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Yona Bay surfForecast / Okinawa / Japan

information circle12 Day Weather and Surf, issued 8 pm Monday 08 Dec 2025 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
24.5° C
(Which is slightly warmer than usual)


Best Forecast Surf Conditions for Yona Bay this week:

The surf forecast for Yona Bay over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Dec 10) at 12PM. The primary swell is predicted to be 1.1m and 8s period with a secondary swell of 0.7m and 7s. Another secondary swell of 0.1m and 7s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Yona Bay in the next 12 days are 3.5m 10s and forecast to arrive on Sunday (Dec 14) at 6PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.0m 8s period and expected on Saturday (Dec 13) at 3PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+)12PM (Wed 10th Dec)3.5ft (1.1m) 8s
Best Surf12PM (Sat 13th Dec)6.5ft (2.0m) 8s
Most Powerful 6PM (Sun 14th Dec)11ft (3.5m) 10s

Table - best surf conditions forecast for Yona Bay over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 2mm), mostly falling on Thu afternoon. Warm (max 23°C on Thu morning, min 20°C on Mon night). Winds decreasing (fresh winds from the NNE on Mon night, light winds from the WSW by Thu afternoon).

Days 3-6 Weather Summary Heavy rain (total 34mm), heaviest during Sat night. Warm (max 22°C on Sat morning, min 17°C on Sun afternoon). Winds increasing (calm on Thu night, strong winds from the NNW by Sun afternoon).

Tuesday
09
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Mon
15
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
1
1
1
0
0
0
0
0
0
2
1
1
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.8
NNE
1.3
N
1
NNE
1.5
ENE
1.1
E
1.1
E
0.4
NNW
0.3
NNW
0.2
N
0.4
NE
1.5
NNE
1
NNW
1.6
NNW
1.8
E
0.8
NNW
1.5
E
3
NNW
3.5
NW
3
NNW
2.5
NNW
2.4
NNW
Period(s) (?)4677886651067979989101010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)201061022431731731262241359635828910133412591984198412311037
Wind
(km/h)
30
NNE
30
NNE
25
NNE
25
ENE
20
ENE
20
E
20
SE
15
SSE
10
SSW
25
N
30
NNE
35
NNE
25
ENE
25
E
15
SSE
30
NNW
40
NNW
45
NNW
40
NNW
35
NNW
40
NNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscross-
off
cross-
off
cross-
off
offoffcross-
off
cross-
on
crosscrosscross-
off
cross-
off
offcross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
High Tide
/ height (m)
10:32AM
1.60
9:39PM
1.66
11:22AM
1.55
10:36PM
1.52
12:15PM
1.51
11:45PM
1.38
1:11PM
1.49
1:12AM
1.27
2:06PM
1.49
2:48AM
1.24
2:58PM
1.51
4:10AM
1.27
3:43PM
1.53
Low Tide
/ height (m)
3:47AM
0.03
4:02PM
0.84
4:34AM
0.18
5:02PM
0.84
5:26AM
0.34
6:12PM
0.82
6:22AM
0.50
7:30PM
0.77
7:23AM
0.64
8:46PM
0.67
8:29AM
0.75
9:49PM
0.55
9:31AM
0.82
Tuesday
09
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Mon
15
Sunrise-7:03--7:03--7:05--7:05--7:05--7:05--7:07-
Sunset--5:34--5:34--5:34--5:35--5:35--5:35--5:36
part cloud
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
rain showers
rain showers
part cloud
cloud
rain showers
rain showers
rain showers
heavy rain
light rain
light rain
cloud
cloud
cloud
Rain (mm)
--------24--2312121---
Temp. °C212120202120212322212120212222201917161616
Feels °C (?)17151515181719222122161417202121128788
  • Map Icons:
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  • 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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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 12 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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