Surf Forecasts:
How big are the waves at Choshi today (19 Sep):
- Morning surf: Morning surf (19 Sep, local time) - 7.5ft (2.3m), 15s period with SE swell.
- Afternoon surf: Afternoon surf (19 Sep, local time) - 7ft (2.1m), 14s period with SE swell.
- Evening surf: Evening surf (19 Sep, local time) - 8ft (2.5m), 13s period with ESE swell.
The current surf forecast for Choshi at 1AM is: 1.1m 14s primary swell from a Southeast direction and 0.1m 22s secondary swell from a South direction (forecast issued at 08:00pm September 18). An open ocean swell of 1.8m 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 (19 Sep) | 7.5ft (2.3m) | 15s |
| Afternoon (19 Sep) | 7ft (2.1m) | 14s |
| Evening (19 Sep) | 8ft (2.5m) | 13s |
Table - waves today at Choshi. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 158mm), heaviest during Sun morning. Warm (max 26°C on Mon morning, min 20°C on Sun morning). Winds increasing (light winds from the NE on Sat night, near gales from the NNE by Mon afternoon). | ||||||||||||||||||
Fri 18 | Saturday 19 | Sunday 20 | ||||||||||||||||
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 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 12 | ESE 11 | ESE 11 | ESE 11 | ESE 11 |
Wave Graph  | ||||||||||||||||||
 kJ | 34 | 160 | 416 | 642 | 2160 | 2238 | 2090 | 1615 | 1999 | 1944 | 1553 | 1361 | 1379 | 1235 | 1114 | 1006 | 1011 | 1054 |
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 | cross | cross | cross | cross | cross-off | cross | cross-on |
High Tide | 6:45PM1.40m | 7:11PM1.33m | 7:53PM1.25m | |||||||||||||||
Low Tide | 2:50AM0.53m | 4:17AM0.58m | ||||||||||||||||
 | | | |  | | | | | | |  |  |  |  | |  |  | |
 | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 5:38 | — | — | — | — | — | — | — | 5:37 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 10 | 28 | 21 | 9 | 13 |
Temp °C | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 23 | 22 | 20 | 21 | 22 | 23 | 23 |
Feels °C | 17 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 20 | 22 | 22 | 24 | 22 | 18 | 19 | 21 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | E 11 | 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 12 | ESE 11 | ESE 11 | ESE 11 | ESE 11 |
| kJ | 22 | 160 | 416 | 642 | 2160 | 2238 | 2090 | 1615 | 1999 | 1944 | 1553 | 1361 | 1379 | 1235 | 1114 | 1006 | 1011 | 1054 |
Swell 2 Height (m) Direction Period (s) | SE 15 | E 11 | S 22 | SE 18 | E 10 | E 10 | E 10 | E 9 | E 10 | E 10 | E 10 | NE 9 | NE 8 | NE 8 | ENE 9 | E 13 | E 13 | E 12 |
| kJ | 34 | 38 | 9 | 206 | 32 | 98 | 125 | 205 | 158 | 158 | 158 | 13 | 102 | 74 | 90 | 31 | 29 | 27 |
Swell 3 Height (m) Direction Period (s) | SE 11 | — | SE 21 | E 10 | — | — | — | — | — | E 10 | E 10 | E 10 | E 10 | E 10 | E 13 | — | E 13 | E 12 |
| kJ | 5 | — | 18 | 34 | — | — | — | — | — | 190 | 148 | 125 | 94 | 96 | 29 | — | 50 | 98 |
Wind waves Height (m) Direction Period (s) | NE 8 | NE 8 | ENE 8 | NE 7 | NE 7 | ENE 7 | ENE 9 | NE 7 | NE 8 | NNE 9 | NE 9 | — | — | — | NE 8 | NE 9 | ENE 9 | — |
| kJ | 490 | 427 | 393 | 349 | 309 | 302 | 386 | 91 | 57 | 233 | 174 | — | — | — | 69 | 237 | 103 | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 609 | 591 | 591 | 350 | 350 | 609 | 674 | 591 | 117 | 117 | 610 | 117 | 117 | 674 | 687 | 674 | 674 | 674 |
Best forecast wave conditions in Chiba | ||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||
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