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Surf Forecasts:
Asakawa surfForecast / Shikoku / Japan
48hr Weather and Surf, issued 8 am Wednesday 06 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
20.6° C
(Which is normal for this time of year)How big are the waves at Asakawa today?
The current surf forecast for Asakawa at 4PM is: 1.3m 5s primary swell from a East-southeast direction (forecast issued at 08:00am May 06). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 May) | 2ft (0.6m) | 10s |
| Afternoon (06 May) | 4.5ft (1.3m) | 5s |
| Evening (06 May) | 4.5ft (1.4m) | 6s |
Table - waves today at Asakawa. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 8mm), mostly falling on Wed morning. Warm (max 22°C on Fri morning, min 12°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 6 | Thursday 7 | Friday 8 | Sat 9 | |||||||||||||||||||||
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 | 12 AM | 3 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ESE 10 | ESE 10 | ESE 10 | ESE 5 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 8 | SE 8 | SE 8 | ESE 10 | ESE 10 | ESE 10 | ESE 11 | SE 11 | SE 11 | SE 11 | |
63 | 61 | 61 | 83 | 100 | 135 | 80 | 71 | 74 | 70 | 77 | 102 | 99 | 99 | 110 | 84 | 84 | 185 | 138 | 141 | 143 | 117 | 117 | 117 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | glassy | cross-off | glassy | cross-on | glassy | cross-on | cross | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | off | off | off | |
High Tide | 7:14AM1.63m | 9:20PM1.48m | 7:45AM1.56m | 10:16PM1.42m | 8:22AM1.47m | 11:27PM1.40m | ||||||||||||||||||
Low Tide | 2:18PM0.31m | 2:20AM1.08m | 3:00PM0.40m | 3:07AM1.14m | 3:51PM0.49m | |||||||||||||||||||
 |  | | | |  | | | |  | | |  |  | |  | | | | | | | | | |
 | 5:09 | — | — | — | — | — | — | 5:09 | — | — | — | — | — | — | — | 5:07 | — | — | — | — | — | — | — | 5:07 |
 | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:49 | — | — | — | — | — | — | — | 6:50 | — | — | 6:51 |
— | 1 | 2 | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | |
Temp °C | 17 | 17 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 20 | 21 | 20 | 20 | 18 | 18 | 18 | 18 | 21 | 22 | 20 | 18 | 15 | 13 | 12 |
17 | 16 | 19 | 17 | 17 | 18 | 18 | 18 | 17 | 21 | 22 | 21 | 21 | 19 | 19 | 18 | 19 | 22 | 21 | 18 | 18 | 13 | 10 | 9 | |
Swell 1 Height (m) Direction Period (s) | ESE 10 | ESE 10 | ESE 10 | — | ESE 10 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 8 | SE 8 | SE 8 | ESE 10 | ESE 10 | ESE 10 | ESE 11 | SW 6 | SE 11 | SE 11 |
 kJ | 63 | 61 | 61 | — | 54 | 96 | 80 | 71 | 74 | 63 | 77 | 102 | 99 | 99 | 110 | 84 | 84 | 185 | 138 | 141 | 143 | 58 | 117 | 117 |
Swell 2 Height (m) Direction Period (s) | — | W 7 | W 6 | — | — | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 10 | S 6 | S 6 | SSE 7 | SSE 7 | SE 11 | SW 6 | SSE 7 |
| kJ | — | 1 | 1 | — | — | 51 | 35 | 35 | 58 | 70 | 55 | 31 | 31 | 31 | 31 | 30 | 53 | 12 | 20 | 41 | 37 | 117 | 18 | 15 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 6 | S 6 | S 6 | — | SSE 7 | — | — | SSE 7 | S 7 | SW 6 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 7 | 3 | 7 | — | 10 | — | — | 30 | 24 | 12 |
Wind waves Height (m) Direction Period (s) | SE 4 | SE 4 | ESE 5 | ESE 5 | ESE 6 | ESE 6 | — | — | — | NNE 2 | — | — | — | — | — | — | — | SSW 6 | SSW 6 | SSW 6 | SSW 6 | W 6 | — | NE 4 |
| kJ | 11 | 16 | 39 | 83 | 100 | 135 | — | — | — | 1 | — | — | — | — | — | — | — | 48 | 50 | 103 | 118 | 60 | — | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 64 | 14 | 43 | 43 | 19 | 0 | 0 | 0 | 0 | 41 | 0 | 11 | 2 | 0 | 0 | 0 | 2 | 2 | 11 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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