- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Asakawa surfForecast / Shikoku / Japan
48hr Weather and Surf, issued 8 am 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
21.3° C
(Which is normal for this time of year)How big are the waves at Asakawa today?
The current surf forecast for Asakawa at 1PM is: 1.6m 9s primary swell from a East direction and 1.2m 9s secondary swell from a East-southeast direction, 0.3m 7s secondary swell from a South-southeast direction (forecast issued at 08:00am May 25). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 May) | 5.5ft (1.7m) | 9s |
| Afternoon (25 May) | 4ft (1.2m) | 8s |
| Evening (25 May) | 4ft (1.2m) | 8s |
Table - waves today at Asakawa. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 15mm), heaviest on Wed night. Warm (max 24°C on Mon morning, min 20°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 25 | Tuesday 26 | Wednesday 27 | Thu 28 | |||||||||||||||||||||
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 9 | E 9 | E 9 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 7 | ESE 6 | ESE 6 | ESE 6 | ESE 8 | ESE 8 | ESE 8 | ESE 6 | ESE 5 | ESE 5 | ESE 5 | ESE 8 | SE 7 | |
295 | 442 | 384 | 207 | 202 | 197 | 153 | 125 | 202 | 197 | 93 | 102 | 93 | 82 | 82 | 119 | 98 | 100 | 55 | 61 | 51 | 36 | 50 | 64 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | on | on | on | on | glassy | glassy | glassy | glassy | cross-on | cross-on | on | on | on | cross-on | glassy | glassy | on | on | on | cross-on | cross-on | cross-on | on | |
High Tide | 1:41PM1.33m | 2:14AM1.56m | 2:59PM1.39m | 2:50AM1.59m | 3:57PM1.47m | |||||||||||||||||||
Low Tide | 7:56AM0.83m | 7:42PM0.74m | 8:50AM0.67m | 8:40PM0.81m | 9:32AM0.52m | 9:30PM0.86m | ||||||||||||||||||
 | |  | | |  | | | | | | | | |  | | | | |  | |  | | | |
 | 4:56 | — | — | — | — | — | — | 4:54 | — | — | — | — | — | — | — | 4:54 | — | — | — | — | — | — | — | 4:54 |
 | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:02 | — | — | 7:04 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 3 | 2 | 3 | |
Temp °C | 20 | 23 | 24 | 23 | 22 | 20 | 20 | 20 | 20 | 23 | 24 | 24 | 22 | 21 | 21 | 21 | 21 | 23 | 24 | 23 | 21 | 20 | 20 | 21 |
22 | 24 | 24 | 24 | 24 | 22 | 23 | 23 | 22 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 23 | 21 | 21 | 23 | |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 9 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | SE 15 | ESE 9 | ESE 8 | ESE 6 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 5 | ESE 5 | ESE 8 | ESE 10 |
 kJ | 295 | 251 | 199 | 207 | 202 | 197 | 153 | 125 | 125 | 98 | 93 | 9 | 42 | 23 | 82 | 119 | 98 | 100 | 21 | 13 | 51 | 36 | 50 | 38 |
Swell 2 Height (m) Direction Period (s) | S 7 | SSE 7 | SSE 7 | SSE 7 | SSE 6 | S 7 | S 6 | S 6 | S 6 | S 6 | SE 15 | S 12 | SE 15 | SE 10 | ESE 10 | SE 10 | SE 10 | SE 10 | SE 10 | ESE 10 | SE 10 | ESE 10 | ESE 10 | ESE 14 |
| kJ | 8 | 9 | 10 | 9 | 8 | 4 | 7 | 3 | 3 | 3 | 9 | 3 | 9 | 27 | 20 | 27 | 25 | 26 | 25 | 20 | 25 | 20 | 19 | 19 |
Swell 3 Height (m) Direction Period (s) | SSW 7 | SSW 7 | SW 7 | SW 6 | E 16 | S 6 | E 16 | E 16 | E 16 | SE 15 | SE 12 | S 12 | S 12 | SE 15 | SE 15 | SE 15 | SE 15 | ESE 15 | ESE 14 | SSE 11 | ESE 8 | ESE 14 | ESE 14 | SE 10 |
| kJ | 5 | 5 | 2 | 2 | 5 | 1 | 5 | 5 | 5 | 9 | 6 | 3 | 3 | 9 | 9 | 9 | 8 | 21 | 21 | 11 | 13 | 19 | 19 | 4 |
Wind waves Height (m) Direction Period (s) | — | E 9 | E 9 | — | — | — | — | — | ESE 8 | ESE 8 | — | ESE 7 | ESE 6 | ESE 6 | — | — | — | — | ESE 6 | ESE 5 | W 7 | — | S 3 | SE 7 |
| kJ | — | 442 | 384 | — | — | — | — | — | 202 | 197 | — | 102 | 93 | 82 | — | — | — | — | 55 | 61 | 1 | — | 1 | 64 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 19 | 11 | 369 | 11 | 0 | 0 | 0 | 0 | 43 | 19 | 473 | 43 | 14 | 14 | 0 | 0 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Asakawa surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest