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Surf Forecasts:
Choshi surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 am Saturday 23 May 2026 JSTForecast update in hr min s Forecast update imminent
Choshi surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Choshi sea temperature is
20.2° C
(Which is normal for this time of year)How big are the waves at Choshi today?
The current surf forecast for Choshi at 4PM is: 2.1m 9s primary swell from a East-northeast direction and 0.3m 7s secondary swell from a South direction, 1.6m 9s secondary swell from a East direction (forecast issued at 08:00am May 23). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 May) | 6.5ft (2.0m) | 9s |
| Afternoon (23 May) | 7ft (2.2m) | 9s |
| Evening (23 May) | 4.5ft (1.4m) | 9s |
Table - waves today at Choshi. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 21°C on Mon morning, min 14°C on Sat morning). Winds decreasing (fresh winds from the NE on Sat morning, calm by Mon night). | ||||||||||||||||||||||||
Saturday 23 | Sunday 24 | Monday 25 | Tue 26 | |||||||||||||||||||||
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 | 12 AM | 3 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ENE 9 | ESE 9 | ESE 9 | E 9 | E 9 | E 11 | E 11 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 | E 10 | |
770 | 659 | 579 | 770 | 659 | 325 | 320 | 276 | 274 | 388 | 391 | 333 | 289 | 198 | 198 | 269 | 274 | 279 | 274 | 264 | 259 | 210 | 214 | 218 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross | cross | cross | cross | cross-on | on | on | on | on | on | on | on | on | on | cross-on | cross-on | on | on | on | on | cross-on | glassy | |
High Tide | 7:26AM1.07m | 10:48PM1.00m | 9:02AM0.96m | 11:30PM1.02m | 11:17AM0.90m | 00:05AM1.05m | ||||||||||||||||||
Low Tide | 3:13PM0.26m | 4:03AM0.79m | 4:16PM0.40m | 5:46AM0.66m | 5:20PM0.52m | |||||||||||||||||||
 | | | | |  | |  |  | | | | | |  | |  | | | | | | | | |
 | 4:26 | — | — | — | — | — | — | 4:26 | — | — | — | — | — | — | — | 4:24 | — | — | — | — | — | — | — | 4:24 |
 | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:40 | — | — | — | — | — | — | — | 6:40 | — | — | 6:42 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 14 | 14 | 15 | 16 | 17 | 18 | 19 | 19 | 19 | 19 | 19 | 20 | 19 | 19 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 20 | 20 | 20 |
8 | 8 | 10 | 12 | 13 | 15 | 17 | 17 | 16 | 16 | 16 | 18 | 17 | 18 | 19 | 20 | 21 | 20 | 20 | 20 | 20 | 20 | 21 | 22 | |
Swell 1 Height (m) Direction Period (s) | SSW 7 | S 7 | S 7 | ENE 9 | ENE 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ENE 9 | ESE 9 | ESE 9 | E 9 | E 9 | E 11 | E 11 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 | E 10 |
 kJ | 11 | 9 | 8 | 770 | 659 | 325 | 320 | 276 | 274 | 388 | 391 | 333 | 289 | 198 | 198 | 269 | 274 | 279 | 274 | 264 | 259 | 210 | 214 | 218 |
Swell 2 Height (m) Direction Period (s) | — | — | — | S 7 | S 7 | SSE 7 | S 6 | NE 10 | NE 10 | NE 10 | ESE 10 | ESE 10 | ESE 11 | ESE 11 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 |
| kJ | — | — | — | 8 | 4 | 9 | 7 | 4 | 4 | 14 | 10 | 10 | 12 | 11 | 77 | 79 | 84 | 102 | 91 | 94 | 99 | 101 | 88 | 88 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | SSE 8 | — | NE 10 | S 6 | — | — | — | — | — | E 16 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | SE 11 | S 9 | — | SSW 8 | S 7 |
| kJ | — | — | — | — | 6 | — | 16 | 7 | — | — | — | — | — | 5 | 12 | 12 | 12 | 12 | 11 | 5 | 2 | — | 6 | 1 |
Wind waves Height (m) Direction Period (s) | ENE 9 | ENE 9 | ENE 9 | E 9 | E 9 | — | — | — | SE 6 | E 9 | ESE 9 | SSE 6 | SSE 6 | SE 6 | — | — | — | — | — | — | — | — | — | — |
| kJ | 770 | 659 | 579 | 495 | 431 | — | — | — | 33 | 332 | 340 | 59 | 65 | 47 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 877 | 1007 | 117 | 117 | 117 | 674 | 62 | 56 | 56 | 266 | 117 | 117 | 56 | 56 | 56 | 71 | 37 | 71 | 56 | 56 | 56 | 56 | 37 | 0 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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