Surf Forecasts:
How big are the waves at Asakawa today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 11ft (3.5m), 13s period with ESE swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 8ft (2.5m), 12s period with ESE swell.
- Evening surf: Evening surf (21 Sep, local time) - 4.5ft (1.4m), 11s period with ESE swell.
The current surf forecast for Asakawa at 12PM is: 3.5m 13s primary swell from a East-southeast direction (forecast issued at 08:00am September 21). An open ocean swell of 0.8m 6s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 4.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 11ft (3.5m) | 13s |
| Afternoon (21 Sep) | 8ft (2.5m) | 12s |
| Evening (21 Sep) | 4.5ft (1.4m) | 11s |
Table - waves today at Asakawa. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Tue morning, min 19°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||
Monday 21 | Tuesday 22 | Wednesday 23 | ||||||||||||||||||||
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 13 | ESE 13 | ESE 13 | ESE 12 | ESE 11 | ESE 11 | ESE 10 | ESE 10 | E 10 | E 9 | ESE 9 | SE 10 | SE 10 | SE 9 | SE 8 | SE 8 | SE 8 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 4308 | 4115 | 3340 | 2004 | 1032 | 486 | 246 | 131 | 65 | 43 | 27 | 15 | 15 | 13 | 17 | 15 | 9 | 9 | 8 | 8 | 8 | 8 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross | cross-on | glassy | glassy |
High Tide | 4:02PM1.43m | 2:13AM1.33m | 4:20PM1.53m | 3:17AM1.45m | 4:39PM1.62m | |||||||||||||||||
Low Tide | 8:18AM0.63m | 9:37PM1.13m | 9:16AM0.53m | 10:01PM0.99m | 9:56AM0.44m | |||||||||||||||||
 | | |  |  |  | | | | | | | | | | | | | | | | | |
 | 5:48 | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — |
 | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | 5:59 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 26 | 27 | 26 | 25 | 22 | 21 | 20 | 20 | 25 | 28 | 28 | 24 | 21 | 19 | 19 | 19 | 24 | 27 | 26 | 23 | 22 |
Feels °C | 24 | 25 | 27 | 27 | 26 | 22 | 21 | 19 | 19 | 24 | 27 | 28 | 23 | 20 | 18 | 18 | 18 | 24 | 28 | 27 | 26 | 25 |
Swell 1 Height (m) Direction Period (s) | SE 13 | ESE 13 | ESE 13 | ESE 12 | ESE 11 | ESE 11 | ESE 10 | ESE 10 | E 10 | E 9 | ESE 9 | ESE 9 | SE 10 | SE 9 | SE 8 | SE 8 | SE 8 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 |
| kJ | 4308 | 4115 | 3340 | 2004 | 1032 | 486 | 246 | 131 | 65 | 43 | 27 | 15 | 15 | 13 | 17 | 15 | 9 | 9 | 7 | 7 | 7 | 7 |
Swell 2 Height (m) Direction Period (s) | — | — | — | NNE 6 | S 9 | NNE 6 | S 9 | SE 11 | SE 11 | SE 10 | SE 10 | SE 10 | ESE 9 | ESE 8 | S 8 | S 8 | S 8 | S 8 | SSE 9 | ENE 4 | SSE 9 | SSE 9 |
| kJ | — | — | — | 21 | 2 | 7 | 1 | 5 | 19 | 17 | 16 | 15 | 7 | 6 | 5 | 5 | 5 | 5 | 8 | 1 | 8 | 8 |
Swell 3 Height (m) Direction Period (s) | — | — | — | SW 9 | SW 9 | S 9 | SE 11 | SE 12 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | SE 9 | SE 9 | SE 9 | SE 9 | S 8 | SSE 9 | S 8 | S 8 |
| kJ | — | — | — | 3 | 3 | 2 | 5 | 6 | 1 | 1 | 5 | 5 | 5 | 5 | 3 | 3 | 3 | 3 | 5 | 8 | 5 | 5 |
Wind waves Height (m) Direction Period (s) | NNE 5 | N 4 | NNE 6 | N 6 | NNE 6 | N 3 | N 3 | NNE 6 | NNE 3 | NNE 3 | NNE 6 | NE 4 | NNE 4 | NE 5 | NE 6 | NE 5 | NNE 5 | NE 5 | NE 4 | NNE 4 | — | — |
| kJ | 78 | 39 | 50 | 154 | 12 | 2 | 4 | 11 | 5 | 5 | 20 | 12 | 11 | 53 | 44 | 28 | 17 | 12 | 3 | 3 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 285 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 6 | 14 | 30 | 282 | 14 | 2 | 282 | 357 | 954 | 954 | 688 | 508 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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