Surf Forecasts:
How big are the waves at Asakawa today (20 Sep):
- Afternoon surf: Afternoon surf (20 Sep, local time) - 11ft (3.5m), 13s period with SE swell.
- Evening surf: Evening surf (20 Sep, local time) - 11ft (3.5m), 13s period with SE swell.
The current surf forecast for Asakawa at 11PM is: 3.5m 13s primary swell from a Southeast direction (forecast issued at 02:00pm September 20). An open ocean swell of 1.4m 5s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | - | - |
| Afternoon (20 Sep) | 11ft (3.5m) | 13s |
| Evening (20 Sep) | 11ft (3.5m) | 13s |
Table - waves today at Asakawa. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Sun afternoon, min 18°C on Tue night). Winds decreasing (fresh winds from the N on Sun night, light winds from the ENE by Wed morning). | ||||||||||||||||||||
Sun 20 | Monday 21 | Tuesday 22 | ||||||||||||||||||
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 13 | SE 13 | SE 13 | SE 13 | SE 13 | SE 13 | SE 13 | ESE 13 | ESE 13 | ESE 12 | ESE 12 | ESE 11 | ESE 11 | ESE 10 | ESE 10 | E 10 | ESE 9 | SE 10 | SE 9 | SE 9 |
Wave Graph  | ||||||||||||||||||||
 kJ | 4122 | 4122 | 4183 | 3925 | 3925 | 4183 | 4049 | 3801 | 4115 | 2765 | 1744 | 884 | 401 | 191 | 104 | 46 | 28 | 25 | 22 | 14 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 3:50PM1.33m | 11:43PM1.27m | 4:02PM1.43m | 2:13AM1.33m | 4:20PM1.53m | |||||||||||||||
Low Tide | 8:58PM1.25m | 8:18AM0.63m | 9:37PM1.13m | 9:16AM0.53m | ||||||||||||||||
 | | |  | | | | | | | | | |  |  | | | | | | |
 | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — |
 | — | — | 6:02 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:00 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 28 | 26 | 25 | 24 | 24 | 24 | 26 | 27 | 27 | 25 | 24 | 23 | 22 | 20 | 25 | 28 | 28 | 24 | 21 |
Feels °C | 27 | 27 | 25 | 24 | 22 | 23 | 21 | 24 | 25 | 27 | 26 | 25 | 25 | 23 | 19 | 23 | 26 | 27 | 23 | 20 |
Swell 1 Height (m) Direction Period (s) | SE 13 | SE 13 | SE 13 | SE 13 | SE 13 | SE 13 | SE 13 | ESE 13 | ESE 13 | ESE 12 | ESE 12 | ESE 11 | ESE 11 | ESE 10 | ESE 10 | E 10 | ESE 9 | SE 10 | SE 9 | SE 9 |
| kJ | 4122 | 4122 | 4183 | 3925 | 3925 | 4183 | 4049 | 3801 | 4115 | 2765 | 1744 | 884 | 401 | 191 | 104 | 46 | 28 | 25 | 22 | 14 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | SW 9 | NNE 6 | S 9 | S 9 | S 8 | SE 11 | SE 10 | E 9 | S 8 | ESE 8 |
| kJ | — | — | — | — | — | — | — | — | — | — | 3 | 7 | 2 | 1 | 1 | 18 | 16 | 15 | 5 | 7 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | S 9 | S 9 | N 6 | W 4 | S 8 | S 8 | S 8 | SSW 8 | S 8 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 7 | 5 |
Wind waves Height (m) Direction Period (s) | NNE 5 | NNE 5 | NNE 5 | NNE 5 | NNE 5 | NNE 5 | NNE 6 | NNE 6 | NNE 5 | NNE 6 | NNE 6 | N 3 | N 6 | N 3 | NNE 3 | NNE 3 | NNE 6 | NNE 4 | NNE 4 | NNE 4 |
| kJ | 80 | 80 | 80 | 125 | 97 | 85 | 131 | 124 | 88 | 77 | 37 | 3 | 6 | 1 | 3 | 3 | 25 | 20 | 13 | 25 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 43 | 43 | 43 | 43 | 43 | 0 | 57 | 57 | 43 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 30 | 6 | 30 | 14 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
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