Surf Forecasts:
How big are the waves at Asakawa today (21 Jun):
- Morning surf: Morning surf (21 Jun, local time) - 5.5ft (1.7m), 8s period with SSW swell.
- Afternoon surf: Afternoon surf (21 Jun, local time) - 7ft (2.2m), 7s period with SW swell.
- Evening surf: Evening surf (21 Jun, local time) - 3.5ft (1.0m), 7s period with SSW swell.
The current surf forecast for Asakawa at 5PM is: 1.3m 7s primary swell from a South-southwest direction and 0.3m 11s secondary swell from a Southeast direction (forecast issued at 08:00am June 21). An open ocean swell of 0.5m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jun) | 5.5ft (1.7m) | 8s |
| Afternoon (21 Jun) | 7ft (2.2m) | 7s |
| Evening (21 Jun) | 3.5ft (1.0m) | 7s |
Table - waves today at Asakawa. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 4mm), mostly falling on Mon night. Warm (max 29°C on Sun morning, min 20°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 21 | Monday 22 | Tuesday 23 | Wed 24 | |||||||||||||||||||||
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 | 12 AM | 3 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SSW 8 | SSW 8 | SSW 8 | SW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 13 | SE 9 | SE 13 | SE 12 | S 12 | S 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 412 | 352 | 318 | 516 | 127 | 91 | 66 | 51 | 34 | 35 | 35 | 49 | 49 | 49 | 35 | 34 | 46 | 44 | 31 | 42 | 134 | 92 | 108 | 139 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | glassy | glassy | cross-off | cross-off | off | off | off | glassy | glassy | glassy | glassy | cross-off | glassy | glassy | off | cross-off | glassy | glassy | glassy | glassy | off | off |
High Tide | 10:10AM1.45m | 11:24PM1.57m | 11:28AM1.34m | 00:07AM1.54m | 1:01PM1.29m | 00:53AM1.53m | ||||||||||||||||||
Low Tide | 4:35AM0.87m | 4:37PM0.57m | 5:42AM0.81m | 5:29PM0.75m | 6:52AM0.73m | 6:28PM0.90m | ||||||||||||||||||
 |  | | | |  | | | | |  | |  |  |  | | | | | | |  | | | |
 | 4:52 | — | — | — | — | — | — | 4:52 | — | — | — | — | — | — | — | 4:52 | — | — | — | — | — | — | — | 4:52 |
 | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:15 | — | — | 7:15 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | — | 1 | — | — | — | — | — | — | — | — |
Temp °C | 25 | 27 | 29 | 29 | 27 | 23 | 22 | 21 | 22 | 25 | 27 | 26 | 24 | 22 | 21 | 20 | 20 | 21 | 23 | 24 | 23 | 21 | 20 | 20 |
Feels °C | 28 | 31 | 33 | 33 | 30 | 25 | 23 | 22 | 24 | 27 | 29 | 29 | 27 | 24 | 24 | 22 | 22 | 23 | 25 | 25 | 26 | 23 | 21 | 21 |
Swell 1 Height (m) Direction Period (s) | SE 9 | SE 9 | SE 9 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SW 6 | SE 10 | S 6 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 | SE 13 | SE 12 | S 12 | S 12 |
| kJ | 22 | 22 | 22 | 207 | 127 | 91 | 66 | 51 | 21 | 35 | 17 | 49 | 49 | 49 | 35 | 34 | 46 | 44 | 31 | 42 | 134 | 92 | 108 | 139 |
Swell 2 Height (m) Direction Period (s) | SSE 12 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 9 | SE 9 | SE 10 | SSW 6 | SE 10 | SSW 6 | S 5 | S 5 | SSW 5 | SSW 5 | S 5 | S 11 | SE 13 | SE 13 | S 14 | S 13 | SE 12 | SE 12 |
| kJ | 14 | 20 | 20 | 31 | 18 | 18 | 29 | 31 | 34 | 17 | 35 | 10 | 5 | 5 | 9 | 5 | 4 | 9 | 27 | 27 | 61 | 87 | 89 | 89 |
Swell 3 Height (m) Direction Period (s) | E 18 | E 18 | E 18 | SE 8 | SE 9 | SE 9 | SE 11 | S 15 | SSE 5 | S 6 | S 13 | S 12 | SSW 6 | SSE 12 | SSE 12 | SSE 11 | SSE 11 | S 5 | S 10 | S 15 | NNE 4 | SSE 9 | SE 9 | E 7 |
| kJ | 6 | 6 | 6 | 11 | 12 | 12 | 19 | 5 | 6 | 5 | 3 | 12 | 3 | 13 | 13 | 23 | 12 | 2 | 8 | 38 | 2 | 8 | 19 | 15 |
Wind waves Height (m) Direction Period (s) | SSW 8 | SSW 8 | SSW 8 | SW 7 | N 4 | NE 4 | NE 5 | NNE 2 | — | N 4 | NNE 3 | NNE 3 | — | — | N 3 | NE 2 | NE 4 | NE 4 | NE 4 | NE 4 | NE 3 | E 4 | — | — |
| kJ | 412 | 352 | 318 | 516 | 7 | 4 | 6 | 1 | — | 6 | 3 | 4 | — | — | 2 | 1 | 4 | 2 | 2 | 5 | 2 | 1 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 14 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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