Surf Forecasts:
How big are the waves at Asakawa today (20 Jun):
- Morning surf: Morning surf (20 Jun, local time) - 1.5ft (0.4m), 10s period with SE swell.
- Afternoon surf: Afternoon surf (20 Jun, local time) - 3ft (0.9m), 6s period with SSW swell.
- Evening surf: Evening surf (20 Jun, local time) - 4.5ft (1.3m), 7s period with SSW swell.
The current surf forecast for Asakawa at 12PM is: 0.4m 10s primary swell from a Southeast direction and 0.1m 13s secondary swell from a Southeast direction, 0.5m 5s secondary swell from a South-southwest direction (forecast issued at 08:00am June 20). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Jun) | 1.5ft (0.4m) | 10s |
| Afternoon (20 Jun) | 3ft (0.9m) | 6s |
| Evening (20 Jun) | 4.5ft (1.3m) | 7s |
Table - waves today at Asakawa. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 13mm), heaviest on Mon night. Warm (max 28°C on Sun morning, min 19°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 20 | Sunday 21 | Monday 22 | Tue 23 | |||||||||||||||||||||
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 |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SE 10 | SE 10 | SE 10 | SSW 6 | SSW 6 | SSW 7 | SSW 7 | SSW 7 | SSW 8 | SW 8 | SW 8 | SSW 7 | SW 7 | SSW 7 | SSW 7 | SSW 6 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 35 | 35 | 34 | 55 | 100 | 154 | 264 | 310 | 302 | 667 | 477 | 193 | 309 | 88 | 62 | 43 | 34 | 35 | 35 | 35 | 63 | 61 | 48 | 48 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | glassy | glassy | glassy | cross | off | off | off | off | glassy | on | on | glassy | glassy | glassy | glassy |
High Tide | 9:06AM1.59m | 10:40PM1.61m | 10:10AM1.45m | 11:24PM1.57m | 11:28AM1.34m | 00:07AM1.54m | ||||||||||||||||||
Low Tide | 3:33AM0.92m | 3:50PM0.37m | 4:35AM0.87m | 4:37PM0.57m | 5:42AM0.81m | 5:29PM0.75m | ||||||||||||||||||
 | |  | | |  |  | |  | | | | |  | | | | | |  | |  | | | |
 | 4:52 | — | — | — | — | — | — | 4:52 | — | — | — | — | — | — | — | 4:52 | — | — | — | — | — | — | — | 4:52 |
 | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:15 | — | — | 7:15 |
mm | 1 | 1 | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 5 | 3 | 1 |
Temp °C | 23 | 24 | 27 | 25 | 25 | 25 | 25 | 25 | 25 | 27 | 28 | 28 | 26 | 22 | 21 | 21 | 21 | 25 | 27 | 26 | 23 | 20 | 19 | 19 |
Feels °C | 27 | 28 | 29 | 27 | 26 | 27 | 27 | 28 | 29 | 31 | 32 | 31 | 29 | 24 | 22 | 22 | 21 | 27 | 29 | 28 | 26 | 22 | 21 | 21 |
Swell 1 Height (m) Direction Period (s) | SSW 6 | S 6 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | SSW 8 | SSW 8 | SE 9 | SSW 7 | SSW 7 | SSW 7 | SSW 6 | SSW 6 | SSW 6 | S 6 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 |
| kJ | 28 | 16 | 34 | 34 | 24 | 33 | 33 | 32 | 31 | 251 | 204 | 12 | 140 | 88 | 62 | 43 | 30 | 20 | 17 | 35 | 63 | 61 | 48 | 48 |
Swell 2 Height (m) Direction Period (s) | SE 10 | SE 10 | SE 13 | S 8 | SE 12 | SE 12 | SE 12 | SE 12 | SSE 12 | SE 9 | SE 9 | SE 11 | SE 11 | SE 11 | SE 9 | SE 9 | SE 10 | SE 10 | SE 10 | SSW 6 | SW 6 | SSW 5 | SSE 11 | SW 6 |
| kJ | 35 | 35 | 7 | 1 | 6 | 6 | 6 | 6 | 13 | 31 | 30 | 19 | 18 | 18 | 29 | 31 | 34 | 35 | 35 | 11 | 9 | 10 | 25 | 5 |
Swell 3 Height (m) Direction Period (s) | SE 13 | SE 13 | S 8 | SE 12 | S 8 | — | — | E 18 | E 18 | SE 11 | SE 11 | E 18 | SE 9 | SE 9 | SE 11 | S 15 | SE 16 | SE 16 | S 13 | S 12 | S 6 | S 11 | SSW 6 | S 5 |
| kJ | 7 | 7 | 1 | 6 | 1 | — | — | 6 | 6 | 20 | 20 | 6 | 12 | 12 | 19 | 5 | 10 | 10 | 3 | 12 | 2 | 10 | 3 | 2 |
Wind waves Height (m) Direction Period (s) | — | — | SSW 5 | SSW 6 | SSW 6 | SSW 7 | SSW 7 | SSW 7 | SSW 8 | SW 8 | SW 8 | SSW 7 | SW 7 | — | NNE 5 | NNE 4 | NNE 3 | — | NE 4 | NE 4 | NE 4 | N 4 | — | WSW 3 |
| kJ | — | — | 17 | 55 | 100 | 154 | 264 | 310 | 302 | 667 | 477 | 193 | 309 | — | 4 | 3 | 1 | — | 2 | 2 | 2 | 11 | — | 2 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 30 | 369 | 339 | 339 | 369 | 19 | 19 | 2 | 0 | 0 | 0 | 19 | 0 | 0 | 0 | 0 | 1 | 22 | 19 | 0 | 0 | 0 | 1 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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