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Surf Forecasts:
Asakawa surfForecast / Shikoku / Japan
48hr Weather and Surf, issued 8 pm Tuesday 26 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
21.7° C
(Which is normal for this time of year)How big are the waves at Asakawa today?
The current surf forecast for Asakawa at 1AM is: 1.0m 6s primary swell from a East-southeast direction and 0.5m 8s secondary swell from a East direction, 0.4m 10s secondary swell from a Southeast direction (forecast issued at 08:00pm May 26). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 May) | 3ft (0.9m) | 5s |
| Afternoon (27 May) | 5ft (1.5m) | 5s |
| Evening (27 May) | 7ft (2.2m) | 7s |
Table - waves today at Asakawa. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 66mm), heaviest during Wed afternoon. Warm (max 27°C on Fri morning, min 20°C on Wed afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Tue 26 | Wednesday 27 | Thursday 28 | Friday 29 | |||||||||||||||||||||
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 | 12 PM | 3 PM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
ESE 6 | ESE 6 | ESE 6 | ESE 5 | ESE 5 | ESE 5 | SE 5 | ESE 5 | ESE 6 | ESE 7 | ESE 7 | ESE 6 | ESE 6 | SSW 7 | SSW 7 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | SSW 7 | SSW 7 | ESE 10 | |
104 | 90 | 65 | 51 | 56 | 42 | 57 | 116 | 293 | 453 | 290 | 144 | 90 | 86 | 82 | 77 | 74 | 74 | 74 | 72 | 72 | 36 | 37 | 38 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | |
High Tide | 2:50AM1.59m | 3:57PM1.47m | 3:23AM1.62m | 4:44PM1.55m | 3:54AM1.64m | |||||||||||||||||||
Low Tide | 8:40PM0.81m | 9:32AM0.52m | 9:30PM0.86m | 10:08AM0.40m | 10:12PM0.90m | 10:41AM0.30m | ||||||||||||||||||
 |  |  | |  | |  | |  |  |  | |  |  | | | |  | |  |  | | | | |
 | — | — | — | 4:54 | — | — | — | — | — | — | — | 4:54 | — | — | — | — | — | — | — | 4:54 | — | — | — | — |
 | 7:02 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:04 | — | — | — | — | — | — | 7:05 |
1 | 2 | 1 | 1 | 1 | 5 | 14 | 16 | 6 | 11 | 6 | 2 | — | — | — | — | — | — | — | — | — | — | — | 1 | |
Temp °C | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 21 | 21 | 21 | 21 | 22 | 24 | 24 | 24 | 23 | 23 | 23 | 22 | 22 | 25 | 27 | 27 |
23 | 23 | 22 | 23 | 22 | 22 | 22 | 20 | 21 | 22 | 22 | 22 | 24 | 28 | 27 | 28 | 27 | 27 | 27 | 25 | 25 | 28 | 30 | 29 | |
Swell 1 Height (m) Direction Period (s) | ESE 8 | ESE 8 | ESE 8 | E 8 | SE 10 | E 8 | ESE 8 | ESE 14 | ESE 14 | SSW 7 | ESE 7 | ESE 6 | ESE 6 | SSW 7 | SSW 7 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | SSW 7 | SSW 7 | SW 7 |
 kJ | 14 | 23 | 21 | 33 | 26 | 33 | 22 | 20 | 19 | 26 | 290 | 144 | 90 | 86 | 82 | 77 | 74 | 74 | 74 | 72 | 72 | 31 | 31 | 22 |
Swell 2 Height (m) Direction Period (s) | SE 10 | SE 10 | SE 10 | SE 10 | SE 15 | SE 10 | SE 10 | — | — | SSE 10 | SSW 7 | S 6 | SSW 7 | ESE 7 | ESE 6 | ESE 7 | ESE 7 | ESE 10 | ESE 9 | ESE 9 | ESE 10 | SSE 6 | SSE 6 | SSE 6 |
| kJ | 26 | 27 | 24 | 26 | 8 | 26 | 26 | — | — | 11 | 30 | 48 | 84 | 76 | 37 | 25 | 19 | 35 | 50 | 50 | 36 | 30 | 22 | 22 |
Swell 3 Height (m) Direction Period (s) | SE 15 | SE 15 | SE 15 | SE 15 | SE 11 | ESE 15 | ESE 14 | — | — | ESE 14 | S 6 | SW 7 | ESE 10 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 7 | ESE 13 | ESE 13 | ESE 13 | ESE 10 | ESE 10 | ESE 10 |
| kJ | 9 | 9 | 9 | 9 | 5 | 21 | 21 | — | — | 19 | 27 | 38 | 19 | 17 | 17 | 38 | 37 | 20 | 17 | 17 | 17 | 36 | 37 | 38 |
Wind waves Height (m) Direction Period (s) | ESE 6 | ESE 6 | ESE 6 | ESE 5 | ESE 5 | ESE 5 | SE 5 | ESE 5 | ESE 6 | ESE 7 | — | — | NNE 3 | NNE 3 | — | — | — | — | — | — | — | — | NNE 2 | NE 4 |
| kJ | 104 | 90 | 65 | 51 | 56 | 42 | 57 | 116 | 293 | 453 | — | — | 3 | 3 | — | — | — | — | — | — | — | — | 1 | 4 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 43 | 19 | 19 | 43 | 43 | 43 | 285 | 285 | 57 | 43 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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