Surf Forecasts:
How big are the waves at Choshi today (21 Sep):
- Afternoon surf: Afternoon surf (21 Sep, local time) - 16ft (5.0m), 13s period with SSE swell.
- Evening surf: Evening surf (21 Sep, local time) - 13ft (4.0m), 14s period with SE swell.
The current surf forecast for Choshi at 7PM is: 3.0m 13s primary swell from a South-southeast direction and 2.0m 10s secondary swell from a East direction (forecast issued at 02:00pm September 21). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | - | - |
| Afternoon (21 Sep) | 16ft (5.0m) | 13s |
| Evening (21 Sep) | 13ft (4.0m) | 14s |
Table - waves today at Choshi. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 116mm), heaviest during Mon afternoon. Warm (max 26°C on Mon afternoon, min 22°C on Tue night). Mainly near gales. | ||||||||||||||||||||
Mon 21 | Tuesday 22 | Wednesday 23 | ||||||||||||||||||
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 13 | SSE 13 | SSE 13 | SE 14 | SSE 13 | SSE 12 | ESE 10 | SE 10 | SSE 9 | SSE 9 | SSE 8 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 |
Wave Graph  | ||||||||||||||||||||
 kJ | 2963 | 8343 | 3113 | 5502 | 3172 | 997 | 442 | 216 | 176 | 168 | 126 | 117 | 157 | 190 | 186 | 186 | 194 | 190 | 172 | 154 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | cross | cross-off | off | glassy | on | cross-on | cross | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross-on |
High Tide | 3:00PM1.24m | 10:29PM1.19m | 3:02PM1.29m | 00:42AM1.24m | 3:14PM1.33m | |||||||||||||||
Low Tide | 7:22PM1.16m | 7:19AM0.52m | 8:01PM1.06m | 8:05AM0.47m | 8:31PM0.94m | |||||||||||||||
 | |  | | |  |  |  | |  |  | | | | | | | | |  | |
 | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — |
 | — | 5:36 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:32 | — | — |
mm | 4 | 16 | 51 | 35 | 13 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 25 | 26 | 26 | 24 | 24 | 24 | 25 | 25 | 24 | 24 | 24 | 23 | 22 | 22 | 22 | 22 | 22 | 23 | 24 |
Feels °C | 27 | 23 | 25 | 24 | 18 | 22 | 27 | 28 | 26 | 24 | 25 | 24 | 22 | 20 | 20 | 20 | 20 | 20 | 22 | 24 |
Swell 1 Height (m) Direction Period (s) | E 10 | SSE 13 | SSE 13 | SE 14 | SSE 13 | ESE 10 | ESE 10 | SE 10 | SSE 9 | SSE 9 | NE 8 | ENE 8 | SSE 8 | SE 8 | SSE 7 | SSE 7 | SE 7 | SE 7 | ENE 9 | ENE 9 |
| kJ | 130 | 8343 | 3113 | 5502 | 3172 | 696 | 442 | 216 | 176 | 168 | 135 | 117 | 82 | 59 | 37 | 35 | 23 | 22 | 172 | 154 |
Swell 2 Height (m) Direction Period (s) | E 15 | — | — | — | E 10 | SSE 12 | NE 7 | E 9 | NE 8 | NE 8 | SSE 8 | SE 8 | ENE 9 | — | SSE 10 | SE 9 | SE 9 | NE 9 | SE 6 | SE 6 |
| kJ | 4 | — | — | — | 697 | 997 | 82 | 166 | 94 | 125 | 126 | 98 | 8 | — | 9 | 3 | 3 | 86 | 19 | 18 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | NE 7 | NNE 7 | SSE 11 | NE 7 | E 9 | E 9 | E 9 | E 9 | — | — | SSE 9 | SE 9 | E 10 | S 7 | SE 9 | SE 9 |
| kJ | — | — | — | — | 73 | 105 | 164 | 60 | 80 | 40 | 27 | 15 | — | — | 9 | 3 | 8 | 34 | 3 | 3 |
Wind waves Height (m) Direction Period (s) | SE 13 | SE 13 | E 10 | — | NNE 6 | N 7 | WNW 3 | — | — | — | — | — | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | — | SE 6 |
| kJ | 2963 | 3619 | 761 | — | 165 | 452 | 2 | — | — | — | — | — | 157 | 190 | 186 | 186 | 194 | 190 | — | 51 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 632 | 631 | 610 | 206 | 123 | 37 | 0 | 37 | 56 | 115 | 128 | 117 | 117 | 307 | 644 | 963 | 1542 | 1542 | 1092 | 307 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
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