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Surf Forecasts:

Monabe Rivermouth surfForecast / Shikoku / Japan

information circle12 Day Weather and Surf, issued 2 am Friday 14 Nov 2025 JST
Forecast update in hr  min  s Forecast update imminent
Monabe Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Monabe Rivermouth sea temperature is
24.5° C
 (Which is 2.1°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Monabe Rivermouth this week:

The most powerful waves expected at Monabe Rivermouth in the next 12 days are 1.0m 8s and forecast to arrive on Monday (Nov 17) at 3AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 5s period and expected on Friday (Nov 14) at 12PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 3AM (Mon 17th Nov)3.5ft (1.0m) 8s

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

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

Short Range Forecast Mostly dry. Very mild (max 19°C on Fri morning, min 12°C on Fri night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Very mild (max 19°C on Mon morning, min 7°C on Tue night). Wind will be generally light.

Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.8
E
0.5
ESE
0.9
ESE
0.8
ESE
0.6
ESE
0.6
ESE
0.3
ESE
0.4
ESE
0.8
E
1
E
0.9
E
0.8
E
0.6
E
0.5
E
0.3
ESE
0.3
ESE
0.4
SE
0.4
SE
0.4
ESE
0.4
ESE
0.4
ESE
Period(s) (?)6888881088888888889999
Wave
Graph
(?)Metric surfscale
Energy kJ (?)51389671454518218812410586453014141820323232
Wind
(km/h)
5
N
5
S
10
N
10
N
5
SSE
10
NNE
5
NNE
5
SSW
10
N
5
NW
5
SSW
20
NNW
15
NW
20
NNW
15
NNW
10
NNW
10
SW
10
N
5
NNE
5
SSW
10
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offonoffoffonoffglassglassoffglassglasscross-
off		cross-
off		offcross-
off		cross-
off		cross-
on		offglasscross-
on		off
High Tide
/ height (m)
2:30PM
1.52
2:36AM
1.40
3:04PM
1.57
3:35AM
1.50
3:32PM
1.61
4:20AM
1.58
3:58PM
1.65
4:59AM
1.66
4:24PM
1.68
5:34AM
1.71
4:50PM
1.71
6:08AM
1.74
5:16PM
1.72
Low Tide
/ height (m)
8:47PM
0.83
8:42AM
0.71
9:26PM
0.66
9:28AM
0.74
9:59PM
0.51
10:07AM
0.77
10:29PM
0.38
10:41AM
0.79
10:58PM
0.27
11:13AM
0.82
11:27PM
0.20
11:43AM
0.86
11:58PM
0.16
Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Sunrise6:33--6:35--6:35--6:37--6:37--6:39--6:39--
Sunset-5:02--5:01--5:01--5:00--5:00--5:00--5:00-
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
clear
clear
part cloud
part cloud
clear
clear
clear
clear
Rain (mm)
---------------------
Temp. °C1919141919141818151919131312813149141512
Feels °C (?)181811171711181813181897631011512139
  • 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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Quick surf report for Monabe Rivermouth:

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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 Monabe 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 Monabe Rivermouth at:
surf-forecast.com

Information about the Monabe Rivermouth Surf forecast

The above surf forecast table for Monabe Rivermouth provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Monabe Rivermouth can be found by selecting the local surf guide option on the grey menu. Our Monabe 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 (Monabe 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 Monabe 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.

Monabe Rivermouth is 11 km (7 miles) from the city of Aki. If you plan a holiday in Shikoku, look for hotels and other accommodation in Aki. Aki has rooms for a wide range of budgets as well as car hire and transport links.

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