Uchiumi Surf Break

Lat Long: 31.76° N 131.48° E

Uchiumi 48 hour detailed Surf Forecast

Issued: 2 am 12 Aug 2026 (local time)

Forecast update in  hr  min

Today's Uchiumi sea temperature is
28.9° C
0.5° 

Uchiumi surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Uchiumi today (12 Aug):

  • Morning surf: Morning surf (12 Aug, local time) - 4ft (1.2m), 10s period with ENE swell.
  • Afternoon surf: Afternoon surf (12 Aug, local time) - 3.5ft (1.1m), 11s period with E swell.
  • Evening surf: Evening surf (12 Aug, local time) - 2.5ft (0.8m), 12s period with E swell.

The current surf forecast for Uchiumi at 8AM is: 1.2m 10s primary swell from a East-northeast direction and 0.7m 10s secondary swell from a South-southeast direction, 1.0m 6s secondary swell from a North-northeast direction (forecast issued at 02:00am August 12). The wind direction is predicted to be cross-shore.

Time (JST) & DateWave HeightWave Period
Morning (12 Aug)4ft (1.2m)10s
Afternoon (12 Aug)3.5ft (1.1m)11s
Evening (12 Aug)2.5ft (0.8m)12s

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


Short Range Forecast

Mostly dry. Warm (max 29°C on Thu afternoon, min 24°C on Thu night). Wind will be generally light.

Wednesday
12
Thursday
13
Friday
14
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
2
0
1
3
0
0
1
2
1
1
1
1
0
0
0
1
1
1
1
1
0
0
0
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.1
E
11
1.1
E
11
1.2
ENE
10
1.2
ENE
10
1.2
E
11
1.1
E
11
1
E
12
0.8
E
12
0.7
E
11
0.7
E
11
0.6
E
10
0.6
E
10
0.6
E
10
0.6
E
10
0.6
S
9
0.6
E
10
0.6
E
10
0.6
E
10
0.6
E
9
0.6
E
9
0.7
E
9
0.7
E
10
0.6
E
11
0.8
E
11
Wave Graph
Metric surfscale
Energy kJ
279
275
306
306
332
274
266
171
112
110
76
72
71
69
56
68
66
64
62
62
85
87
81
144
Wind (km/h)
5
NNW
20
NNE
15
N
5
NW
15
E
20
SSE
20
S
10
W
5
W
5
WNW
5
WNW
5
NNE
10
SE
20
SSE
20
S
15
SSW
10
SW
5
W
0
W
5
SE
10
SE
15
SE
15
SSE
10
S
Wind State
glassy
cross-on
cross-on
glassy
on
cross
cross-off
off
cross-off
glassy
glassy
glassy
cross-on
cross
cross-off
cross-off
cross-off
glassy
glassy
glassy
cross-on
cross-on
cross
cross-off
High Tide
5:01AM2.07m
6:31PM2.13m
5:44AM2.15m
6:57PM2.16m
6:25AM2.20m
7:23PM2.17m
Low Tide
11:33PM1.13m
11:47AM0.18m
00:07AM1.00m
12:23PM0.17m
00:39AM0.87m
12:56PM0.22m
thunderstorm
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:35
5:37
5:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:00
7:00
6:59
 mm
1
Temp °C
27
25
25
26
28
28
27
26
25
25
25
27
27
29
28
26
25
24
24
26
28
28
27
26
Feels °C
31
25
26
29
29
28
28
29
28
29
28
31
29
30
30
28
28
27
28
29
30
30
29
29
  • 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
How to use the Wavefinder 

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 Uchiumi 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.


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