Surf Forecasts:
How big are the waves at Asakawa today (12 Aug):
- Afternoon surf: Afternoon surf (12 Aug, local time) - 2.5ft (0.7m), 10s period with S swell.
- Evening surf: Evening surf (12 Aug, local time) - 2.5ft (0.7m), 10s period with S swell.
The current surf forecast for Asakawa at 8PM is: 0.7m 10s primary swell from a South direction and 0.4m 10s secondary swell from a South-southwest direction, 0.2m 3s secondary swell from a East-southeast direction (forecast issued at 02:00pm August 12). The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Aug) | - | - |
| Afternoon (12 Aug) | 2.5ft (0.7m) | 10s |
| Evening (12 Aug) | 2.5ft (0.7m) | 10s |
Table - waves today at Asakawa. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 20mm), heaviest during Thu morning. Warm (max 29°C on Sat morning, min 24°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Wed 12 | Thursday 13 | Friday 14 | ||||||||||||||||||
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 10 | S 10 | S 9 | S 10 | S 9 | S 10 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 |
Wave Graph  | ||||||||||||||||||||
 kJ | 89 | 88 | 85 | 92 | 83 | 70 | 115 | 88 | 86 | 86 | 86 | 79 | 79 | 78 | 76 | 73 | 73 | 73 | 74 | 73 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | glassy | glassy | glassy | glassy | cross | cross-on | on | on | glassy | glassy | glassy | glassy | glassy | glassy | on | on | cross-on | glassy |
High Tide | 6:24PM1.81m | 5:39AM1.88m | 6:54PM1.83m | 6:24AM1.90m | 7:22PM1.83m | |||||||||||||||
Low Tide | 11:58PM0.78m | 12:20PM0.01m | 00:35AM0.66m | 12:56PM0.09m | ||||||||||||||||
 |  |  |  |  | |  |  | | | |  | | | | |  | | |  | |
 | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — |
 | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:51 | — |
mm | — | — | 1 | 1 | 1 | 1 | 1 | 3 | 3 | 2 | 1 | — | — | 1 | 1 | 1 | — | 1 | 1 | — |
Temp °C | 28 | 27 | 25 | 25 | 24 | 24 | 24 | 26 | 26 | 26 | 26 | 25 | 25 | 24 | 24 | 27 | 28 | 28 | 27 | 25 |
Feels °C | 30 | 30 | 29 | 29 | 28 | 28 | 28 | 30 | 29 | 29 | 30 | 30 | 30 | 28 | 28 | 31 | 30 | 31 | 31 | 29 |
Swell 1 Height (m) Direction Period (s) | S 10 | S 10 | S 9 | S 10 | S 9 | S 10 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | ESE 5 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 |
| kJ | 89 | 88 | 85 | 92 | 83 | 70 | 115 | 88 | 86 | 86 | 86 | 19 | 79 | 78 | 76 | 73 | 73 | 73 | 74 | 73 |
Swell 2 Height (m) Direction Period (s) | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SW 10 | SSW 9 | ESE 4 | SE 12 | SE 12 | E 9 | SE 12 | S 9 | ESE 4 | ESE 4 | ESE 4 | E 9 | ESE 4 | ESE 4 | E 9 | E 9 |
| kJ | 68 | 58 | 57 | 40 | 26 | 49 | 2 | 23 | 22 | 7 | 22 | 79 | 16 | 11 | 7 | 15 | 3 | 3 | 27 | 27 |
Swell 3 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 10 | SE 12 | ESE 4 | SE 12 | E 10 | E 9 | SE 12 | E 9 | E 10 | E 10 | E 10 | E 10 | SE 11 | E 9 | E 9 | ESE 4 | SE 11 |
| kJ | 18 | 8 | 8 | 8 | 24 | 2 | 23 | 7 | 7 | 22 | 7 | 16 | 16 | 16 | 16 | 20 | 15 | 15 | 3 | 19 |
Wind waves Height (m) Direction Period (s) | — | — | — | ESE 3 | ESE 3 | — | — | ESE 3 | ESE 3 | ESE 4 | ESE 4 | — | — | — | SE 4 | SE 4 | SE 3 | SE 4 | — | — |
| kJ | — | — | — | 1 | 2 | — | — | 2 | 4 | 10 | 17 | — | — | — | 8 | 4 | 6 | 6 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 11 | 11 | 0 | 0 | 0 | 0 | 1 | 43 | 43 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 11 | 6 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
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