Ikumi Beach surfForecast / Shikoku / Japan

information circle12 Day Weather and Surf, issued 8 am Tuesday 13 Jan 2026 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
17.6° C
(Which is slightly cooler than normal)


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 Friday (Jan 16) at 9AM. The primary swell is predicted to be 0.6m and 6s period with a secondary swell of 0.3m and 9s. 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 1.4m 6s and forecast to arrive on Tuesday (Jan 20) at 3AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 6s period and expected on Thursday (Jan 15) at 6PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 9AM (Fri 16th Jan)2ft (0.6m) 6s
Best Surf 9AM (Fri 16th Jan)2ft (0.6m) 6s
Most Powerful 3AM (Tue 20th Jan)3ft (0.9m) 10s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Very mild (max 15°C on Thu morning, min 3°C on Tue night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Very mild (max 16°C on Fri afternoon, min 8°C on Fri night). Wind will be generally light.

Tuesday
13
Wednesday
14
Thursday
15
Friday
16
Saturday
17
Sunday
18
Monday
19
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
1
1
1
0
Swell
Height Map
Wave Height (m) & direction (?)
0.1
E
0.1
E
0.1
E
0.1
E
0.1
SE
0.1
E
0.2
ESE
0.3
ESE
0.3
ESE
0.6
SSW
0.4
SSW
0.2
ESE
0.3
ESE
0.2
ESE
0.2
ESE
0.3
ESE
0.3
ESE
0.4
SE
0.5
SE
0.7
SE
0.9
SE
Period(s) (?)91010991010109669109101110981010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)22223410191726138188102220223498145
Wind
(km/h)
15
WSW
25
WNW
10
WNW
5
NW
5
WNW
5
NW
5
W
20
WSW
10
W
5
NNW
10
SSE
10
NNW
5
NNE
10
ESE
5
NW
0
E
10
SSW
10
W
10
WSW
10
WSW
10
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
offoffglassoffcross-
off
cross-
off
cross-
off
offglasscross-
on
cross-
off
glassoncross-
off
glasscrosscross-
off
cross-
off
cross-
off
cross
High Tide
/ height (m)
12:36PM
1.42
3:19AM
1.28
1:41PM
1.42
4:30AM
1.38
2:46PM
1.45
5:19AM
1.48
3:45PM
1.51
5:59AM
1.55
4:37PM
1.57
6:34AM
1.61
5:25PM
1.63
7:06AM
1.64
6:09PM
1.67
Low Tide
/ height (m)
8:03PM
0.34
8:09AM
1.00
9:10PM
0.23
9:30AM
1.01
10:06PM
0.11
10:31AM
0.97
10:54PM
0.01
11:18AM
0.90
11:38PM
-0.06
11:59AM
0.82
12:17AM
-0.10
12:36PM
0.73
12:54AM
-0.08
Tuesday
13
Wednesday
14
Thursday
15
Friday
16
Saturday
17
Sunday
18
Monday
19
Sunrise7:07--7:07--7:07--7:05--7:05--7:05--7:05--
Sunset-5:15--5:15--5:15--5:16--5:17--5:19--5:20-
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
part cloud
cloud
rain showers
rain showers
Rain (mm)
-------------------11
Temp. °C131461012615141115161014149151513141613
Feels °C (?)78168210981213711117131211121512
  • 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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