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Choshi surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 am Wednesday 06 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
17.2° C
(Which is 2.1°C colder than average for this time of year)How big are the waves at Choshi today?
The current surf forecast for Choshi at 1PM is: 0.9m 5s primary swell from a South-southeast direction and 0.4m 9s secondary swell from a East-southeast direction (forecast issued at 08:00am May 06). An open ocean swell of 0.1m 6s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 May) | 1.5ft (0.4m) | 9s |
| Afternoon (06 May) | 3ft (0.9m) | 5s |
| Evening (06 May) | 3.5ft (1.1m) | 5s |
Table - waves today at Choshi. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Wed night. Warm (max 22°C on Fri morning, min 17°C on Wed afternoon). Winds increasing (calm on Wed night, strong winds from the SW by Fri afternoon). | ||||||||||||||||||||||||
Wednesday 6 | Thursday 7 | Friday 8 | Sat 9 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
ESE 9 | ESE 9 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 7 | ESE 10 | SSE 7 | SSE 7 | SSE 6 | SSE 7 | ESE 10 | ESE 10 | S 6 | S 7 | S 8 | S 8 | SSW 8 | |
35 | 34 | 39 | 42 | 53 | 64 | 98 | 54 | 47 | 39 | 43 | 77 | 78 | 66 | 70 | 60 | 73 | 60 | 83 | 166 | 290 | 399 | 363 | 954 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | glassy | glassy | glassy | cross-on | cross-on | cross | cross | cross | cross | cross | cross-on | cross | cross | cross | cross | cross | |
High Tide | 5:08AM1.23m | 7:53PM1.02m | 5:39AM1.20m | 8:46PM0.98m | 6:13AM1.15m | 9:56PM0.95m | ||||||||||||||||||
Low Tide | 12:32PM0.05m | 00:23AM0.82m | 1:12PM0.11m | 00:59AM0.85m | 1:59PM0.18m | 1:52AM0.87m | ||||||||||||||||||
 |  | | | |  |  | | | | |  | |  |  | | | | | | | | | | |
 | 4:39 | — | — | — | — | — | — | 4:39 | — | — | — | — | — | — | — | 4:37 | — | — | — | — | — | — | — | 4:37 |
 | — | — | — | — | 6:25 | — | — | — | — | — | — | — | 6:27 | — | — | — | — | — | — | — | 6:28 | — | — | 6:29 |
— | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 18 | 18 | 18 | 17 | 17 | 17 | 18 | 17 | 17 | 18 | 19 | 20 | 19 | 19 | 20 | 19 | 19 | 21 | 22 | 22 | 21 | 21 | 19 | 19 |
14 | 13 | 14 | 13 | 14 | 15 | 18 | 18 | 18 | 19 | 20 | 20 | 18 | 18 | 19 | 16 | 17 | 19 | 18 | 17 | 15 | 14 | 13 | 15 | |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | SSE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 7 | ESE 10 | SSE 7 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 11 | ESE 10 | S 8 |
 kJ | 35 | 34 | 34 | 29 | 33 | 29 | 53 | 54 | 47 | 39 | 43 | 77 | 78 | 66 | 58 | 59 | 59 | 60 | 83 | 59 | 41 | 64 | 42 | 291 |
Swell 2 Height (m) Direction Period (s) | NE 5 | NE 7 | NE 6 | NE 6 | NE 6 | NE 8 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | E 11 | ESE 10 | E 12 | E 12 | E 11 | E 11 | E 11 | E 11 | E 11 | E 11 | — | ESE 10 |
| kJ | 1 | 2 | 2 | 1 | 1 | 3 | 31 | 33 | 33 | 34 | 40 | 39 | 2 | 58 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | — | 41 |
Swell 3 Height (m) Direction Period (s) | N 9 | — | — | — | — | N 6 | NE 8 | NE 7 | NE 7 | NE 12 | E 11 | E 11 | NE 11 | E 11 | NE 11 | — | NE 11 | — | — | — | — | — | — | — |
| kJ | 2 | — | — | — | — | 1 | 2 | 2 | 2 | 5 | 3 | 2 | 5 | 2 | 5 | — | 5 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 4 | SSE 4 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 6 | — | — | — | — | — | SSE 7 | — | SSE 7 | SSE 6 | SSE 7 | SSE 6 | SSE 6 | S 6 | S 7 | S 8 | S 8 | SSW 8 |
| kJ | 19 | 28 | 39 | 42 | 53 | 64 | 98 | — | — | — | — | — | 61 | — | 70 | 60 | 73 | 51 | 64 | 166 | 290 | 399 | 363 | 954 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 56 | 56 | 56 | 203 | 205 | 56 | 52 | 52 | 0 | 0 | 0 | 55 | 207 | 159 | 135 | 135 | 135 | 350 | 591 | 350 | 591 | 609 | 609 | 135 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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