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Surf Forecasts:
Ikumi Beach surfForecast / Shikoku / Japan
48hr Weather and Surf, issued 2 am Wednesday 20 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
21.8° C
(Which is slightly warmer than usual)How big are the waves at Ikumi Beach today?
The current surf forecast for Ikumi Beach at 8AM is: 0.9m 10s primary swell from a Southeast direction and 0.5m 6s secondary swell from a South-southeast direction (forecast issued at 02:00am May 20). The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 3ft (0.9m) | 10s |
| Afternoon (20 May) | 3ft (0.9m) | 10s |
| Evening (20 May) | 2.5ft (0.8m) | 10s |
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 26mm), heaviest during Thu afternoon. Warm (max 24°C on Thu morning, min 19°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 20 | Thursday 21 | Friday 22 | ||||||||||||||||||||||
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 11 | ESE 11 | SE 10 | SE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | S 6 | S 7 | S 7 | SSW 7 | SSW 7 | SSW 7 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 7 | SSW 7 | SSW 7 | ESE 9 | |
143 | 143 | 160 | 157 | 182 | 178 | 127 | 125 | 125 | 202 | 266 | 286 | 319 | 472 | 456 | 383 | 700 | 376 | 246 | 196 | 136 | 105 | 82 | 50 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | glassy | glassy | glassy | glassy | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | glassy | glassy | on | glassy | on | glassy | on | |
High Tide | 7:06AM1.71m | 9:04PM1.62m | 7:46AM1.64m | 9:53PM1.56m | 8:34AM1.55m | |||||||||||||||||||
Low Tide | 1:39AM0.94m | 2:05PM0.07m | 2:21AM0.99m | 2:50PM0.19m | 3:12AM1.02m | 3:40PM0.32m | ||||||||||||||||||
 | |  |  |  |  | | |  | | | | | | | |  | | | | | | | | |
 | — | 4:58 | — | — | — | — | — | — | — | 4:58 | — | — | — | — | — | — | — | 4:58 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — |
— | — | — | — | 1 | 1 | 1 | — | 1 | 1 | — | — | 4 | 5 | 2 | 1 | 1 | — | 1 | 1 | 1 | — | — | 1 | |
Temp °C | 20 | 20 | 20 | 22 | 21 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 23 | 23 | 23 | 23 | 22 | 21 | 21 | 22 | 21 | 22 | 21 | 20 |
22 | 22 | 22 | 25 | 24 | 27 | 27 | 26 | 25 | 25 | 26 | 26 | 23 | 23 | 24 | 25 | 25 | 24 | 24 | 24 | 23 | 24 | 24 | 20 | |
Swell 1 Height (m) Direction Period (s) | ESE 11 | ESE 11 | SE 10 | SE 10 | ESE 10 | ESE 10 | ESE 10 | S 6 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | SE 9 | SE 10 | ESE 10 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 7 | SSW 7 | SSW 7 | SSE 6 |
 kJ | 143 | 143 | 160 | 157 | 182 | 178 | 127 | 71 | 125 | 120 | 115 | 113 | 110 | 86 | 92 | 81 | 366 | 376 | 246 | 196 | 136 | 105 | 82 | 33 |
Swell 2 Height (m) Direction Period (s) | SSE 7 | SSE 7 | SSE 6 | SSE 6 | SSE 7 | SSE 7 | SSE 6 | ESE 10 | — | — | — | — | — | — | — | — | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 10 | SSW 7 |
| kJ | 19 | 17 | 24 | 23 | 34 | 34 | 37 | 125 | — | — | — | — | — | — | — | — | 61 | 61 | 61 | 61 | 60 | 56 | 51 | 33 |
Swell 3 Height (m) Direction Period (s) | — | — | S 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NE 4 | ESE 10 | ESE 9 |
| kJ | — | — | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 | 51 | 50 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | SSE 5 | SSE 6 | — | S 6 | S 6 | S 7 | S 7 | SSW 7 | SSW 7 | SSW 7 | SSW 8 | SSW 8 | SW 8 | — | NE 3 | NE 4 | NNE 4 | NE 4 | E 3 |
| kJ | — | — | — | — | — | 42 | 50 | — | 124 | 202 | 266 | 286 | 319 | 472 | 456 | 383 | 700 | 804 | — | 3 | 11 | 13 | 2 | 4 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 4 | 4 | 0 | 0 | 0 | 0 | 14 | 0 | 33 | 0 | 30 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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