Surf Forecasts:
How big are the waves at Asakawa today (31 Aug):
- Afternoon surf: Afternoon surf (31 Aug, local time) - 2ft (0.6m), 8s period with S swell.
- Evening surf: Evening surf (31 Aug, local time) - 1.5ft (0.5m), 8s period with S swell.
The current surf forecast for Asakawa at 7PM is: 0.5m 8s primary swell from a South direction and 0.4m 9s secondary swell from a South-southwest direction, 0.4m 3s secondary swell from a South-southwest direction (forecast issued at 02:00pm August 31). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Aug) | - | - |
| Afternoon (31 Aug) | 2ft (0.6m) | 8s |
| Evening (31 Aug) | 1.5ft (0.5m) | 8s |
Table - waves today at Asakawa. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 10mm), heaviest on Wed afternoon. Warm (max 31°C on Mon afternoon, min 24°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Mon 31 | Tuesday 1 | Wednesday 2 | ||||||||||||||||||
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 8 | S 8 | S 9 | SE 10 | SE 10 | S 8 | S 8 | ESE 13 | ESE 13 | ESE 12 | E 12 | S 8 | S 8 | S 8 | S 8 | SSE 8 | SSE 9 | SSE 9 | SSE 9 | SSE 9 |
Wave Graph  | ||||||||||||||||||||
 kJ | 69 | 51 | 38 | 32 | 31 | 52 | 51 | 59 | 57 | 52 | 76 | 103 | 131 | 131 | 165 | 184 | 206 | 206 | 202 | 295 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross | glassy | on | on | on | on | glassy | glassy | glassy | glassy | cross | cross-on | on | cross-on | glassy |
High Tide | 7:38PM1.81m | 8:07AM1.73m | 8:03PM1.78m | 8:53AM1.61m | 8:30PM1.72m | |||||||||||||||
Low Tide | 1:53AM0.35m | 2:01PM0.58m | 2:31AM0.33m | 2:32PM0.75m | ||||||||||||||||
 | | |  | | | | | | | |  | | |  |  | | | |  | |
 | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — |
 | — | — | 6:30 | — | — | — | — | — | — | — | 6:29 | — | — | — | — | — | — | — | 6:28 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 1 | 1 | 2 | — |
Temp °C | 31 | 31 | 28 | 26 | 26 | 25 | 25 | 28 | 30 | 30 | 27 | 26 | 26 | 26 | 26 | 28 | 29 | 28 | 26 | 26 |
Feels °C | 34 | 34 | 32 | 30 | 31 | 29 | 29 | 31 | 32 | 32 | 31 | 31 | 31 | 31 | 31 | 32 | 33 | 32 | 31 | 32 |
Swell 1 Height (m) Direction Period (s) | SE 10 | S 8 | S 9 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | SSE 8 | SSE 9 | SSE 9 | SSE 9 | SSE 9 |
| kJ | 25 | 51 | 38 | 32 | 31 | 52 | 51 | 32 | 32 | 42 | 57 | 103 | 131 | 131 | 165 | 184 | 206 | 206 | 202 | 208 |
Swell 2 Height (m) Direction Period (s) | SSW 10 | SE 10 | SW 8 | SSW 9 | SSW 9 | SE 10 | ESE 14 | ESE 13 | ESE 13 | ESE 12 | E 12 | E 12 | E 12 | E 11 | E 11 | E 11 | E 11 | E 11 | E 11 | ESE 11 |
| kJ | 10 | 25 | 18 | 32 | 31 | 23 | 36 | 59 | 57 | 52 | 76 | 73 | 70 | 66 | 62 | 61 | 61 | 58 | 57 | 38 |
Swell 3 Height (m) Direction Period (s) | E 15 | SSW 10 | SE 10 | SE 10 | SE 10 | ESE 14 | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 10 | SE 10 | SE 9 | SE 10 | SE 10 | SE 11 | SE 11 | SE 11 | SE 11 |
| kJ | 4 | 10 | 24 | 24 | 24 | 39 | 15 | 23 | 23 | 22 | 14 | 14 | 14 | 14 | 15 | 17 | 29 | 29 | 18 | 18 |
Wind waves Height (m) Direction Period (s) | S 8 | SSW 3 | SSW 3 | — | — | — | — | — | — | — | — | ENE 6 | ENE 6 | ENE 6 | ENE 6 | E 6 | ENE 5 | ENE 5 | E 4 | SSE 9 |
| kJ | 69 | 4 | 3 | — | — | — | — | — | — | — | — | 12 | 7 | 12 | 11 | 5 | 5 | 5 | 10 | 295 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 11 | 30 | 11 | 14 | 2 | 2 | 0 | 11 | 11 | 475 | 11 | 0 | 0 | 0 | 0 | 43 | 475 | 19 | 1 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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