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Surf Forecasts:
Asakawa surfForecast / Shikoku / Japan
48hr Weather and Surf, issued 8 am Monday 27 Apr 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
19.7° C
(Which is normal for this time of year)How big are the waves at Asakawa today?
The current surf forecast for Asakawa at 5PM is: 0.7m 7s primary swell from a East-southeast direction and 0.4m 6s secondary swell from a South-southwest direction (forecast issued at 08:00am April 27). An open ocean swell of 0.8m 4s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Apr) | 3.5ft (1.0m) | 7s |
| Afternoon (27 Apr) | 2.5ft (0.8m) | 7s |
| Evening (27 Apr) | 1.5ft (0.5m) | 7s |
Table - waves today at Asakawa. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 5mm), mostly falling on Wed afternoon. Warm (max 23°C on Tue morning, min 13°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 27 | Tuesday 28 | Wednesday 29 | Thu 30 | |||||||||||||||||||||
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 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | SSW 5 | SW 5 | ESE 12 | ESE 12 | SSW 4 | SSW 5 | SSW 5 | S 5 | S 6 | SSW 6 | SSW 6 | SSW 6 | SW 6 | SW 5 | SSW 5 | SE 11 | |
157 | 114 | 84 | 64 | 40 | 29 | 20 | 20 | 18 | 21 | 14 | 14 | 17 | 24 | 58 | 21 | 23 | 25 | 20 | 13 | 8 | 4 | 3 | 5 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | glassy | on | cross-on | glassy | glassy | cross-off | cross-off | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | glassy | glassy | glassy | glassy | cross-off | glassy | glassy | off | |
High Tide | 3:23AM1.59m | 3:20PM1.47m | 3:52AM1.65m | 4:12PM1.57m | 4:18AM1.69m | 4:56PM1.65m | ||||||||||||||||||
Low Tide | 9:33AM0.77m | 9:30PM0.59m | 10:09AM0.59m | 10:11PM0.62m | 10:40AM0.44m | 10:46PM0.66m | ||||||||||||||||||
 |  | | | |  | |  |  | | | | |  | | | | | |  | |  | | | |
 | 5:18 | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:16 |
 | — | — | — | — | 6:40 | — | — | — | — | — | — | — | 6:42 | — | — | — | — | — | — | — | 6:43 | — | — | 6:44 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 | 1 | — | — | |
Temp °C | 15 | 19 | 21 | 21 | 19 | 17 | 16 | 16 | 17 | 21 | 23 | 23 | 21 | 18 | 17 | 17 | 16 | 19 | 19 | 16 | 14 | 13 | 13 | 13 |
14 | 18 | 21 | 21 | 19 | 18 | 16 | 16 | 17 | 21 | 20 | 21 | 22 | 18 | 17 | 17 | 16 | 20 | 19 | 17 | 13 | 13 | 12 | 11 | |
Swell 1 Height (m) Direction Period (s) | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | SSW 5 | ESE 8 | ESE 8 | ESE 8 | ESE 12 | S 5 | S 5 | S 6 | SSW 6 | SSW 6 | SSW 6 | SW 6 | SW 5 | SSW 5 | SE 11 |
 kJ | 157 | 114 | 84 | 64 | 40 | 29 | 20 | 20 | 10 | 5 | 11 | 6 | 6 | 14 | 27 | 21 | 23 | 25 | 20 | 13 | 8 | 4 | 3 | 5 |
Swell 2 Height (m) Direction Period (s) | S 6 | S 6 | S 6 | SSW 6 | S 6 | S 6 | S 5 | S 5 | SSW 5 | ESE 7 | ESE 12 | ESE 12 | ESE 12 | E 8 | ESE 12 | ESE 11 | SE 11 | E 8 | NE 4 | SE 6 | NE 4 | S 5 | S 5 | S 4 |
| kJ | 101 | 51 | 27 | 11 | 10 | 6 | 5 | 5 | 3 | 11 | 14 | 14 | 14 | 5 | 13 | 13 | 5 | 4 | 4 | 1 | 4 | 2 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | SE 13 | NNE 4 | ESE 12 | NE 4 | NE 4 | SSW 6 | SSW 6 | SSW 6 | S 5 | SSE 5 | SSE 5 | SSE 6 | SE 6 | — | E 8 | E 8 | E 8 | SE 11 | SE 6 | SE 11 | S 5 | SE 6 | SE 6 | SW 5 |
| kJ | 7 | 2 | 14 | 5 | 3 | 3 | 3 | 3 | 2 | 3 | 3 | 3 | 1 | — | 5 | 4 | 5 | 5 | 2 | 5 | 2 | 1 | 1 | 1 |
Wind waves Height (m) Direction Period (s) | NNE 4 | N 4 | N 4 | NNE 4 | — | — | — | — | SSW 5 | SW 5 | SSW 3 | SSW 3 | SSW 4 | SSW 5 | SSW 5 | — | NE 3 | NE 4 | NNE 4 | NE 4 | N 4 | NE 4 | NNE 4 | NNE 3 |
| kJ | 3 | 22 | 17 | 25 | — | — | — | — | 18 | 21 | 5 | 8 | 17 | 24 | 58 | — | 1 | 3 | 13 | 4 | 21 | 4 | 1 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 11 | 22 | 30 | 43 | 64 | 43 | 339 | 336 | 293 | 289 | 6 | 0 | 43 | 30 | 282 | 30 | 402 | 473 | 1864 | 997 | 369 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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