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Surf Forecasts:

Yasuda Rivermouth surfForecast / Shikoku / Japan

information circle12 Day Weather and Surf, issued 2 am Wednesday 26 Nov 2025 JST
Forecast update in hr  min  s Forecast update imminent
Yasuda Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Yasuda Rivermouth sea temperature is
23.1° C
 (Which is 1.4°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Yasuda Rivermouth this week:

The surf forecast for Yasuda Rivermouth over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Nov 26) at 3PM. The primary swell is predicted to be 0.5m and 9s period with a secondary swell of 0.3m and 5s. Another secondary swell of 0.3m and 3s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Yasuda Rivermouth in the next 12 days are 1.7m 6s and forecast to arrive on Friday (Nov 28) at 12AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 6s period and expected on Tuesday (Dec 02) at 12AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 3PM (Wed 26th Nov)1.5ft (0.5m) 9s
Best Surf 3PM (Wed 26th Nov)1.5ft (0.5m) 9s
Most Powerful12AM (Fri 28th Nov)5.5ft (1.7m) 6s

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

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

Short Range Forecast Some drizzle, heaviest during Thu afternoon. Very mild (max 17°C on Wed afternoon, min 9°C on Fri night). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Sun night. Very mild (max 18°C on Mon morning, min 10°C on Sat night). Wind will be generally light.

Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
01
Tuesday
02
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
1
1
1
0
0
0
0
1
1
1
1
1
1
0
1
0
1
0
0
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.6
ESE
0.5
ESE
0.5
ESE
0.5
ESE
0.5
ESE
1.7
WSW
0.9
WSW
0.4
SE
0.5
ESE
0.6
ESE
0.5
ESE
0.5
ESE
0.5
ESE
0.5
ESE
0.5
ESE
1.3
SSW
1
W
0.4
ESE
0.4
ESE
0.4
ESE
0.6
ESE
Period(s) (?)1099996611111111111010116510101010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)72484948502045139698166645959641055342424267
Wind
(km/h)
10
NW
10
NNW
10
NNE
0
WNW
10
WSW
25
W
10
NW
10
WNW
15
N
5
SE
5
SW
5
N
0
N
5
W
5
WNW
10
NW
5
WNW
10
NNW
0
N
5
SSW
10
NNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
off		cross-
off		glassoncross-
on		crosscross-
on		cross-
off		glassglasscross-
off		glassglasscrosscrosscrosscross-
off		glasscross-
on		cross-
off
High Tide
/ height (m)
10:05AM
1.48
8:38PM
1.48
11:03AM
1.47
9:45PM
1.38
12:04PM
1.49
11:24PM
1.32
1:01PM
1.53
1:10AM
1.35
1:50PM
1.59
2:35AM
1.46
2:34PM
1.66
3:42AM
1.60
3:16PM
1.72
Low Tide
/ height (m)
3:19PM
1.07
3:48AM
0.47
4:34PM
1.07
4:48AM
0.56
6:05PM
0.99
6:01AM
0.64
7:23PM
0.84
7:15AM
0.70
8:23PM
0.63
8:24AM
0.74
9:12PM
0.41
9:23AM
0.77
9:58PM
0.20
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
01
Tuesday
02
Sunrise6:43--6:45--6:46--6:47--6:48--6:48--6:48--
Sunset-4:57--4:57--4:55--4:55--4:55--4:55--4:55-
clear
clear
clear
part cloud
rain showers
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
rain showers
clear
clear
clear
clear
clear
Rain (mm)
----1---------11-----
Temp. °C161712161616141510151511151515181812161613
Feels °C (?)131491414111011613141013131417179151412
  • 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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Quiksilver Teams Up With PrimaLoft® For World’s First Thermal Layering System for a Wetsuit.

Feel that? If you are in the northern hemisphere, you will have had that first bite of winter. The lick of a frost, the chill of a cold offshore breeze and the sound of winter swells pounding the shores. If you are near the mountains, your favourite jackets, gloves, and footwear might get dusted off and prepped for battle. And in that beautiful Venn diagram, you will find PrimaLoft. They have spent over 40 years developing innovative insulations that have powered your warmest winter gear. In t

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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 Yasuda Rivermouth 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 Yasuda Rivermouth at:
surf-forecast.com

Information about the Yasuda Rivermouth Surf forecast

The above surf forecast table for Yasuda Rivermouth provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Yasuda Rivermouth can be found by selecting the local surf guide option on the grey menu. Our Yasuda Rivermouth 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 (Yasuda Rivermouth) 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 Yasuda Rivermouth 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 Yasuda Rivermouth, camping, hotels and holiday cottages in Shikoku, consider staying in Aki which is 10 km (6 miles) away. Other places in and around Shikoku where you can find information about places to rent, and car hire include Muroto which is 23 km (14 miles) away, Kochi, Ino and Susaki.

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