Surf Forecasts:
How big are the waves at Asakawa today (22 Aug):
- Morning surf: Morning surf (22 Aug, local time) - 2.5ft (0.8m), 9s period with SSW swell.
- Afternoon surf: Afternoon surf (22 Aug, local time) - 2.5ft (0.7m), 9s period with SSW swell.
- Evening surf: Evening surf (22 Aug, local time) - 2ft (0.6m), 8s period with SSW swell.
The current surf forecast for Asakawa at 5AM is: 0.8m 9s primary swell from a South-southwest direction and 0.4m 11s secondary swell from a Southeast direction, 0.3m 2s secondary swell from a Southwest direction (forecast issued at 02:00am August 22). The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Aug) | 2.5ft (0.8m) | 9s |
| Afternoon (22 Aug) | 2.5ft (0.7m) | 9s |
| Evening (22 Aug) | 2ft (0.6m) | 8s |
Table - waves today at Asakawa. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Sat afternoon. Warm (max 31°C on Sat morning, min 25°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 22 | Sunday 23 | Monday 24 | ||||||||||||||||||||||
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) | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | S 8 | SE 13 | SE 13 | SE 12 | SE 12 | SE 13 | SE 13 | SE 19 | SE 17 | SE 16 | SE 17 | SE 16 |
Wave Graph | ||||||||||||||||||||||||
108 | 108 | 108 | 108 | 82 | 80 | 79 | 55 | 55 | 54 | 54 | 54 | 51 | 45 | 84 | 122 | 152 | 196 | 303 | 1241 | 2018 | 2937 | 3766 | 3021 | |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | glassy | glassy | on | cross-on | cross-on | cross | cross | cross | glassy | glassy | on | on | cross-on | cross-on | cross | cross | glassy | on | on | on | glassy | glassy |
High Tide | 10:36PM1.39m | 4:20PM1.32m | 00:36AM1.34m | 4:43PM1.42m | 2:31AM1.38m | 5:04PM1.52m | ||||||||||||||||||
Low Tide | 7:28AM0.66m | 8:19PM1.26m | 8:57AM0.58m | 9:51PM1.18m | 9:51AM0.47m | |||||||||||||||||||
— | 5:28 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | |
— | — | — | — | — | — | 6:40 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:38 | — | |
mm | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — | 1 | — | — | — | — | — | — | 1 | — | — |
Temp °C | 26 | 26 | 26 | 29 | 31 | 30 | 28 | 27 | 26 | 26 | 26 | 29 | 31 | 30 | 28 | 27 | 26 | 26 | 26 | 28 | 29 | 29 | 27 | 26 |
Feels °C | 31 | 31 | 31 | 34 | 34 | 34 | 33 | 32 | 30 | 31 | 31 | 33 | 34 | 34 | 32 | 32 | 31 | 31 | 31 | 32 | 33 | 33 | 32 | 31 |
Swell 1 Height (m) Direction Period (s) | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | S 8 | S 8 | S 8 | SE 12 | SE 12 | SE 13 | SE 13 | SE 19 | SE 17 | SE 16 | SE 17 | SE 16 |
108 | 108 | 108 | 108 | 82 | 80 | 79 | 55 | 55 | 54 | 54 | 54 | 51 | 30 | 35 | 122 | 152 | 196 | 286 | 1241 | 2018 | 2937 | 3766 | 3021 | |
Swell 2 Height (m) Direction Period (s) | SE 11 | SE 11 | SE 11 | ESE 10 | ESE 10 | SE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 11 | SE 11 | SE 13 | SE 13 | S 8 | S 8 | SW 8 | SE 19 | S 8 | S 8 | SSW 9 | SSE 21 | SSE 18 |
29 | 29 | 29 | 43 | 42 | 17 | 10 | 10 | 10 | 21 | 20 | 38 | 29 | 45 | 84 | 36 | 33 | 17 | 303 | 21 | 21 | 42 | 1060 | 2101 | |
Swell 3 Height (m) Direction Period (s) | ESE 6 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | E 10 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 13 | ESE 6 | SE 13 | ESE 11 | SW 8 | SSW 8 | SSW 9 | S 8 | S 8 | SW 9 | SW 9 | SSE 8 | SW 10 | E 12 |
3 | 5 | 5 | 4 | 4 | 8 | 16 | 16 | 16 | 16 | 17 | 3 | 28 | 23 | 18 | 26 | 30 | 22 | 21 | 19 | 12 | 13 | 45 | 44 | |
Wind waves Height (m) Direction Period (s) | SW 2 | SW 2 | — | — | — | SSW 2 | SSW 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1 | 1 | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 11 | 2 | 2 | 0 | 0 | 0 | 19 | 19 | 19 | 2 | 2 | 2 | 0 | 14 | 19 | 11 | 11 | 2 | 2 | 0 | 0 | 0 | 19 | 11 |
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)













