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Surf Forecasts:

Yona Bay surfForecast / Okinawa / Japan

information circle48hr Weather and Surf, issued 2 am Monday 12 Jan 2026 JST
Forecast update in hr  min  s Forecast update imminent
Yona Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Yona Bay sea temperature is
22.3° C
 (Which is normal for this time of year)

How big are the waves at Yona Bay today?

The current surf forecast for Yona Bay at 7AM is: 2.3m 10s primary swell from a North-northwest direction and 0.2m 10s secondary swell from a East direction (forecast issued at 02:00am January 12). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (12 Jan)7ft (2.1m)10s
Afternoon (12 Jan)5ft (1.6m)10s
Evening (12 Jan)4.5ft (1.3m)9s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Monday
12
Tuesday
13
Wednesday
14
0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM
Rating
(10 max)
0
0
2
2
2
1
1
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
3
NNW
2.5
NNW
2.3
NNW
2.1
NNW
1.8
NNW
1.6
NNW
1.4
NNW
1.3
NNW
1.1
NNW
1
NNW
0.9
NNW
0.8
NNW
0.6
NNW
0.9
NW
1.1
NW
1
NNW
1
NNW
1
NNW
0.8
NNW
0.9
N
0.8
N
0.6
N
0.6
N
0.8
N
Period(s) (?)111010101010999888776666766666
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1906148911098806124723152621721289271438691808888636651282852
Wind
(km/h)
30
NNW
25
N
15
N
10
N
10
NNW
10
NNW
5
NW
5
WSW
10
SW
10
SW
10
WSW
15
SW
20
WNW
15
WNW
20
NNW
25
NNW
20
NNW
20
NNW
20
N
20
NNE
15
NE
20
NE
20
E
20
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		ononglasscrosscrosscrosscrosscross-
on		ononcross-
on		cross-
on		cross-
on		cross-
on		cross-
on		crosscrosscross-
off		cross-
off
High Tide
/ height (m)
1:36AM
1.11
1:20PM
1.42
3:31AM
1.09
2:20PM
1.39
5:09AM
1.15
3:22PM
1.39
Low Tide
/ height (m)
6:48AM
0.80
8:45PM
0.53
7:57AM
0.92
9:58PM
0.45
9:28AM
0.99
Monday
12
Tuesday
13
Wednesday
14
Sunrise---7:16-------7:16-------7:16----
Sunset-----5:52-------5:52-------5:53--
cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
clear
clear
cloud
clear
cloud
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
Rain (mm)
------------------------
Temp. °C151515151515161515151617181819181817161617181818
Feels °C (?)8911121212141412121314151515131313121213131413
  • 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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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.

View detailed surf forecast for Yona Bay at:
surf-forecast.com

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