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Surf Forecasts:
Asakawa surfForecast / Shikoku / Japan
48hr Weather and Surf, issued 8 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) - 7ft (2.1m), 14s period with S swell.
The current surf forecast for Asakawa at 11AM is: 1.6m 13s primary swell from a South direction and 0.3m 10s secondary swell from a East-southeast direction, 0.7m 5s secondary swell from a South-southeast direction (forecast issued at 08:00am June 01). The wind direction is predicted to be onshore.
| 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) | 7ft (2.1m) | 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 259mm), heaviest during Tue night. Warm (max 26°C on Wed afternoon, min 19°C on Wed night). Winds increasing (calm on Mon night, strong winds from the N by Tue night). | ||||||||||||||||||||||||
Monday 1 | Tuesday 2 | Wednesday 3 | Thu 4 | |||||||||||||||||||||
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 | 12 AM | 3 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 14 | S 13 | S 14 | S 14 | S 14 | S 14 | SSW 14 | S 14 | S 13 | SSW 13 | SSW 13 | SSW 14 | SSW 14 | ESE 9 | SSW 16 | SSW 15 | S 15 | S 14 | SSW 12 | SE 10 | SE 10 | SSW 10 | S 9 | SSW 9 | |
474 | 569 | 1161 | 1081 | 947 | 1754 | 1526 | 1710 | 1543 | 1110 | 1058 | 1206 | 1484 | 2349 | 3994 | 10351 | 12606 | 5946 | 2346 | 828 | 458 | 223 | 320 | 116 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | on | on | on | on | glassy | cross-on | on | on | cross-on | cross-on | cross-on | cross | cross | cross-off | cross-off | off | off | cross-off | off | off | off | cross-off | off | |
High Tide | 5:28AM1.69m | 7:15PM1.65m | 6:00AM1.68m | 7:51PM1.62m | 6:34AM1.67m | 8:29PM1.59m | ||||||||||||||||||
Low Tide | 12:22PM0.16m | 00:33AM0.98m | 12:57PM0.18m | 1:07AM1.00m | 1:32PM0.21m | 1:43AM1.02m | ||||||||||||||||||
 |  | | |  |  |  | |  |  |  | | |  | | | | | | | |  | |  | |
 | 4:52 | — | — | — | — | — | — | 4:52 | — | — | — | — | — | — | — | 4:52 | — | — | — | — | — | — | — | 4:52 |
 | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | 7:07 |
— | — | — | — | — | — | 1 | 4 | 5 | 8 | 15 | 16 | 32 | 51 | 67 | 49 | 8 | 3 | — | — | — | — | — | — | |
Temp °C | 21 | 23 | 24 | 23 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 21 | 20 | 21 | 23 | 25 | 26 | 24 | 21 | 20 | 19 |
24 | 24 | 24 | 24 | 23 | 24 | 24 | 24 | 23 | 21 | 22 | 22 | 20 | 18 | 17 | 14 | 14 | 22 | 26 | 26 | 24 | 21 | 20 | 19 | |
Swell 1 Height (m) Direction Period (s) | S 14 | S 13 | S 14 | S 14 | S 14 | S 14 | SSW 14 | S 14 | S 13 | SSW 13 | SSW 13 | SSW 14 | SSW 14 | SSW 15 | SSW 16 | ESE 11 | S 15 | S 14 | SSW 12 | SE 10 | SE 10 | SSE 9 | S 9 | SSE 8 |
 kJ | 474 | 569 | 1161 | 1081 | 947 | 1754 | 1526 | 1710 | 1543 | 1110 | 1058 | 1206 | 1484 | 2090 | 3637 | 6416 | 12606 | 5946 | 2346 | 804 | 432 | 203 | 320 | 101 |
Swell 2 Height (m) Direction Period (s) | SSE 6 | SSW 16 | ESE 10 | SE 5 | SSW 17 | ESE 11 | ESE 11 | ESE 10 | ESE 10 | — | — | — | — | — | — | SSW 15 | SE 11 | SE 11 | SE 11 | SSW 11 | SSW 10 | SSW 10 | E 10 | SSW 9 |
| kJ | 82 | 346 | 19 | 15 | 386 | 45 | 45 | 42 | 41 | — | — | — | — | — | — | 10351 | 4604 | 2211 | 1473 | 828 | 458 | 223 | 50 | 116 |
Swell 3 Height (m) Direction Period (s) | S 11 | SSE 6 | SE 11 | ESE 10 | SE 5 | ESE 11 | ESE 10 | ESE 10 | SE 10 | — | — | — | — | — | — | — | — | — | NNE 7 | NE 6 | E 10 | ESE 9 | NNE 4 | ESE 10 |
| kJ | 235 | 43 | 19 | 19 | 22 | 46 | 19 | 18 | 17 | — | — | — | — | — | — | — | — | — | 84 | 11 | 221 | 98 | 2 | 32 |
Wind waves Height (m) Direction Period (s) | — | — | SSE 5 | — | SE 5 | — | SE 5 | — | ESE 10 | SE 6 | SE 6 | SE 7 | ESE 8 | ESE 9 | ESE 10 | NNE 6 | NNE 6 | NNE 7 | WNW 4 | — | NNE 6 | NNE 6 | NNE 3 | N 2 |
| kJ | — | — | 23 | — | 42 | — | 38 | — | 9 | 136 | 349 | 509 | 1093 | 2349 | 3994 | 101 | 368 | 410 | 25 | — | 6 | 17 | 2 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 19 | 19 | 19 | 6 | 0 | 6 | 19 | 19 | 369 | 369 | 369 | 435 | 473 | 581 | 303 | 285 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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