Surf Forecasts:
How big are the waves at Asakawa today (24 Aug):
- Morning surf: Morning surf (24 Aug, local time) - 4.5ft (1.3m), 19s period with SE swell.
- Afternoon surf: Afternoon surf (24 Aug, local time) - 7ft (2.1m), 16s period with SE swell.
- Evening surf: Evening surf (24 Aug, local time) - 8ft (2.4m), 15s period with SE swell.
The current surf forecast for Asakawa at 7AM is: 0.8m 13s primary swell from a Southeast direction and 0.6m 16s secondary swell from a Southeast direction (forecast issued at 02:00am August 24). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (24 Aug) | 4.5ft (1.3m) | 19s |
| Afternoon (24 Aug) | 7ft (2.1m) | 16s |
| Evening (24 Aug) | 8ft (2.4m) | 15s |
Table - waves today at Asakawa. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Wed night. Warm (max 31°C on Mon morning, min 25°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 24 | Tuesday 25 | Wednesday 26 | ||||||||||||||||||||||
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 12 | SE 13 | SE 13 | SE 19 | SE 18 | SE 16 | SE 16 | SE 15 | SE 16 | SSE 15 | SSE 14 | SSE 15 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 11 |
Wave Graph | ||||||||||||||||||||||||
152 | 196 | 239 | 1254 | 1947 | 2357 | 2917 | 2557 | 2844 | 3241 | 2618 | 3983 | 3403 | 2651 | 2470 | 2402 | 2287 | 2182 | 1780 | 1543 | 1299 | 925 | 711 | 565 | |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | glassy | glassy | on | on | cross-on | cross-on | cross | glassy | glassy | on | on | on | cross-on | cross-off | cross | cross-off | glassy | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 2:31AM1.38m | 5:04PM1.52m | 3:35AM1.49m | 5:25PM1.60m | 4:20AM1.60m | 5:47PM1.67m | ||||||||||||||||||
Low Tide | 9:51PM1.18m | 9:51AM0.47m | 10:27PM1.07m | 10:31AM0.36m | 10:55PM0.96m | 11:05AM0.27m | ||||||||||||||||||
— | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | |
— | — | — | — | — | — | 6:38 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 29 | 31 | 30 | 28 | 26 | 26 | 26 | 25 | 29 | 30 | 30 | 28 | 26 | 26 | 26 | 26 | 29 | 31 | 31 | 29 | 27 |
Feels °C | 30 | 30 | 31 | 33 | 35 | 33 | 32 | 31 | 31 | 31 | 30 | 33 | 32 | 33 | 32 | 30 | 30 | 30 | 30 | 33 | 34 | 34 | 34 | 31 |
Swell 1 Height (m) Direction Period (s) | SE 12 | SE 13 | SE 13 | SE 19 | SE 18 | SE 16 | SE 16 | SE 15 | SE 16 | SSE 15 | SSE 14 | SSE 15 | SSE 14 | SSE 13 | SSE 13 | SSE 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 11 |
152 | 196 | 239 | 1254 | 1947 | 2357 | 2917 | 2557 | 2844 | 3241 | 2618 | 3983 | 3403 | 2651 | 2470 | 2402 | 2287 | 2182 | 1780 | 1543 | 1299 | 925 | 711 | 565 | |
Swell 2 Height (m) Direction Period (s) | SSW 9 | SW 8 | SE 16 | S 8 | S 8 | SSW 8 | SSE 19 | SSE 19 | SSE 18 | SSE 18 | SSE 17 | E 15 | E 14 | E 14 | E 14 | E 14 | E 13 | SE 10 | SE 10 | SE 9 | SE 9 | SSE 9 | SE 9 | SE 9 |
30 | 17 | 219 | 21 | 12 | 21 | 1495 | 1466 | 1474 | 1423 | 1908 | 17 | 16 | 16 | 37 | 35 | 32 | 76 | 192 | 192 | 196 | 221 | 186 | 190 | |
Swell 3 Height (m) Direction Period (s) | S 8 | S 8 | SSW 8 | SW 9 | SW 9 | SSW 9 | S 8 | E 16 | E 11 | E 12 | E 12 | E 15 | SW 9 | E 14 | E 14 | — | E 13 | E 13 | E 13 | E 13 | E 13 | E 13 | E 13 | E 12 |
21 | 22 | 13 | 13 | 12 | 30 | 19 | 5 | 10 | 11 | 11 | 17 | 13 | 103 | 144 | — | 127 | 31 | 31 | 30 | 29 | 29 | 29 | 27 | |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2 | 2 | 0 | 0 | 11 | 11 | 11 | 2 | 2 | 0 | 0 | 11 | 11 | 11 | 11 | 0 | 2 | 0 | 0 | 11 | 11 | 30 | 11 | 2 |
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)













