Uchiumi Surf Break

Lat Long: 31.76° N 131.48° E

Uchiumi 48 hour detailed Surf Forecast

Issued: 8 pm 17 Sep 2026 (local time)

Forecast update in  hr  min

Today's Uchiumi sea temperature is
28.1°C
0.6° 

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 (18 Sep):

  • Morning surf: Morning surf (18 Sep, local time) - 6ft (1.9m), 8s period with E swell.
  • Afternoon surf: Afternoon surf (18 Sep, local time) - 8ft (2.5m), 9s period with E swell.
  • Evening surf: Evening surf (18 Sep, local time) - 10ft (3.0m), 10s period with E swell.

The current surf forecast for Uchiumi at 1AM is: 1.7m 7s primary swell from a East direction and 1.4m 7s secondary swell from a East direction, 0.5m 12s secondary swell from a East direction (forecast issued at 08:00pm September 17). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (18 Sep)6ft (1.9m)8s
Afternoon (18 Sep)8ft (2.5m)9s
Evening (18 Sep)10ft (3.0m)10s

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


Short Range Forecast

Heavy rain (total 56mm), heaviest during Fri night. Warm (max 28°C on Sun afternoon, min 24°C on Sat night). Wind will be generally light.

Thu
17
Friday
18
Saturday
19
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
1
0
0
0
0
0
0
0
2
4
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.5
E
7
1.6
E
7
1.6
E
7
1.5
E
7
1.6
E
7
1.9
E
8
2.2
E
8
2.5
E
9
2.5
E
9
3
E
10
3
E
10
2.5
E
10
2.5
E
10
2.5
E
10
2.5
E
10
3
E
12
3.5
ESE
15
3.5
ESE
14
Wave Graph
Metric surfscale
Energy kJ
216
255
247
216
261
421
655
1113
1279
1493
1523
1403
1303
1375
1275
2184
5106
4563
Wind (km/h)
25
NE
20
NE
20
NE
15
NE
20
ENE
20
ENE
20
ENE
20
ENE
20
ENE
20
ENE
20
ENE
25
NE
25
NE
25
NE
20
NE
15
NE
10
NNE
10
N
Wind State
on
cross-on
on
on
on
on
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
8:48PM1.96m
10:56AM1.65m
9:22PM1.85m
1:02PM1.59m
Low Tide
3:56AM0.54m
3:38PM1.34m
5:05AM0.65m
4:58PM1.49m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
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
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:17
6:16
6:15
 mm
3
4
4
5
5
4
4
4
3
6
7
5
4
1
Temp °C
25
25
25
25
25
25
25
25
25
25
25
25
25
25
26
26
26
25
Feels °C
25
26
27
27
26
26
26
26
26
26
26
25
25
25
27
27
28
27
  • 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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