Surf Forecasts:
How big are the waves at Asakawa today (15 Aug):
- Afternoon surf: Afternoon surf (15 Aug, local time) - 2.5ft (0.7m), 9s period with S swell.
- Evening surf: Evening surf (15 Aug, local time) - 2.5ft (0.7m), 9s period with S swell.
The current surf forecast for Asakawa at 7PM is: 0.7m 9s primary swell from a South direction and 0.4m 10s secondary swell from a Southeast direction, 0.4m 4s secondary swell from a East-southeast direction (forecast issued at 02:00pm August 15). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Aug) | - | - |
| Afternoon (15 Aug) | 2.5ft (0.7m) | 9s |
| Evening (15 Aug) | 2.5ft (0.7m) | 9s |
Table - waves today at Asakawa. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 40mm), heaviest during Sun morning. Warm (max 29°C on Sat afternoon, min 25°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Sat 15 | Sunday 16 | Monday 17 | ||||||||||||||||||
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) | S 9 | S 9 | S 9 | S 9 | S 9 | S 8 | SE 12 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | SE 5 | SE 5 | SE 5 | SE 5 | ESE 5 | ESE 5 |
Wave Graph | ||||||||||||||||||||
83 | 79 | 79 | 78 | 56 | 52 | 51 | 160 | 197 | 213 | 185 | 136 | 108 | 81 | 55 | 43 | 42 | 36 | 45 | 44 | |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | glassy | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | on | on | on | on | on |
High Tide | 7:49PM1.81m | 7:49AM1.78m | 8:14PM1.77m | 8:31AM1.66m | 8:38PM1.72m | |||||||||||||||
Low Tide | 1:48AM0.49m | 2:00PM0.39m | 2:24AM0.47m | 2:29PM0.58m | ||||||||||||||||
— | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | |
— | — | 6:49 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:46 | — | |
mm | — | — | — | 1 | 1 | 2 | 2 | 4 | 5 | 5 | 3 | 2 | 1 | 1 | 2 | 1 | 1 | 1 | 2 | 1 |
Temp °C | 29 | 29 | 27 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 27 | 28 | 28 | 27 | 26 |
Feels °C | 32 | 32 | 31 | 29 | 29 | 29 | 28 | 29 | 29 | 29 | 29 | 30 | 29 | 29 | 29 | 31 | 31 | 31 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | S 9 | S 9 | S 9 | S 9 | S 9 | S 8 | S 8 | S 8 | S 8 | S 9 | S 9 | S 8 | S 8 | S 8 | S 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 |
83 | 79 | 79 | 78 | 56 | 52 | 51 | 51 | 52 | 56 | 39 | 37 | 35 | 35 | 34 | 22 | 21 | 21 | 21 | 20 | |
Swell 2 Height (m) Direction Period (s) | E 10 | ESE 10 | SE 10 | ESE 5 | ESE 9 | ESE 9 | E 8 | SE 18 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 |
30 | 31 | 27 | 17 | 26 | 25 | 37 | 13 | 34 | 33 | 34 | 33 | 31 | 31 | 29 | 42 | 42 | 30 | 30 | 30 | |
Swell 3 Height (m) Direction Period (s) | SE 8 | SE 10 | E 9 | E 9 | SE 12 | SE 12 | SE 12 | ESE 10 | SE 12 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 |
10 | 16 | 15 | 14 | 22 | 22 | 35 | 10 | 47 | 33 | 32 | 43 | 43 | 43 | 42 | 28 | 16 | 16 | 16 | 16 | |
Wind waves Height (m) Direction Period (s) | — | — | ESE 4 | ESE 4 | ESE 5 | ESE 5 | ESE 5 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | SE 5 | SE 5 | SE 5 | SE 5 | ESE 5 | ESE 5 |
— | — | 6 | 26 | 25 | 22 | 37 | 160 | 197 | 213 | 185 | 136 | 108 | 81 | 55 | 43 | 36 | 36 | 45 | 44 | |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 19 | 19 | 19 | 0 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 19 | 19 | 11 | 14 | 43 | 11 | 475 | 475 | 43 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)












