Monabe Rivermouth surfForecast / Shikoku / Japan

information circle12 Day Weather and Surf, issued 2 am Thursday 03 Jul 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
26.6° C
(Which is 1.4°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Monabe Rivermouth this week:

The surf forecast for Monabe Rivermouth over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Jul 03) at 6PM. The primary swell is predicted to be 0.9m and 10s period with a secondary swell of 0.6m and 10s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Monabe Rivermouth in the next 12 days are 1.3m 10s and forecast to arrive on Saturday (Jul 05) at 12PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 10s period and expected on Tuesday (Jul 08) at 12PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 6PM (Thu 3rd Jul)3ft (0.9m) 10s
Best Surf 6PM (Thu 3rd Jul)3ft (0.9m) 10s
Most Powerful12PM (Sat 5th Jul)4.5ft (1.3m) 10s

Table - best surf conditions forecast for Monabe 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 (?)
0.9
SE
0.9
SE
0.7
SE
0.6
SE
0.9
ESE
1.2
ESE
1.3
ESE
1.2
ESE
1
ESE
0.8
ESE
0.8
ESE
0.9
ESE
0.9
ESE
0.9
E
0.9
E
0.9
E
0.9
E
0.7
E
0.5
SE
0.5
SE
0.6
SE
1.3
SE
1.3
SE
1.2
SE
0.6
ESE
0.8
ESE
1
ESE
0.8
ESE
1.3
ESE
1.6
ESE
1.5
ESE
1.5
ESE
1.6
ESE
1.5
ESE
1.3
ESE
1.2
ESE
Period(s) (?)1010109101010101099101010101010101211567611109141312111011111010
Wave
Graph
(?)Metric surfscale
Energy (?)15614314112218329234628823613517122121521020924725217313612249156253181194281198361616671505442653487325254
Wind
(km/h)
5
SW
10
S
5
NNE
5
SW
10
SSW
5
NNE
5
SW
10
SSE
5
N
0
WSW
10
SSE
5
NNW
5
SW
10
SSW
5
NE
5
SSE
15
SSE
10
NE
0
NE
5
S
10
ENE
20
E
25
E
15
E
10
ESE
20
SE
5
ENE
0
WSW
10
S
10
N
5
WSW
10
S
5
NNE
10
NNW
15
N
20
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassoncross-
off
cross-
on
onoffglassonglassglassonoffglasscross-
on
glassglassoncross-
off
glassglasscross-
off
crosscrosscrosscross-
on
cross-
on
cross-
off
glassonoffcrossonoffcross-
off
offoff
High Tide
/ height (m)
11:42AM
1.30
11:54PM
1.50
1:17PM
1.26
12:40AM
1.48
2:53PM
1.31
1:32AM
1.48
4:04PM
1.39
2:26AM
1.50
4:54PM
1.49
3:18AM
1.54
5:34PM
1.57
4:06AM
1.60
6:10PM
1.64
4:49AM
1.66
6:43PM
1.69
5:30AM
1.72
7:16PM
1.73
6:10AM
1.76
7:48PM
1.75
6:50AM
1.78
8:20PM
1.76
7:32AM
1.76
8:52PM
1.75
Low Tide
/ height (m)
5:23PM
0.87
6:51AM
0.74
6:22PM
1.00
7:56AM
0.65
7:40PM
1.09
8:54AM
0.55
8:59PM
1.12
9:44AM
0.44
10:01PM
1.11
10:28AM
0.34
10:49PM
1.08
11:09AM
0.24
11:28PM
1.03
11:47AM
0.16
12:05AM
0.99
12:24PM
0.10
12:40AM
0.94
1:00PM
0.08
1:17AM
0.89
1:36PM
0.10
1:55AM
0.84
2:12PM
0.17
2:35AM
0.78
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Sunrise4:58--4:58--4:58--5:00--5:00--5:01--5:01--5:01--5:01--5:03--5:03--5:03--
Sunset-7:17--7:17--7:17--7:17--7:17--7:17--7:16--7:16--7:16--7:16--7:15--7:15-
clearthunderstorm part cloudclearpart cloudpart cloudclearpart cloudpart cloudpart cloudpart cloudclearclearthunderstorm clearclearclearclearcloudlight rainlight rainrain showersthunderstorm rain showerspart cloudpart cloudclearclearclearclearclearclearpart cloudpart cloudheavy rainheavy rain
Rain (mm)
-2-----------2-----14134----------1599
Temp. °C292826292926303027303027303027292825272826282826303027292926303027322627
Feels °C (?)323231333431333431323431343432323028313229293029323231323231333432353028

Short Range Forecast: Light rain (total 2mm), mostly falling on Thu afternoon. Warm (max 30°C on Sat morning, min 25°C on Thu night). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Mon afternoon. Warm (max 30°C on Sun morning, min 24°C on Tue night). Wind will be generally light.

Days 6-9 Weather Summary Moderate rain (total 13mm), heaviest on Wed night. Warm (max 30°C on Fri morning, min 25°C on Wed night). Wind will be generally light.

Long Range Forecast: Heavy rain (total 132mm), heaviest during Mon night. Warm (max 32°C on Mon morning, min 24°C on Mon night). Winds increasing (calm on Sat morning, fresh winds from the ENE by Mon night).

  • 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>
submit an eyeball surf report

Quick surf report for Monabe Rivermouth:

join our community of surf reporters

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 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.


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.

Nearest
Nearest
Nearest
Nearest