Surf Forecast Surf Report

Yasuda Rivermouth surfForecast / Shikoku / Japan

information circle12 Day Weather and Surf, issued 8 am Thursday 03 Apr 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
18.4° C
(Which is 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 Thursday (Apr 03) at 3PM. The primary swell is predicted to be 0.9m and 10s period with a secondary swell of 0.6m and 8s. Another secondary swell of 0.6m and 4s 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 3.0m 8s and forecast to arrive on Thursday (Apr 10) at 3PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 6s period and expected on Friday (Apr 04) at 9AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 3PM (Thu 3rd Apr)3ft (0.9m) 10s
Best Surf 3PM (Thu 3rd Apr)3ft (0.9m) 10s
Most Powerful 3PM (Thu 10th Apr)10ft (3.0m) 8s

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

Updates in  hr  min  s Forecast update imminent
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.3
E
0.9
E
0.7
E
0.6
E
0.4
SE
0.5
SE
0.5
SE
0.6
ESE
1.4
SSW
1.6
SW
1.2
SSW
0.8
SSW
0.4
ESE
0.4
ESE
0.6
ESE
0.6
ESE
0.6
ESE
0.6
ESE
0.6
ESE
0.6
ESE
0.5
ESE
1.5
SSW
3
SSW
3
S
2
S
1.6
S
0.9
SSE
0.5
S
0.6
ESE
2.3
S
3
SW
2.1
SW
1.7
SW
2.5
SW
2.5
SW
3
SW
Period(s) (?)10109988985666888889888689887686887788
Wave
Graph
(?)Metric surfscale
Energy (?)347156816321323648941841103726265353535854543913685613414823026620424469945513185937991137
Wind
(km/h)
15
NW
10
E
15
N
5
W
15
S
10
NNE
5
SSE
15
SW
25
SW
10
W
20
SW
10
NNW
10
W
5
WSW
10
N
5
SSE
10
SW
10
N
5
SSW
10
SW
5
WNW
10
WSW
15
SSW
15
SSE
40
SSW
15
WNW
10
NW
10
WNW
10
S
10
NNW
0
NE
5
SSE
10
SW
15
W
25
SW
25
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
off
cross-
off
glasscross-
on
offcrossononcross-
on
oncross-
off
cross-
on
cross-
on
cross-
off
cross-
on
oncross-
off
glassoncross-
on
cross-
on
oncrosscross-
on
cross-
on
cross-
off
cross-
on
cross-
on
cross-
off
glassglassoncross-
on
oncross-
on
High Tide
/ height (m)
10:20PM
1.47
8:48AM
1.61
12:07AM
1.35
9:30AM
1.46
2:41AM
1.38
11:23AM
1.33
3:40AM
1.46
2:03PM
1.34
4:10AM
1.54
3:21PM
1.45
4:34AM
1.60
4:11PM
1.57
4:54AM
1.66
4:50PM
1.67
5:14AM
1.70
5:25PM
1.74
5:33AM
1.74
5:58PM
1.78
5:53AM
1.76
6:30PM
1.80
6:13AM
1.76
7:02PM
1.77
Low Tide
/ height (m)
3:19PM
0.24
3:12AM
1.10
4:21PM
0.40
4:08AM
1.23
5:54PM
0.53
7:32AM
1.27
7:50PM
0.56
9:21AM
1.12
9:07PM
0.52
9:59AM
0.95
9:56PM
0.48
10:27AM
0.79
10:32PM
0.46
10:53AM
0.64
11:03PM
0.46
11:18AM
0.50
11:31PM
0.48
11:43AM
0.38
11:57PM
0.53
12:09PM
0.29
12:23AM
0.60
12:35PM
0.23
12:48AM
0.68
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Sunrise5:50--5:48--5:47--5:46--5:45--5:43--5:41--5:41--5:39--5:37--5:37--5:35--
Sunset-6:24--6:24--6:25--6:27--6:28--6:28--6:29--6:30--6:30--6:30--6:31--6:32-
clearpart cloudclearclearclearpart cloudpart cloudpart cloudrain showersclearclearclearclearclearclearclearpart cloudclearclearpart cloudpart cloudcloudlight rainheavy rainheavy rainthunderstorm clearpart cloudcloudlight rainpart cloudpart cloudrain showersclearrain showersclear
Rain (mm)
--------7-------------264402---2--3-1-
Temp. °C161510131410141515171812161814161614181815181818191915191917161515171715
Feels °C (?)111261010812111114139121510131312161515161614171913171818151515131211

Short Range Forecast: Light rain (total 7mm), mostly falling on Sat night. Very mild (max 16°C on Thu morning, min 7°C on Thu night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Very mild (max 18°C on Sun afternoon, min 9°C on Sun night). Wind will be generally light.

Days 6-9 Weather Summary Heavy rain (total 108mm), heaviest during Thu night. Very mild (max 19°C on Fri morning, min 13°C on Fri night). Winds increasing (calm on Wed afternoon, strong winds from the SSW by Fri morning).

Long Range Forecast: Light rain (total 6mm), mostly falling on Sat night. Very mild (max 19°C on Sat morning, min 9°C on Mon 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)
<span class="translation_missing" title="translation missing: en.leaflet.map_placeholder_alt">Map Placeholder Alt</span>
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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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