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Surf Forecasts:
Asakawa surfForecast / Shikoku / Japan
48hr Weather and Surf, issued 8 am Tuesday 26 May 2026 JSTForecast update in hr min s Forecast update imminent
Asakawa surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Asakawa sea temperature is
21.2° C
(Which is normal for this time of year)How big are the waves at Asakawa today?
The current surf forecast for Asakawa at 12PM is: 1.0m 8s primary swell from a East-southeast direction and 0.1m 15s secondary swell from a Southeast direction, 0.1m 12s secondary swell from a Southeast direction (forecast issued at 08:00am May 26). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 May) | 3.5ft (1.0m) | 8s |
| Afternoon (26 May) | 3.5ft (1.1m) | 7s |
| Evening (26 May) | 3.5ft (1.0m) | 6s |
Table - waves today at Asakawa. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 50mm), heaviest during Wed night. Warm (max 24°C on Thu morning, min 20°C on Wed afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 26 | Wednesday 27 | Thursday 28 | Fri 29 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
ESE 8 | ESE 8 | ESE 8 | ESE 7 | ESE 6 | ESE 6 | ESE 6 | ESE 8 | ESE 8 | ESE 8 | ESE 5 | ESE 5 | ESE 5 | ESE 6 | ESE 6 | ESE 6 | SSE 6 | SSW 7 | S 7 | S 7 | SSW 7 | S 7 | S 7 | S 7 | |
125 | 119 | 123 | 134 | 63 | 63 | 53 | 103 | 103 | 103 | 40 | 44 | 61 | 162 | 241 | 202 | 182 | 262 | 173 | 163 | 225 | 111 | 142 | 127 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | cross-on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off | cross-on | glassy | glassy | cross-off | cross-off | glassy | |
High Tide | 2:59PM1.39m | 2:50AM1.59m | 3:57PM1.47m | 3:23AM1.62m | 4:44PM1.55m | |||||||||||||||||||
Low Tide | 8:50AM0.67m | 8:40PM0.81m | 9:32AM0.52m | 9:30PM0.86m | 10:08AM0.40m | 10:12PM0.90m | ||||||||||||||||||
 | | | |  |  | | |  | | |  | |  |  | | |  | | | |  | |  | |
 | 4:54 | — | — | — | — | — | — | 4:54 | — | — | — | — | — | — | — | 4:54 | — | — | — | — | — | — | — | 4:54 |
 | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:04 | — | — | 7:05 |
1 | 1 | 1 | 1 | — | 1 | 1 | 1 | 1 | 2 | 5 | 8 | 7 | 11 | 6 | 3 | 1 | — | — | — | — | — | — | — | |
Temp °C | 21 | 22 | 23 | 23 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 21 | 22 | 22 | 23 | 23 | 24 | 24 | 23 | 22 | 22 | 22 |
23 | 23 | 24 | 24 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 20 | 21 | 22 | 24 | 25 | 27 | 27 | 28 | 28 | 27 | 25 | 25 | 26 | |
Swell 1 Height (m) Direction Period (s) | ESE 8 | S 6 | SE 15 | SE 15 | ESE 8 | ESE 8 | ESE 6 | ESE 8 | SE 10 | SE 10 | ESE 8 | ESE 8 | SE 10 | SE 10 | ESE 10 | ESE 6 | ESE 6 | SSE 6 | ESE 10 | ESE 10 | S 7 | S 7 | S 7 | S 7 |
 kJ | 125 | 3 | 9 | 9 | 22 | 22 | 53 | 103 | 26 | 26 | 22 | 13 | 25 | 25 | 10 | 202 | 99 | 153 | 31 | 54 | 135 | 111 | 142 | 127 |
Swell 2 Height (m) Direction Period (s) | S 6 | SE 15 | SE 12 | S 12 | SE 10 | SE 10 | ESE 8 | SE 10 | SE 15 | ESE 15 | SE 10 | ESE 10 | ESE 14 | ESE 14 | ESE 14 | SSW 6 | SSW 6 | ESE 9 | SSE 10 | ESE 14 | ESE 10 | ESE 10 | ESE 9 | ESE 10 |
| kJ | 3 | 9 | 6 | 3 | 26 | 27 | 21 | 26 | 8 | 21 | 26 | 19 | 19 | 19 | 19 | 11 | 51 | 28 | 10 | 18 | 54 | 35 | 35 | 35 |
Swell 3 Height (m) Direction Period (s) | E 16 | SE 12 | SE 12 | S 12 | SE 15 | SE 15 | SE 10 | SE 15 | SE 11 | SE 11 | ESE 14 | ESE 14 | SE 11 | SE 10 | SE 10 | SE 10 | ESE 10 | SE 10 | ESE 14 | SE 10 | ESE 13 | ESE 13 | ESE 13 | ESE 13 |
| kJ | 5 | 6 | 6 | 3 | 9 | 9 | 25 | 9 | 5 | 5 | 21 | 20 | 5 | 4 | 4 | 26 | 38 | 16 | 18 | 4 | 18 | 17 | 17 | 17 |
Wind waves Height (m) Direction Period (s) | — | ESE 8 | ESE 8 | ESE 7 | ESE 6 | ESE 6 | — | — | ESE 8 | ESE 8 | ESE 5 | ESE 5 | ESE 5 | ESE 6 | ESE 6 | SE 6 | SSE 6 | SSW 7 | S 7 | S 7 | SSW 7 | — | — | NNE 3 |
| kJ | — | 119 | 123 | 134 | 63 | 63 | — | — | 103 | 103 | 40 | 44 | 61 | 162 | 241 | 193 | 182 | 262 | 173 | 163 | 225 | — | — | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 43 | 43 | 43 | 19 | 43 | 19 | 43 | 43 | 43 | 43 | 336 | 64 | 57 | 43 | 43 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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