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Surf Forecasts:
Asakawa surfForecast / Shikoku / Japan
48hr Weather and Surf, issued 8 pm Friday 29 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
22.0° C
(Which is normal for this time of year)How big are the waves at Asakawa today (30 May):
- Morning surf: Morning surf (30 May, local time) - 1.5ft (0.4m), 12s period with ESE swell.
- 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 (0.4m), 11s period with ESE swell.
The current surf forecast for Asakawa at 4AM is: 0.4m 12s primary swell from a East-southeast direction and 0.4m 6s secondary swell from a South-southeast direction (forecast issued at 08:00pm May 29). An open ocean swell of 0.4m 4s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 May) | 1.5ft (0.4m) | 12s |
| Afternoon (30 May) | 1.5ft (0.4m) | 12s |
| Evening (30 May) | 1.5ft (0.4m) | 11s |
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 25°C on Sat morning, min 19°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Fri 29 | Saturday 30 | Sunday 31 | Monday 1 | |||||||||||||||||||||
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 10 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 11 | ESE 11 | S 15 | S 14 | S 13 | S 13 | S 12 | S 12 | S 12 | S 11 | S 15 | S 14 | S 14 | S 13 | S 14 | |
37 | 56 | 56 | 56 | 55 | 55 | 54 | 53 | 52 | 50 | 71 | 73 | 140 | 284 | 319 | 423 | 472 | 464 | 363 | 446 | 405 | 1227 | 848 | 1161 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | off | off | off | glassy | cross-on | on | cross-on | cross-off | cross-off | glassy | glassy | glassy | glassy | cross-on | cross-on | cross | cross | cross | glassy | on | on | on | |
High Tide | 5:25PM1.61m | 4:25AM1.66m | 6:02PM1.64m | 4:56AM1.68m | 6:39PM1.66m | 5:28AM1.69m | ||||||||||||||||||
Low Tide | 10:51PM0.92m | 11:14AM0.22m | 11:26PM0.95m | 11:48AM0.18m | 00:00AM0.97m | 12:22PM0.16m | ||||||||||||||||||
 |  | | | | | |  | |  |  | | | | |  | | | | | | | | | |
 | — | — | — | 4:54 | — | — | — | — | — | — | — | 4:52 | — | — | — | — | — | — | — | 4:52 | — | — | — | — |
 | 7:05 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:06 | — | — | — | — | — | — | 7:07 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 25 | 21 | 20 | 19 | 19 | 24 | 25 | 25 | 23 | 21 | 21 | 21 | 21 | 24 | 25 | 25 | 24 | 21 | 19 | 19 | 19 | 23 | 24 | 24 |
26 | 21 | 20 | 19 | 19 | 24 | 25 | 25 | 24 | 21 | 21 | 21 | 21 | 25 | 26 | 25 | 25 | 22 | 20 | 20 | 20 | 24 | 23 | 24 | |
Swell 1 Height (m) Direction Period (s) | SSE 6 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | 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 11 | S 11 | S 14 | S 13 | S 14 |
 kJ | 12 | 56 | 56 | 56 | 55 | 55 | 54 | 53 | 52 | 50 | 71 | 71 | 140 | 284 | 319 | 423 | 472 | 464 | 363 | 284 | 235 | 1227 | 848 | 1161 |
Swell 2 Height (m) Direction Period (s) | ESE 10 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | S 6 | S 6 | S 5 | SSW 5 | S 15 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 10 | ESE 11 | S 16 | S 15 | S 14 | ESE 10 | SSW 15 | SSW 17 |
| kJ | 37 | 12 | 12 | 11 | 11 | 6 | 6 | 6 | 5 | 5 | 3 | 73 | 84 | 85 | 85 | 74 | 33 | 50 | 236 | 446 | 405 | 19 | 581 | 749 |
Swell 3 Height (m) Direction Period (s) | SW 7 | SW 7 | SW 7 | SSW 7 | SSW 6 | SSW 6 | SW 6 | — | SE 7 | SE 7 | S 16 | SSE 9 | SE 9 | SE 12 | SSE 9 | SE 12 | SE 12 | SSW 15 | ESE 10 | SSE 4 | SSW 17 | SE 11 | ESE 11 | ESE 11 |
| kJ | 11 | 11 | 11 | 4 | 4 | 4 | 1 | — | 2 | 2 | 20 | 16 | 3 | 5 | 7 | 23 | 22 | 74 | 33 | 5 | 237 | 19 | 45 | 44 |
Wind waves Height (m) Direction Period (s) | NE 4 | NNE 3 | NNE 4 | NE 4 | NE 4 | — | — | — | — | — | SW 6 | — | — | — | — | — | — | SSW 4 | S 4 | — | — | — | — | — |
| kJ | 7 | 8 | 8 | 3 | 2 | — | — | — | — | — | 5 | — | — | — | — | — | — | 8 | 6 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1 | 0 | 0 | 0 | 0 | 1 | 385 | 22 | 14 | 1 | 0 | 0 | 0 | 0 | 0 | 11 | 11 | 2 | 2 | 2 | 0 | 11 | 19 | 385 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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