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Surf Forecasts:
Ikumi Beach surfForecast / Shikoku / Japan
48hr Weather and Surf, issued 8 am Wednesday 29 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
20.5° C
(Which is slightly warmer than usual)How big are the waves at Ikumi Beach today?
The current surf forecast for Ikumi Beach at 4PM is: 0.9m 4s primary swell from a Northeast direction and 0.4m 6s secondary swell from a South-southwest direction, 0.1m 6s secondary swell from a Southeast direction (forecast issued at 08:00am April 29). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Apr) | 1.5ft (0.5m) | 6s |
| Afternoon (29 Apr) | 3ft (0.9m) | 4s |
| Evening (29 Apr) | 2.5ft (0.7m) | 4s |
Table - waves today at Ikumi Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 72mm), heaviest during Thu night. Warm (max 21°C on Wed morning, min 13°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 29 | Thursday 30 | Friday 1 | Sat 2 | |||||||||||||||||||||
6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 6 | SSW 6 | SSW 6 | NE 4 | NE 4 | NE 4 | NE 4 | NE 4 | NE 4 | SE 11 | NE 4 | ESE 6 | ESE 6 | ESE 6 | ESE 7 | ESE 8 | ESE 8 | ESE 7 | SSW 8 | SSW 8 | ESE 8 | SE 10 | ESE 9 | ESE 9 | |
23 | 18 | 18 | 31 | 40 | 19 | 16 | 16 | 16 | 19 | 17 | 28 | 114 | 233 | 547 | 740 | 749 | 310 | 270 | 267 | 21 | 45 | 54 | 55 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | on | cross-on | cross | cross | cross | cross | cross | cross-on | cross | cross | cross-on | on | on | cross-on | cross-off | glassy | off | off | off | off | off | off | |
High Tide | 4:01AM1.57m | 4:34PM1.63m | 4:31AM1.63m | 5:17PM1.72m | 4:59AM1.68m | 5:58PM1.76m | ||||||||||||||||||
Low Tide | 10:16AM0.38m | 10:34PM0.52m | 10:51AM0.22m | 11:11PM0.56m | 11:25AM0.09m | 11:45PM0.61m | ||||||||||||||||||
 | |  | |  |  | |  |  |  | | |  |  |  | | |  | | |  |  | | | |
 | 5:16 | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:15 | — | — | — | — | — | — | — | 5:13 |
 | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:44 | — | — | — | — | — | — | — | 6:45 | — | — | 6:45 |
— | — | 1 | 1 | — | — | — | 2 | 4 | 6 | 9 | 5 | 11 | 13 | 10 | 6 | 1 | 1 | 1 | 1 | — | — | — | — | |
Temp °C | 17 | 20 | 21 | 19 | 17 | 16 | 15 | 13 | 13 | 13 | 13 | 13 | 14 | 18 | 18 | 18 | 18 | 20 | 20 | 20 | 16 | 15 | 14 | 13 |
18 | 21 | 21 | 18 | 15 | 15 | 14 | 11 | 11 | 11 | 12 | 11 | 12 | 15 | 16 | 18 | 19 | 22 | 18 | 15 | 12 | 11 | 11 | 10 | |
Swell 1 Height (m) Direction Period (s) | S 6 | SSW 6 | SSW 6 | SSW 6 | SW 6 | SSW 5 | SSW 5 | SE 6 | SE 11 | ESE 6 | SE 5 | ESE 6 | S 13 | S 13 | S 13 | — | ESE 8 | ESE 7 | SSW 8 | SSW 8 | SW 8 | SW 8 | SW 7 | SW 7 |
 kJ | 23 | 18 | 18 | 10 | 5 | 3 | 3 | 1 | 5 | 3 | 4 | 28 | 4 | 3 | 3 | — | 749 | 310 | 270 | 267 | 188 | 96 | 54 | 48 |
Swell 2 Height (m) Direction Period (s) | E 8 | SE 11 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 11 | SE 6 | SE 11 | SE 9 | SE 9 | N 3 | — | — | — | SSW 8 | S 8 | ESE 8 | SE 7 | SE 7 | SE 10 | ESE 9 | ESE 9 |
| kJ | 5 | 5 | 2 | 1 | 1 | 1 | 1 | 5 | 1 | 18 | 12 | 12 | 1 | — | — | — | 90 | 200 | 138 | 65 | 19 | 45 | 54 | 55 |
Swell 3 Height (m) Direction Period (s) | SE 11 | E 8 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SW 5 | E 10 | E 10 | E 9 | E 9 | S 13 | — | — | — | — | SE 7 | SE 7 | E 8 | ESE 8 | E 8 | — | — |
| kJ | 5 | 4 | 5 | 5 | 5 | 5 | 5 | 1 | 2 | 2 | 7 | 2 | 4 | — | — | — | — | 75 | 64 | 34 | 21 | 5 | — | — |
Wind waves Height (m) Direction Period (s) | NE 3 | NE 4 | NE 4 | NE 4 | NE 4 | NE 4 | NE 4 | NE 4 | NE 4 | NNE 4 | NE 4 | NE 4 | ESE 6 | ESE 6 | ESE 7 | ESE 8 | — | — | SW 8 | WSW 7 | N 4 | NW 4 | WSW 3 | WNW 3 |
| kJ | 2 | 5 | 13 | 31 | 40 | 19 | 16 | 16 | 16 | 19 | 17 | 7 | 114 | 233 | 547 | 740 | — | — | 624 | 826 | 6 | 7 | 3 | 2 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 30 | 516 | 486 | 486 | 393 | 1048 | 381 | 1048 | 1048 | 1048 | 276 | 8 | 36 | 233 | 233 | 47 | 0 | 0 | 0 | 15 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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