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Surf Forecasts:
Ikumi Beach surfForecast / Shikoku / Japan
16 Day Weather and Surf, issued 2 am Sunday 26 Apr 2026 JSTForecast 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
19.4° C
(Which is normal for this time of year)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 Monday (Apr 27) at 12AM. The primary swell is predicted to be 2.1m and 8s period with a secondary swell of 0.1m and 13s. 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 2.3m 10s and forecast to arrive on Sunday (Apr 26) at 6AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 5s period and expected on Friday (May 01) at 12PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Mon 27th Apr) | 7ft (2.1m) 8s |
| Best Surf | 12AM (Mon 27th Apr) | 7ft (2.1m) 8s |
| Most Powerful | 6AM (Sun 26th Apr) | 7.5ft (2.3m) 10s |
Table - best surf conditions forecast for Ikumi Beach over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 60mm), heaviest during Sun night. Warm (max 23°C on Tue morning, min 15°C on Sun night). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 34mm), heaviest during Thu afternoon. Warm (max 21°C on Wed morning, min 13°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Sunday 26 | Monday 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | Friday 1 | Saturday 2 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
ESE 8 | ESE 8 | ESE 8 | ESE 7 | ESE 7 | S 6 | SE 12 | ESE 12 | ESE 12 | ESE 8 | E 8 | NNE 4 | SE 11 | SE 9 | SE 9 | ESE 8 | SE 8 | SE 10 | ESE 10 | ESE 10 | SE 10 | |
709 | 936 | 501 | 101 | 41 | 18 | 23 | 14 | 13 | 6 | 6 | 7 | 18 | 12 | 27 | 85 | 46 | 34 | 38 | 39 | 49 | |
Wind (km/h) | |||||||||||||||||||||
cross-on | cross-on | cross-off | cross-on | glassy | glassy | glassy | cross-off | glassy | glassy | cross-on | cross | cross | cross | glassy | glassy | off | cross-off | glassy | cross | off | |
High Tide | 1:17PM1.27m | 2:53AM1.44m | 2:45PM1.38m | 3:30AM1.51m | 3:45PM1.51m | 4:01AM1.57m | 4:34PM1.63m | 4:31AM1.63m | 5:17PM1.72m | 4:59AM1.68m | 5:58PM1.76m | 5:27AM1.72m | 6:37PM1.77m | ||||||||
Low Tide | 8:02PM0.51m | 8:57AM0.75m | 9:05PM0.51m | 9:39AM0.56m | 9:54PM0.50m | 10:16AM0.38m | 10:34PM0.52m | 10:51AM0.22m | 11:11PM0.56m | 11:25AM0.09m | 11:45PM0.61m | 12:00PM-0.00m | 00:18AM0.68m | ||||||||
 | |  |  |  |  | | | | | |  | |  |  |  |  |  |  | |  | |
 | 5:20 | — | — | 5:18 | — | — | 5:18 | — | — | 5:16 | — | — | 5:16 | — | — | 5:15 | — | — | 5:13 | — | — |
 | — | 6:40 | — | — | 6:42 | — | — | 6:42 | — | — | 6:43 | — | — | 6:44 | — | — | 6:45 | — | — | 6:45 | — |
4 | 3 | 51 | — | 2 | — | — | — | — | — | 1 | 7 | 5 | 7 | 12 | 2 | — | — | — | — | — | |
Temp °C | 17 | 17 | 16 | 20 | 20 | 17 | 23 | 22 | 18 | 21 | 20 | 15 | 14 | 14 | 15 | 20 | 21 | 15 | 21 | 22 | 17 |
15 | 14 | 12 | 20 | 21 | 18 | 21 | 20 | 19 | 21 | 20 | 15 | 13 | 13 | 16 | 17 | 17 | 12 | 19 | 20 | 15 | |
Swell 1 Height (m) Direction Period (s) | ESE 10 | SE 13 | ESE 8 | ESE 7 | S 6 | S 6 | ESE 7 | ESE 7 | SSW 4 | SSW 4 | SSW 5 | SSW 5 | SE 11 | SE 9 | ESE 6 | ESE 8 | SE 8 | SE 10 | ESE 10 | ESE 10 | SE 10 |
 kJ | 138 | 7 | 501 | 101 | 40 | 18 | 10 | 10 | 3 | 4 | 6 | 5 | 18 | 12 | 20 | 85 | 46 | 34 | 38 | 39 | 49 |
Swell 2 Height (m) Direction Period (s) | — | — | SE 13 | S 6 | ESE 7 | ESE 7 | SSW 6 | ESE 12 | ESE 7 | ESE 8 | SE 11 | SE 11 | SW 5 | ESE 5 | SE 9 | NE 5 | E 9 | E 8 | S 6 | S 6 | S 5 |
| kJ | — | — | 7 | 63 | 41 | 17 | 6 | 14 | 5 | 6 | 5 | 5 | 1 | 3 | 27 | 11 | 39 | 11 | 1 | 1 | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | SE 13 | ESE 12 | NE 4 | SE 12 | SSE 5 | ESE 12 | SE 11 | E 8 | SE 6 | E 10 | E 9 | E 9 | SE 8 | NE 5 | NNE 4 | — | E 11 | E 12 |
| kJ | — | — | — | 6 | 14 | 2 | 23 | 2 | 13 | 5 | 4 | 1 | 2 | 7 | 2 | 16 | 6 | 2 | — | 3 | 3 |
Wind waves Height (m) Direction Period (s) | ESE 8 | ESE 8 | SW 7 | NE 4 | NE 4 | NNE 4 | — | SW 3 | SSW 4 | — | NE 3 | NNE 4 | NE 4 | NNE 4 | NNE 4 | N 4 | N 5 | N 4 | NNE 3 | — | SW 3 |
| kJ | 709 | 936 | 2 | 4 | 6 | 4 | — | 4 | 12 | — | 3 | 7 | 15 | 9 | 4 | 33 | 41 | 22 | 1 | — | 2 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 47 | 272 | 0 | 8 | 0 | 16 | 280 | 596 | 55 | 531 | 563 | 343 | 1048 | 2598 | 0 | 0 | 0 | 0 | 0 | 1549 | 0 |
Best forecast wave conditions in Shikoku | |||||||||||||||||||||
Best forecast wave conditions in Japan | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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FREE! Surf-Forecast.com widget for your website
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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