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Surf Forecasts:
Asakawa surfForecast / Shikoku / Japan
48hr Weather and Surf, issued 8 pm Monday 25 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 12AM is: 1.1m 8s primary swell from a East-southeast direction and 0.3m 6s secondary swell from a South direction (forecast issued at 08:00pm May 25). The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 May) | 4ft (1.2m) | 8s |
| Afternoon (26 May) | 3ft (0.9m) | 6s |
| 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 48mm), heaviest during Wed night. Warm (max 25°C on Thu afternoon, min 19°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 25 | Tuesday 26 | Wednesday 27 | Thursday 28 | |||||||||||||||||||||
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 | 12 PM | 3 PM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 8 | ESE 8 | ESE 8 | SE 10 | ESE 5 | SE 5 | SE 10 | ESE 10 | SE 5 | SE 6 | S 7 | S 7 | SE 6 | |
212 | 207 | 165 | 235 | 202 | 197 | 93 | 61 | 90 | 68 | 55 | 100 | 103 | 84 | 33 | 47 | 39 | 25 | 55 | 94 | 193 | 435 | 368 | 116 | |
Wind (km/h) | ||||||||||||||||||||||||
on | glassy | glassy | glassy | glassy | cross-on | on | on | on | on | glassy | glassy | glassy | glassy | on | on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | |
High Tide | 2:14AM1.56m | 2:59PM1.39m | 2:50AM1.59m | 3:57PM1.47m | 3:23AM1.62m | |||||||||||||||||||
Low Tide | 7:42PM0.74m | 8:50AM0.67m | 8:40PM0.81m | 9:32AM0.52m | 9:30PM0.86m | 10:08AM0.40m | ||||||||||||||||||
 |  | | |  | | |  | |  | |  |  |  | | | |  | | |  | | | | |
 | — | — | — | 4:54 | — | — | — | — | — | — | — | 4:54 | — | — | — | — | — | — | — | 4:54 | — | — | — | — |
 | 7:01 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | — | — | 7:04 |
— | — | — | — | — | — | — | 1 | 1 | 1 | 1 | — | — | 1 | 2 | 3 | 5 | 7 | 6 | 7 | 9 | 3 | 1 | — | |
Temp °C | 22 | 21 | 20 | 19 | 20 | 23 | 24 | 23 | 22 | 21 | 21 | 21 | 21 | 21 | 22 | 21 | 19 | 19 | 20 | 21 | 22 | 24 | 24 | 25 |
23 | 23 | 22 | 22 | 22 | 24 | 25 | 23 | 23 | 23 | 23 | 24 | 24 | 23 | 24 | 22 | 21 | 21 | 21 | 22 | 23 | 26 | 27 | 28 | |
Swell 1 Height (m) Direction Period (s) | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 10 | ESE 6 | ESE 6 | ESE 8 | ESE 8 | SE 10 | ESE 8 | ESE 5 | SE 5 | ESE 8 | ESE 10 | ESE 10 | SSW 7 | SE 7 | SSE 7 | SE 6 |
 kJ | 212 | 207 | 165 | 149 | 125 | 119 | 93 | 48 | 20 | 68 | 55 | 100 | 103 | 26 | 22 | 47 | 39 | 21 | 55 | 38 | 70 | 220 | 195 | 116 |
Swell 2 Height (m) Direction Period (s) | E 16 | E 16 | S 6 | S 6 | S 6 | S 6 | SE 15 | SE 15 | ESE 8 | ESE 8 | ESE 8 | SE 10 | SE 10 | ESE 15 | SE 10 | ESE 10 | SE 10 | SE 10 | ESE 14 | ESE 14 | ESE 10 | SSW 8 | SW 8 | SE 10 |
| kJ | 5 | 5 | 7 | 3 | 3 | 3 | 9 | 9 | 14 | 23 | 21 | 26 | 26 | 21 | 26 | 20 | 25 | 25 | 19 | 19 | 19 | 72 | 28 | 25 |
Swell 3 Height (m) Direction Period (s) | E 16 | SW 6 | E 16 | E 16 | E 16 | SE 15 | SE 12 | S 12 | SE 15 | SE 10 | SE 10 | SE 15 | SE 15 | SE 11 | ESE 14 | ESE 8 | ESE 8 | ESE 14 | SE 10 | SE 10 | SSE 10 | ESE 10 | ESE 10 | ESE 13 |
| kJ | 5 | 1 | 5 | 5 | 5 | 9 | 6 | 3 | 9 | 28 | 25 | 9 | 8 | 5 | 21 | 13 | 13 | 19 | 4 | 4 | 10 | 32 | 31 | 18 |
Wind waves Height (m) Direction Period (s) | — | — | — | ESE 8 | ESE 8 | ESE 8 | — | ESE 6 | ESE 6 | — | — | — | — | ESE 8 | ESE 5 | — | — | SE 5 | SE 4 | SE 5 | SE 6 | S 7 | S 7 | SSW 7 |
| kJ | — | — | — | 235 | 202 | 197 | — | 61 | 90 | — | — | — | — | 84 | 33 | — | — | 19 | 29 | 94 | 193 | 435 | 368 | 102 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 11 | 0 | 0 | 0 | 0 | 43 | 19 | 369 | 43 | 19 | 0 | 0 | 0 | 0 | 19 | 11 | 6 | 285 | 64 | 43 | 245 | 64 | 11 | 2 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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