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Choshi surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 am Wednesday 29 Apr 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
18.0° C
(Which is slightly cooler than normal)How big are the waves at Choshi today?
The current surf forecast for Choshi at 3PM is: 0.9m 5s primary swell from a Northeast direction and 0.5m 7s secondary swell from a South direction, 0.3m 9s secondary swell from a East-southeast direction (forecast issued at 08:00am April 29). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Apr) | 4ft (1.2m) | 5s |
| Afternoon (29 Apr) | 3ft (0.9m) | 5s |
| Evening (29 Apr) | 3.5ft (1.0m) | 4s |
Table - waves today at Choshi. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 41mm), heaviest during Fri morning. Warm (max 20°C on Fri morning, min 13°C on Wed afternoon). Winds increasing (light winds from the ESE on Thu afternoon, strong winds from the SSW by Fri morning). | ||||||||||||||||||||||||
Wednesday 29 | Thursday 30 | Friday 1 | Sat 2 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
S 7 | NE 5 | NE 5 | NE 5 | ENE 4 | ENE 4 | ENE 4 | ENE 4 | ENE 4 | ENE 4 | ENE 5 | E 5 | ESE 8 | SE 5 | ESE 5 | ESE 6 | SE 6 | SE 8 | SE 9 | SE 9 | SSE 9 | SSE 9 | S 9 | S 10 | |
59 | 73 | 49 | 32 | 31 | 35 | 32 | 30 | 32 | 32 | 28 | 21 | 13 | 17 | 42 | 119 | 223 | 631 | 861 | 921 | 1733 | 612 | 372 | 360 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | cross-on | cross | cross | cross | cross-off | cross | |
High Tide | 3:11PM1.08m | 2:40AM1.17m | 3:55PM1.12m | 3:02AM1.23m | 4:36PM1.13m | |||||||||||||||||||
Low Tide | 8:50AM0.28m | 8:47PM0.50m | 9:22AM0.14m | 9:19PM0.55m | 9:53AM0.04m | 9:50PM0.60m | ||||||||||||||||||
 | |  | | |  | | | | | | | |  | | |  | | | | |  | |  | |
 | 4:48 | — | — | — | — | — | — | 4:47 | — | — | — | — | — | — | — | 4:45 | — | — | — | — | — | — | — | 4:43 |
 | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:21 | — | — | — | — | — | — | — | 6:22 | — | — | 6:22 |
1 | 1 | — | — | 2 | 3 | 3 | 1 | — | — | — | — | — | — | 1 | 2 | 7 | 9 | 7 | — | — | 1 | 1 | 3 | |
Temp °C | 15 | 15 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 15 | 15 | 15 | 15 | 17 | 17 | 20 | 19 | 18 | 18 | 14 | 15 |
12 | 10 | 9 | 10 | 7 | 8 | 9 | 9 | 8 | 8 | 10 | 10 | 11 | 11 | 11 | 9 | 12 | 11 | 15 | 16 | 15 | 12 | 6 | 9 | |
Swell 1 Height (m) Direction Period (s) | S 7 | S 7 | S 7 | S 7 | SSE 6 | SSE 6 | ESE 9 | ESE 8 | SE 8 | SE 8 | ESE 8 | E 5 | ENE 5 | ENE 4 | ENE 8 | ENE 8 | ENE 13 | ENE 13 | ENE 13 | SE 9 | SE 9 | ESE 10 | S 9 | ESE 10 |
 kJ | 59 | 47 | 36 | 24 | 13 | 12 | 15 | 28 | 17 | 16 | 14 | 21 | 8 | 8 | 6 | 6 | 17 | 17 | 16 | 921 | 798 | 288 | 372 | 218 |
Swell 2 Height (m) Direction Period (s) | S 13 | S 13 | ESE 9 | ESE 9 | — | — | SSE 6 | S 6 | SE 8 | SE 8 | ENE 8 | ESE 8 | ESE 8 | E 8 | NE 14 | ENE 13 | NE 8 | E 10 | NE 10 | NE 12 | NE 12 | NE 12 | ESE 10 | ENE 11 |
| kJ | 4 | 3 | 15 | 15 | — | — | 6 | 3 | 3 | 3 | 6 | 14 | 13 | 12 | 7 | 17 | 3 | 2 | 4 | 23 | 23 | 22 | 269 | 13 |
Swell 3 Height (m) Direction Period (s) | SE 11 | S 13 | S 13 | — | SE 11 | SE 11 | — | S 12 | S 12 | — | SE 9 | ENE 8 | ENE 8 | ENE 8 | E 11 | — | E 10 | NE 10 | NE 10 | — | — | — | ENE 12 | NE 11 |
| kJ | 5 | 3 | 3 | — | 5 | 5 | — | 3 | 3 | — | 3 | 6 | 6 | 6 | 3 | — | 2 | 4 | 4 | — | — | — | 13 | 20 |
Wind waves Height (m) Direction Period (s) | NE 5 | NE 5 | NE 5 | NE 5 | ENE 4 | ENE 4 | ENE 4 | ENE 4 | ENE 4 | ENE 4 | ENE 5 | — | SE 4 | SE 5 | ESE 5 | ESE 6 | SE 6 | SE 8 | SE 9 | S 9 | SSE 9 | SSE 9 | W 3 | S 10 |
| kJ | 35 | 73 | 49 | 32 | 31 | 35 | 32 | 30 | 32 | 32 | 28 | — | 10 | 17 | 42 | 119 | 223 | 631 | 861 | 759 | 1733 | 612 | 14 | 360 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 37 | 57 | 115 | 170 | 1014 | 1059 | 266 | 1059 | 1059 | 1059 | 125 | 117 | 610 | 877 | 877 | 687 | 591 | 174 | 55 | 55 | 135 | 609 | 112 | 55 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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