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Surf Forecasts:
Asakawa surfForecast / Shikoku / Japan
48hr Weather and Surf, issued 8 pm Saturday 18 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
18.6° C
(Which is normal for this time of year)How big are the waves at Asakawa today?
The current surf forecast for Asakawa at 2AM is: 2.2m 15s primary swell from a Southeast direction and 0.2m 12s secondary swell from a East-northeast direction (forecast issued at 08:00pm April 18). The wind direction is predicted to be offshore and the swell rating is 4.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Apr) | 7ft (2.1m) | 14s |
| Afternoon (19 Apr) | 7ft (2.1m) | 14s |
| Evening (19 Apr) | 7ft (2.2m) | 14s |
Table - waves today at Asakawa. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sat 18 | Sunday 19 | Monday 20 | Tuesday 21 | |||||||||||||||||||||
| 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 | 6 AM | 9 AM | 12 PM | 3 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1900 | 2208 | 2178 | 1983 | 1830 | 1779 | 1665 | 1618 | 1787 | 1891 | 2110 | 2110 | 1894 | 1308 | 1216 | 1030 | 848 | 1170 | 843 | 703 | 655 | 500 | 454 | 343 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | glass | off | cross- off | cross | cross- on | cross- on | glass | glass | cross- on | cross- on | cross- on | cross- on | on | on | glass | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off |
High Tide / height (m) | 6:53PM 1.90 | 6:19AM 1.89 | 7:40PM 1.84 | 6:51AM 1.86 | 8:30PM 1.74 | 7:25AM 1.80 | ||||||||||||||||||
Low Tide / height (m) | 12:36AM 0.68 | 12:58PM -0.04 | 1:12AM 0.81 | 1:40PM -0.02 | 1:50AM 0.94 | 2:27PM 0.07 | ||||||||||||||||||
Sat 18 | Sunday 19 | Monday 20 | Tuesday 21 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:28 | - | - | - | - | - | - | - | 5:26 | - | - | - | - | - | - | - | 5:26 | - | - | - |
| Sunset | 6:35 | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:36 | - | - | - | - | - | - | - |
 |  | | |  | | | | |  | |  |  |  | | | |  | | | |  | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | 2 | 2 | 2 | 1 | - | - | - | - | - | - | - |
| Temp. °C | 18 | 17 | 17 | 16 | 16 | 19 | 20 | 19 | 18 | 17 | 18 | 18 | 17 | 17 | 18 | 18 | 19 | 17 | 16 | 16 | 17 | 18 | 20 | 21 |
| Feels °C (?) | 19 | 18 | 18 | 16 | 16 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 17 | 17 | 18 | 18 | 20 | 18 | 16 | 16 | 17 | 15 | 14 | 16 |
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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.
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