Uchiumi Surf Break

Lat Long: 31.76° N 131.48° E

Uchiumi 48 hour detailed Surf Forecast

Issued: 2 am 17 Sep 2026 (local time)

Forecast update in  hr  min

Today's Uchiumi sea temperature is
28.0°C
0.4° 

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 (17 Sep):

  • Morning surf: Morning surf (17 Sep, local time) - 4ft (1.2m), 9s period with E swell.
  • Afternoon surf: Afternoon surf (17 Sep, local time) - 3.5ft (1.1m), 6s period with E swell.
  • Evening surf: Evening surf (17 Sep, local time) - 4.5ft (1.3m), 7s period with E swell.

The current surf forecast for Uchiumi at 11AM is: 1.2m 6s primary swell from a East direction and 0.7m 8s secondary swell from a East-southeast direction, 0.5m 13s secondary swell from a East direction (forecast issued at 02:00am September 17). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (17 Sep)4ft (1.2m)9s
Afternoon (17 Sep)3.5ft (1.1m)6s
Evening (17 Sep)4.5ft (1.3m)7s

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


Short Range Forecast

Heavy rain (total 74mm), heaviest during Fri night. Warm (max 26°C on Sat afternoon, min 23°C on Sat night). Wind will be generally light.

Thursday
17
Friday
18
Saturday
19
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)
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
2
2
0
0
0
1
2
4
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
9
0.9
ESE
9
0.9
ESE
9
1.2
E
9
1.2
E
6
1.1
E
6
1.4
E
7
1.3
E
7
1.2
E
7
1.2
E
7
1.1
E
6
2
E
7
2.1
E
8
2.3
E
8
2.5
E
9
2.5
E
9
2.5
E
9
2.5
E
9
2.5
E
10
2.5
ENE
10
2.5
ENE
10
2.4
E
11
2.4
E
11
3
ESE
14
Wave Graph
Metric surfscale
Energy kJ
185
111
111
219
108
91
178
162
146
142
95
439
565
736
973
1041
1174
1215
1175
1132
1152
1465
1439
3516
Wind (km/h)
20
NE
20
NNE
25
NNE
25
NE
20
NE
20
ENE
20
NE
15
NE
20
NE
15
NE
20
ENE
20
ENE
20
E
15
ENE
15
ENE
15
ENE
15
E
15
ENE
20
NE
25
NNE
20
NE
15
NE
10
NNE
10
N
Wind State
cross-on
cross-on
cross-on
cross-on
on
on
on
cross-on
cross-on
on
on
on
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
9:44AM1.80m
8:48PM1.96m
10:56AM1.65m
9:22PM1.85m
1:02PM1.59m
Low Tide
3:06AM0.45m
3:00PM1.17m
3:56AM0.54m
3:38PM1.34m
5:05AM0.65m
4:58PM1.49m
thunderstorm
thunderstorm
rain showers
thunderstorm
thunderstorm
thunderstorm
rain showers
thunderstorm
rain showers
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
rain showers
rain showers
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:58
5:58
5:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:17
6:16
6:15
 mm
2
1
1
1
3
3
3
5
5
5
5
4
4
4
5
6
7
6
5
3
Temp °C
25
24
24
24
25
25
25
25
25
24
25
25
25
25
25
25
25
25
25
24
25
26
26
25
Feels °C
26
25
24
24
26
26
26
27
26
26
27
26
26
27
27
27
27
27
26
24
25
27
28
28
  • 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 

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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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