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Surf Forecasts:
Asakawa surfForecast / Shikoku / Japan
48hr Weather and Surf, issued 8 am Monday 30 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
18.1° 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: 0.7m 5s primary swell from a South-southwest direction and 0.2m 8s secondary swell from a East-southeast direction, 0.1m 7s secondary swell from a South direction (forecast issued at 08:00am March 30). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Mar) | 2.5ft (0.7m) | 5s |
| Afternoon (30 Mar) | 2.5ft (0.7m) | 5s |
| Evening (30 Mar) | 4ft (1.2m) | 5s |
Table - waves today at Asakawa. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 30 | Tuesday 31 | Wednesday 01 | Thu 02 | |||||||||||||||||||||
| 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) (?) | 5 | 5 | 5 | 5 | 4 | 5 | 6 | 8 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 25 | 23 | 28 | 21 | 25 | 78 | 263 | 982 | 3775 | 3562 | 3338 | 2377 | 3200 | 1057 | 656 | 249 | 313 | 134 | 91 | 70 | 66 | 54 | 41 | 36 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- on | cross- on | cross- on | cross- on | on | on | on | cross- on | cross- on | cross- on | cross | cross- off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 4:45AM 1.68 | 4:24PM 1.65 | 5:09AM 1.74 | 5:07PM 1.74 | 5:32AM 1.78 | 5:46PM 1.80 | ||||||||||||||||||
Low Tide / height (m) | 10:39AM 0.74 | 10:46PM 0.36 | 11:09AM 0.57 | 11:20PM 0.39 | 11:38AM 0.42 | 11:50PM 0.44 | ||||||||||||||||||
Monday 30 | Tuesday 31 | Wednesday 01 | Thu 02 | |||||||||||||||||||||
| Sunrise | 5:54 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:50 | - | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:20 | - | - | - | - | - | - | - | 6:21 | - | - | - | - | - | - | - | 6:22 | - | - | - |
 | |  | |  |  |  | |  |  |  | | |  | |  | | | | | | |  | | |
Rain (mm) | - | - | - | - | 1 | 5 | 13 | 35 | 45 | 10 | 2 | 1 | - | - | - | - | - | - | - | 3 | 2 | 2 | - | 1 |
| Temp. °C | 15 | 19 | 20 | 20 | 17 | 17 | 15 | 17 | 20 | 21 | 21 | 21 | 19 | 14 | 13 | 12 | 12 | 14 | 14 | 13 | 12 | 12 | 12 | 12 |
| Feels °C (?) | 14 | 18 | 17 | 17 | 15 | 15 | 12 | 13 | 15 | 18 | 18 | 20 | 20 | 11 | 10 | 10 | 10 | 12 | 12 | 11 | 10 | 10 | 10 | 11 |
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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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