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Surf Forecasts:
Asakawa surfForecast / Shikoku / Japan
48hr Weather and Surf, issued 8 am Monday 08 Dec 2025 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
21.4° C
(Which is slightly warmer than usual)How big are the waves at Asakawa today?
The current surf forecast for Asakawa at 3PM is: 0.4m 9s primary swell from a East-southeast direction and 0.3m 4s secondary swell from a Southwest direction (forecast issued at 08:00am December 08). The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 Dec) | 1.5ft (0.4m) | 9s |
| Afternoon (08 Dec) | 1.5ft (0.4m) | 9s |
| Evening (08 Dec) | 1.5ft (0.4m) | 8s |
Table - waves today at Asakawa. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 08 | Tuesday 09 | Wednesday 10 | Thu 11 | |||||||||||||||||||||
| 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) (?) | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 32 | 32 | 33 | 31 | 29 | 28 | 28 | 41 | 40 | 39 | 39 | 30 | 30 | 30 | 30 | 30 | 30 | 20 | 32 | 36 | 38 | 38 | 37 | 51 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | glass | glass | glass | off | off | off | off | off | off | cross- off | glass | off | off | off | off | off | glass | glass | on | glass | glass | cross- off | cross- off |
High Tide / height (m) | 8:46AM 1.71 | 7:28PM 1.75 | 9:34AM 1.63 | 8:18PM 1.63 | 10:23AM 1.57 | 9:15PM 1.49 | ||||||||||||||||||
Low Tide / height (m) | 2:01PM 1.01 | 2:32AM 0.10 | 2:53PM 1.02 | 3:20AM 0.28 | 3:54PM 1.01 | |||||||||||||||||||
Monday 08 | Tuesday 09 | Wednesday 10 | Thu 11 | |||||||||||||||||||||
| Sunrise | - | 6:52 | - | - | - | - | - | - | - | 6:54 | - | - | - | - | - | - | - | 6:54 | - | - | - | - | - | - |
| Sunset | - | - | - | 4:53 | - | - | - | - | - | - | - | 4:53 | - | - | - | - | - | - | - | 4:53 | - | - | - | - |
 |  | |  |  |  | | | | | | | | | | | |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 11 | 14 | 17 | 17 | 13 | 10 | 9 | 7 | 6 | 9 | 13 | 13 | 9 | 8 | 7 | 7 | 7 | 10 | 13 | 13 | 10 | 10 | 9 | 9 |
| Feels °C (?) | 8 | 12 | 16 | 16 | 10 | 5 | 5 | 3 | 2 | 5 | 9 | 10 | 6 | 4 | 3 | 4 | 3 | 7 | 11 | 10 | 8 | 8 | 6 | 6 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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