Yonabaru surfForecast / Okinawa / Japan

information circle12 Day Weather and Surf, issued 8 am Tuesday 30 Dec 2025 JST
Forecast update in hr  min  s Forecast update imminent
Yonabaru surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Yonabaru sea temperature is
23.3° C
(Which is normal for this time of year)


Best Forecast Surf Conditions for Yonabaru this week:

The surf forecast for Yonabaru over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Jan 06) at 3AM. The primary swell is predicted to be 1.5m and 9s period with a secondary swell of 0.2m and 8s. Another secondary swell of 0.5m and 5s is also forecast. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Yonabaru in the next 12 days are 3.0m 9s and forecast to arrive on Thursday (Jan 01) at 6AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 5s period and expected on Monday (Jan 05) at 3AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Tue 6th Jan)5ft (1.5m) 9s
Best Surf 3AM (Tue 6th Jan)5ft (1.5m) 9s
Most Powerful 6AM (Thu 1st Jan)10ft (3.0m) 9s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 31mm), heaviest during Tue afternoon. Warm (max 20°C on Wed morning, min 15°C on Thu night). Mainly fresh winds.

Days 3-6 Weather Summary Light rain (total 6mm), mostly falling on Fri morning. Very mild (max 17°C on Sun night, min 12°C on Fri night). Winds decreasing (fresh winds from the NNW on Fri afternoon, light winds from the NNE by Sat night).

Tuesday
30
Wednesday
31
Thursday
01
Friday
02
Saturday
03
Sunday
04
Monday
05
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
Swell
Height Map
Wave Height (m) & direction (?)
1.4
SE
0.9
ENE
1.4
SE
1.8
ESE
1.7
ESE
3
NNE
2.5
NNE
2.5
NNE
2.1
NNE
2.2
N
2.5
NNW
2.4
NNW
2.1
NNW
1.8
NNW
1.3
NNW
1
NNW
0.9
NNW
0.2
ESE
1.9
NNW
1.5
N
1.6
NNW
Period(s) (?)8138888988889999889799
Wave
Graph
(?)Metric surfscale
Energy kJ (?)22129823543241310511034823560612976918724499270128897316332406
Wind
(km/h)
20
E
20
E
25
ENE
25
ENE
20
NE
35
NNE
30
NE
30
NNE
30
N
35
N
35
NNW
30
N
25
N
25
N
10
NNE
10
NNE
15
NNW
20
NNW
20
NNE
15
NE
5
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
ononcross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscrosscrosscross-
off
crosscrosscrosscross-
on
crosscross-
off
cross-
off
crosscross-
on
cross-
on
High Tide
/ height (m)
2:52PM
1.69
4:43AM
1.47
3:43PM
1.74
5:41AM
1.55
4:31PM
1.79
6:30AM
1.63
5:17PM
1.85
7:11AM
1.69
6:02PM
1.89
7:48AM
1.73
6:44PM
1.92
8:23AM
1.76
7:27PM
1.92
Low Tide
/ height (m)
9:59PM
0.34
9:51AM
0.96
10:51PM
0.19
10:48AM
0.98
11:38PM
0.06
11:39AM
0.96
12:20AM
-0.04
12:24PM
0.93
1:01AM
-0.09
1:06PM
0.88
1:40AM
-0.10
1:46PM
0.83
2:17AM
-0.07
Tuesday
30
Wednesday
31
Thursday
01
Friday
02
Saturday
03
Sunday
04
Monday
05
Sunrise7:15--7:15--7:16--7:16--7:16--7:16--7:16--
Sunset-5:45--5:46--5:47--5:47--5:49--5:50--5:50-
light rain
mod rain
rain showers
light rain
light rain
cloud
light rain
light rain
light rain
light rain
light rain
light rain
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
Rain (mm)
510613-132213---------
Temp. °C191919201918171617151413131415161617161616
Feels °C (?)1717161817131211128657810131311111213
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Yonabaru Surf forecast

The above surf forecast table for Yonabaru provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Yonabaru can be found by selecting the local surf guide option on the grey menu. Our Yonabaru 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 (Yonabaru) 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 Yonabaru 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.

Yonabaru is 5 km (3 miles) from the city of Ginowan. If you plan a holiday in Okinawa, look for hotels and other accommodation in Ginowan. Ginowan has rooms for a wide range of budgets as well as car hire and transport links.

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