Yonabaru surfForecast / Okinawa / Japan

information circle12 Day Weather and Surf, issued 8 pm Wednesday 10 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
24.9° C
(Which is slightly warmer than usual)


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 Thursday (Dec 11) at 3PM. The primary swell is predicted to be 1.2m and 8s period with a secondary swell of 0.3m and 6s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Yonabaru in the next 12 days are 2.5m 9s and forecast to arrive on Sunday (Dec 14) at 12PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 6s period and expected on Saturday (Dec 13) at 9PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 3PM (Thu 11th Dec)4ft (1.2m) 8s
Best Surf 3AM (Sat 13th Dec)5ft (1.5m) 7s
Most Powerful12PM (Sun 14th Dec)8ft (2.5m) 9s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Moderate rain (total 12mm), heaviest on Thu afternoon. Warm (max 24°C on Thu morning, min 20°C on Thu night). Mainly fresh winds.

Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Sun morning. Warm (max 21°C on Sat night, min 17°C on Sun morning). Winds decreasing (fresh winds from the NNW on Sat night, light winds from the E by Tue morning).

Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wed
17
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
1
0
0
0
1
2
1
0
0
0
1
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.1
ESE
1.4
ESE
1.2
ESE
1.4
NNW
2.2
NE
2.2
ENE
1.1
NNW
1.5
SE
1.1
SE
1.9
NNW
2.5
NNW
2.5
NNW
2
NNW
1.7
NNW
1.4
NNW
0.9
NNW
0.7
ESE
0.6
ESE
0.6
ESE
0.9
ESE
0.8
ESE
Period(s) (?)878777878789988810101099
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1731961541714124501712101733289731060632380257991007471141108
Wind
(km/h)
20
SE
15
S
20
WSW
25
NNE
25
NE
30
NE
10
NNE
15
WSW
20
NW
30
NNW
35
N
35
N
25
NNE
25
NNE
20
NE
20
ENE
15
ENE
15
ENE
20
E
20
E
25
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
crossoffcross-
on
cross-
on
cross-
on
crosscross-
off
cross-
off
cross-
off
crosscrosscrosscrosscross-
on
cross-
on
ononononcross-
on
High Tide
/ height (m)
9:48PM
1.69
11:37AM
1.64
10:50PM
1.57
12:28PM
1.63
12:08AM
1.47
1:20PM
1.64
1:38AM
1.43
2:10PM
1.67
3:04AM
1.45
2:58PM
1.72
4:16AM
1.51
3:42PM
1.77
5:15AM
1.59
4:25PM
1.83
Low Tide
/ height (m)
4:43AM
0.32
5:18PM
0.96
5:36AM
0.47
6:30PM
0.89
6:35AM
0.61
7:44PM
0.77
7:39AM
0.72
8:51PM
0.62
8:43AM
0.81
9:48PM
0.45
9:42AM
0.87
10:37PM
0.28
10:35AM
0.90
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wed
17
Sunrise-7:05--7:05--7:05--7:07--7:07--7:07--7:09-
Sunset--5:37--5:37--5:37--5:37--5:38--5:38--5:38
part cloud
rain showers
rain showers
part cloud
rain showers
rain showers
rain showers
part cloud
part cloud
cloud
light rain
part cloud
part cloud
clear
clear
part cloud
part cloud
light rain
rain showers
part cloud
part cloud
Rain (mm)
-26-112---1------11--
Temp. °C232423212221212322211717171819182019202120
Feels °C (?)212323181817192321171010111214131717181716
  • 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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