Surf Forecasts:
Ikumi Beach surf forecast from 11 Jun 2026:
- Best quality surf: Tuesday 16 Jun, 3AM (local time) - 4.5ft (1.3m), 9s period, ESE swell with glassy winds.
- Most powerful swell: Monday 15 Jun, 9AM (local time) - 10ft (3.0m), 8s period, ESE swell with 978 kJ wave energy.
- Next surfable swell (1★+): Thursday 11 Jun, 9PM (local time) - 2.5ft (0.8m), 8s period with SSE 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 Thursday (Jun 11) at 9PM. The primary swell is predicted to be 0.8m and 8s period with a secondary swell of 0.6m and 8s. 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 3.0m 8s and forecast to arrive on Monday (Jun 15) at 9AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Monday (Jun 15) at 9PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Thu 11th Jun) | 2.5ft (0.8m) 8s |
| Best Surf | 3AM (Tue 16th Jun) | 4.5ft (1.3m) 9s |
| Most Powerful | 9AM (Mon 15th Jun) | 10ft (3.0m) 8s |
Table - best surf conditions forecast for Ikumi Beach over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 24°C on Thu afternoon, min 19°C on Thu night). Wind will be generally light. | Days 5-7 Weather SummaryModerate rain (total 12mm), heaviest on Sun night. Warm (max 25°C on Wed morning, min 19°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Thu 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | S 8 | SSE 8 | SSE 7 | SSE 7 | S 7 | SSE 7 | SSE 7 | S 7 | S 6 | SE 6 | SSE 6 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | ESE 8 | S 8 | SE 11 | SE 11 | SSW 9 | S 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 165 | 58 | 40 | 36 | 40 | 27 | 26 | 14 | 12 | 30 | 97 | 978 | 691 | 389 | 141 | 84 | 41 | 19 | 19 | 132 | 196 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | off | glassy | cross-on | cross-off | glassy | cross-on | off | cross-on | on | on | cross-on | cross | cross | glassy | cross-on | off | glassy | cross-on | cross-off | cross-off |
High Tide | 3:45PM1.55m | 2:56AM1.65m | 4:41PM1.64m | 3:38AM1.70m | 5:29PM1.72m | 4:19AM1.75m | 6:12PM1.77m | 4:59AM1.79m | 6:53PM1.80m | 5:39AM1.82m | 7:32PM1.80m | 6:19AM1.82m | 8:10PM1.78m | 7:02AM1.79m | |||||||
Low Tide | 9:14PM0.96m | 9:50AM0.32m | 10:06PM0.99m | 10:34AM0.19m | 10:52PM1.00m | 11:16AM0.10m | 11:35PM1.01m | 11:56AM0.04m | 00:14AM1.01m | 12:36PM0.03m | 00:54AM1.00m | 1:16PM0.06m | 1:34AM0.99m | ||||||||
 |  |  | |  | |  | | |  |  | | | | | | | |  |  |  | |
 | — | — | 4:52 | — | — | 4:52 | — | — | 4:52 | — | — | 4:52 | — | — | 4:52 | — | — | 4:52 | — | — | 4:52 |
 | 7:12 | — | — | 7:12 | — | — | 7:13 | — | — | 7:13 | — | — | 7:14 | — | — | 7:14 | — | — | 7:14 | — | 7:15 |
mm | — | — | — | — | — | — | — | — | — | 1 | 10 | 1 | — | — | — | — | — | — | 1 | 59 | 29 |
Temp °C | 24 | 20 | 24 | 24 | 21 | 24 | 24 | 21 | 23 | 22 | 21 | 20 | 21 | 20 | 24 | 24 | 20 | 25 | 24 | 23 | 24 |
Feels °C | 25 | 20 | 24 | 24 | 22 | 25 | 24 | 23 | 23 | 22 | 22 | 20 | 22 | 21 | 24 | 25 | 22 | 27 | 26 | 22 | 24 |
Swell 1 Height (m) Direction Period (s) | S 8 | SSE 8 | SSE 7 | SSE 7 | S 7 | SSE 7 | SSE 7 | S 7 | S 6 | ESE 10 | ESE 9 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | ESE 8 | S 8 | SW 7 | ESE 8 | SSW 9 | S 8 |
| kJ | 165 | 58 | 40 | 36 | 40 | 27 | 26 | 14 | 12 | 9 | 8 | 452 | 691 | 389 | 141 | 84 | 41 | 13 | 11 | 132 | 196 |
Swell 2 Height (m) Direction Period (s) | E 15 | SSW 8 | SSW 8 | SW 8 | SW 8 | SW 8 | SSW 7 | E 8 | E 8 | E 8 | E 10 | SE 15 | SE 15 | SSW 9 | SSW 8 | SSW 7 | ESE 8 | ESE 8 | SSW 7 | ESE 5 | SE 10 |
| kJ | 4 | 40 | 26 | 17 | 18 | 16 | 5 | 12 | 5 | 4 | 2 | 8 | 8 | 77 | 45 | 43 | 35 | 11 | 9 | 19 | 25 |
Swell 3 Height (m) Direction Period (s) | E 15 | SE 9 | SE 9 | SSW 11 | SE 9 | SE 9 | ESE 10 | SE 9 | ESE 10 | SE 13 | E 15 | SE 12 | SE 15 | NNE 4 | E 13 | SE 13 | SE 11 | SE 11 | SE 11 | SE 10 | E 12 |
| kJ | 4 | 3 | 3 | 11 | 3 | 3 | 9 | 3 | 9 | 6 | 4 | 6 | 8 | 3 | 3 | 7 | 5 | 19 | 19 | 15 | 3 |
Wind waves Height (m) Direction Period (s) | — | SW 2 | — | — | — | — | — | — | — | SE 6 | SSE 6 | ESE 8 | NNE 4 | N 4 | — | SW 3 | SW 4 | — | SE 4 | — | — |
| kJ | — | 1 | — | — | — | — | — | — | — | 30 | 97 | 978 | 12 | 15 | — | 2 | 4 | — | 7 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 4 | 0 | 0 | 33 | 0 | 30 | 470 | 381 | 381 | 381 | 1523 | 30 | 8 | 8 | 0 | 4 | 0 | 30 | 322 | 33 | 381 |
Best forecast wave conditions in Shikoku | |||||||||||||||||||||
Best forecast wave conditions in Japan | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Ikumi Beach 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 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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