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Surf Forecasts:

Uchizuma surfForecast / Shikoku / Japan

information circle16 Day Weather and Surf, issued 8 am Tuesday 17 Mar 2026 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
16.7° C
 (Which is slightly cooler than normal)

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 Tuesday (Mar 17) at 6PM. The primary swell is predicted to be 0.5m and 10s period with a secondary swell of 0.3m and 13s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Uchizuma in the next 16 days are 1.6m 7s and forecast to arrive on Thursday (Mar 19) at 3AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 5s period and expected on Thursday (Mar 19) at 3PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 6PM (Tue 17th Mar)1.5ft (0.5m) 10s
Best Surf 6PM (Tue 17th Mar)1.5ft (0.5m) 10s
Most Powerful 3AM (Thu 19th Mar)5ft (1.6m) 7s

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

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

Short Range Forecast Moderate rain (total 11mm), heaviest on Wed afternoon. Very mild (max 17°C on Wed night, min 8°C on Thu night). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Sun night. Very mild (max 15°C on Fri morning, min 5°C on Fri night). Wind will be generally light.

Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
0
1
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
1
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.5
ESE
0.5
E
0.5
E
0.3
ESE
0.3
ESE
1.1
SSW
1.2
SSW
0.9
SSW
0.4
SSW
0.1
E
0.3
S
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.7
ESE
0.9
SE
Period(s) (?)10121111116777136191818181616161568
Wave
Graph
(?)Metric surfscale
Energy kJ (?)5571662424741437018461513121210101093691
Wind
(km/h)
10
NNE
10
ENE
5
NNW
5
SSE
0
SW
15
SW
10
NNE
0
NNE
10
N
5
NNE
5
SE
20
N
15
NNE
10
E
5
NW
5
ESE
15
S
10
W
5
N
10
NE
10
NNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		crossoffglassglasscrosscross-
off		glassoffcross-
off		glassoffcross-
off		crossoffglassoncross-
off		glasscross-
off		off
High Tide
/ height (m)
4:59PM
1.75
5:45AM
1.80
5:38PM
1.85
6:09AM
1.85
6:18PM
1.91
6:33AM
1.88
6:58PM
1.91
6:58AM
1.88
7:41PM
1.86
7:24AM
1.86
8:26PM
1.75
7:52AM
1.81
9:19PM
1.60
Low Tide
/ height (m)
11:11AM
0.70
11:23PM
0.25
11:40AM
0.53
11:55PM
0.25
12:10PM
0.37
12:27AM
0.32
12:43PM
0.24
12:59AM
0.43
1:17PM
0.15
1:31AM
0.58
1:55PM
0.13
2:04AM
0.75
2:37PM
0.17
2:38AM
0.93
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Sunrise6:11--6:09--6:07--6:07--6:05--6:03--6:03--
Sunset-6:10--6:10--6:12--6:13--6:14--6:14--6:15-
part cloud
part cloud
clear
part cloud
mod rain
light rain
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
light rain
rain showers
part cloud
part cloud
Rain (mm)
----65-----------24--
Temp. °C14141113131716171115151013139141512121311
Feels °C (?)1111911121613168121249961111911119
  • 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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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 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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