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Surf Forecasts:
Asakawa surfForecast / Shikoku / Japan
48hr Weather and Surf, issued 2 pm Saturday 30 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
22.7° C
(Which is slightly warmer than usual)How big are the waves at Asakawa today (30 May):
- Afternoon surf: Afternoon surf (30 May, local time) - 1.5ft (0.4m), 12s period with ESE swell.
- Evening surf: Evening surf (30 May, local time) - 1.5ft (0.5m), 11s period with ESE swell.
The current surf forecast for Asakawa at 10PM is: 0.5m 11s primary swell from a East-southeast direction and 0.3m 6s secondary swell from a South direction (forecast issued at 02:00pm May 30). The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 May) | - | - |
| Afternoon (30 May) | 1.5ft (0.4m) | 12s |
| Evening (30 May) | 1.5ft (0.5m) | 11s |
Table - waves today at Asakawa. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 12mm), heaviest on Tue morning. Warm (max 26°C on Sun morning, min 19°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 30 | Sunday 31 | Monday 1 | Tue 2 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
ESE 12 | ESE 12 | ESE 12 | ESE 11 | ESE 11 | ESE 11 | S 14 | S 13 | S 13 | S 12 | S 12 | S 12 | S 11 | S 15 | SSW 15 | S 13 | S 14 | S 15 | S 15 | SSW 15 | SSW 14 | S 14 | S 14 | SSW 14 | |
54 | 53 | 52 | 71 | 71 | 84 | 140 | 284 | 319 | 423 | 409 | 404 | 305 | 275 | 385 | 577 | 1608 | 1879 | 2117 | 1948 | 1773 | 1807 | 1731 | 1419 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | on | glassy | cross | cross-off | glassy | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | glassy | on | on | on | on | cross-on | cross-on | glassy | glassy | cross-on | |
High Tide | 6:02PM1.64m | 4:56AM1.68m | 6:39PM1.66m | 5:28AM1.69m | 7:15PM1.65m | 6:00AM1.68m | ||||||||||||||||||
Low Tide | 11:26PM0.95m | 11:48AM0.18m | 00:00AM0.97m | 12:22PM0.16m | 00:33AM0.98m | |||||||||||||||||||
 |  | |  | | |  | | | | |  | | | | | | | | | |  |  | | |
 | — | — | — | — | — | 4:52 | — | — | — | — | — | — | — | 4:52 | — | — | — | — | — | — | — | 4:52 | — | — |
 | — | — | 7:05 | — | — | — | — | — | — | — | 7:06 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | 7:07 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 3 | |
Temp °C | 25 | 25 | 23 | 22 | 22 | 22 | 22 | 25 | 26 | 26 | 24 | 19 | 19 | 19 | 19 | 23 | 24 | 23 | 22 | 21 | 20 | 19 | 19 | 20 |
25 | 25 | 24 | 23 | 23 | 23 | 23 | 26 | 26 | 25 | 24 | 19 | 19 | 20 | 21 | 24 | 24 | 23 | 23 | 23 | 22 | 21 | 22 | 22 | |
Swell 1 Height (m) Direction Period (s) | ESE 12 | ESE 12 | ESE 12 | ESE 11 | ESE 11 | ESE 11 | S 14 | S 13 | S 13 | S 12 | S 12 | S 12 | SSE 6 | SSE 6 | S 11 | S 13 | S 14 | S 15 | S 15 | SSW 15 | SSW 14 | S 14 | S 14 | SSW 14 |
 kJ | 54 | 53 | 52 | 71 | 71 | 84 | 140 | 284 | 319 | 423 | 409 | 404 | 107 | 91 | 235 | 577 | 1608 | 1879 | 2117 | 1948 | 1773 | 1807 | 1731 | 1419 |
Swell 2 Height (m) Direction Period (s) | SSE 6 | SSE 6 | S 6 | S 6 | SSW 5 | S 15 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 10 | S 15 | S 11 | S 11 | SSW 15 | SSW 16 | ESE 10 | SSW 18 | ESE 11 | SE 5 | SE 5 | ESE 10 | ESE 10 | ESE 10 |
| kJ | 6 | 11 | 5 | 5 | 5 | 73 | 84 | 84 | 85 | 74 | 32 | 118 | 305 | 235 | 385 | 469 | 19 | 373 | 45 | 27 | 25 | 43 | 41 | 40 |
Swell 3 Height (m) Direction Period (s) | SW 6 | — | SE 7 | SE 7 | S 16 | S 5 | SE 9 | SE 12 | SSE 9 | SE 12 | SE 12 | ESE 11 | S 15 | S 15 | SSE 6 | SSE 6 | SE 11 | ESE 11 | SE 11 | ESE 10 | ESE 11 | ESE 9 | SE 11 | — |
| kJ | 1 | — | 2 | 2 | 20 | 2 | 3 | 22 | 7 | 23 | 22 | 50 | 224 | 275 | 55 | 44 | 19 | 45 | 19 | 18 | 45 | 17 | 20 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | S 3 | S 5 | — | — | — | — | — | — | SE 5 | — | — | SE 5 | SE 4 | SE 5 |
| kJ | — | — | — | — | — | — | — | — | — | — | 11 | 71 | — | — | — | — | — | — | 38 | — | — | 23 | 40 | 58 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 282 | 11 | 1 | 2 | 0 | 0 | 0 | 11 | 2 | 11 | 11 | 2 | 2 | 2 | 0 | 19 | 11 | 11 | 11 | 14 | 11 | 0 | 0 | 43 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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