Ikumi Beach Surf Break

Ikumi Beach Surf Forecast and Surf Report

Lat Long: 33.53° N 134.28° E

Issued: 8 am 07 Jul 2026 (local time)

Forecast update in  hr  min

Today's Ikumi Beach sea temperature is
24.7° C

1.2°C colder than average for this time of year

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 7 Jul 2026:

  • Best quality surf: Thursday 9 Jul, 6AM (local time) - 10ft (3.0m), 15s period, SSE swell with onshore winds.
  • Most powerful swell: Saturday 11 Jul, 3AM (local time) - 13ft (4.0m), 17s period, S swell with 9,317 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 8 Jul, 12AM (local time) - 5.5ft (1.7m), 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 Wednesday (Jul 08) at 12AM. The primary swell is predicted to be 1.7m and 16s period with a secondary swell of 0.9m and 8s. Another secondary swell of 1.3m and 7s is also forecast. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Ikumi Beach in the next 16 days are 4.0m 17s and forecast to arrive on Saturday (Jul 11) at 3AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 6s period and expected on Tuesday (Jul 07) at 6PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+)12AM (Wed 8th Jul)5.5ft (1.7m) 16s
Best Surf 6AM (Thu 9th Jul)10ft (3.0m) 15s
Most Powerful 3AM (Sat 11th Jul)13ft (4.0m) 17s

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


Updates in  hr  min  s Forecast update imminent

Alright, Rusty here. Let's have a proper look at what's on the cards for the next couple of weeks around Ikumi Beach (Pemba). The water temp is sitting at 77°F, which is about 2°F colder than what we’d usually expect for this time of year.

The next week and a half is all about timing the drop in swell and picking the right windows of wind.

The action kicks off this Tuesday the 7th of July. It's not the biggest swell you'll ever see, but the conditions will be magic. Tuesday morning is looking glassy with a light SE breeze, a clean 3ft SE swell rolling in with a long 12 second period. The wave energy is moderate at 817, so there’ll be plenty of push for a longboard or a funboard. This is the pick of the first few days. Tuesday afternoon builds slightly to 4ft, the period stretches out to a very long 16 seconds, and it stays glassy. The combined energy jumps to 1226, the wave quality is excellent, but this is *only for experienced surfers* as the power will be deceptive. This is your standout window: clean, offshore winds and a very long-period groundswell.

Wednesday the 8th brings a jump in size. Morning sees 7ft swell, and by the afternoon it's 8ft from the ESE with 16 second periods. The wind goes light offshore, which is good, but the wave comment flags it as marginal due to tide or shape issues. The energy is high (2685 and 3482), but it might be a bit raw and unruly for the average punter.

Thursday the 9th through Saturday the 11th sees the swell pump up to 10ft to 13ft. With strong southerly and south-easterly energy readings hitting four and five digits (5775, 6966, 8317), this is a lot of power for what’s marked as a beginner spot. The forecast flat-out says the swell is too big for Ikumi. Unless you’re a expert charging big, slopey walls, give it a miss. The wind is cross-on or onshore, so it will be messy and dangerous. This is more of a kite-surfing show than a paddle-surfing one.

After that big pulse, the swell backs off. Sunday the 12th is the real return to sanity. Sunday morning is glassy with a NE wind, a clean 6ft SSW swell at 14 seconds. The energy is down to 1553, which is manageable, and conditions are excellent for experienced surfers. By Sunday afternoon the swell drops to 4ft, still glassy, and it’s good for a wider range.

Monday the 13th starts clean with 4ft S swell at 11 seconds (energy 377) but the afternoon goes cross-onshore and becomes marginal.

Tuesday the 14th is small and clean in the morning – 3ft at 10 seconds – but drops off fast into the afternoon. Wednesday the 15th and Thursday the 16th are tiny – 2ft to 3ft – and mostly fair to poor. The energy drops to under 200. There’s a real lull in the middle of the forecast.

Friday the 17th of July brings a new pulse: 7ft swell, but the period is a poor 8 seconds, and the wind is cross-on. That’s going to be a weak, bumpy mess despite the size.

Saturday the 18th is another big one (10ft) but with a short 8 second period and cross-on wind. That’s a choppy, blown-out wall of water. Not worth it for a paddle.

The best of the second week looks like Sunday the 19th of July and Monday the 20th. Sunday morning is 7ft from the ESE, period is short at 7 seconds, but the wind is *dead calm and glassy*. For a brief window, those waves will clean up beautifully and roll in with good shape. The energy is moderate at 610. The swell drops to 6ft in the afternoon, still glassy. Monday the 20th is also worth a look: 5ft at 7 seconds, early glass, with a SSW breeze. It’s not long-period, but the clean surface will make it fun.

After that, Tuesday the 21st of July is tiny but with a very long 16 second period (2ft), then Wednesday and Thursday of the 22nd and 23rd see the size come back up to 7-7ft, but the energy (1431-1735) and cross-shore winds suggest it won’t be clean.

Verdict: Your absolute standouts are Tuesday the 7th – both morning and afternoon for clean, long-period groundswell. After that, it's about picking the glassy windows on Sunday the 12th morning and Sunday the 19th morning. The forecast confidence is good for the near-term, less so for the second week, but the 19th looks promising.

Rusty

Short Range Forecast

Some drizzle, heaviest during Tue morning. Warm (max 27°C on Thu morning, min 23°C on Tue night). Wind will be generally light.

