Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Asakawa surfForecast / Shikoku / Japan
48hr Weather and Surf, issued 2 pm Sunday 28 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
19.7° C
(Which is slightly warmer than usual)How big are the waves at Asakawa today?
The current surf forecast for Asakawa at 4PM is: 0.3m 14s primary swell from a East-northeast direction and 0.3m 8s secondary swell from a Southeast direction (forecast issued at 02:00pm December 28). An open ocean swell of 0.3m 4s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Dec) | - | - |
| Afternoon (28 Dec) | 1ft (0.3m) | 14s |
| Evening (28 Dec) | 1ft (0.3m) | 14s |
Table - waves today at Asakawa. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 31 | |||||||||||||||||||||
| 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) (?) | 14 | 14 | 14 | 14 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 12 | 4 | 7 | 7 | 4 | 4 | 9 | 8 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 36 | 36 | 36 | 36 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 5 | 5 | 11 | 6 | 5 | 5 | 2 | 2 | 2 | 3 | 2 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | cross- on | glass | off | glass | off | off | glass | cross- on | cross- on | cross- off | cross- off | cross- off | cross- off | cross- off | glass | glass | glass | cross- off | off | off | off | off | off |
High Tide / height (m) | 12:26AM 1.33 | 12:29PM 1.58 | 2:13AM 1.38 | 1:26PM 1.60 | 3:41AM 1.50 | |||||||||||||||||||
Low Tide / height (m) | 6:16PM 0.70 | 6:03AM 0.85 | 7:31PM 0.55 | 7:26AM 0.98 | 8:39PM 0.37 | 8:50AM 1.05 | ||||||||||||||||||
Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 31 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:05 |
| Sunset | - | 5:00 | - | - | - | - | - | - | - | 5:01 | - | - | - | - | - | - | - | 5:01 | - | - | - | - | - | - |
 | |  | | | | | | | | | | | |  |  | |  |  | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 10 | 11 | 7 | 7 | 8 | 6 | 6 | 8 | 12 | 13 | 9 | 8 | 9 | 9 | 9 | 12 | 14 | 14 | 12 | 10 | 9 | 7 | 6 | 7 |
| Feels °C (?) | 6 | 8 | 4 | 4 | 5 | 3 | 3 | 5 | 8 | 9 | 5 | 4 | 6 | 6 | 6 | 10 | 12 | 12 | 10 | 8 | 7 | 4 | 3 | 4 |
- 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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