- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Asakawa surfForecast / Shikoku / Japan
48hr Weather and Surf, issued 2 pm Wednesday 13 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
19.7° C
(Which is slightly cooler than normal)How big are the waves at Asakawa today?
The current surf forecast for Asakawa at 6PM is: 1.1m 9s primary swell from a East-southeast direction and 0.1m 8s secondary swell from a South direction (forecast issued at 02:00pm May 13). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 May) | - | - |
| Afternoon (13 May) | 3.5ft (1.1m) | 9s |
| Evening (13 May) | 3.5ft (1.0m) | 9s |
Table - waves today at Asakawa. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 4mm), mostly falling on Wed afternoon. Warm (max 23°C on Thu morning, min 16°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 13 | Thursday 14 | Friday 15 | Sat 16 | |||||||||||||||||||||
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 | 6 AM | 9 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | E 10 | E 9 | SE 10 | ESE 9 | ESE 9 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | E 8 | E 8 | ESE 8 | |
203 | 203 | 207 | 176 | 161 | 161 | 159 | 137 | 137 | 140 | 137 | 86 | 67 | 60 | 48 | 98 | 69 | 115 | 245 | 264 | 264 | 324 | 286 | 145 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | glassy | cross | cross-off | off | off | off | cross-off | cross-off | cross-off | off | cross-off | off | off | cross-off | cross-off | cross | on | on | glassy | cross-on | glassy | glassy | glassy | |
High Tide | 3:27PM1.54m | 3:29AM1.70m | 4:22PM1.67m | 4:02AM1.77m | 5:13PM1.78m | 4:37AM1.83m | ||||||||||||||||||
Low Tide | 9:20PM0.66m | 9:58AM0.38m | 10:08PM0.69m | 10:37AM0.17m | 10:53PM0.75m | |||||||||||||||||||
 | | |  | | |  | |  | |  | | | | | | | | | |  | | | | |
 | — | — | — | — | — | 5:03 | — | — | — | — | — | — | — | 5:01 | — | — | — | — | — | — | — | 5:01 | — | — |
 | — | — | 6:53 | — | — | — | — | — | — | — | 6:53 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | 6:55 |
3 | 2 | 1 | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 21 | 21 | 20 | 18 | 17 | 17 | 17 | 22 | 23 | 23 | 22 | 19 | 17 | 16 | 16 | 21 | 22 | 22 | 20 | 18 | 18 | 17 | 17 | 21 |
21 | 22 | 21 | 18 | 17 | 16 | 16 | 21 | 21 | 22 | 22 | 18 | 15 | 14 | 14 | 19 | 20 | 21 | 21 | 19 | 19 | 19 | 18 | 21 | |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | E 10 | E 9 | E 9 | ESE 9 | ESE 9 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 |
 kJ | 203 | 203 | 207 | 176 | 161 | 161 | 159 | 137 | 137 | 140 | 137 | 86 | 67 | 60 | 42 | 98 | 69 | 115 | 245 | 264 | 264 | 226 | 179 | 145 |
Swell 2 Height (m) Direction Period (s) | S 10 | S 8 | S 8 | S 8 | S 7 | S 7 | S 8 | S 7 | S 7 | S 7 | NE 3 | SE 10 | ESE 10 | ESE 10 | SE 10 | SE 12 | ESE 6 | ESE 10 | SE 11 | SSE 11 | SSE 11 | SE 11 | SE 11 | SE 11 |
| kJ | 2 | 1 | 1 | 4 | 1 | 4 | 4 | 4 | 4 | 4 | 2 | 26 | 67 | 38 | 48 | 21 | 20 | 20 | 20 | 12 | 12 | 19 | 19 | 18 |
Swell 3 Height (m) Direction Period (s) | — | S 10 | S 10 | S 9 | S 9 | S 9 | — | — | — | — | S 7 | S 7 | S 7 | SE 11 | SE 11 | S 7 | SE 11 | SE 11 | S 7 | S 6 | SE 16 | SE 15 | SE 15 | SE 15 |
| kJ | — | 2 | 2 | 2 | 1 | 1 | — | — | — | — | 4 | 1 | 4 | 20 | 20 | 4 | 20 | 20 | 1 | 1 | 10 | 9 | 9 | 9 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | N 3 | NE 3 | NE 3 | NE 3 | — | — | NE 3 | NNE 3 | NE 3 | NE 3 | NE 3 | — | — | — | — | E 8 | E 8 | — |
| kJ | — | — | — | — | — | — | 4 | 3 | 5 | 4 | — | — | 2 | 4 | 5 | 4 | 2 | — | — | — | — | 324 | 286 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 41 | 41 | 19 | 19 | 0 | 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