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Surf Forecasts:
Asakawa surfForecast / Shikoku / Japan
48hr Weather and Surf, issued 2 pm Friday 08 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
20.0° C
(Which is normal for this time of year)How big are the waves at Asakawa today?
The current surf forecast for Asakawa at 6PM is: 1.7m 6s primary swell from a West-southwest direction and 0.9m 6s secondary swell from a South-southwest direction, 0.8m 11s secondary swell from a East-southeast direction (forecast issued at 02:00pm May 08). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 May) | - | - |
| Afternoon (08 May) | 2.5ft (0.8m) | 10s |
| Evening (08 May) | 2.5ft (0.8m) | 11s |
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 afternoon, min 13°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Fri 8 | Saturday 9 | Sunday 10 | Mon 11 | |||||||||||||||||||||
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 | 6 AM | 9 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SE 10 | ESE 10 | WSW 6 | ESE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 10 | SE 10 | SE 10 | SE 10 | SE 11 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 | |
244 | 141 | 184 | 146 | 117 | 137 | 166 | 137 | 137 | 163 | 151 | 148 | 145 | 124 | 134 | 110 | 104 | 104 | 100 | 100 | 98 | 96 | 90 | 88 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross | cross-off | off | cross-off | cross-off | off | cross-off | cross-off | glassy | cross | cross-off | off | off | off | cross-off | cross | cross-on | glassy | glassy | glassy | cross-off | glassy | glassy | |
High Tide | 11:27PM1.40m | 9:17AM1.37m | 00:41AM1.42m | 10:57AM1.30m | 1:38AM1.48m | |||||||||||||||||||
Low Tide | 3:51PM0.49m | 4:24AM1.18m | 4:56PM0.57m | 6:19AM1.13m | 6:13PM0.62m | 7:44AM1.00m | ||||||||||||||||||
 |  |  |  | | | | | | | |  | | | | |  | | | | | | | | |
 | — | — | — | — | — | 5:07 | — | — | — | — | — | — | — | 5:05 | — | — | — | — | — | — | — | 5:05 | — | — |
 | — | — | 6:50 | — | — | — | — | — | — | — | 6:51 | — | — | — | — | — | — | — | 6:51 | — | — | — | — | 6:52 |
— | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 23 | 20 | 15 | 14 | 14 | 13 | 17 | 19 | 20 | 18 | 15 | 14 | 13 | 13 | 18 | 20 | 20 | 18 | 16 | 15 | 15 | 15 | 19 |
25 | 23 | 19 | 11 | 10 | 10 | 9 | 13 | 15 | 19 | 16 | 13 | 12 | 11 | 11 | 16 | 17 | 18 | 17 | 15 | 14 | 14 | 14 | 18 | |
Swell 1 Height (m) Direction Period (s) | SE 10 | ESE 10 | SSW 6 | ESE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 10 | SE 10 | SE 10 | SE 10 | SE 11 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 |
 kJ | 244 | 141 | 61 | 146 | 117 | 137 | 166 | 137 | 137 | 163 | 151 | 148 | 145 | 124 | 134 | 110 | 104 | 104 | 100 | 100 | 98 | 96 | 90 | 88 |
Swell 2 Height (m) Direction Period (s) | S 6 | SSE 7 | ESE 11 | SW 6 | SW 6 | SW 6 | SW 6 | SSW 6 | SW 6 | NE 3 | — | — | — | — | ESE 11 | — | — | — | NNE 3 | — | — | — | — | — |
| kJ | 30 | 25 | 143 | 38 | 17 | 8 | 5 | 4 | 1 | 2 | — | — | — | — | 75 | — | — | — | 1 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | SSE 7 | SSE 6 | SSE 7 | NE 4 | — | SW 6 | SW 6 | SW 6 | SW 6 | SW 5 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 18 | 13 | 15 | 1 | — | 5 | 5 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 5 | SW 5 | WSW 6 | — | N 5 | WSW 6 | N 3 | NNE 5 | NE 2 | N 4 | W 6 | WSW 2 | — | — | — | NNE 2 | NE 3 | NNE 3 | — | — | — | — | — | — |
| kJ | 30 | 28 | 184 | — | 35 | 31 | 5 | 4 | 1 | 6 | 1 | 1 | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 11 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 22 | 41 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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