Ikumi Beach Surf Break

Lat Long: 33.53° N 134.28° E

Ikumi Beach Surf Forecast and Surf Report

Issued: 8 pm 24 Jul 2026 (local time)

Forecast update in  hr  min

Today's Ikumi Beach sea temperature is
28.6° C
1.4° 

Ikumi Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Ikumi Beach surf forecast from 24 Jul 2026:

  • Best quality surf: Saturday 25 Jul, 12AM (local time) - 1ft (0.3m), 16s period, SE swell with cross-offshore winds.
  • Most powerful swell: Saturday 25 Jul, 3AM (local time) - 1.5ft (0.4m), 16s period, SE swell with 94 kJ wave energy.
  • Next surfable swell (1★+): Saturday 25 Jul, 12AM (local time) - 1ft (0.3m), 16s period with SE swell.

Best Forecast Surf Conditions for Ikumi Beach this week:

The surf forecast for Ikumi Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Jul 25) at 12AM. The primary swell is predicted to be 0.3m and 16s period with a secondary swell of 0.4m and 11s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Ikumi Beach in the next 16 days are 0.4m 16s and forecast to arrive on Saturday (Jul 25) 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 0.6m 4s period and expected on Tuesday (Jul 28) at 9PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+)12AM (Sat 25th Jul)1ft (0.3m) 16s
Best Surf12AM (Sat 25th Jul)1ft (0.3m) 16s
Most Powerful 3AM (Sat 25th Jul)1.5ft (0.4m) 16s

Table - best surf conditions forecast for Ikumi Beach over the next 16 days.


The Lowdown

Alright, it’s Rusty here. Let’s break down what’s coming up for Ikumi Beach. The next 16 days start off pretty quiet, but there’s a big pulse of energy building for the second week that’s got my attention.

Right now, we’re in a flat spell. From Saturday the 25th of July right through to the end of the month, the swell is tiny. We’re talking ankle to knee-high waves around 1.0ft to 2ft. The good news is the wind is glassy on most mornings, so if you’re desperate for a paddle you’ll find clean, smooth water, but there’s hardly any push. The combined wave energy is weak, sitting between 37 and 174, so it’s really just a wobbly lake out there. The water temp is about average for the time of year, nothing wild.

That run of small surf continues into the first few days of August. Sunday the 2nd still has tiny 1ft waves, but look at Monday the 3rd – things start to wake up. The morning shows a jump to 3ft swell from the ESE with a nice 13-second period, and the combined energy hits 497. That’s moderate energy, and with glassy conditions, it’s finally surfable. The standout, though, comes on Tuesday the 4th. Tuesday morning delivers 8ft of ESE groundswell with a 17-second period and glassy wind. The energy is strong at 3498. This is excellent for experienced surfers – the long period means better shaped waves and clean lines, but it’s over 8ft, so beginners should sit this one out. The swell direction is from the ESE, which matches the optimum for this break.

The swell keeps building through Wednesday and Thursday, but it gets too big. On Wednesday morning the 5th, we’re looking at 13ft with the combined energy skyrocketing to 10862. That’s very strong, but it’s too much for this spot. Even with offshore wind, it’s only for the experts with big-wave guns. Thursday the 6th sees 18ft, and that’s just massive. Definitely not a paddle session.

By Friday the 7th, the swell drops to 10ft from the S in the morning, but the afternoon is the real gem. Friday afternoon shows 8ft from the S, with zero wind, glassy conditions, and energy at 1122. The wind is dead calm, so it’ll be like glass. That’s a solid option for experienced surfers again. Saturday the 8th keeps it going with 6ft from the SSW in the morning, glassy, and energy at 1425, easing to 6ft in the afternoon. Sunday the 9th caps it off with 5ft from the SSW, zero wind, glassy, and energy at 1067. That’s a clean, punchy SSW swell that’ll hold up well.

The one true standout in this whole window is Tuesday morning the 4th of August. That 8ft ESE groundswell with glassy conditions and a 17-second period is the best on offer. After that, Friday the 7th afternoon and Saturday the 8th morning are also excellent, but Tuesday is the pick. Crowds are often a factor at Ikumi, so expect company on those good days.

This is Rusty signing off.

Short Range Forecast

Light rain (total 7mm), mostly falling on Mon afternoon. Warm (max 32°C on Sat morning, min 26°C on Sun night). Wind will be generally light.

Days 5-7 Weather Summary

Light rain (total 4mm), mostly falling on Mon night. Warm (max 31°C on Tue morning, min 24°C on Wed night). Wind will be generally light.

Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
1
0
1
1
1
1
1
1
1
1
0
1
1
0
1
1
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.3
SE
16
0.4
SE
16
0.4
SE
16
0.4
SE
16
0.4
SE
15
0.4
SE
15
0.4
SE
14
0.4
SE
14
0.4
SE
14
0.4
SE
14
0.5
SE
10
0.5
SE
10
0.5
SE
10
0.5
SE
10
0.5
SE
10
0.4
ESE
10
0.4
ESE
10
0.4
SE
10
0.4
SE
10
Wave Graph
Metric surfscale
Energy kJ
42
91
90
87
78
76
74
72
70
65
49
49
48
48
48
38
36
23
23
Wind (km/h)
5
N
5
E
5
S
5
NW
5
SSE
5
ESE
5
NW
5
E
5
SE
5
WNW
5
SSE
10
S
5
NW
5
SSE
10
SSE
10
N
5
ESE
5
SE
5
WNW
Wind State
cross-off
glassy
cross-on
glassy
glassy
glassy
cross-off
glassy
glassy
off
glassy
cross
glassy
glassy
cross-on
cross-off
glassy
cross-on
glassy
High Tide
1:04AM1.64m
4:14PM1.58m
2:19AM1.65m
5:07PM1.68m
3:26AM1.71m
5:45PM1.78m
4:23AM1.79m
6:19PM1.84m
5:12AM1.87m
6:49PM1.89m
5:57AM1.93m
7:18PM1.91m
Low Tide
8:44AM0.52m
9:06PM1.29m
9:47AM0.40m
10:15PM1.24m
10:39AM0.30m
11:05PM1.16m
11:23AM0.22m
11:45PM1.06m
12:03PM0.18m
00:21AM0.96m
12:39PM0.19m
00:56AM0.86m
clear
clear
thunderstorm
part cloud
part cloud
thunderstorm
rain showers
clear
thunderstorm
thunderstorm
clear
thunderstorm
clear
thunderstorm
thunderstorm
clear
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:09
5:09
5:11
5:11
5:11
5:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:08
7:07
7:07
7:07
7:06
7:05
7:05
 mm
1
2
1
3
1
1
1
1
Temp °C
29
32
32
29
31
30
28
31
30
27
31
31
28
31
31
27
30
30
26
Feels °C
34
36
36
34
35
36
33
35
35
32
34
35
32
35
34
31
33
33
30
  • Map Icons:
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  • 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 16 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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