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Surf Forecasts:
Ikumi Beach surfForecast / Shikoku / Japan
48hr Weather and Surf, issued 2 am 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
21.7° C
(Which is normal for this time of year)How big are the waves at Ikumi Beach today?
The current surf forecast for Ikumi Beach at 10AM is: 1.7m 7s primary swell from a South direction and 1.4m 7s secondary swell from a South direction, 0.8m 9s secondary swell from a East-southeast direction (forecast issued at 02:00am May 21). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 5.5ft (1.7m) | 7s |
| Afternoon (21 May) | 4.5ft (1.4m) | 7s |
| Evening (21 May) | 5.5ft (1.7m) | 7s |
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 143mm), heaviest during Sat night. Warm (max 24°C on Thu afternoon, min 20°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | ||||||||||||||||||||||
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 | 12 PM | 3 PM | 6 PM | 9 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
ESE 10 | S 6 | S 6 | S 7 | S 7 | S 7 | SSW 7 | SSW 7 | SSW 8 | SSW 7 | SSW 7 | SSW 7 | S 7 | SSW 7 | SSW 7 | S 7 | ESE 6 | ESE 6 | ESE 7 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | |
125 | 156 | 163 | 266 | 278 | 195 | 245 | 314 | 491 | 228 | 164 | 132 | 97 | 75 | 60 | 49 | 191 | 284 | 487 | 778 | 1109 | 974 | 867 | 926 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | glassy | on | on | glassy | cross-on | cross-on | on | on | on | on | on | on | on | on | |
High Tide | 9:04PM1.62m | 7:46AM1.64m | 9:53PM1.56m | 8:34AM1.55m | 10:47PM1.51m | 9:37AM1.44m | ||||||||||||||||||
Low Tide | 2:21AM0.99m | 2:50PM0.19m | 3:12AM1.02m | 3:40PM0.32m | 4:17AM1.02m | 4:39PM0.47m | ||||||||||||||||||
 | |  |  | |  |  |  | | |  | | | | |  | | |  | | | | |  | |
 | — | 4:58 | — | — | — | — | — | — | — | 4:58 | — | — | — | — | — | — | — | 4:58 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — |
1 | 1 | — | 1 | 5 | 1 | 2 | — | — | — | — | 1 | 1 | 1 | — | 1 | 4 | 5 | 6 | 4 | 3 | 4 | 8 | 17 | |
Temp °C | 23 | 23 | 23 | 23 | 22 | 23 | 24 | 23 | 23 | 22 | 22 | 23 | 23 | 23 | 23 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 |
26 | 25 | 26 | 26 | 24 | 25 | 26 | 26 | 26 | 25 | 26 | 25 | 25 | 26 | 24 | 20 | 20 | 20 | 19 | 18 | 19 | 20 | 21 | 21 | |
Swell 1 Height (m) Direction Period (s) | ESE 10 | ESE 10 | ESE 10 | S 7 | S 7 | ESE 9 | ESE 9 | SE 9 | SSW 8 | SSW 7 | SSW 7 | SSW 7 | S 7 | SSW 7 | SSW 7 | S 7 | SW 6 | SW 6 | SSW 6 | SW 6 | SSW 6 | SW 6 | — | — |
 kJ | 125 | 120 | 117 | 181 | 188 | 106 | 108 | 90 | 276 | 228 | 164 | 132 | 97 | 75 | 60 | 43 | 10 | 10 | 7 | 10 | 4 | 2 | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | ESE 9 | ESE 9 | — | — | — | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | — | — | SSW 6 | — | — | — | — | — |
| kJ | — | — | — | 110 | 108 | — | — | — | 81 | 61 | 61 | 63 | 52 | 50 | 49 | 49 | — | — | 4 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | NE 4 | SSE 8 | SSE 8 | SE 8 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 6 | 6 | 2 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 6 | S 6 | S 6 | S 7 | S 7 | S 7 | SSW 7 | SSW 7 | SSW 8 | — | NE 3 | NNE 3 | NNE 3 | NE 4 | NE 4 | ENE 4 | ESE 6 | ESE 6 | ESE 7 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 |
| kJ | 80 | 156 | 163 | 266 | 278 | 195 | 245 | 314 | 491 | — | 2 | 3 | 1 | 16 | 14 | 10 | 191 | 284 | 487 | 778 | 1109 | 974 | 867 | 926 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 8 | 0 | 8 | 14 | 0 | 8 | 8 | 30 | 30 | 276 | 272 | 371 | 338 | 272 | 272 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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