Surf Forecasts:
How big are the waves at Asakawa today (17 Aug):
- Afternoon surf: Afternoon surf (17 Aug, local time) - 2.5ft (0.8m), 5s period with SE swell.
- Evening surf: Evening surf (17 Aug, local time) - 1.5ft (0.4m), 11s period with SE swell.
The current surf forecast for Asakawa at 7PM is: 0.4m 11s primary swell from a Southeast direction and 0.8m 5s secondary swell from a Southeast direction, 0.4m 8s secondary swell from a South-southwest direction (forecast issued at 02:00pm August 17). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Aug) | - | - |
| Afternoon (17 Aug) | 2.5ft (0.8m) | 5s |
| Evening (17 Aug) | 1.5ft (0.4m) | 11s |
Table - waves today at Asakawa. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 12mm), heaviest on Tue morning. Warm (max 29°C on Mon afternoon, min 25°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Mon 17 | Tuesday 18 | Wednesday 19 | ||||||||||||||||||
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 |  |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | ESE 5 | SE 5 | SE 5 | SE 5 | SE 10 | SE 10 | SE 10 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | SE 10 | SE 10 |
Wave Graph  | ||||||||||||||||||||
 kJ | 42 | 30 | 30 | 30 | 30 | 30 | 30 | 42 | 60 | 38 | 30 | 30 | 27 | 26 | 58 | 56 | 54 | 51 | 26 | 25 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | glassy | glassy | glassy | glassy | on | on | on | on | on | glassy | glassy | glassy | on | on | on | on | glassy |
High Tide | 8:38PM1.72m | 9:14AM1.51m | 9:01PM1.65m | 10:05AM1.37m | ||||||||||||||||
Low Tide | 2:29PM0.58m | 3:02AM0.48m | 2:55PM0.76m | 3:42AM0.53m | 3:19PM0.92m | |||||||||||||||
 | |  |  |  | | |  | | |  | |  | | | | | | | | |
 | — | — | — | — | — | 5:26 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — |
 | — | — | 6:46 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — |
mm | 1 | 1 | — | — | 1 | 1 | 1 | 1 | 2 | 1 | — | — | — | — | 1 | 1 | 1 | — | — | — |
Temp °C | 28 | 29 | 27 | 25 | 25 | 26 | 25 | 26 | 27 | 28 | 27 | 26 | 26 | 26 | 25 | 27 | 28 | 28 | 27 | 26 |
Feels °C | 31 | 32 | 31 | 29 | 29 | 31 | 30 | 30 | 31 | 32 | 31 | 31 | 31 | 31 | 30 | 31 | 32 | 32 | 31 | 31 |
Swell 1 Height (m) Direction Period (s) | SSW 8 | SE 5 | SE 5 | SE 5 | SSW 8 | SSW 8 | SSW 8 | SE 11 | SE 10 | SE 5 | SE 5 | ESE 8 | SE 10 | SE 5 | ESE 8 | SE 10 | SE 10 | SE 10 | ESE 7 | SE 5 |
| kJ | 21 | 30 | 29 | 24 | 20 | 19 | 11 | 29 | 28 | 38 | 30 | 22 | 27 | 18 | 58 | 26 | 26 | 26 | 18 | 17 |
Swell 2 Height (m) Direction Period (s) | SE 11 | SSW 8 | SSW 8 | SSW 8 | SE 11 | SE 11 | SE 11 | SSW 8 | SSW 8 | SE 10 | SE 10 | SE 10 | ESE 8 | ESE 8 | SE 10 | SSW 8 | SSW 8 | SSW 8 | SE 10 | SE 10 |
| kJ | 42 | 21 | 21 | 20 | 30 | 30 | 30 | 11 | 11 | 28 | 27 | 27 | 22 | 22 | 26 | 11 | 12 | 11 | 26 | 25 |
Swell 3 Height (m) Direction Period (s) | ESE 9 | SE 11 | SE 11 | SE 11 | E 9 | ESE 9 | ESE 8 | E 8 | E 9 | SSW 8 | ESE 8 | SSW 8 | SSW 8 | SE 10 | SSW 8 | S 9 | SW 9 | SW 9 | SSW 8 | ESE 7 |
| kJ | 16 | 30 | 30 | 30 | 14 | 15 | 14 | 12 | 6 | 11 | 13 | 11 | 12 | 26 | 11 | 1 | 3 | 3 | 6 | 10 |
Wind waves Height (m) Direction Period (s) | SE 5 | — | — | — | SE 5 | ESE 5 | ESE 5 | ESE 5 | SE 5 | — | — | SE 5 | SE 5 | — | — | ESE 8 | ESE 8 | ESE 8 | ESE 5 | — |
| kJ | 37 | — | — | — | 22 | 29 | 29 | 42 | 60 | — | — | 30 | 23 | — | — | 56 | 54 | 51 | 14 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 475 | 475 | 475 | 0 | 0 | 0 | 0 | 19 | 369 | 385 | 385 | 14 | 0 | 1 | 0 | 19 | 19 | 11 | 385 | 6 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
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