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Surf Forecasts:
Asakawa surfForecast / Shikoku / Japan
48hr Weather and Surf, issued 2 am Thursday 14 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
19.7° C
(Which is slightly cooler than normal)How big are the waves at Asakawa today?
The current surf forecast for Asakawa at 6AM is: 0.9m 10s primary swell from a East-southeast direction and 0.2m 8s secondary swell from a South direction (forecast issued at 02:00am May 14). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 May) | 3ft (0.9m) | 10s |
| Afternoon (14 May) | 3ft (0.9m) | 10s |
| Evening (14 May) | 2.5ft (0.7m) | 9s |
Table - waves today at Asakawa. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 3mm), mostly falling on Thu morning. Warm (max 24°C on Thu afternoon, min 16°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 14 | Friday 15 | Saturday 16 | ||||||||||||||||||||||
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 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 10 | E 9 | ESE 10 | ESE 9 | ESE 9 | ESE 10 | ESE 7 | ESE 8 | ESE 8 | E 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | |
161 | 161 | 159 | 166 | 137 | 140 | 137 | 86 | 67 | 57 | 65 | 98 | 69 | 71 | 188 | 257 | 313 | 403 | 202 | 185 | 153 | 149 | 359 | 506 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | cross-off | cross-off | cross-off | glassy | cross-off | off | off | cross-off | cross-off | cross-on | cross-on | on | cross-on | cross-on | glassy | glassy | cross | cross | cross-on | glassy | cross-off | |
High Tide | 3:29AM1.70m | 4:22PM1.67m | 4:02AM1.77m | 5:13PM1.78m | 4:37AM1.83m | 6:02PM1.84m | ||||||||||||||||||
Low Tide | 9:20PM0.66m | 9:58AM0.38m | 10:08PM0.69m | 10:37AM0.17m | 10:53PM0.75m | 11:19AM0.01m | ||||||||||||||||||
 | |  | |  | | | | | | | | | |  |  | | | | | | | | | |
 | — | 5:03 | — | — | — | — | — | — | — | 5:01 | — | — | — | — | — | — | — | 5:01 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:53 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:55 | — |
— | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 18 | 17 | 17 | 22 | 23 | 24 | 22 | 18 | 17 | 16 | 16 | 21 | 22 | 21 | 19 | 18 | 18 | 17 | 17 | 21 | 22 | 23 | 21 | 18 |
18 | 16 | 16 | 21 | 21 | 22 | 23 | 16 | 15 | 14 | 14 | 19 | 21 | 20 | 19 | 18 | 19 | 19 | 17 | 20 | 21 | 22 | 22 | 18 | |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 10 | E 9 | ESE 10 | ESE 9 | ESE 9 | ESE 10 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 9 |
 kJ | 161 | 161 | 159 | 166 | 137 | 140 | 137 | 86 | 67 | 57 | 65 | 98 | 69 | 71 | 188 | 257 | 313 | 268 | 202 | 185 | 153 | 149 | 192 | 297 |
Swell 2 Height (m) Direction Period (s) | S 7 | S 7 | S 8 | S 7 | S 7 | S 7 | NE 3 | SE 10 | E 10 | ESE 10 | E 9 | SE 12 | ESE 6 | SE 11 | SSE 11 | SE 11 | SSE 11 | SSE 11 | SE 11 | SE 11 | SE 11 | SSE 11 | SE 15 | — |
| kJ | 1 | 1 | 4 | 4 | 4 | 4 | 2 | 26 | 47 | 38 | 42 | 21 | 12 | 20 | 12 | 5 | 12 | 12 | 19 | 18 | 19 | 12 | 9 | — |
Swell 3 Height (m) Direction Period (s) | S 9 | S 9 | — | — | — | — | S 7 | S 7 | S 7 | SE 11 | SE 11 | S 7 | SE 11 | — | S 7 | SE 16 | SE 16 | SE 16 | SE 15 | SE 15 | SE 15 | SE 15 | — | — |
| kJ | 1 | 1 | — | — | — | — | 4 | 1 | 4 | 20 | 20 | 4 | 20 | — | 1 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | N 3 | NE 3 | NE 3 | NE 3 | NNE 3 | NNE 3 | NNE 4 | NNE 4 | NE 3 | NE 4 | NE 4 | ESE 6 | — | — | — | E 8 | — | — | — | — | ESE 8 | ESE 9 |
| kJ | — | — | 4 | 2 | 5 | 4 | 2 | 1 | 5 | 6 | 5 | 8 | 4 | 62 | — | — | — | 403 | — | — | — | — | 359 | 506 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2365 | 43 | 19 | 19 | 1 | 0 | 0 | 22 | 41 | 41 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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