- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Asakawa surfForecast / Shikoku / Japan
48hr Weather and Surf, issued 8 am Saturday 21 Mar 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
17.4° C
(Which is normal for this time of year)How big are the waves at Asakawa today?
The current surf forecast for Asakawa at 12PM is: 0.1m 18s primary swell from a Southeast direction and 0.1m 6s secondary swell from a South direction (forecast issued at 08:00am March 21). An open ocean swell of 0.9m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Mar) | 0.5ft (0.1m) | 18s |
| Afternoon (21 Mar) | 0.5ft (0.1m) | 18s |
| Evening (21 Mar) | 0.5ft (0.1m) | 18s |
Table - waves today at Asakawa. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 21 | Sunday 22 | Monday 23 | Tue 24 | |||||||||||||||||||||
| 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 4 | 4 | 4 | 4 | 8 | 7 | 7 | 7 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 14 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 14 | 9 | 21 | 43 | 53 | 56 | 64 | 69 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross | glass | cross- off | cross- off | off | off | glass | on | on | cross- on | glass | cross- on | cross- on | cross- off | cross- off | glass | glass | glass | off | off | off |
High Tide / height (m) | 6:58AM 1.88 | 7:41PM 1.86 | 7:24AM 1.86 | 8:26PM 1.75 | 7:52AM 1.81 | 9:19PM 1.60 | ||||||||||||||||||
Low Tide / height (m) | 1:17PM 0.15 | 1:31AM 0.58 | 1:55PM 0.13 | 2:04AM 0.75 | 2:37PM 0.17 | 2:38AM 0.93 | ||||||||||||||||||
Saturday 21 | Sunday 22 | Monday 23 | Tue 24 | |||||||||||||||||||||
| Sunrise | - | 6:05 | - | - | - | - | - | - | - | 6:03 | - | - | - | - | - | - | - | 6:03 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:14 | - | - | - | - | - | - | - | 6:14 | - | - | - | - | - | - | - | 6:15 | - | - | - |
 |  | | | |  | | | |  | |  | |  | |  | |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | 2 | 4 | 7 | 3 | 1 | - | - | - | - | - | - |
| Temp. °C | 6 | 10 | 14 | 14 | 12 | 10 | 9 | 9 | 9 | 13 | 15 | 16 | 14 | 11 | 11 | 11 | 11 | 11 | 13 | 16 | 14 | 12 | 10 | 8 |
| Feels °C (?) | 1 | 5 | 9 | 9 | 10 | 7 | 6 | 6 | 6 | 11 | 12 | 12 | 12 | 10 | 9 | 9 | 9 | 9 | 12 | 15 | 13 | 9 | 6 | 4 |
- 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