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Surf Forecasts:

Uchizuma surfForecast / Shikoku / Japan

information circle12 Day Weather and Surf, issued 8 am Sunday 14 Sep 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
28.2° C
 (Which is 1.2°C warmer than 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 Sunday (Sep 14) at 9PM. The primary swell is predicted to be 1.2m and 6s period with a secondary swell of 0.8m and 6s. Another secondary swell of 0.4m and 7s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Uchizuma in the next 12 days are 1.2m 6s and forecast to arrive on Sunday (Sep 14) 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 0.9m 4s period and expected on Sunday (Sep 21) at 3PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Sun 14th Sep)4ft (1.2m) 6s
Best Surf 9PM (Sun 14th Sep)4ft (1.2m) 6s
Most Powerful 9PM (Sun 14th Sep)4ft (1.2m) 6s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Moderate rain (total 19mm), heaviest on Mon afternoon. Warm (max 30°C on Sun morning, min 25°C on Tue night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 29mm), heaviest during Thu afternoon. Warm (max 29°C on Wed morning, min 23°C on Thu night). Wind will be generally light.

Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
0
1
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
1
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.3
SSW
1
SSW
0.9
SSW
0.4
SE
0.5
SE
0.5
SE
0.5
SE
0.5
SE
0.5
SE
0.5
SE
0.3
SE
0.8
SW
0.4
SE
0.5
SE
0.5
SE
0.5
SE
0.5
SE
0.4
ESE
0.4
ESE
0.5
ESE
0.4
ESE
Period(s) (?)66699991099115101010999999
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1278057294040434640382830364745434132324732
Wind
(km/h)
5
SW
10
SSW
5
NW
5
E
5
SE
5
NW
5
E
10
S
5
W
5
SE
10
SSW
5
W
5
SE
5
ESE
15
N
10
NNE
10
NE
5
NNE
5
ENE
5
NE
10
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glasscross-
on		glassglassglassglassglassoncross-
off		glasscross-
on		cross-
off		glassglasscross-
off		cross-
off		cross-
off		glassglassglasscross-
off
High Tide
/ height (m)
11:17AM
1.36
9:26PM
1.55
1:57PM
1.34
10:36PM
1.42
3:38PM
1.45
1:11AM
1.37
4:16PM
1.55
2:54AM
1.46
4:44PM
1.63
3:54AM
1.58
5:08PM
1.70
4:40AM
1.69
5:30PM
1.74
Low Tide
/ height (m)
3:42PM
1.15
5:26AM
0.47
5:30PM
1.29
7:20AM
0.50
8:52PM
1.23
8:51AM
0.44
9:51PM
1.07
9:49AM
0.36
10:26PM
0.91
10:31AM
0.31
10:56PM
0.75
11:06AM
0.30
11:24PM
0.60
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunrise5:43--5:45--5:45--5:46--5:47--5:47--5:48--
Sunset-6:10--6:09--6:07--6:07--6:06--6:04--6:02-
rain showers
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
rain showers
thunderstorm
thunderstorm
rain showers
thunderstorm
thunderstorm
thunderstorm
mod rain
rain showers
light rain
light rain
light rain
thunderstorm
light rain
light rain
Rain (mm)
12126-133121197125113
Temp. °C303027292927292926292926292824242423242323
Feels °C (?)363532353532333331333330343326262726282726
  • 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

Eyeball surf reportRecent Eyeball Surf Reports for Shikoku

  1. weather stationWind Update The wind is still cross-off at Uchizuma (moderate winds from the W at Murotomisaki(47899-0) 47 km from Uchizuma). 1.1m 6s windswell from the SSW with a 0.3m 10s swell from the ESE. 2 swells combining to make bigger set waves.

    51 minutes ago Uchizuma
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47 km away, 51 min ago

22 km/h
W
0.0
28.2
Air / Water (°C)
Please reload the page to see if there are any updates.

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 Uchizuma 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.

View detailed surf forecast for Uchizuma at:
surf-forecast.com

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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