Surf Forecasts:
How big are the waves at Choshi today (20 Aug):
- Afternoon surf: Afternoon surf (20 Aug, local time) - 1.5ft (0.4m), 11s period with SE swell.
- Evening surf: Evening surf (20 Aug, local time) - 1.5ft (0.4m), 11s period with SE swell.
The current surf forecast for Choshi at 9PM is: 0.5m 8s primary swell from a East direction and 0.4m 11s secondary swell from a Southeast direction, 0.4m 3s secondary swell from a South direction (forecast issued at 02:00pm August 20). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | - | - |
| Afternoon (20 Aug) | 1.5ft (0.4m) | 11s |
| Evening (20 Aug) | 1.5ft (0.4m) | 11s |
Table - waves today at Choshi. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 14mm), heaviest on Sat night. Warm (max 27°C on Thu afternoon, min 23°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | ||||||||||||||||||
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) | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | ESE 11 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 | E 11 | E 11 | E 11 | E 11 | E 11 | E 10 |
Wave Graph  | ||||||||||||||||||||
 kJ | 31 | 31 | 31 | 36 | 35 | 35 | 30 | 44 | 82 | 57 | 78 | 74 | 71 | 98 | 149 | 188 | 188 | 185 | 188 | 168 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross-on | cross | glassy | off |
High Tide | 9:48AM1.00m | 7:46PM1.39m | 8:19PM1.35m | |||||||||||||||||
Low Tide | 1:17PM0.95m | 3:57AM0.54m | 5:36AM0.54m | |||||||||||||||||
 | | |  | | | | | |  | |  | | | | | | | | | |
 | — | — | — | — | — | 4:58 | — | — | — | — | — | — | — | 5:00 | — | — | — | — | — | — |
 | — | — | 6:21 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:17 | — |
mm | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | — | — | 1 | 1 | 1 | 1 | 1 | 3 |
Temp °C | 27 | 27 | 26 | 26 | 26 | 26 | 25 | 26 | 27 | 27 | 26 | 26 | 26 | 25 | 25 | 27 | 27 | 27 | 25 | 24 |
Feels °C | 29 | 28 | 27 | 27 | 28 | 29 | 28 | 28 | 28 | 27 | 27 | 28 | 28 | 27 | 27 | 29 | 29 | 31 | 30 | 28 |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 | ESE 8 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 | E 11 | E 11 | E 11 | E 11 | E 11 | E 10 |
| kJ | 24 | 24 | 23 | 36 | 35 | 35 | 22 | 40 | 82 | 57 | 78 | 74 | 71 | 98 | 149 | 188 | 188 | 185 | 188 | 168 |
Swell 2 Height (m) Direction Period (s) | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SSE 4 | ESE 11 | E 15 | E 15 | E 15 | S 8 | S 8 | S 10 | S 10 | S 5 | SSE 5 | SSE 5 | SSE 5 | SSE 5 |
| kJ | 31 | 31 | 31 | 30 | 30 | 30 | 8 | 44 | 4 | 4 | 4 | 5 | 6 | 7 | 8 | 11 | 19 | 20 | 14 | 13 |
Swell 3 Height (m) Direction Period (s) | S 9 | S 9 | SE 6 | S 9 | S 8 | S 8 | SE 11 | S 9 | SE 5 | ENE 8 | ENE 8 | E 15 | SE 11 | E 13 | SE 10 | S 9 | S 9 | S 9 | S 9 | S 9 |
| kJ | 2 | 2 | 5 | 1 | 1 | 5 | 30 | 6 | 1 | 11 | 6 | 17 | 30 | 50 | 39 | 7 | 6 | 6 | 6 | 6 |
Wind waves Height (m) Direction Period (s) | SE 6 | SE 5 | SSE 3 | S 3 | S 3 | S 3 | S 4 | SSW 3 | S 3 | S 4 | S 4 | S 4 | S 4 | S 4 | S 4 | S 5 | S 5 | S 5 | NNE 3 | NE 3 |
| kJ | 11 | 14 | 3 | 3 | 3 | 2 | 10 | 2 | 7 | 19 | 22 | 12 | 9 | 10 | 10 | 28 | 42 | 33 | 1 | 3 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 56 | 55 | 52 | 52 | 52 | 52 | 52 | 52 | 56 | 56 | 207 | 147 | 206 | 159 | 52 | 52 | 52 | 52 | 0 | 0 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
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