Uchiumi Surf Break

Lat Long: 31.76° N 131.48° E

Uchiumi Surf Forecast and Surf Report

Issued: 2 pm 15 Jul 2026 (local time)

Forecast update in  hr  min

Today's Uchiumi sea temperature is
27.7° C
0.4° 

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


Uchiumi surf forecast from 15 Jul 2026:

  • Best quality surf: Wednesday 15 Jul, 9PM (local time) - 2ft (0.6m), 8s period, S swell with offshore winds.
  • Most powerful swell: Wednesday 22 Jul, 9PM (local time) - 2.5ft (0.8m), 11s period, E swell with 154 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 15 Jul, 9PM (local time) - 2ft (0.6m), 8s period with S swell.

Best Forecast Surf Conditions for Uchiumi this week:

The surf forecast for Uchiumi over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Jul 15) at 9PM. The primary swell is predicted to be 0.6m and 8s period with a secondary swell of 0.4m and 10s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Uchiumi in the next 16 days are 0.8m 11s and forecast to arrive on Wednesday (Jul 22) at 9PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 5s period and expected on Sunday (Jul 19) at 6PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Wed 15th Jul)2ft (0.6m) 8s
Best Surf 9PM (Wed 15th Jul)2ft (0.6m) 8s
Most Powerful 9PM (Wed 22nd Jul)2.5ft (0.8m) 11s

Table - best surf conditions forecast for Uchiumi over the next 16 days.


The Lowdown

Alright folks, Rusty here. Let’s take a look at what’s on offer for Uchiumi.

To be straight with you, the next week and a half is a real struggle. We’ve got a long stretch of small, weak surf and sketchy conditions. From the 15th right through to the 22nd, it’s mostly tiny waves with combined energy struggling to hit triple digits, often sitting between 47 and 175. The swell is tiny, around 1ft to 3ft from the ESE or E, with a period of 9 to 11 seconds. It’s marginal at best, and honestly, most days are getting a “poor surf conditions” tag. The wind is a nightmare too – swinging from cross to cross-onshore, and even when it goes glassy in the morning, the swell is just too weak to bother with. Saturday the 19th has a glassy morning, but the swell is still only 2ft, so it’s a session for the log or maybe a paddle.

Now, the first real glimmer of hope comes on the morning of Thursday the 23rd. The swell picks up to 3ft from the E at 11 seconds, and the combined energy jumps to 164. It’s still not huge, but with glassy conditions, it’s “surfable waves but very ordinary conditions.” That’s the best we’ve seen in over a week. Friday the 24th morning is similar, with glassy winds and 2ft, 11-second swell (energy 144).

But the real standout, the one to circle on your calendar, is the morning of Wednesday the 30th of July. This is a proper long-range promise. The swell builds to 5ft from the ESE with a very long period of 16 seconds. The combined energy is a massive 1,195. That’s a serious groundswell. Now, the caveat: it’s a long-period swell, which loves a point or a reef, and Uchiumi is a reef break, so it could set up nicely. The wind is a light cross-onshore from the NNE, which isn’t perfect, but it’s light. The afternoon of the 30th holds 6ft swell from the ESE at 15 seconds (energy 1,282), but it goes onshore from the ENE. For experts, that morning window on the 30th is the one to watch. The water temperature is sitting at 82°F, which is pretty much normal for this time of year, so no surprises there.

The 28th and 29th also show some building energy, but the wind is cross-onshore, making it a messy proposition. The 30th morning is the clear pick of the whole 16-day window.

So, to sum it up: a long, flat, frustrating run until the 23rd, then a slow build, with the real pay-off coming at the end of the month. For now, keep the board waxed and wait for that 30th.

Rusty.

Short Range Forecast

Light rain (total 2mm), mostly falling on Fri afternoon. Warm (max 34°C on Wed afternoon, min 26°C on Thu night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 33°C on Sat afternoon, min 26°C on Sat night). Wind will be generally light.

Wed
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
0
1
0
0
0
0
0
0
1
1
0
0
0
1
0
0
1
0
0
1
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
ESE
10
0.9
SSW
8
0.4
ESE
10
0.4
ESE
9
0.4
ESE
9
0.5
E
10
0.5
E
10
0.4
ESE
10
0.6
E
9
0.6
E
9
0.6
E
9
0.6
E
9
0.6
E
9
0.6
E
9
0.6
E
9
0.6
E
9
0.7
E
10
0.7
E
9
0.7
E
10
0.7
E
10
0.8
E
11
Wave Graph
Metric surfscale
Energy kJ
33
112
31
29
29
47
45
31
58
58
57
54
59
61
60
58
87
83
87
96
146
Wind (km/h)
25
W
15
WSW
10
W
10
NNW
10
WSW
5
NNE
5
E
10
W
5
SW
10
SW
10
W
0
S
20
SE
10
NW
10
NNE
10
ESE
5
NW
10
NNE
10
SE
5
WNW
5
NE
Wind State
off
off
off
cross
off
glassy
on
off
glassy
off
off
glassy
cross
cross-off
cross-on
cross-on
glassy
cross-on
cross
cross-off
cross-on
High Tide
7:29PM2.10m
6:28AM2.11m
7:59PM2.10m
7:10AM2.09m
8:29PM2.09m
7:52AM2.04m
9:00PM2.05m
8:37AM1.95m
9:31PM2.01m
9:27AM1.84m
10:04PM1.96m
10:26AM1.70m
10:41PM1.91m
11:45AM1.58m
Low Tide
00:58AM1.06m
1:15PM0.09m
1:34AM0.99m
1:50PM0.18m
2:12AM0.92m
2:26PM0.31m
2:52AM0.87m
3:01PM0.49m
3:35AM0.83m
3:38PM0.68m
4:26AM0.80m
4:17PM0.90m
5:27AM0.77m
part cloud
clear
clear
part cloud
clear
part cloud
thunderstorm
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:18
5:18
5:20
5:20
5:20
5:22
5:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:21
7:20
7:20
7:19
7:19
7:17
7:17
7:16
 mm
2
Temp °C
34
28
34
33
28
30
29
28
31
33
28
30
30
28
29
29
28
28
29
28
29
Feels °C
34
31
37
37
33
35
34
33
35
37
33
34
33
32
32
34
34
32
33
33
33
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  • 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 Uchiumi Surf forecast

The above surf forecast table for Uchiumi provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Uchiumi can be found by selecting the local surf guide option on the grey menu. Our Uchiumi 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 (Uchiumi) 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 Uchiumi 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.

Uchiumi is 19 km (12 miles) from Miyazaki-shi. If you plan a holiday in Kyu Shu, look for hotels and other accommodation in Miyazaki-shi. Miyazaki-shi has rooms for a wide range of budgets as well as car hire and transport links.

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