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Surf Forecasts:
Asakawa surfForecast / Shikoku / Japan
48hr Weather and Surf, issued 2 pm Tuesday 31 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
18.3° C
(Which is normal for this time of year)How big are the waves at Asakawa today?
The current surf forecast for Asakawa at 7PM is: 4.0m 10s primary swell from a South-southwest direction and 3.0m 10s secondary swell from a South direction, 0.1m 17s secondary swell from a Southeast direction (forecast issued at 02:00pm March 31). The wind direction is predicted to be cross-offshore and the swell rating is 5.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Mar) | - | - |
| Afternoon (31 Mar) | 13ft (4.0m) | 10s |
| Evening (31 Mar) | 8ft (2.5m) | 10s |
Table - waves today at Asakawa. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 31 | Wednesday 01 | Thursday 02 | Friday 03 | |||||||||||||||||||||
| 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 | 6 AM | 9 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 9 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 3105 | 2725 | 3367 | 1229 | 805 | 575 | 380 | 160 | 88 | 79 | 64 | 77 | 47 | 47 | 57 | 110 | 110 | 87 | 31 | 35 | 24 | 17 | 18 | 18 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross | cross | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | cross- off | glass | glass | glass | off | off | off | off | cross- off |
High Tide / height (m) | 5:07PM 1.74 | 5:32AM 1.78 | 5:46PM 1.80 | 5:53AM 1.80 | 6:21PM 1.82 | 6:15AM 1.80 | ||||||||||||||||||
Low Tide / height (m) | 11:09AM 0.57 | 11:20PM 0.39 | 11:38AM 0.42 | 11:50PM 0.44 | 12:06PM 0.31 | 12:19AM 0.52 | ||||||||||||||||||
Tuesday 31 | Wednesday 01 | Thursday 02 | Friday 03 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 5:50 | - | - | - | - | - | - | - | 5:50 | - | - | - | - | - | - | - | 5:48 | - |
| Sunset | - | - | 6:21 | - | - | - | - | - | - | - | 6:22 | - | - | - | - | - | - | - | 6:22 | - | - | - | - | - |
 | |  |  | |  |  |  | | | |  | | |  | | | | |  | | | | | |
Rain (mm) | 5 | 2 | - | - | - | - | - | 1 | 1 | 2 | 3 | 1 | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 21 | 22 | 20 | 16 | 14 | 13 | 13 | 12 | 13 | 12 | 12 | 12 | 12 | 12 | 11 | 15 | 18 | 17 | 16 | 12 | 11 | 10 | 10 | 15 |
| Feels °C (?) | 18 | 20 | 22 | 15 | 13 | 10 | 11 | 9 | 11 | 9 | 10 | 10 | 10 | 11 | 9 | 13 | 17 | 16 | 15 | 9 | 8 | 7 | 7 | 13 |
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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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