Surf Forecasts:
How big are the waves at Choshi today (18 Sep):
- Afternoon surf: Afternoon surf (18 Sep, local time) - 7ft (2.1m), 8s period with ENE swell.
- Evening surf: Evening surf (18 Sep, local time) - 2ft (0.6m), 14s period with SE swell.
The current surf forecast for Choshi at 6PM is: 0.3m 15s primary swell from a Southeast direction and 0.3m 11s secondary swell from a East direction (forecast issued at 02:00pm September 18). An open ocean swell of 2.0m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | - | - |
| Afternoon (18 Sep) | 7ft (2.1m) | 8s |
| Evening (18 Sep) | 2ft (0.6m) | 14s |
Table - waves today at Choshi. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 122mm), heaviest during Sun afternoon. Warm (max 26°C on Mon morning, min 21°C on Fri afternoon). Winds decreasing (strong winds from the NNE on Fri afternoon, light winds from the NE by Sat night). | ||||||||||||||||||||
Fri 18 | Saturday 19 | Sunday 20 | ||||||||||||||||||
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) | E 11 | ENE 8 | SE 15 | SE 14 | SE 14 | SE 13 | SE 16 | SE 15 | SE 14 | SE 14 | ESE 13 | ESE 13 | ESE 12 | ESE 12 | ESE 12 | SE 11 | ESE 11 | SE 11 | ESE 11 | ESE 11 |
Wave Graph  | ||||||||||||||||||||
 kJ | 9 | 531 | 34 | 160 | 416 | 642 | 2160 | 2238 | 2090 | 1719 | 2265 | 1913 | 1496 | 1338 | 1355 | 1695 | 1043 | 875 | 1216 | 1027 |
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 | cross-off | cross | cross-on | cross | cross | cross | cross-off | cross |
High Tide | 9:23AM1.07m | 6:45PM1.40m | 7:11PM1.33m | 7:53PM1.25m | ||||||||||||||||
Low Tide | 12:30PM1.04m | 2:50AM0.53m | 4:17AM0.58m | |||||||||||||||||
 | |  | | | | | |  | |  | | | |  |  | | |  | | |
 | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — |
 | — | 5:40 | — | — | — | — | — | — | — | 5:38 | — | — | — | — | — | — | — | 5:37 | — | — |
mm | — | — | — | — | — | — | — | — | 1 | — | 1 | 1 | 1 | 2 | 9 | 14 | 11 | 16 | 18 | 12 |
Temp °C | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 23 | 24 | 23 | 22 | 22 | 21 | 21 | 22 | 22 |
Feels °C | 16 | 16 | 17 | 17 | 18 | 18 | 18 | 18 | 20 | 20 | 21 | 23 | 26 | 25 | 22 | 21 | 19 | 19 | 20 | 19 |
Swell 1 Height (m) Direction Period (s) | E 11 | E 11 | E 11 | SE 14 | SE 14 | SE 13 | SE 16 | SE 15 | SE 14 | SE 14 | ESE 13 | ESE 13 | ESE 12 | ESE 12 | NE 8 | SE 11 | ESE 11 | SE 11 | ESE 11 | SSE 14 |
| kJ | 9 | 21 | 22 | 160 | 416 | 642 | 2160 | 2238 | 2090 | 1719 | 2265 | 1913 | 1496 | 1338 | 86 | 1695 | 1043 | 875 | 1216 | 269 |
Swell 2 Height (m) Direction Period (s) | SE 12 | SE 13 | SE 15 | E 11 | S 22 | SE 18 | E 10 | E 10 | E 9 | E 9 | E 10 | NNE 8 | NE 9 | NE 9 | E 14 | NE 8 | E 9 | E 13 | E 13 | E 13 |
| kJ | 6 | 6 | 34 | 37 | 9 | 206 | 31 | 98 | 142 | 139 | 158 | 188 | 21 | 29 | 15 | 57 | 85 | 31 | 31 | 29 |
Swell 3 Height (m) Direction Period (s) | SE 12 | SE 11 | SE 11 | — | SE 21 | E 10 | — | — | — | — | E 10 | E 10 | E 10 | E 10 | NE 8 | E 13 | E 13 | — | E 13 | E 12 |
| kJ | 6 | 5 | 5 | — | 18 | 35 | — | — | — | — | 158 | 125 | 122 | 125 | 43 | 32 | 30 | — | 50 | 139 |
Wind waves Height (m) Direction Period (s) | NE 8 | ENE 8 | ENE 8 | NE 8 | ENE 8 | NE 8 | NE 7 | ENE 7 | NE 6 | NE 6 | NNE 8 | NE 9 | — | — | ESE 12 | ESE 11 | NNE 8 | NE 4 | NE 5 | ESE 11 |
| kJ | 558 | 531 | 477 | 427 | 356 | 326 | 247 | 243 | 134 | 87 | 235 | 110 | — | — | 1355 | 1134 | 86 | 32 | 124 | 1027 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 350 | 613 | 609 | 609 | 609 | 350 | 350 | 591 | 674 | 122 | 117 | 117 | 71 | 71 | 117 | 674 | 674 | 674 | 674 | 632 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
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