Days 4-6 Weather Summary

Light rain (total 8mm), mostly falling on Sun afternoon. Warm (max 29°C on Sun morning, min 24°C on Fri night). Wind will be generally light.

Tuesday
7
Wednesday
8
Thursday
9
Friday
10
Saturday
11
Sunday
12
Monday
13
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
3
3
4
3
4
5
4
!
!
!
!
!
!
!
!
4
4
3
2
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
SE
15
1.2
SE
16
1.7
SE
16
2.1
SE
15
2.3
SE
16
2.5
SSE
15
2.5
SSE
15
3
SSE
15
3
SSE
15
3
S
16
4
S
17
4
S
17
4
S
17
3.5
SSW
16
3.5
SSW
16
2.4
SSW
14
1.9
SSW
14
1.6
SSW
12
1.3
SSW
11
1.3
SSW
11
1.1
SSW
10
Wave Graph
Metric surfscale
Energy kJ
306
692
1384
1882
2453
2655
3130
4301
3545
4080
8721
9265
8067
6999
5747
2350
1306
768
430
422
276
Wind (km/h)
5
SSE
5
S
5
SE
10
ESE
10
ESE
5
NNE
5
ESE
10
SE
0
NNW
5
ESE
10
SE
5
SE
5
SE
10
SE
5
WSW
5
SSW
10
SW
5
WNW
5
SE
5
SSE
5
NW
Wind State
glassy
cross-on
glassy
on
on
glassy
on
cross-on
glassy
on
cross-on
glassy
glassy
on
glassy
glassy
cross-off
off
glassy
cross-on
off
High Tide
11:03AM1.51m
11:18PM1.66m
12:29PM1.45m
00:06AM1.64m
2:09PM1.45m
1:03AM1.64m
3:37PM1.53m
2:04AM1.65m
4:41PM1.63m
3:04AM1.70m
5:29PM1.72m
3:59AM1.75m
6:09PM1.80m
Low Tide
4:57PM0.84m
6:04AM0.71m
5:55PM1.01m
7:15AM0.63m
7:11PM1.13m
8:25AM0.53m
8:35PM1.20m
9:27AM0.41m
9:47PM1.21m
10:19AM0.29m
10:43PM1.17m
11:06AM0.20m
11:28PM1.12m
light rain
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
thunderstorm
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
thunderstorm
thunderstorm
clear
thunderstorm
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:58
4:58
4:58
5:00
5:00
5:01
5:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:15
7:15
7:15
7:15
7:15
7:15
7:14
 mm
1
2
3
3
3
1
Temp °C
24
24
23
26
26
24
27
26
25
25
26
25
27
27
25
29
28
25
29
29
26
Feels °C
28
28
26
29
29
28
30
30
30
30
30
30
31
31
30
32
32
29
33
34
31
Swell 1
Height (m)
Direction
Period (s)
1
SE
12
1.2
SE
16
1.7
SE
16
2.1
SE
15
2.3
SE
16
2.5
SSE
15
2.5
SSE
15
3
SSE
15
3
SSE
15
3
S
16
4
S
17
4
S
17
4
S
17
3.5
SSW
16
3.5
SSW
16
2.4
SSW
14
1.9
SSW
14
1.6
SSW
12
1.3
SSW
11
1.3
SSW
11
1.1
SSW
10
Energy kJ
306
692
1384
1882
2453
2655
3130
4301
3545
4080
8721
9265
8067
6999
5747
2350
1306
768
430
422
276
Swell 2
Height (m)
Direction
Period (s)
0.9
ESE
7
0.9
ESE
8
0.9
ESE
8
1.1
SSE
18
1.2
SSE
18
0.9
SSE
19
1.2
S
19
1.9
S
17
1.1
S
18
1.9
S
18
0.3
SE
12
0.2
E
10
0.6
S
12
0.4
SE
10
0.4
SE
10
0.3
SE
11
0.3
ESE
9
Energy kJ
74
116
110
803
917
608
1026
1999
795
2319
23
8
102
23
36
18
16
Swell 3
Height (m)
Direction
Period (s)
0.8
SE
15
0.9
SE
12
0.6
SSE
20
0.8
ESE
5
0.3
E
8
0.6
E
8
0.5
SE
10
0.3
SE
11
0.2
E
9
0.2
E
9
0.3
SE
10
Energy kJ
280
224
275
32
12
49
52
19
6
6
15
Wind waves
Height (m)
Direction
Period (s)
1.4
E
7
1.5
E
8
1.3
E
7
1
E
8
0.9
ESE
8
0.8
E
8
0.4
SW
3
Energy kJ
198
273
181
140
109
84
2
Nearest Offshore or Glassy
Rating
(10 max)
3
4
4
5
4
4
5
4
7
7
9
9
9
5
5
4
3
2
2
2
2
Distance (km)
0
0
0
30
33
0
30
593
4
33
4
4
30
33
10
0
0
0
0
4
0
Best forecast wave conditions in Shikoku
Rating
(10 max)
3
4
4
5
4
5
5
7
7
9
9
9
5
5
4
4
3
2
2
2
Best forecast wave conditions in Japan
Rating
(10 max)
3
4
4
5
4
5
5
4
7
7
9
9
9
5
5
4
4
3
2
2
2
Header Global
Rating
(10 max)
7
5
5
9
8
9
7
7
6
6
6
5
5
4
5
5
4
9
7
5
7
  • 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 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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