Surf Forecasts:
How big are the waves at Asakawa today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 1.5ft (0.4m), 10s period with SE swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 1.5ft (0.4m), 10s period with SE swell.
- Evening surf: Evening surf (20 Aug, local time) - 2.5ft (0.8m), 9s period with S swell.
The current surf forecast for Asakawa at 2AM is: 0.4m 10s primary swell from a Southeast direction and 0.4m 7s secondary swell from a East-southeast direction (forecast issued at 08:00pm August 19). The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 1.5ft (0.4m) | 10s |
| Afternoon (20 Aug) | 1.5ft (0.4m) | 10s |
| Evening (20 Aug) | 2.5ft (0.8m) | 9s |
Table - waves today at Asakawa. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Thu afternoon. Warm (max 30°C on Thu morning, min 25°C on Wed night). Wind will be generally light. | ||||||||||||||||||
Wed 19 | Thursday 20 | Friday 21 | ||||||||||||||||
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 |  |  |  |  |  |  |  | |||||||||||
Wave Height (m) Direction Period (s) | ESE 7 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 10 | S 10 | S 9 | S 9 |
Wave Graph  | ||||||||||||||||||
 kJ | 37 | 31 | 29 | 25 | 25 | 25 | 25 | 25 | 76 | 102 | 99 | 123 | 123 | 127 | 148 | 145 | 133 | 130 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | glassy | glassy | glassy | glassy | glassy | on | on | cross-on | cross | cross | glassy | glassy | glassy | on | cross-on | cross-on | cross |
High Tide | 9:25PM1.57m | 11:17AM1.25m | 9:52PM1.48m | 2:05PM1.21m | ||||||||||||||
Low Tide | 3:19PM0.92m | 4:31AM0.59m | 3:42PM1.07m | 5:42AM0.66m | 4:07PM1.20m | |||||||||||||
 |  | | |  | | | | |  | | | |  | | | | | |
 | — | — | — | 5:26 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — |
 | 6:45 | — | — | — | — | — | — | — | 6:44 | — | — | — | — | — | — | — | 6:43 | — |
mm | 1 | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | 1 | — | — |
Temp °C | 27 | 26 | 26 | 25 | 25 | 28 | 30 | 29 | 28 | 26 | 26 | 25 | 25 | 28 | 30 | 29 | 28 | 26 |
Feels °C | 32 | 31 | 31 | 30 | 30 | 33 | 34 | 33 | 33 | 30 | 31 | 29 | 29 | 33 | 34 | 33 | 33 | 30 |
Swell 1 Height (m) Direction Period (s) | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | SE 10 | SE 10 | S 8 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 10 | S 10 | S 9 | S 9 |
| kJ | 37 | 31 | 29 | 19 | 18 | 25 | 25 | 21 | 76 | 102 | 99 | 123 | 123 | 127 | 148 | 145 | 133 | 130 |
Swell 2 Height (m) Direction Period (s) | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 7 | S 8 | SE 10 | SE 10 | SE 10 | SE 10 | SE 11 | ESE 11 | SE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 11 |
| kJ | 26 | 25 | 25 | 25 | 25 | 11 | 22 | 25 | 26 | 27 | 28 | 29 | 44 | 29 | 44 | 44 | 44 | 44 |
Swell 3 Height (m) Direction Period (s) | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | S 8 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 6 | ESE 6 | ESE 6 | ESE 6 |
| kJ | 12 | 12 | 6 | 6 | 13 | 12 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 4 | 4 | 4 | 3 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 11 | 0 | 1 | 2 | 1 | 6 | 385 | 30 | 11 | 2 | 2 | 0 | 0 | 0 | 11 | 11 | 11 | 2 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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