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Choshi surfForecast / Chiba / Japan
48hr Weather and Surf, issued 2 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 6AM is: 0.4m 9s primary swell from a East-southeast direction and 0.8m 4s secondary swell from a South-southeast direction (forecast issued at 02:00am May 06). An open ocean swell of 0.1m 5s 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) | 3ft (0.9m) | 5s |
Table - waves today at Choshi. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Wed night. Warm (max 22°C on Fri morning, min 17°C on Wed afternoon). Winds increasing (calm on Thu morning, strong winds from the SW by Fri night). | ||||||||||||||||||||||||
Wednesday 6 | Thursday 7 | Friday 8 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
ESE 10 | SE 10 | ESE 9 | ESE 9 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SE 6 | SE 6 | SE 6 | SE 6 | SE 7 | SE 7 | SSE 7 | SSE 7 | SSE 7 | S 7 | S 7 | SSE 7 | S 7 | S 7 | S 7 | |
36 | 44 | 35 | 34 | 34 | 34 | 41 | 42 | 51 | 64 | 69 | 51 | 43 | 77 | 67 | 61 | 70 | 66 | 131 | 149 | 60 | 104 | 145 | 232 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | glassy | on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | |
High Tide | 5:08AM1.23m | 7:53PM1.02m | 5:39AM1.20m | 8:46PM0.98m | 6:13AM1.15m | |||||||||||||||||||
Low Tide | 11:51PM0.78m | 12:32PM0.05m | 00:23AM0.82m | 1:12PM0.11m | 00:59AM0.85m | 1:59PM0.18m | ||||||||||||||||||
 |  |  |  | | | | |  | | | | | | | |  | |  | | | | | | |
 | — | 4:39 | — | — | — | — | — | — | — | 4:39 | — | — | — | — | — | — | — | 4:37 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:25 | — | — | — | — | — | — | — | 6:27 | — | — | — | — | — | — | — | 6:28 | — |
— | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 17 | 17 | 17 | 18 | 18 | 18 | 17 | 18 | 18 | 18 | 18 | 19 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 21 | 22 | 22 | 21 | 21 |
12 | 13 | 13 | 14 | 14 | 14 | 14 | 16 | 17 | 18 | 19 | 20 | 20 | 20 | 17 | 18 | 18 | 17 | 17 | 19 | 18 | 17 | 16 | 14 | |
Swell 1 Height (m) Direction Period (s) | ESE 10 | SE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | SE 6 | SE 6 | SE 6 | SE 7 | SE 7 | SSE 7 | ESE 10 | ESE 10 | SSE 7 | SSE 6 | ESE 10 | ESE 10 | ESE 10 | ESE 10 |
 kJ | 36 | 44 | 35 | 34 | 34 | 34 | 33 | 34 | 31 | 20 | 69 | 51 | 43 | 77 | 67 | 61 | 58 | 58 | 60 | 48 | 60 | 63 | 63 | 62 |
Swell 2 Height (m) Direction Period (s) | NE 5 | NE 5 | NE 5 | NE 7 | NE 6 | NE 6 | NE 6 | NE 8 | NE 8 | NE 7 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | E 12 | E 12 | ESE 10 | ESE 10 | E 11 | E 11 | E 11 | E 11 |
| kJ | 1 | 1 | 1 | 2 | 2 | 1 | 1 | 3 | 2 | 2 | 33 | 34 | 40 | 39 | 57 | 58 | 3 | 3 | 59 | 59 | 2 | 2 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | NE 10 | NE 9 | N 9 | — | — | — | — | — | E 12 | E 11 | NE 7 | NE 12 | E 11 | E 11 | E 11 | E 11 | — | — | E 11 | E 11 | — | — | — | — |
| kJ | 4 | 3 | 2 | — | — | — | — | — | 3 | 3 | 2 | 5 | 3 | 2 | 2 | 2 | — | — | 3 | 2 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SE 6 | — | — | — | — | — | — | SSE 7 | SSE 7 | S 7 | S 7 | SSE 7 | S 7 | S 7 | S 7 |
| kJ | 24 | 24 | 25 | 26 | 25 | 34 | 41 | 42 | 51 | 64 | — | — | — | — | — | — | 70 | 66 | 131 | 149 | 60 | 104 | 145 | 232 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 206 | 266 | 55 | 56 | 56 | 203 | 203 | 55 | 52 | 52 | 37 | 0 | 56 | 55 | 56 | 159 | 159 | 159 | 159 | 135 | 591 | 350 | 591 | 609 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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