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Surf Forecasts:
Asakawa surfForecast / Shikoku / Japan
48hr Weather and Surf, issued 8 pm Thursday 28 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
22.2° C
(Which is normal for this time of year)How big are the waves at Asakawa today (29 May):
- Morning surf: Morning surf (29 May, local time) - 1.5ft (0.4m), 10s period with ESE swell.
- Afternoon surf: Afternoon surf (29 May, local time) - 1.5ft (0.4m), 10s period with ESE swell.
- Evening surf: Evening surf (29 May, local time) - 1.5ft (0.4m), 12s period with ESE swell.
The current surf forecast for Asakawa at 4AM is: 0.8m 6s primary swell from a South direction and 0.4m 10s secondary swell from a East-southeast direction (forecast issued at 08:00pm May 28). The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 May) | 1.5ft (0.4m) | 10s |
| Afternoon (29 May) | 1.5ft (0.4m) | 10s |
| Evening (29 May) | 1.5ft (0.4m) | 12s |
Table - waves today at Asakawa. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 26°C on Fri morning, min 18°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 28 | Friday 29 | Saturday 30 | Sunday 31 | |||||||||||||||||||||
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 |   |    |    |    | ||||||||||||||||||||
SSW 7 | SSE 6 | ESE 9 | S 6 | SSE 6 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 11 | ESE 11 | ESE 11 | S 16 | S 14 | S 14 | S 13 | S 13 | |
43 | 44 | 50 | 52 | 36 | 36 | 37 | 38 | 37 | 56 | 56 | 56 | 55 | 54 | 78 | 77 | 74 | 73 | 71 | 77 | 140 | 302 | 411 | 546 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | glassy | glassy | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross | cross-on | on | cross-on | cross-off | cross-off | off | off | glassy | cross-on | on | |
High Tide | 4:44PM1.55m | 3:54AM1.64m | 5:25PM1.61m | 4:25AM1.66m | 6:02PM1.64m | 4:56AM1.68m | ||||||||||||||||||
Low Tide | 10:12PM0.90m | 10:41AM0.30m | 10:51PM0.92m | 11:14AM0.22m | 11:26PM0.95m | 11:48AM0.18m | ||||||||||||||||||
 |  | | |  | | | | |  | | | | | | |  | |  | | | | | | |
 | — | — | — | 4:54 | — | — | — | — | — | — | — | 4:54 | — | — | — | — | — | — | — | 4:52 | — | — | — | — |
 | 7:04 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | 7:06 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 24 | 23 | 23 | 22 | 25 | 26 | 26 | 24 | 21 | 19 | 18 | 18 | 23 | 25 | 24 | 23 | 21 | 20 | 20 | 20 | 24 | 26 | 26 |
28 | 28 | 27 | 27 | 25 | 27 | 27 | 27 | 25 | 21 | 18 | 18 | 18 | 23 | 24 | 24 | 24 | 22 | 20 | 20 | 20 | 24 | 25 | 26 | |
Swell 1 Height (m) Direction Period (s) | SSW 7 | SSE 6 | SSE 6 | S 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | S 14 | S 14 | S 13 | S 13 |
 kJ | 43 | 44 | 34 | 52 | 33 | 24 | 21 | 21 | 15 | 56 | 56 | 56 | 55 | 54 | 78 | 77 | 74 | 73 | 71 | 71 | 140 | 302 | 411 | 546 |
Swell 2 Height (m) Direction Period (s) | SSE 6 | SSW 7 | SSW 7 | ESE 10 | ESE 10 | SSW 6 | SSW 7 | SSW 6 | ESE 10 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | S 6 | SSE 6 | SE 6 | S 16 | ESE 11 | ESE 10 | ESE 11 | ESE 11 |
| kJ | 30 | 19 | 19 | 35 | 36 | 23 | 18 | 17 | 37 | 12 | 12 | 11 | 11 | 6 | 6 | 6 | 6 | 6 | 8 | 77 | 84 | 62 | 73 | 74 |
Swell 3 Height (m) Direction Period (s) | ESE 7 | ESE 10 | ESE 9 | ESE 13 | SSW 7 | ESE 10 | ESE 10 | ESE 10 | SW 7 | SW 7 | SW 7 | SSW 7 | SSW 6 | SW 6 | SW 6 | ENE 3 | SE 7 | SE 9 | S 16 | S 5 | SE 9 | ESE 12 | SSE 9 | ESE 12 |
| kJ | 27 | 35 | 50 | 17 | 19 | 36 | 37 | 38 | 11 | 11 | 7 | 4 | 4 | 2 | 1 | 1 | 2 | 3 | 20 | 2 | 3 | 14 | 7 | 77 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | NNE 3 | NE 3 | NE 4 | NE 4 | NE 4 | NE 4 | NE 4 | NE 4 | NE 4 | NE 4 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 2 | 6 | 10 | 5 | 7 | 16 | 8 | 4 | 4 | 2 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 14 | 282 | 11 | 11 | 0 | 0 | 0 | 0 | 0 | 41 | 11 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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