Surf Forecasts:
How big are the waves at Asakawa today (17 Sep):
- Morning surf: Morning surf (17 Sep, local time) - 2.5ft (0.7m), 9s period with SE swell.
- Afternoon surf: Afternoon surf (17 Sep, local time) - 2.5ft (0.7m), 9s period with SE swell.
- Evening surf: Evening surf (17 Sep, local time) - 4ft (1.2m), 8s period with ESE swell.
The current surf forecast for Asakawa at 3AM is: 0.7m 9s primary swell from a Southeast direction and 0.1m 13s secondary swell from a East direction (forecast issued at 08:00pm September 16). An open ocean swell of 0.7m 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 (17 Sep) | 2.5ft (0.7m) | 9s |
| Afternoon (17 Sep) | 2.5ft (0.7m) | 9s |
| Evening (17 Sep) | 4ft (1.2m) | 8s |
Table - waves today at Asakawa. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Wed night. Warm (max 28°C on Sat morning, min 20°C on Wed night). Wind will be generally light. | ||||||||||||||||||
Wed 16 | Thursday 17 | Friday 18 | ||||||||||||||||
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) | ESE 9 | ESE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | E 9 | E 9 | E 9 | E 10 | E 10 |
Wave Graph  | ||||||||||||||||||
 kJ | 94 | 96 | 79 | 79 | 79 | 79 | 77 | 75 | 110 | 165 | 212 | 346 | 404 | 901 | 912 | 932 | 910 | 838 |
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 | cross-off | cross-off | cross | cross | cross | cross-on | cross-on | cross-on | on | glassy | off |
High Tide | 8:04PM1.66m | 9:32AM1.40m | 8:24PM1.57m | 10:38AM1.28m | 8:45PM1.47m | |||||||||||||
Low Tide | 2:54AM0.42m | 2:34PM1.00m | 3:36AM0.53m | 2:53PM1.12m | ||||||||||||||
 |  |  | |  | | | |  |  | | | | |  | | | | |
 | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — |
 | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:06 | — |
mm | 1 | 1 | — | — | — | — | — | — | — | — | 1 | 1 | — | — | 1 | 1 | — | — |
Temp °C | 23 | 22 | 22 | 21 | 20 | 24 | 27 | 27 | 25 | 24 | 23 | 23 | 23 | 24 | 25 | 26 | 24 | 24 |
Feels °C | 25 | 23 | 23 | 21 | 19 | 24 | 27 | 27 | 27 | 26 | 25 | 25 | 25 | 26 | 28 | 29 | 27 | 26 |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 |
| kJ | 94 | 96 | 79 | 79 | 79 | 79 | 77 | 75 | 110 | 165 | 212 | 346 | 404 | 427 | 415 | 452 | 437 | 373 |
Swell 2 Height (m) Direction Period (s) | E 13 | E 13 | E 13 | E 13 | S 7 | E 12 | E 12 | E 12 | E 12 | E 12 | E 12 | — | — | S 11 | S 11 | S 10 | S 10 | S 10 |
| kJ | 3 | 3 | 3 | 3 | 1 | 3 | 3 | 3 | 3 | 3 | 3 | — | — | 2 | 2 | 2 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | — | E 12 | S 6 | — | — | — | — | — | — | SE 11 |
| kJ | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | 3 | 1 | — | — | — | — | — | — | 5 |
Wind waves Height (m) Direction Period (s) | NE 4 | NNE 4 | NNE 4 | NE 4 | NE 4 | NE 4 | NE 4 | NE 4 | NE 4 | — | — | — | — | E 9 | E 9 | E 9 | E 10 | E 10 |
| kJ | 11 | 10 | 13 | 16 | 17 | 16 | 17 | 10 | 3 | — | — | — | — | 901 | 912 | 932 | 910 | 838 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 14 | 14 | 43 | 43 | 0 | 0 | 22 | 24 | 19 | 19 | 19 | 19 | 19 | 0 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
Header Global | ||||||||||||||||||
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