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Surf Forecasts:
Asakawa surfForecast / Shikoku / Japan
48hr Weather and Surf, issued 2 am Thursday 07 May 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
20.3° C
(Which is normal for this time of year)How big are the waves at Asakawa today?
The current surf forecast for Asakawa at 6AM is: 0.7m 9s primary swell from a East-southeast direction and 0.7m 6s secondary swell from a Southeast direction (forecast issued at 02:00am May 07). The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 May) | 2.5ft (0.7m) | 9s |
| Afternoon (07 May) | 2.5ft (0.8m) | 9s |
| Evening (07 May) | 3.5ft (1.0m) | 7s |
Table - waves today at Asakawa. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Fri afternoon. Warm (max 23°C on Fri morning, min 13°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 7 | Friday 8 | Saturday 9 | ||||||||||||||||||||||
12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | SE 7 | SE 7 | SE 7 | SE 7 | SE 10 | SE 10 | SE 10 | ESE 10 | ESE 11 | ESE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 10 | SE 10 | |
59 | 58 | 75 | 73 | 101 | 90 | 121 | 97 | 84 | 71 | 177 | 204 | 157 | 141 | 143 | 146 | 117 | 137 | 137 | 137 | 117 | 115 | 108 | 104 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | off | glassy | on | on | cross-on | cross-off | cross-off | cross-off | glassy | glassy | cross-on | cross-on | cross-off | off | cross-off | cross-off | off | off | glassy | cross-on | cross-on | cross-off | |
High Tide | 9:20PM1.48m | 7:45AM1.56m | 10:16PM1.42m | 8:22AM1.47m | 11:27PM1.40m | 9:17AM1.37m | ||||||||||||||||||
Low Tide | 2:20AM1.08m | 3:00PM0.40m | 3:07AM1.14m | 3:51PM0.49m | 4:24AM1.18m | 4:56PM0.57m | ||||||||||||||||||
 |  |  | | | | | |  | |  | | |  | | | | |  | | | | | | |
 | — | 5:09 | — | — | — | — | — | — | — | 5:07 | — | — | — | — | — | — | — | 5:07 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:49 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:51 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 18 | 17 | 17 | 20 | 22 | 22 | 21 | 19 | 18 | 18 | 19 | 22 | 23 | 23 | 19 | 14 | 13 | 14 | 14 | 17 | 19 | 20 | 18 | 15 |
20 | 18 | 17 | 21 | 23 | 23 | 23 | 20 | 19 | 18 | 20 | 23 | 23 | 22 | 18 | 12 | 9 | 10 | 11 | 13 | 17 | 18 | 16 | 13 | |
Swell 1 Height (m) Direction Period (s) | ESE 5 | SE 5 | SE 6 | ESE 9 | ESE 9 | ESE 9 | SE 7 | SE 7 | SE 7 | SE 7 | SE 10 | SE 10 | SE 10 | ESE 10 | ESE 11 | SW 6 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 10 | SE 10 |
 kJ | 36 | 30 | 37 | 73 | 101 | 90 | 121 | 97 | 84 | 71 | 177 | 204 | 157 | 141 | 143 | 78 | 117 | 137 | 137 | 137 | 117 | 115 | 108 | 104 |
Swell 2 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 9 | ESE 6 | SSE 7 | SE 7 | SE 11 | SE 11 | ESE 10 | ESE 10 | S 6 | S 6 | S 6 | SSE 7 | SSE 7 | ESE 11 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | NNE 4 | SW 6 | SW 5 |
| kJ | 59 | 58 | 75 | 18 | 20 | 56 | 31 | 31 | 43 | 43 | 3 | 1 | 21 | 25 | 19 | 146 | 31 | 19 | 20 | 10 | 6 | 2 | 1 | 1 |
Swell 3 Height (m) Direction Period (s) | — | SSE 7 | SSE 7 | SSE 7 | — | — | — | — | — | S 6 | — | — | — | — | — | SSE 7 | SSE 7 | SSW 8 | W 6 | NNE 6 | NNE 6 | SSW 6 | NE 4 | N 3 |
| kJ | — | 5 | 5 | 20 | — | — | — | — | — | 12 | — | — | — | — | — | 17 | 9 | 11 | 30 | 3 | 3 | 4 | 1 | 1 |
Wind waves Height (m) Direction Period (s) | ESE 5 | — | — | — | — | — | — | — | — | — | — | — | SW 4 | SW 5 | SSW 6 | NNW 4 | NNW 5 | N 4 | N 4 | N 5 | N 5 | N 4 | — | — |
| kJ | 48 | — | — | — | — | — | — | — | — | — | — | — | 24 | 33 | 99 | 1 | 17 | 3 | 12 | 34 | 47 | 20 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 11 | 11 | 11 | 0 | 0 | 0 | 0 | 0 | 11 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 2 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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