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Surf Forecasts:
Choshi surfForecast / Chiba / Japan
48hr Weather and Surf, issued 2 am Thursday 07 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
17.9° C
(Which is 1.5°C colder than average for this time of year)How big are the waves at Choshi today?
The current surf forecast for Choshi at 5AM is: 0.9m 6s primary swell from a Southeast direction and 0.4m 10s secondary swell from a East-southeast direction (forecast issued at 02:00am May 07). An open ocean swell of 0.1m 7s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 May) | 2.5ft (0.8m) | 6s |
| Afternoon (07 May) | 2.5ft (0.8m) | 6s |
| Evening (07 May) | 3ft (0.9m) | 7s |
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 Thu morning. Warm (max 22°C on Fri morning, min 16°C on Fri night). Winds decreasing (strong winds from the SSW on Fri afternoon, light winds from the NNW by Sat morning). | ||||||||||||||||||||||||
Thursday 7 | Friday 8 | Saturday 9 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
SSE 5 | SSE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SSE 6 | SSE 7 | S 6 | S 6 | SSE 6 | ESE 10 | S 6 | S 6 | S 6 | S 7 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | SE 10 | SE 11 | |
55 | 55 | 47 | 40 | 40 | 45 | 69 | 77 | 100 | 98 | 66 | 60 | 64 | 160 | 261 | 311 | 283 | 212 | 161 | 144 | 68 | 42 | 69 | 55 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross-on | cross | cross | cross | cross | cross-off | cross-off | off | off | off | cross-off | cross-off | |
High Tide | 5:39AM1.20m | 8:46PM0.98m | 6:13AM1.15m | 9:56PM0.95m | 6:59AM1.09m | |||||||||||||||||||
Low Tide | 00:23AM0.82m | 1:12PM0.11m | 00:59AM0.85m | 1:59PM0.18m | 1:52AM0.87m | 2:56PM0.26m | ||||||||||||||||||
 |  |  |  |  | | | | | | | | | | | |  | |  | | | | | | |
 | — | 4:39 | — | — | — | — | — | — | — | 4:37 | — | — | — | — | — | — | — | 4:37 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:27 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:29 | — |
1 | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 18 | 18 | 19 | 19 | 19 | 20 | 19 | 19 | 19 | 19 | 19 | 21 | 22 | 22 | 21 | 21 | 20 | 19 | 16 | 18 | 21 | 20 | 19 | 17 |
16 | 17 | 19 | 19 | 20 | 21 | 18 | 16 | 16 | 17 | 18 | 19 | 19 | 17 | 14 | 14 | 13 | 14 | 13 | 16 | 14 | 15 | 15 | 10 | |
Swell 1 Height (m) Direction Period (s) | ESE 10 | ESE 10 | ESE 10 | SE 6 | SE 6 | SE 6 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | S 8 | S 8 | S 8 | S 8 | S 8 | SE 10 | SE 11 |
 kJ | 31 | 38 | 33 | 40 | 33 | 45 | 58 | 58 | 59 | 59 | 59 | 60 | 60 | 62 | 63 | 62 | 62 | 212 | 161 | 144 | 68 | 41 | 69 | 55 |
Swell 2 Height (m) Direction Period (s) | NE 8 | NE 7 | NE 7 | ESE 10 | ESE 10 | ESE 10 | E 11 | E 11 | E 12 | E 12 | E 11 | E 11 | E 11 | E 11 | E 11 | E 11 | — | ESE 10 | ESE 10 | NE 5 | NE 4 | ESE 10 | S 4 | S 4 |
| kJ | 2 | 2 | 2 | 34 | 40 | 40 | 2 | 2 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | — | 42 | 40 | 18 | 10 | 42 | 4 | 4 |
Swell 3 Height (m) Direction Period (s) | E 12 | E 11 | E 11 | NE 12 | E 11 | E 11 | NE 11 | — | — | — | NE 11 | — | — | — | — | — | — | NE 11 | — | ESE 10 | ESE 10 | NE 4 | NNE 4 | NNE 4 |
| kJ | 3 | 3 | 3 | 5 | 3 | 2 | 5 | — | — | — | 5 | — | — | — | — | — | — | 5 | — | 41 | 40 | 6 | 3 | 2 |
Wind waves Height (m) Direction Period (s) | SSE 5 | SSE 6 | SE 6 | — | — | — | SSE 6 | SSE 7 | S 6 | S 6 | SSE 6 | S 6 | S 6 | S 6 | S 6 | S 7 | S 8 | NNE 3 | NE 4 | — | — | — | ENE 5 | N 4 |
| kJ | 55 | 55 | 47 | — | — | — | 69 | 77 | 100 | 98 | 66 | 47 | 64 | 160 | 261 | 311 | 283 | 4 | 34 | — | — | — | 2 | 9 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 203 | 203 | 112 | 55 | 37 | 37 | 37 | 0 | 52 | 147 | 147 | 135 | 147 | 135 | 591 | 610 | 264 | 609 | 609 | 130 | 37 | 71 | 37 | 37 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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