Uchizuma Surf Break

Lat Long: 33.64° N 134.38° E

Uchizuma Surf Forecast and Surf Report

Issued: 8 pm 05 Aug 2026 (local time)

Forecast update in  hr  min

Today's Uchizuma sea temperature is
29.1° C
1.5° 

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


Uchizuma surf forecast from 5 Aug 2026:

  • Best quality surf: Thursday 6 Aug, 3AM (local time) - 15ft (4.5m), 15s period, SE swell with cross-offshore winds.
  • Most powerful swell: Thursday 6 Aug, 3PM (local time) - 18ft (5.5m), 15s period, SE swell with 12,734 kJ wave energy.
  • Next surfable swell (1★+): Thursday 6 Aug, 3AM (local time) - 15ft (4.5m), 15s period with SE swell.

Best Forecast Surf Conditions for Uchizuma this week:

The surf forecast for Uchizuma over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 06) at 3AM. The primary swell is predicted to be 4.5m and 15s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Uchizuma in the next 16 days are 5.5m 15s and forecast to arrive on Thursday (Aug 06) at 3PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 3s period and expected on Wednesday (Aug 12) at 6AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Thu 6th Aug)15ft (4.5m) 15s
Best Surf 3AM (Thu 6th Aug)15ft (4.5m) 15s
Most Powerful 3PM (Thu 6th Aug)18ft (5.5m) 15s

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


Short Range Forecast

Heavy rain (total 61mm), heaviest during Fri night. Warm (max 31°C on Thu morning, min 26°C on Wed night). Wind will be generally light.

Days 5-7 Weather Summary

Moderate rain (total 16mm), heaviest on Sun night. Warm (max 30°C on Tue morning, min 25°C on Sun night). Wind will be generally light.

Thursday
6
Friday
7
Saturday
8
Sunday
9
Monday
10
Tuesday
11
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
!
!
!
!
!
!
2
2
1
3
3
2
3
3
2
4
2
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
4.5
SE
15
4.5
SE
14
5.5
SE
15
5
SE
14
4.5
SSE
14
4
SSE
13
3
S
13
2.5
SSW
14
2.4
SSW
14
2.4
SSW
14
2.5
SSW
15
2.5
S
15
2.2
S
14
2.2
S
13
2.1
S
13
1.9
SSW
13
1.8
SSW
12
1.7
SSW
12
1.6
SSW
11
Wave Graph
Metric surfscale
Energy kJ
8711
8087
12734
10229
7776
5896
3088
2659
2345
2297
3156
2902
1902
1684
1561
1269
976
833
603
Wind (km/h)
5
NE
15
NE
20
E
15
NE
20
E
20
ESE
15
E
20
E
15
ESE
10
E
10
ENE
10
ESE
10
ESE
10
E
15
SE
5
SSE
5
SSE
15
S
10
NNW
Wind State
cross-off
cross-off
cross
cross-off
cross
cross-on
cross-on
cross
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
glassy
on
on
off
High Tide
9:52PM1.64m
11:18AM1.36m
10:35PM1.58m
1:18PM1.32m
11:38PM1.53m
3:21PM1.41m
1:11AM1.52m
4:29PM1.55m
2:42AM1.58m
5:14PM1.67m
3:52AM1.69m
5:51PM1.75m
Low Tide
4:44AM0.52m
4:27PM0.97m
6:00AM0.50m
5:43PM1.14m
7:33AM0.43m
7:55PM1.22m
8:57AM0.31m
9:34PM1.16m
10:02AM0.17m
10:33PM1.05m
10:55AM0.05m
11:18PM0.92m
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
rain showers
light rain
thunderstorm
thunderstorm
rain showers
part cloud
cloud
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:16
5:18
5:18
5:18
5:20
5:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:59
6:59
6:58
6:57
6:55
6:54
6:53
 mm
1
9
7
9
21
9
5
4
2
4
4
2
Temp °C
27
31
30
27
28
28
26
28
28
26
27
27
26
27
27
26
30
30
26
Feels °C
31
33
31
30
31
31
29
31
30
30
30
30
30
29
30
30
33
33
30
  • 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 Uchizuma Surf forecast

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

Are you planning a holiday in Shikoku? If you are looking for accommodation near Uchizuma, camping, hotels and holiday cottages in Shikoku, consider staying in Anan which is 40 km (25 miles) away. Other places in and around Shikoku where you can find information about places to rent, and car hire include Muroto which is 45 km (28 miles) away, Komatsushima, Aki and Kamojima.

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