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Surf Forecasts:
Choshi surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 am Friday 22 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
20.0° C
(Which is slightly cooler than normal)How big are the waves at Choshi today?
The current surf forecast for Choshi at 1PM is: 0.4m 7s primary swell from a South-southeast direction (forecast issued at 08:00am May 22). An open ocean swell of 2.4m 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 (22 May) | 6.5ft (2.0m) | 7s |
| Afternoon (22 May) | 1ft (0.3m) | 7s |
| Evening (22 May) | 8ft (2.5m) | 9s |
Table - waves today at Choshi. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 15mm), heaviest on Fri morning. Warm (max 20°C on Sun night, min 15°C on Fri afternoon). Winds decreasing (near gales from the NNE on Fri afternoon, calm by Sun night). | ||||||||||||||||||||||||
Friday 22 | Saturday 23 | Sunday 24 | Mon 25 | |||||||||||||||||||||
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 7 | ENE 7 | ENE 7 | SSE 7 | SSE 7 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | E 9 | ENE 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ENE 9 | ESE 9 | ESE 8 | ESE 8 | E 11 | |
294 | 412 | 542 | 10 | 9 | 1060 | 829 | 848 | 820 | 729 | 567 | 813 | 431 | 564 | 334 | 375 | 380 | 380 | 235 | 326 | 311 | 277 | 264 | 274 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross-on | on | on | cross-on | cross-on | on | on | on | on | on | cross-on | |
High Tide | 6:23AM1.19m | 9:57PM1.01m | 7:26AM1.07m | 10:48PM1.00m | 9:02AM0.96m | 11:30PM1.02m | ||||||||||||||||||
Low Tide | 2:16PM0.11m | 2:21AM0.86m | 3:13PM0.26m | 4:03AM0.79m | 4:16PM0.40m | |||||||||||||||||||
 | |  | | |  | |  |  |  | | | | | | | | | | | |  | |  | |
 | 4:26 | — | — | — | — | — | — | 4:26 | — | — | — | — | — | — | — | 4:26 | — | — | — | — | — | — | — | 4:24 |
 | — | — | — | — | 6:38 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:40 | — | — | 6:40 |
3 | 2 | 6 | 3 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | |
Temp °C | 18 | 18 | 17 | 15 | 15 | 15 | 16 | 15 | 15 | 15 | 15 | 16 | 17 | 18 | 19 | 19 | 18 | 18 | 18 | 19 | 19 | 19 | 20 | 20 |
14 | 13 | 9 | 5 | 6 | 7 | 10 | 8 | 9 | 9 | 10 | 12 | 14 | 16 | 16 | 17 | 15 | 15 | 15 | 16 | 16 | 17 | 19 | 20 | |
Swell 1 Height (m) Direction Period (s) | S 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSW 7 | S 9 | S 7 | S 7 | S 7 | S 7 | ENE 9 | E 9 | ENE 9 | E 9 | NE 10 | NE 10 | E 9 | E 9 | ENE 9 | ESE 9 | ESE 8 | ESE 8 | E 11 |
 kJ | 28 | 17 | 18 | 10 | 9 | 16 | 2 | 15 | 15 | 8 | 8 | 813 | 431 | 564 | 334 | 4 | 4 | 380 | 235 | 326 | 311 | 277 | 264 | 274 |
Swell 2 Height (m) Direction Period (s) | ESE 10 | ESE 10 | — | — | — | S 9 | S 9 | — | — | — | SSE 8 | S 7 | S 7 | S 7 | S 7 | NE 10 | NE 10 | NE 10 | ESE 10 | ESE 10 | ESE 10 | SE 7 | SE 7 | SE 7 |
| kJ | 56 | 38 | — | — | — | 6 | 6 | — | — | — | 6 | 8 | 8 | 8 | 8 | 16 | 15 | 14 | 10 | 10 | 11 | 114 | 121 | 60 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | SE 8 | — | NE 11 | NE 10 | SE 8 | SSW 6 | SW 8 | — | ESE 10 | ESE 11 | E 11 | ESE 11 | ESE 11 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 2 | — | 18 | 16 | 2 | 4 | 2 | — | 10 | 11 | 64 | 12 | 12 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | NE 8 | NE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | E 9 | — | E 9 | — | E 9 | E 9 | E 9 | SE 6 | ESE 9 | SSE 6 | — | — | — |
| kJ | 294 | 412 | 542 | 836 | 958 | 1060 | 829 | 848 | 820 | 729 | 567 | 495 | — | 383 | — | 375 | 380 | 332 | 32 | 326 | 88 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 609 | 86 | 266 | 627 | 266 | 266 | 609 | 674 | 920 | 1007 | 117 | 674 | 674 | 1007 | 56 | 121 | 117 | 170 | 122 | 170 | 117 | 56 | 56 | 37 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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