Surf Forecasts:
How big are the waves at Asakawa today (11 Aug):
- Morning surf: Morning surf (11 Aug, local time) - 3.5ft (1.0m), 10s period with S swell.
- Afternoon surf: Afternoon surf (11 Aug, local time) - 3ft (0.9m), 10s period with SSW swell.
- Evening surf: Evening surf (11 Aug, local time) - 3ft (0.9m), 10s period with SSW swell.
The current surf forecast for Asakawa at 7AM is: 1.0m 11s primary swell from a South direction and 0.5m 11s secondary swell from a East direction (forecast issued at 02:00am August 11). An open ocean swell of 0.7m 5s 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 (11 Aug) | 3.5ft (1.0m) | 10s |
| Afternoon (11 Aug) | 3ft (0.9m) | 10s |
| Evening (11 Aug) | 3ft (0.9m) | 10s |
Table - waves today at Asakawa. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 12mm), heaviest on Thu morning. Warm (max 30°C on Tue afternoon, min 22°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 11 | Wednesday 12 | Thursday 13 | ||||||||||||||||||||||
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 | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | S 10 | S 11 | S 11 | S 10 | S 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | S 10 | S 10 | S 9 | S 10 | S 9 | S 10 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | S 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 260 | 238 | 233 | 216 | 212 | 173 | 173 | 173 | 173 | 177 | 177 | 92 | 89 | 87 | 83 | 92 | 83 | 70 | 115 | 88 | 86 | 86 | 86 | 79 |
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 | cross-off | cross-off | off | off | cross-off | glassy | glassy | on | cross-on | on | glassy | glassy | cross-off | cross | cross-on | on | on | on | glassy |
High Tide | 3:52AM1.69m | 5:51PM1.75m | 4:49AM1.80m | 6:24PM1.81m | 5:39AM1.88m | 6:54PM1.83m | ||||||||||||||||||
Low Tide | 10:33PM1.05m | 10:55AM0.05m | 11:18PM0.92m | 11:39AM-0.00m | 11:58PM0.78m | 12:20PM0.01m | ||||||||||||||||||
 | |  | | |  | | | |  | | | | |  |  | | |  | | | | | | |
 | — | 5:20 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:53 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | 1 | 1 | 4 | 2 | 1 | — | 1 |
Temp °C | 25 | 24 | 23 | 27 | 29 | 30 | 27 | 24 | 22 | 24 | 25 | 26 | 27 | 26 | 25 | 24 | 24 | 24 | 24 | 25 | 26 | 28 | 26 | 25 |
Feels °C | 27 | 25 | 24 | 28 | 28 | 29 | 28 | 25 | 23 | 25 | 27 | 29 | 29 | 28 | 29 | 28 | 28 | 27 | 27 | 28 | 30 | 30 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | S 10 | S 11 | S 11 | S 10 | S 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | S 9 | S 10 | S 10 | S 9 | S 10 | S 9 | S 10 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | S 9 |
| kJ | 260 | 238 | 233 | 216 | 212 | 173 | 173 | 173 | 173 | 177 | 177 | 85 | 89 | 87 | 83 | 92 | 83 | 70 | 115 | 88 | 86 | 86 | 86 | 79 |
Swell 2 Height (m) Direction Period (s) | E 12 | E 12 | E 11 | E 11 | E 11 | E 11 | E 11 | NE 5 | E 11 | E 11 | E 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SW 10 | SSW 9 | ESE 4 | SE 12 | ESE 3 | ESE 4 | ESE 4 | ESE 4 |
| kJ | 101 | 67 | 65 | 63 | 61 | 57 | 56 | 13 | 35 | 37 | 19 | 92 | 68 | 58 | 57 | 40 | 25 | 49 | 7 | 23 | 2 | 3 | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | SE 14 | SE 14 | SW 10 | SE 13 | SE 13 | SE 13 | SE 13 | E 11 | NE 4 | SE 13 | SE 13 | E 10 | E 10 | E 10 | E 10 | E 10 | SE 12 | ESE 4 | SE 12 | E 9 | E 9 | SE 12 | SE 12 | E 10 |
| kJ | 31 | 29 | 16 | 28 | 27 | 27 | 27 | 55 | 5 | 27 | 27 | 19 | 18 | 19 | 8 | 8 | 24 | 10 | 23 | 7 | 7 | 22 | 22 | 16 |
Wind waves Height (m) Direction Period (s) | NNE 3 | NNE 4 | NE 5 | NE 5 | NE 5 | NE 5 | NE 5 | N 5 | N 4 | — | — | — | — | — | E 2 | ESE 3 | ESE 4 | — | SE 3 | ESE 4 | — | — | — | — |
| kJ | 8 | 12 | 17 | 29 | 46 | 53 | 37 | 43 | 13 | — | — | — | — | — | 1 | 1 | 6 | — | 5 | 3 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 6 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 473 | 14 | 0 | 0 | 0 | 6 | 43 | 14 | 19 | 19 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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