Surf Forecasts:
How big are the waves at Asakawa today (10 Aug):
- Morning surf: Morning surf (10 Aug, local time) - 3.5ft (1.1m), 10s period with S swell.
- Afternoon surf: Afternoon surf (10 Aug, local time) - 3.5ft (1.0m), 10s period with S swell.
- Evening surf: Evening surf (10 Aug, local time) - 3.5ft (1.0m), 10s period with S swell.
The current surf forecast for Asakawa at 3PM is: 1.0m 10s primary swell from a South direction and 0.7m 12s secondary swell from a East direction (forecast issued at 08:00am August 10). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Aug) | 3.5ft (1.1m) | 10s |
| Afternoon (10 Aug) | 3.5ft (1.0m) | 10s |
| Evening (10 Aug) | 3.5ft (1.0m) | 10s |
Table - waves today at Asakawa. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Wed night. Warm (max 30°C on Mon morning, min 22°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||
Monday 10 | Tuesday 11 | Wednesday 12 | ||||||||||||||||||||
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) | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 11 | S 11 | S 10 | S 10 | S 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | S 10 | S 10 | S 9 | S 9 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 267 | 242 | 194 | 190 | 194 | 194 | 216 | 238 | 233 | 216 | 212 | 212 | 173 | 173 | 173 | 177 | 177 | 170 | 89 | 88 | 63 | 81 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | cross-off | off | cross-off | off | off | off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | glassy | on | on | on | on |
High Tide | 5:14PM1.67m | 3:52AM1.69m | 5:51PM1.75m | 4:49AM1.80m | 6:24PM1.81m | |||||||||||||||||
Low Tide | 10:02AM0.17m | 10:33PM1.05m | 10:55AM0.05m | 11:18PM0.92m | 11:39AM-0.00m | |||||||||||||||||
 | | |  | |  | | | | | | | | | |  |  | | | | |  | |
 | 5:20 | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — |
 | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:53 | — | — | — | — | — | — | — | 6:52 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
Temp °C | 25 | 28 | 30 | 30 | 29 | 26 | 24 | 23 | 22 | 27 | 30 | 29 | 27 | 24 | 23 | 23 | 25 | 27 | 25 | 25 | 25 | 24 |
Feels °C | 29 | 31 | 32 | 32 | 33 | 28 | 25 | 24 | 23 | 27 | 29 | 27 | 27 | 25 | 24 | 24 | 27 | 30 | 27 | 27 | 28 | 27 |
Swell 1 Height (m) Direction Period (s) | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 11 | S 11 | S 10 | S 10 | S 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | S 10 | S 10 | S 9 | S 9 |
| kJ | 267 | 242 | 194 | 190 | 194 | 194 | 216 | 238 | 233 | 216 | 212 | 212 | 173 | 173 | 173 | 177 | 177 | 170 | 89 | 88 | 63 | 81 |
Swell 2 Height (m) Direction Period (s) | E 13 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | E 11 | E 11 | E 11 | E 11 | E 11 | NE 4 | E 11 | E 11 | E 11 | E 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 |
| kJ | 202 | 193 | 144 | 144 | 141 | 103 | 101 | 67 | 63 | 63 | 58 | 37 | 55 | 9 | 35 | 37 | 20 | 19 | 68 | 58 | 57 | 58 |
Swell 3 Height (m) Direction Period (s) | SW 11 | SSW 11 | SSW 11 | SW 11 | SW 11 | SW 11 | SE 14 | SE 14 | SW 10 | SE 13 | SE 13 | SE 13 | SE 13 | E 10 | NE 4 | SE 13 | SE 13 | SE 13 | E 10 | E 10 | E 10 | SE 13 |
| kJ | 121 | 78 | 75 | 56 | 59 | 58 | 31 | 29 | 16 | 28 | 27 | 27 | 27 | 35 | 3 | 27 | 27 | 27 | 18 | 8 | 8 | 26 |
Wind waves Height (m) Direction Period (s) | — | N 3 | NE 3 | NE 4 | N 4 | NE 4 | NE 4 | NE 5 | NE 4 | NE 5 | NE 5 | NE 5 | NE 5 | N 4 | N 4 | N 4 | — | — | E 2 | E 3 | ESE 3 | ESE 3 |
| kJ | — | 5 | 4 | 8 | 7 | 3 | 16 | 10 | 10 | 19 | 42 | 53 | 35 | 22 | 7 | 4 | — | — | 1 | 1 | 2 | 2 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 282 | 282 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 19 | 19 | 19 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||
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