- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Asakawa surfForecast / Shikoku / Japan
48hr Weather and Surf, issued 2 am Wednesday 29 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
20.3° C
(Which is slightly warmer than usual)How big are the waves at Asakawa today?
The current surf forecast for Asakawa at 9AM is: 0.5m 6s primary swell from a South-southwest direction and 0.1m 11s secondary swell from a Southeast direction (forecast issued at 02:00am April 29). An open ocean swell of 0.5m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Apr) | 1.5ft (0.5m) | 6s |
| Afternoon (29 Apr) | 1.5ft (0.4m) | 6s |
| Evening (29 Apr) | 0.5ft (0.1m) | 11s |
Table - waves today at Asakawa. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 72mm), heaviest during Thu afternoon. Warm (max 21°C on Wed morning, min 12°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 29 | Thursday 30 | Friday 1 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
SSW 5 | S 6 | S 6 | SSW 6 | SSW 6 | SW 6 | SSW 6 | SE 11 | SE 11 | SE 11 | SSE 6 | SE 11 | SE 9 | ESE 6 | ESE 6 | ESE 6 | ESE 7 | ESE 8 | ESE 8 | ESE 7 | SW 8 | SSW 8 | SW 8 | SW 8 | |
58 | 31 | 23 | 18 | 13 | 8 | 5 | 5 | 5 | 5 | 5 | 18 | 12 | 40 | 136 | 288 | 485 | 628 | 508 | 272 | 634 | 231 | 210 | 82 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | glassy | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross | glassy | glassy | cross | cross-off | cross-off | cross-off | |
High Tide | 4:18AM1.69m | 4:56PM1.65m | 4:43AM1.73m | 5:34PM1.71m | 5:07AM1.74m | 6:10PM1.73m | ||||||||||||||||||
Low Tide | 10:11PM0.62m | 10:40AM0.44m | 10:46PM0.66m | 11:09AM0.31m | 11:19PM0.71m | 11:38AM0.22m | ||||||||||||||||||
 |  |  |  | | | | | |  |  |  | | | |  | | | |  | | | |  | |
 | — | 5:16 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:44 | — | — | — | — | — | — | — | 6:44 | — |
— | — | — | — | — | — | — | — | — | 1 | 3 | 6 | 9 | 7 | 10 | 9 | 10 | 7 | 4 | 2 | 1 | 3 | — | — | |
Temp °C | 18 | 18 | 17 | 20 | 21 | 19 | 17 | 15 | 15 | 13 | 12 | 12 | 12 | 13 | 14 | 16 | 17 | 18 | 18 | 19 | 19 | 19 | 16 | 13 |
18 | 19 | 17 | 20 | 20 | 17 | 15 | 13 | 13 | 11 | 10 | 10 | 11 | 12 | 12 | 14 | 16 | 19 | 20 | 21 | 19 | 16 | 12 | 10 | |
Swell 1 Height (m) Direction Period (s) | S 5 | S 6 | S 6 | SSW 6 | SSW 6 | SW 6 | SSW 6 | SSW 5 | SSW 5 | SE 11 | SE 11 | SE 11 | SE 9 | ESE 6 | S 13 | S 13 | S 13 | S 13 | ESE 8 | ESE 7 | SSW 8 | SSW 8 | SW 8 | SW 8 |
 kJ | 28 | 31 | 23 | 18 | 13 | 8 | 3 | 3 | 3 | 5 | 5 | 18 | 12 | 40 | 4 | 3 | 3 | 3 | 508 | 272 | 270 | 231 | 210 | 82 |
Swell 2 Height (m) Direction Period (s) | ESE 12 | ESE 11 | E 8 | SE 11 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SSE 6 | SSE 6 | SSE 5 | SE 9 | — | — | — | — | SSE 8 | S 8 | ESE 8 | SE 8 | SE 8 | SE 8 |
| kJ | 13 | 13 | 5 | 5 | 2 | 1 | 1 | 1 | 1 | 1 | 3 | 3 | 3 | 12 | — | — | — | — | 257 | 161 | 178 | 133 | 86 | 62 |
Swell 3 Height (m) Direction Period (s) | E 8 | E 8 | SE 11 | E 8 | SE 11 | S 5 | SE 11 | SE 11 | SE 11 | SW 5 | E 10 | E 10 | E 9 | E 9 | — | — | — | — | — | SE 8 | NNE 3 | N 4 | NE 4 | E 8 |
| kJ | 4 | 4 | 5 | 4 | 5 | 2 | 5 | 5 | 5 | 1 | 2 | 7 | 7 | 2 | — | — | — | — | — | 138 | 2 | 8 | 1 | 5 |
Wind waves Height (m) Direction Period (s) | SSW 5 | — | NE 3 | NE 4 | NE 4 | NE 4 | NE 5 | NE 5 | NNE 4 | NE 4 | NE 4 | NNE 4 | NNE 4 | NE 4 | ESE 6 | ESE 6 | ESE 7 | ESE 8 | — | N 3 | SW 8 | W 6 | N 4 | W 3 |
| kJ | 58 | — | 4 | 8 | 13 | 36 | 47 | 25 | 21 | 26 | 13 | 10 | 9 | 3 | 136 | 288 | 485 | 628 | — | 6 | 634 | 191 | 6 | 6 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 6 | 43 | 293 | 475 | 475 | 402 | 376 | 1037 | 1037 | 1037 | 1037 | 524 | 1 | 22 | 57 | 245 | 43 | 0 | 0 | 2 | 1 | 2 | 0 |
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