Uchizuma surfForecast / Shikoku / Japan

information circle12 Day Weather and Surf, issued 8 pm Thursday 03 Jul 2025 JST
Forecast update in hr  min  s Forecast update imminent
Uchizuma surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Uchizuma sea temperature is
25.7° C
(Which is normal for this time of year)


Best Forecast Surf Conditions for Uchizuma this week:

The surf forecast for Uchizuma over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Jul 04) at 3AM. The primary swell is predicted to be 0.8m and 10s period with a secondary swell of 0.5m and 10s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Uchizuma in the next 12 days are 3.0m 11s and forecast to arrive on Thursday (Jul 10) at 9AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Monday (Jul 07) at 9AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Fri 4th Jul)2.5ft (0.8m) 10s
Best Surf 3AM (Thu 10th Jul)7ft (2.1m) 13s
Most Powerful 9AM (Thu 10th Jul)10ft (3.0m) 11s

Table - best surf conditions forecast for Uchizuma over the next 12 days.

Updates in  hr  min  s Forecast update imminent
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tue
15
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.9
SE
0.8
ESE
0.9
ESE
1.1
ESE
1.1
ESE
1.1
ESE
0.9
ESE
0.8
ESE
0.6
ESE
0.6
ESE
0.6
E
0.6
E
0.6
E
0.5
SE
0.5
SE
0.7
SSW
0.5
SE
0.6
ESE
1.5
SSE
3
SSE
2.4
SSE
1.5
S
1.4
S
0.9
SSW
0.9
S
0.8
S
0.9
SSE
0.8
ESE
0.9
ESE
0.9
ESE
0.8
ESE
0.7
ESE
0.7
ESE
0.7
ESE
0.8
ESE
1.5
ESE
Period(s) (?)101010101010999910101012121012117111010910877121211109910107
Wave
Graph
(?)Metric surfscale
Energy (?)19011518525225223818713212112912412412813816222217717050032172082615420304180141214268374309190158162153239619
Wind
(km/h)
5
WSW
5
SE
10
SSW
10
W
5
SE
5
SE
5
NW
5
E
5
SE
5
NW
10
ENE
5
SE
0
WSW
5
SE
15
SE
0
N
5
E
10
SE
0
WNW
10
NE
10
ESE
0
WNW
5
E
10
SE
0
ENE
10
ESE
10
SE
5
ESE
5
ESE
10
SSE
10
SSE
5
SSE
10
SSE
5
S
5
ESE
10
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crossglasscross-
on
cross-
off
glassonoffglassglasscross-
off
crosscross-
on
glassglassonglassglassonglasscross-
off
cross-
on
glassglassonglasscross-
on
cross-
on
glasscross-
on
ononglassononcross-
on
on
High Tide
/ height (m)
11:51PM
1.50
1:08PM
1.24
12:36AM
1.48
2:45PM
1.28
1:27AM
1.47
3:58PM
1.37
2:21AM
1.49
4:50PM
1.46
3:12AM
1.53
5:31PM
1.55
4:00AM
1.58
6:08PM
1.61
4:44AM
1.65
6:42PM
1.66
5:25AM
1.71
7:15PM
1.70
6:05AM
1.75
7:47PM
1.72
6:45AM
1.77
8:19PM
1.73
7:27AM
1.75
8:51PM
1.72
8:13AM
1.69
Low Tide
/ height (m)
6:48AM
0.74
6:14PM
0.98
7:52AM
0.65
7:31PM
1.07
8:50AM
0.55
8:50PM
1.11
9:40AM
0.44
9:54PM
1.10
10:24AM
0.34
10:43PM
1.08
11:05AM
0.24
11:23PM
1.04
11:44AM
0.16
12:00AM
1.00
12:22PM
0.10
12:36AM
0.95
12:58PM
0.08
1:12AM
0.90
1:34PM
0.10
1:50AM
0.85
2:10PM
0.16
2:31AM
0.79
2:47PM
0.28
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tue
15
Sunrise-4:56--4:56--4:56--4:58--4:58--4:58--4:58--5:00--5:00--5:01--5:01--5:01-
Sunset--7:15--7:15--7:15--7:15--7:15--7:15--7:15--7:15--7:14--7:14--7:14--7:13
part cloudrain showersthunderstorm part cloudpart cloudthunderstorm clearclearclearclearrain showersthunderstorm thunderstorm clearclearclearclearpart cloudpart cloudpart cloudclearclearclearclearrain showersrain showersclearrain showersthunderstorm thunderstorm mod rainthunderstorm light raincloudpart cloudclear
Rain (mm)
-13--1----111-----------12-332733---
Temp. °C272930273131283131283130273029253030263030273030262929262828262626252627
Feels °C (?)323435323536333435333534333331303232303333323332323333313332313130292930

Short Range Forecast: Light rain (total 5mm), mostly falling on Fri afternoon. Warm (max 31°C on Sat morning, min 26°C on Thu night). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 3mm), mostly falling on Mon morning. Warm (max 31°C on Mon morning, min 25°C on Tue night). Wind will be generally light.

Days 6-9 Weather Summary Light rain (total 3mm), mostly falling on Fri night. Warm (max 30°C on Thu morning, min 26°C on Wed night). Wind will be generally light.

Long Range Forecast: Heavy rain (total 21mm), heaviest during Sun morning. Warm (max 28°C on Sun morning, min 25°C on Sun night). Wind will be generally light.

  • 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 12 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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