Surf Forecasts:
How big are the waves at Choshi today (17 Sep):
- Morning surf: Morning surf (17 Sep, local time) - 6ft (1.8m), 7s period with ENE swell.
- Afternoon surf: Afternoon surf (17 Sep, local time) - 1.5ft (0.4m), 11s period with E swell.
- Evening surf: Evening surf (17 Sep, local time) - 1.5ft (0.5m), 11s period with E swell.
The current surf forecast for Choshi at 6AM is: 1.9m 6s primary swell from a East-northeast direction and 0.7m 12s secondary swell from a East direction, 0.5m 8s secondary swell from a Southeast direction (forecast issued at 02:00am September 17). The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | 6ft (1.8m) | 7s |
| Afternoon (17 Sep) | 1.5ft (0.4m) | 11s |
| Evening (17 Sep) | 1.5ft (0.5m) | 11s |
Table - waves today at Choshi. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 14mm), heaviest on Sat night. Warm (max 25°C on Sat night, min 20°C on Thu morning). Winds decreasing (strong winds from the NNE on Fri morning, light winds from the NE by Sat night). | ||||||||||||||||||||||||
Thursday 17 | Friday 18 | Saturday 19 | ||||||||||||||||||||||
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) | ENE 6 | ENE 6 | ENE 6 | ENE 7 | E 11 | E 11 | E 11 | E 11 | E 12 | E 12 | E 12 | E 12 | E 11 | SE 7 | SE 16 | SE 14 | SE 14 | SE 13 | SE 16 | ESE 15 | ESE 14 | ESE 13 | ESE 13 | ESE 13 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 155 | 164 | 268 | 315 | 64 | 40 | 40 | 64 | 69 | 69 | 69 | 65 | 60 | 26 | 85 | 167 | 357 | 623 | 2133 | 3887 | 3023 | 3162 | 3259 | 3088 |
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 | cross-off | cross-off | cross-off |
High Tide | 8:03AM1.15m | 6:22PM1.46m | 9:23AM1.07m | 6:45PM1.40m | 7:11PM1.33m | |||||||||||||||||||
Low Tide | 1:12AM0.39m | 12:30PM0.96m | 1:54AM0.45m | 12:30PM1.04m | 2:50AM0.53m | |||||||||||||||||||
 | |  | |  |  |  |  | | | | | | | | | | | | | | | | | |
 | — | 5:20 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:42 | — | — | — | — | — | — | — | 5:40 | — | — | — | — | — | — | — | 5:38 | — | — |
mm | 3 | 2 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | — | — | — |
Temp °C | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 22 | 23 |
Feels °C | 19 | 18 | 15 | 16 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 17 | 17 | 19 | 20 | 20 | 20 | 20 | 21 | 23 | 22 | 20 | 22 |
Swell 1 Height (m) Direction Period (s) | E 12 | E 12 | E 12 | E 15 | E 11 | E 11 | E 11 | E 11 | E 12 | E 12 | E 12 | E 12 | E 11 | SE 12 | ESE 16 | SE 14 | SE 14 | SE 13 | SE 16 | ESE 15 | ESE 14 | ESE 13 | ESE 13 | ESE 13 |
| kJ | 103 | 102 | 139 | 4 | 64 | 40 | 40 | 64 | 69 | 69 | 69 | 65 | 60 | 5 | 24 | 167 | 357 | 623 | 2133 | 3887 | 3023 | 3162 | 3259 | 3088 |
Swell 2 Height (m) Direction Period (s) | E 16 | SE 8 | SE 8 | SE 8 | SE 7 | E 14 | E 13 | SE 9 | SSE 9 | — | SE 8 | SE 12 | SE 12 | SE 7 | SE 11 | E 11 | E 11 | SE 18 | E 10 | E 10 | NNE 7 | NNE 7 | NNE 7 | NNE 8 |
| kJ | 5 | 51 | 28 | 29 | 19 | 14 | 14 | 3 | 8 | — | 9 | 6 | 6 | 26 | 5 | 38 | 35 | 113 | 31 | 98 | 236 | 175 | 123 | 114 |
Swell 3 Height (m) Direction Period (s) | E 16 | S 8 | ENE 15 | E 15 | SSE 9 | S 9 | SE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 8 | SE 12 | SE 11 | SE 16 | SE 7 | SE 20 | E 10 | — | — | E 10 | E 10 | E 10 | — |
| kJ | 5 | 1 | 21 | 17 | 7 | 2 | 3 | 8 | 8 | 8 | 7 | 7 | 6 | 20 | 85 | 30 | 15 | 35 | — | — | 125 | 196 | 200 | — |
Wind waves Height (m) Direction Period (s) | ENE 6 | ENE 6 | ENE 6 | ENE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | ENE 7 | NE 7 | NE 7 | NE 7 | — | — | — |
| kJ | 155 | 164 | 268 | 315 | 362 | 383 | 373 | 394 | 429 | 456 | 492 | 456 | 386 | 365 | 362 | 312 | 321 | 324 | 332 | 362 | 171 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 266 | 266 | 266 | 266 | 1007 | 266 | 266 | 266 | 609 | 591 | 591 | 591 | 674 | 350 | 613 | 591 | 350 | 350 | 266 | 350 | 631 | 631 | 610 | 610 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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