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Choshi surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 am Saturday 25 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
17.5° C
(Which is slightly cooler than normal)How big are the waves at Choshi today?
The current surf forecast for Choshi at 12PM is: 1.1m 6s primary swell from a East direction and 0.3m 8s secondary swell from a South-southeast direction (forecast issued at 08:00am April 25). An open ocean swell of 0.7m 13s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Apr) | 4.5ft (1.4m) | 13s |
| Afternoon (25 Apr) | 3.5ft (1.1m) | 6s |
| Evening (25 Apr) | 2.5ft (0.7m) | 16s |
Table - waves today at Choshi. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 30mm), heaviest during Mon morning. Very mild (max 17°C on Sun afternoon, min 13°C on Sat morning). Mainly strong winds. | ||||||||||||||||||||||||
Saturday 25 | Sunday 26 | Monday 27 | Tue 28 | |||||||||||||||||||||
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 14 | ENE 13 | E 6 | E 6 | E 7 | ENE 16 | ENE 15 | ENE 15 | ENE 14 | ENE 14 | ENE 14 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 12 | SE 6 | E 6 | E 7 | E 7 | E 7 | E 7 | |
825 | 663 | 100 | 104 | 103 | 217 | 387 | 372 | 357 | 307 | 290 | 229 | 273 | 269 | 219 | 192 | 186 | 99 | 37 | 76 | 89 | 92 | 94 | 81 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 8:13AM0.98m | 1:23AM0.98m | 11:21AM0.91m | 1:42AM1.01m | 1:13PM0.96m | 2:01AM1.06m | ||||||||||||||||||
Low Tide | 4:00AM0.93m | 5:10PM0.28m | 6:50AM0.79m | 6:28PM0.34m | 7:38AM0.62m | 7:26PM0.39m | ||||||||||||||||||
 | | | |  |  | | |  | | | | |  | |  |  |  | | |  | | | | |
 | 4:52 | — | — | — | — | — | — | 4:50 | — | — | — | — | — | — | — | 4:50 | — | — | — | — | — | — | — | 4:48 |
 | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:19 | — | — | 6:20 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 7 | 12 | 6 | — | 1 | — | — | — | |
Temp °C | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 15 | 16 | 17 | 16 | 17 | 17 | 16 | 16 | 15 | 14 | 13 | 14 | 14 | 15 | 14 |
7 | 7 | 7 | 8 | 9 | 10 | 10 | 10 | 12 | 12 | 12 | 13 | 13 | 14 | 15 | 13 | 11 | 7 | 6 | 8 | 12 | 12 | 13 | 11 | |
Swell 1 Height (m) Direction Period (s) | SSE 8 | SSE 8 | NE 13 | NE 13 | NE 12 | E 7 | ENE 15 | ENE 15 | ENE 14 | ENE 14 | ENE 14 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | SE 6 | ESE 6 | SE 6 | E 6 | E 7 | E 7 | E 7 | E 7 |
 kJ | 20 | 12 | 175 | 172 | 159 | 85 | 387 | 372 | 357 | 307 | 290 | 229 | 273 | 269 | 219 | 192 | 34 | 58 | 37 | 76 | 89 | 92 | 94 | 81 |
Swell 2 Height (m) Direction Period (s) | S 8 | S 8 | SSE 8 | NE 17 | ENE 16 | ENE 16 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | — | — | SE 6 | SE 6 | — | ENE 12 | NE 12 | ENE 12 | ENE 12 | NE 12 | NE 11 | NE 11 |
| kJ | 46 | 43 | 11 | 71 | 103 | 217 | 61 | 44 | 42 | 33 | 33 | 43 | — | — | 32 | 33 | — | 99 | 71 | 56 | 55 | 35 | 33 | 31 |
Swell 3 Height (m) Direction Period (s) | ESE 12 | ESE 12 | SE 11 | SSE 7 | SSE 7 | ENE 12 | ESE 11 | ESE 11 | SE 13 | NE 8 | SE 11 | SE 13 | SE 11 | ESE 13 | — | — | ESE 12 | ENE 7 | ENE 7 | E 9 | SE 12 | E 12 | E 12 | S 7 |
| kJ | 14 | 14 | 5 | 5 | 5 | 94 | 12 | 12 | 7 | 2 | 5 | 7 | 5 | 17 | — | — | 14 | 10 | 9 | 6 | 6 | 3 | 3 | 4 |
Wind waves Height (m) Direction Period (s) | ENE 14 | ENE 13 | E 6 | E 6 | E 7 | E 7 | — | — | — | — | SE 5 | — | ESE 6 | SE 6 | SE 6 | — | ENE 13 | NE 4 | NE 4 | NE 5 | — | — | — | — |
| kJ | 825 | 663 | 100 | 104 | 86 | 131 | — | — | — | — | 18 | — | 20 | 31 | 56 | — | 186 | 10 | 16 | 73 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 591 | 591 | 125 | 170 | 877 | 170 | 71 | 71 | 71 | 56 | 56 | 694 | 56 | 56 | 610 | 610 | 115 | 266 | 206 | 71 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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