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Surf Forecasts:
Ikumi Beach surfForecast / Shikoku / Japan
48hr Weather and Surf, issued 2 pm Thursday 21 May 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
22.1° C
(Which is slightly warmer than usual)How big are the waves at Ikumi Beach today?
The current surf forecast for Ikumi Beach at 10PM is: 1.8m 8s primary swell from a South-southwest direction and 0.7m 9s secondary swell from a East-southeast direction (forecast issued at 02:00pm May 21). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | - | - |
| Afternoon (21 May) | 5ft (1.5m) | 7s |
| Evening (21 May) | 6ft (1.8m) | 8s |
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 101mm), heaviest during Sat night. Warm (max 24°C on Thu afternoon, min 19°C on Sun morning). Wind will be generally light. | ||||||||||||||||||||||||
Thu 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
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 | 6 AM | 9 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 7 | S 7 | SSW 7 | SSW 8 | SSW 8 | SSW 8 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | ESE 9 | ESE 9 | E 5 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | E 8 | |
217 | 233 | 284 | 358 | 276 | 234 | 164 | 111 | 79 | 60 | 59 | 49 | 64 | 378 | 449 | 675 | 879 | 1238 | 1093 | 1067 | 1194 | 1193 | 744 | 1110 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | off | cross-on | glassy | on | cross-on | glassy | cross-on | cross-on | on | on | on | on | on | on | on | on | on | cross-on | cross | cross-on | |
High Tide | 9:53PM1.56m | 8:34AM1.55m | 10:47PM1.51m | 9:37AM1.44m | 11:47PM1.48m | |||||||||||||||||||
Low Tide | 2:50PM0.19m | 3:12AM1.02m | 3:40PM0.32m | 4:17AM1.02m | 4:39PM0.47m | 5:38AM0.97m | ||||||||||||||||||
 |  | |  |  | | |  | | |  | |  |  | | | |  | |  | | | | | |
 | — | — | — | — | — | 4:58 | — | — | — | — | — | — | — | 4:58 | — | — | — | — | — | — | — | 4:56 | — | — |
 | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | 7:01 |
3 | — | — | — | — | — | — | 1 | 1 | 1 | — | — | 4 | 7 | 5 | 4 | 3 | 6 | 8 | 24 | 10 | 16 | 7 | 3 | |
Temp °C | 23 | 24 | 24 | 24 | 23 | 22 | 22 | 23 | 22 | 22 | 22 | 20 | 20 | 20 | 20 | 20 | 21 | 20 | 21 | 21 | 21 | 20 | 20 | 19 |
24 | 26 | 26 | 27 | 27 | 25 | 26 | 25 | 24 | 25 | 23 | 20 | 20 | 19 | 19 | 18 | 20 | 18 | 21 | 21 | 21 | 19 | 20 | 19 | |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 9 | SE 9 | ESE 9 | SSW 8 | SSW 8 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 6 | S 6 | S 6 | SSW 6 | SSW 6 | SW 6 | — | — | — | — | — | — | — | ESE 8 |
 kJ | 106 | 108 | 88 | 78 | 276 | 234 | 164 | 111 | 79 | 60 | 44 | 29 | 18 | 4 | 4 | 6 | — | — | — | — | — | — | — | 499 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | SW 6 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 61 | 63 | 61 | 63 | 61 | 59 | 59 | 49 | 7 | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | NE 3 | NE 4 | SE 7 | SE 7 | SE 8 | SE 8 | SSE 7 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 1 | 5 | 2 | 2 | 2 | 2 | 5 | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 7 | S 7 | SSW 7 | SSW 8 | SW 8 | — | NNE 3 | — | NE 5 | NE 5 | NE 4 | NE 4 | E 5 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | E 8 |
| kJ | 217 | 233 | 284 | 358 | 574 | — | 7 | — | 6 | 17 | 18 | 14 | 64 | 378 | 449 | 675 | 879 | 1238 | 1093 | 1067 | 1194 | 1193 | 744 | 1110 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 4 | 4 | 0 | 0 | 0 | 8 | 0 | 8 | 8 | 0 | 8 | 8 | 30 | 30 | 30 | 276 | 276 | 272 | 30 | 291 | 233 | 30 | 14 | 14 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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