
Surf Forecasts:
How big are the waves at Asakawa today (30 Sep):
- Morning surf: Morning surf (30 Sep, local time) - 4ft (1.2m), 10s period with S swell.
- Afternoon surf: Afternoon surf (30 Sep, local time) - 3.5ft (1.1m), 9s period with SSE swell.
- Evening surf: Evening surf (30 Sep, local time) - 3ft (0.9m), 8s period with SSE swell.
The current surf forecast for Asakawa at 9AM is: 1.2m 10s primary swell from a South direction and 0.3m 7s secondary swell from a East-southeast direction (forecast issued at 02:00am September 30). An open ocean swell of 0.7m 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 (30 Sep) | 4ft (1.2m) | 10s |
| Afternoon (30 Sep) | 3.5ft (1.1m) | 9s |
| Evening (30 Sep) | 3ft (0.9m) | 8s |
Table - waves today at Asakawa. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Wed morning, min 16°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 30 | Thursday 1 | Friday 2 | ||||||||||||||||||||||
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 11 | S 10 | S 10 | S 10 | SSE 9 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | SE 8 | SE 8 | SE 8 | SE 8 | ESE 8 | SE 7 | SE 7 | SE 7 | SE 8 | SE 7 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 |
Wave Graph | ||||||||||||||||||||||||
599 | 400 | 327 | 267 | 216 | 188 | 147 | 120 | 114 | 88 | 69 | 82 | 84 | 72 | 54 | 39 | 23 | 24 | 25 | 31 | 29 | 29 | 15 | 30 | |
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 | glassy | glassy | glassy | off | glassy | cross-on | on | glassy | cross-off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 8:02AM1.75m | 7:24PM1.80m | 8:52AM1.62m | 7:54PM1.73m | 9:56AM1.48m | 8:29PM1.63m | ||||||||||||||||||
Low Tide | 1:29AM0.12m | 1:38PM0.77m | 2:09AM0.15m | 2:12PM0.92m | 2:57AM0.24m | 2:51PM1.08m | ||||||||||||||||||
— | 5:54 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | |
— | — | — | — | — | 5:49 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:45 | — | — | |
mm | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 20 | 20 | 23 | 26 | 26 | 23 | 23 | 22 | 21 | 21 | 24 | 26 | 26 | 23 | 22 | 21 | 20 | 19 | 22 | 24 | 24 | 21 | 18 |
Feels °C | 21 | 20 | 20 | 24 | 26 | 27 | 25 | 25 | 24 | 23 | 22 | 26 | 27 | 28 | 26 | 23 | 22 | 20 | 19 | 20 | 21 | 21 | 19 | 15 |
Swell 1 Height (m) Direction Period (s) | S 11 | S 10 | S 10 | S 10 | SSE 9 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | SE 8 | SE 8 | SE 8 | SE 8 | ESE 8 | SE 7 | SE 7 | SE 7 | SE 8 | SE 7 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 |
599 | 400 | 327 | 267 | 216 | 188 | 147 | 120 | 114 | 88 | 69 | 82 | 84 | 72 | 54 | 39 | 23 | 24 | 25 | 31 | 29 | 29 | 15 | 30 | |
Swell 2 Height (m) Direction Period (s) | ESE 7 | ESE 7 | E 7 | ESE 7 | ESE 7 | E 7 | E 7 | E 7 | E 8 | ESE 7 | E 7 | E 8 | — | SE 11 | — | — | E 8 | ESE 7 | E 8 | SE 11 | S 6 | E 16 | ESE 10 | SE 16 |
25 | 40 | 26 | 9 | 9 | 26 | 38 | 54 | 57 | 54 | 37 | 31 | — | 5 | — | — | 6 | 9 | 6 | 5 | 1 | 5 | 9 | 10 | |
Swell 3 Height (m) Direction Period (s) | SE 12 | SSE 9 | E 10 | E 10 | E 10 | — | — | NE 4 | — | — | SW 6 | SW 6 | SW 6 | S 7 | E 9 | SE 11 | SE 11 | E 8 | SE 11 | S 6 | E 17 | S 7 | SE 16 | E 11 |
6 | 8 | 2 | 2 | 2 | — | — | 2 | — | — | 2 | 2 | 1 | 1 | 2 | 5 | 5 | 6 | 5 | 1 | 6 | 1 | 10 | 3 | |
Wind waves Height (m) Direction Period (s) | NNE 4 | NNE 4 | NNE 4 | NE 4 | NE 4 | NE 4 | NE 4 | NNE 4 | — | — | — | NNE 3 | NNE 3 | — | NNE 3 | NNE 3 | — | NNE 4 | NNE 4 | NE 4 | NE 5 | NE 5 | NE 5 | NNE 5 |
16 | 11 | 13 | 16 | 17 | 10 | 5 | 5 | — | — | — | 1 | 2 | — | 3 | 2 | — | 7 | 11 | 26 | 56 | 80 | 47 | 37 | |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 22 | 1 | 6 | 64 | 14 | 14 | 369 | 2759 | 370 | 14 | 14 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)












