5:49AM0.73m
5:04PM1.11m
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:58
6:00
6:00
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:01
7:00
7:00
 mm
1
1
2
3
2
1
1
2
2
1
1
1
1
1
Temp °C
27
27
27
27
28
28
27
28
27
27
27
28
28
28
28
28
27
27
27
27
27
27
27
27
Feels °C
28
28
28
27
29
29
27
29
28
28
27
29
29
29
29
29
28
27
27
27
27
25
28
26
  • 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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