Surf Forecasts:
How big are the waves at Asakawa today (04 Sep):
- Morning surf: Morning surf (04 Sep, local time) - 5ft (1.5m), 10s period with S swell.
- Afternoon surf: Afternoon surf (04 Sep, local time) - 4.5ft (1.4m), 10s period with S swell.
- Evening surf: Evening surf (04 Sep, local time) - 3.5ft (1.1m), 9s period with S swell.
The current surf forecast for Asakawa at 7AM is: 1.5m 10s primary swell from a South direction and 0.4m 10s secondary swell from a Southeast direction (forecast issued at 02:00am September 04). An open ocean swell of 0.5m 3s 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 (04 Sep) | 5ft (1.5m) | 10s |
| Afternoon (04 Sep) | 4.5ft (1.4m) | 10s |
| Evening (04 Sep) | 3.5ft (1.1m) | 9s |
Table - waves today at Asakawa. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 125mm), heaviest during Fri afternoon. Warm (max 27°C on Sun morning, min 20°C on Fri afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Friday 4 | Saturday 5 | Sunday 6 | ||||||||||||||||||||||
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) | SSE 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 9 | S 10 | SSW 10 | SSW 10 | S 9 | SSW 9 | SSW 9 | SSW 9 | ESE 6 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | E 10 | E 10 | ESE 11 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 394 | 440 | 431 | 408 | 408 | 362 | 262 | 211 | 221 | 130 | 107 | 173 | 96 | 135 | 106 | 78 | 203 | 292 | 412 | 424 | 603 | 2309 | 2850 | 1541 |
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-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 9:02PM1.65m | 11:18AM1.35m | 9:43PM1.56m | 1:51PM1.33m | 11:00PM1.46m | 3:35PM1.46m | ||||||||||||||||||
Low Tide | 4:13AM0.42m | 3:51PM1.11m | 5:37AM0.48m | 5:35PM1.26m | 7:28AM0.46m | 8:34PM1.23m | ||||||||||||||||||
 | |  |  |  | | |  |  |  |  | | | |  |  | | | | | | | | | |
 | — | 5:37 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:23 | — | — | — | — | — | — | — | 6:22 | — |
mm | — | — | — | 2 | 24 | 37 | 28 | 10 | 14 | 5 | 2 | — | — | — | — | — | 1 | 1 | — | — | — | 1 | — | — |
Temp °C | 25 | 25 | 25 | 25 | 24 | 22 | 20 | 21 | 21 | 22 | 22 | 23 | 24 | 25 | 24 | 24 | 24 | 24 | 24 | 26 | 27 | 26 | 26 | 25 |
Feels °C | 29 | 29 | 29 | 29 | 25 | 22 | 19 | 22 | 23 | 24 | 23 | 24 | 25 | 26 | 25 | 25 | 26 | 27 | 26 | 27 | 27 | 28 | 28 | 27 |
Swell 1 Height (m) Direction Period (s) | SSE 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 9 | S 10 | ESE 8 | ESE 8 | S 9 | ESE 7 | SSW 9 | ESE 6 | ESE 6 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | ESE 10 | ESE 10 | ESE 11 |
| kJ | 394 | 440 | 431 | 408 | 408 | 362 | 262 | 211 | 221 | 130 | 107 | 173 | 91 | 135 | 59 | 78 | 203 | 292 | 412 | 424 | 603 | 1004 | 1156 | 1541 |
Swell 2 Height (m) Direction Period (s) | SE 10 | SE 10 | SE 10 | SE 9 | ESE 9 | SE 9 | SE 9 | ESE 9 | ESE 7 | SSW 10 | SSW 10 | ESE 7 | SSW 9 | ESE 7 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SE 10 | SE 10 | SSW 9 | SSE 10 | SSE 10 |
| kJ | 15 | 34 | 33 | 31 | 17 | 21 | 13 | 30 | 47 | 111 | 105 | 76 | 96 | 66 | 106 | 59 | 58 | 43 | 42 | 130 | 100 | 16 | 20 | 64 |
Swell 3 Height (m) Direction Period (s) | ESE 10 | ESE 10 | E 10 | E 9 | SE 9 | E 9 | E 10 | E 10 | SE 9 | S 8 | S 8 | E 16 | S 7 | E 9 | E 9 | SSE 7 | — | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SE 10 | SSW 9 | SSW 9 |
| kJ | 18 | 18 | 16 | 16 | 14 | 7 | 7 | 7 | 12 | 60 | 63 | 5 | 27 | 2 | 2 | 5 | — | 86 | 67 | 30 | 16 | 4 | 8 | 8 |
Wind waves Height (m) Direction Period (s) | NE 3 | NE 3 | NE 3 | NE 3 | NNE 4 | NNE 5 | NE 6 | NE 5 | NE 5 | NE 4 | NNE 4 | NNE 4 | NNE 4 | NNE 4 | NNE 3 | NE 3 | NE 3 | NE 3 | NE 3 | NNE 4 | — | E 10 | E 10 | NNE 4 |
| kJ | 2 | 3 | 5 | 9 | 29 | 81 | 278 | 93 | 25 | 17 | 21 | 21 | 19 | 12 | 5 | 2 | 2 | 2 | 5 | 4 | — | 2309 | 2850 | 9 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 43 | 43 | 43 | 43 | 0 | 0 | 0 | 43 | 43 | 43 | 0 | 22 | 0 | 0 | 0 | 43 | 57 | 0 | 43 | 0 |
Best forecast wave conditions in Shikoku | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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