Surf Forecasts:
How big are the waves at Asakawa today (17 Aug):
- Morning surf: Morning surf (17 Aug, local time) - 3ft (0.9m), 5s period with SE swell.
- 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) - 2.5ft (0.7m), 9s period with SE swell.
The current surf forecast for Asakawa at 6AM is: 0.9m 6s primary swell from a Southeast direction and 0.5m 8s secondary swell from a South direction, 0.4m 9s secondary swell from a East-southeast direction (forecast issued at 02:00am August 17). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Aug) | 3ft (0.9m) | 5s |
| Afternoon (17 Aug) | 2.5ft (0.8m) | 5s |
| Evening (17 Aug) | 2.5ft (0.7m) | 9s |
Table - waves today at Asakawa. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 8mm), mostly falling on Mon night. Warm (max 29°C on Mon afternoon, min 25°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 17 | Tuesday 18 | Wednesday 19 | ||||||||||||||||||||||
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 |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SE 6 | SE 6 | SE 6 | SE 5 | SE 11 | SE 11 | SE 11 | SE 9 | SE 9 | SE 11 | ESE 8 | SE 11 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | ESE 8 | ESE 8 | SE 10 | SE 10 | ESE 5 | ESE 5 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 98 | 72 | 50 | 47 | 42 | 30 | 30 | 83 | 79 | 30 | 24 | 29 | 28 | 28 | 27 | 27 | 27 | 26 | 84 | 71 | 34 | 27 | 34 | 34 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross-on | on | on | on | on | on | glassy | glassy | glassy | on | on | on | on | on | cross-on | cross-on | glassy | cross-on | on | on | on | on |
High Tide | 8:31AM1.66m | 8:38PM1.72m | 9:14AM1.51m | 9:01PM1.65m | 10:05AM1.37m | |||||||||||||||||||
Low Tide | 2:24AM0.47m | 2:29PM0.58m | 3:02AM0.48m | 2:55PM0.76m | 3:42AM0.53m | 3:19PM0.92m | ||||||||||||||||||
 |  |  |  | |  | | |  | | | |  | | | |  | | | | | | | | |
 | — | 5:24 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — |
mm | 2 | — | — | 1 | 1 | — | — | — | 1 | 2 | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 25 | 26 | 28 | 29 | 27 | 26 | 25 | 26 | 26 | 27 | 28 | 28 | 27 | 26 | 26 | 26 | 25 | 27 | 28 | 28 | 27 | 26 |
Feels °C | 30 | 30 | 29 | 30 | 30 | 32 | 31 | 31 | 29 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 30 | 31 | 31 | 32 | 32 | 31 |
Swell 1 Height (m) Direction Period (s) | S 8 | SE 6 | S 8 | SSW 8 | SSW 8 | SE 5 | SE 5 | SE 9 | SE 9 | SSW 8 | SE 5 | SE 11 | ESE 9 | SE 5 | SE 5 | SE 5 | SE 5 | SE 5 | SE 10 | ESE 8 | ESE 8 | ESE 8 | ESE 5 | ESE 5 |
| kJ | 35 | 72 | 34 | 22 | 21 | 30 | 25 | 83 | 79 | 19 | 17 | 29 | 25 | 23 | 24 | 23 | 23 | 23 | 26 | 71 | 34 | 19 | 34 | 34 |
Swell 2 Height (m) Direction Period (s) | ESE 10 | S 8 | ESE 9 | SE 11 | SE 11 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SE 11 | ESE 8 | SSW 8 | SE 10 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | SSW 8 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 |
| kJ | 31 | 34 | 29 | 42 | 42 | 21 | 21 | 20 | 20 | 30 | 24 | 11 | 28 | 22 | 22 | 22 | 23 | 22 | 11 | 26 | 26 | 26 | 26 | 25 |
Swell 3 Height (m) Direction Period (s) | SE 11 | ESE 10 | SE 11 | ESE 9 | ESE 9 | SE 11 | SE 11 | SE 11 | SE 11 | ESE 9 | SSW 8 | — | SSW 8 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SW 9 | SSW 8 | SSW 8 | SSW 8 | ESE 8 | ESE 8 |
| kJ | 43 | 31 | 42 | 28 | 28 | 30 | 30 | 30 | 30 | 15 | 19 | — | 11 | 28 | 27 | 27 | 27 | 26 | 3 | 11 | 12 | 11 | 11 | 11 |
Wind waves Height (m) Direction Period (s) | SE 6 | — | SE 6 | SE 5 | SE 5 | — | SE 4 | SE 5 | SE 4 | SE 4 | — | SE 4 | SE 5 | — | — | — | — | — | ESE 8 | — | ESE 4 | SE 5 | — | — |
| kJ | 98 | — | 50 | 47 | 37 | — | 16 | 25 | 21 | 21 | — | 21 | 22 | — | — | — | — | — | 84 | — | 13 | 27 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 19 | 19 | 11 | 43 | 475 | 475 | 475 | 11 | 0 | 0 | 1 | 43 | 385 | 522 | 11 | 11 | 14 | 14 | 0 | 19 | 369 | 11 | 11 | 14 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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