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Surf Forecasts:
Asakawa surfForecast / Shikoku / Japan
48hr Weather and Surf, issued 2 am Monday 01 Jun 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
22.5° C
(Which is normal for this time of year)How big are the waves at Asakawa today (01 Jun):
- Morning surf: Morning surf (01 Jun, local time) - 4.5ft (1.3m), 13s period with S swell.
- Afternoon surf: Afternoon surf (01 Jun, local time) - 5.5ft (1.7m), 14s period with S swell.
- Evening surf: Evening surf (01 Jun, local time) - 6.5ft (2.0m), 14s period with S swell.
The current surf forecast for Asakawa at 6AM is: 1.1m 14s primary swell from a South direction and 1.0m 6s secondary swell from a South-southeast direction (forecast issued at 02:00am June 01). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 Jun) | 4.5ft (1.3m) | 13s |
| Afternoon (01 Jun) | 5.5ft (1.7m) | 14s |
| Evening (01 Jun) | 6.5ft (2.0m) | 14s |
Table - waves today at Asakawa. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 272mm), heaviest during Tue night. Warm (max 27°C on Wed afternoon, min 20°C on Tue night). Mainly near gales. | ||||||||||||||||||||||||
Monday 1 | Tuesday 2 | Wednesday 3 | ||||||||||||||||||||||
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 | 6 PM | 9 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
S 11 | S 14 | S 14 | S 13 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | SSW 13 | SSW 13 | SSW 13 | SSW 14 | SE 8 | ESE 9 | SE 11 | SSW 14 | SSW 14 | SSW 13 | SSW 12 | ESE 10 | SSW 10 | |
305 | 264 | 474 | 569 | 1161 | 1081 | 947 | 1594 | 1779 | 1875 | 1533 | 983 | 838 | 825 | 1038 | 1756 | 3070 | 6939 | 9095 | 5664 | 2682 | 934 | 291 | 227 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | glassy | on | on | on | cross-on | glassy | cross-on | glassy | on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | off | off | off | glassy | glassy | off | |
High Tide | 5:28AM1.69m | 7:15PM1.65m | 6:00AM1.68m | 7:51PM1.62m | 6:34AM1.67m | 8:29PM1.59m | ||||||||||||||||||
Low Tide | 00:00AM0.97m | 12:22PM0.16m | 00:33AM0.98m | 12:57PM0.18m | 1:07AM1.00m | 1:32PM0.21m | ||||||||||||||||||
 | |  |  | | |  |  |  | |  |  | | | |  | | | |  | | | |  | |
 | — | 4:52 | — | — | — | — | — | — | — | 4:52 | — | — | — | — | — | — | — | 4:52 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — |
— | — | — | — | — | — | — | — | 1 | 2 | 4 | 11 | 21 | 24 | 24 | 39 | 66 | 62 | 14 | 4 | — | — | — | — | |
Temp °C | 21 | 20 | 21 | 23 | 24 | 23 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 21 | 21 | 20 | 21 | 22 | 25 | 27 | 26 | 22 |
22 | 22 | 23 | 24 | 25 | 24 | 23 | 23 | 23 | 24 | 24 | 21 | 22 | 22 | 21 | 19 | 18 | 15 | 14 | 17 | 24 | 30 | 30 | 24 | |
Swell 1 Height (m) Direction Period (s) | S 11 | SSE 7 | S 14 | S 13 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | SSW 13 | SSW 13 | SSW 13 | SSW 14 | SSW 14 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 13 | SE 10 | ESE 10 | SSE 9 |
 kJ | 305 | 149 | 474 | 569 | 1161 | 1081 | 947 | 1594 | 1779 | 1875 | 1533 | 983 | 838 | 825 | 1038 | 1484 | 2843 | 6939 | 9095 | 5664 | 2682 | 738 | 290 | 193 |
Swell 2 Height (m) Direction Period (s) | S 15 | S 11 | SSE 6 | SSW 16 | ESE 10 | SE 5 | SSW 17 | ESE 11 | ESE 11 | ESE 10 | ESE 10 | — | — | — | E 16 | — | — | SSE 12 | SE 11 | SE 11 | SE 11 | SSW 12 | S 10 | SSW 10 |
| kJ | 224 | 235 | 82 | 346 | 19 | 12 | 386 | 45 | 45 | 42 | 41 | — | — | — | 5 | — | — | 380 | 5296 | 2679 | 1547 | 934 | 284 | 227 |
Swell 3 Height (m) Direction Period (s) | ESE 10 | S 14 | S 11 | SSE 6 | SE 11 | ESE 10 | SE 4 | ESE 11 | ESE 10 | ESE 10 | — | — | — | — | — | — | — | — | — | — | — | NNE 7 | SSW 11 | ESE 10 |
| kJ | 20 | 264 | 235 | 43 | 19 | 19 | 13 | 46 | 19 | 18 | — | — | — | — | — | — | — | — | — | — | — | 180 | 291 | 102 |
Wind waves Height (m) Direction Period (s) | SSE 7 | — | — | — | SE 5 | — | SE 5 | — | — | — | — | SE 6 | SE 6 | SE 7 | SE 7 | SE 8 | ESE 9 | SE 11 | NNE 6 | N 6 | NNE 7 | NE 7 | NE 6 | NNE 4 |
| kJ | 166 | — | — | — | 20 | — | 30 | — | — | — | — | 181 | 363 | 471 | 795 | 1756 | 3070 | 6873 | 217 | 216 | 163 | 44 | 8 | 10 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 11 | 11 | 0 | 11 | 19 | 19 | 6 | 0 | 11 | 0 | 19 | 369 | 369 | 581 | 369 | 475 | 473 | 285 | 285 | 57 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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