Ikumi Beach surfForecast / Shikoku / Japan

information circle12 Day Weather and Surf, issued 2 pm Wednesday 09 Jul 2025 JST
Forecast update in hr  min  s Forecast update imminent
Ikumi Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Ikumi Beach sea temperature is
27.2° C
(Which is 1.0°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Ikumi Beach this week:

The surf forecast for Ikumi Beach over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Jul 09) at 9PM. The primary swell is predicted to be 0.6m and 11s period with a secondary swell of 0.7m and 5s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Ikumi Beach in the next 12 days are 2.3m 9s and forecast to arrive on Tuesday (Jul 15) at 3AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.1m 8s period and expected on Tuesday (Jul 15) at 6AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Wed 9th Jul)2ft (0.6m) 11s
Best Surf 3AM (Tue 15th Jul)7.5ft (2.3m) 9s
Most Powerful 3AM (Tue 15th Jul)7.5ft (2.3m) 9s

Table - best surf conditions forecast for Ikumi Beach over the next 12 days.

Updates in  hr  min  s Forecast update imminent
Wed
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Mon
21
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.6
ESE
0.6
ESE
0.6
ESE
1.3
ESE
1.4
SE
1.6
ESE
1.5
ESE
1.8
ESE
2
E
1.9
ESE
1.6
ESE
1.2
SE
1.2
SE
1.1
SE
0.9
ESE
1.4
SE
2.4
SE
1.1
SSW
0.9
ESE
1.2
ESE
1.2
ESE
1.1
ESE
1.2
ESE
1.6
ESE
1.7
ESE
2.4
SE
2.3
SE
2.2
SE
2.3
SE
2.5
SE
3
SE
4
SE
4.5
SE
4
SE
3.5
SE
3
SSE
Period(s) (?)111111676678889998888910111110101010991010121211111110
Wave
Graph
(?)Metric surfscale
Energy (?)921091152242013492103259434833312632741781342681239301216386390308328533567115685376410691481238675644552355228781768
Wind
(km/h)
10
SE
5
NNE
10
ENE
10
E
5
NNE
10
ENE
10
E
10
NE
10
ENE
10
ESE
5
N
5
SE
15
SSW
10
W
5
SSE
10
SSE
10
NNE
5
ENE
10
SSW
5
WNW
5
ESE
10
SE
0
SW
15
SE
15
SE
15
SE
15
ESE
15
E
15
NE
15
ENE
15
E
5
NNE
15
NE
10
E
10
ENE
10
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
onglasscross-
on
oncrosscross-
on
cross-
on
cross-
on
cross-
on
onglassglasscrossoffcross-
on
cross-
on
crossglasscrossoffglassonglasscross-
on
oncross-
on
ononcross-
on
cross-
on
oncrosscross-
on
cross-
on
cross-
on
cross-
on
High Tide
/ height (m)
6:13PM
1.80
4:51AM
1.81
6:50PM
1.84
5:37AM
1.86
7:24PM
1.86
6:20AM
1.88
7:56PM
1.86
7:04AM
1.88
8:27PM
1.85
7:47AM
1.85
8:58PM
1.82
8:33AM
1.79
9:30PM
1.79
9:23AM
1.70
10:04PM
1.75
10:22AM
1.59
10:40PM
1.71
11:35AM
1.50
11:22PM
1.67
1:11PM
1.45
12:14AM
1.65
2:56PM
1.49
1:19AM
1.64
Low Tide
/ height (m)
11:31PM
1.12
11:51AM
0.12
12:12AM
1.06
12:32PM
0.11
12:50AM
1.00
1:10PM
0.13
1:28AM
0.94
1:47PM
0.20
2:06AM
0.88
2:24PM
0.31
2:46AM
0.83
3:01PM
0.45
3:30AM
0.78
3:40PM
0.62
4:19AM
0.75
4:21PM
0.80
5:17AM
0.72
5:10PM
0.98
6:25AM
0.67
6:14PM
1.13
7:41AM
0.60
7:43PM
1.24
8:52AM
0.50
Wed
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Mon
21
Sunrise--5:00--5:00--5:01--5:01--5:01--5:03--5:03--5:03--5:05--5:05--5:05--5:07
Sunset7:15--7:15--7:15--7:15--7:14--7:14--7:13--7:13--7:13--7:12--7:12--7:10--
clearthunderstorm clearthunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm part cloudpart cloudclearthunderstorm clearclearthunderstorm rain showersclearclearclearclearrain showersthunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm rain showersrain showersclearpart cloudpart cloudthunderstorm thunderstorm thunderstorm
Rain (mm)
-1-2637122---1--34----215277236432---353
Temp. °C302629292628272628282629292629282430302630302727272727282628292628282727
Feels °C (?)343132333031313031313232323033312633322932333230313030312930313031323232

Short Range Forecast: Heavy rain (total 33mm), heaviest during Fri night. Warm (max 30°C on Wed afternoon, min 25°C on Wed night). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 8mm), mostly falling on Mon night. Warm (max 30°C on Tue morning, min 23°C on Mon night). Wind will be generally light.

Days 6-9 Weather Summary Heavy rain (total 80mm), heaviest during Thu morning. Warm (max 30°C on Tue afternoon, min 25°C on Tue night). Wind will be generally light.

Long Range Forecast: Heavy rain (total 21mm), heaviest during Fri afternoon. Warm (max 29°C on Sat afternoon, min 25°C on Fri 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)
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Information about the Ikumi Beach Surf forecast

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

Ikumi Beach is 30 km (19 miles) from Muroto. If you plan a holiday in Shikoku, look for hotels and other accommodation in Muroto. Muroto has rooms for a wide range of budgets as well as car hire and transport links.

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