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Surf Forecasts:

Yona Bay surfForecast / Okinawa / Japan

information circle48hr Weather and Surf, issued 8 am Monday 19 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
22.2° 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 3PM is: 0.4m 7s primary swell from a North-northwest direction (forecast issued at 08:00am January 19). An open ocean swell of 1.2m 9s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (JST) & DateWave HeightWave Period
Morning (19 Jan)1.5ft (0.5m)8s
Afternoon (19 Jan)1.5ft (0.4m)7s
Evening (19 Jan)1.5ft (0.5m)7s

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
19
Tuesday
20
Wednesday
21
Thu
22
6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM
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
See all maps
Wave Height (m) & direction (?)
0.5
NNW
0.5
NNW
0.4
NNW
0.4
NNW
0.4
NNW
0.5
N
0.8
NNW
2.1
NNW
2.5
N
3
N
3
N
3
N
3
NNW
3
NNW
2.5
NNW
2.5
NNW
2.5
NNW
2.5
NNW
2.5
NNW
2.5
NNW
3
NNW
3
NNW
3
NNW
3
N
Period(s) (?)88877748899101010101010999991010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)343322211826204941006147314871462147015001368124512181119111912281377160918521877
Wind
(km/h)
15
NE
20
NE
15
NE
15
NE
5
ESE
5
N
20
N
35
NNE
45
NNE
45
N
45
N
40
N
40
N
40
N
35
N
35
N
40
NNW
40
N
35
N
40
N
50
N
45
N
45
N
40
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscrosscross-
off		glasscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on
High Tide
/ height (m)
8:04AM
1.55
7:07PM
1.66
8:31AM
1.59
7:46PM
1.70
8:58AM
1.62
8:26PM
1.71
Low Tide
/ height (m)
1:30PM
0.75
1:54AM
-0.03
2:04PM
0.66
2:27AM
-0.03
2:39PM
0.58
Monday
19
Tuesday
20
Wednesday
21
Thu
22
Sunrise-7:16-------7:16-------7:16------
Sunset---5:58-------5:59--------6:00---
cloud
cloud
light rain
clear
clear
clear
rain showers
rain showers
light rain
light rain
light rain
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
rain showers
cloud
cloud
cloud
Rain (mm)
--1---11221--------11---
Temp. °C202021212020191918171616151515161514141414131313
Feels °C (?)191821212121171411989878975654334
  • 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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