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Choshi surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 pm Saturday 02 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
17.7° C
(Which is 1.3°C colder than average for this time of year)How big are the waves at Choshi today?
The current surf forecast for Choshi at 2AM is: 0.9m 10s primary swell from a East-southeast direction and 0.2m 11s secondary swell from a East-northeast direction (forecast issued at 08:00pm May 02). An open ocean swell of 0.2m 3s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (03 May) | 2.5ft (0.8m) | 10s |
| Afternoon (03 May) | 2ft (0.6m) | 10s |
| Evening (03 May) | 5ft (1.6m) | 6s |
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 Sun night. Warm (max 22°C on Mon morning, min 13°C on Mon night). Winds decreasing (gales from the SSW on Sun night, calm by Tue morning). | ||||||||||||||||||||||||
Sat 2 | Sunday 3 | Monday 4 | Tuesday 5 | |||||||||||||||||||||
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 | 6 AM | 9 AM | 12 PM | 3 PM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | S 6 | S 6 | S 6 | S 7 | S 8 | S 9 | S 9 | S 9 | S 9 | S 9 | S 8 | SSE 8 | SSE 8 | SSE 7 | SSE 7 | ESE 10 | |
112 | 98 | 100 | 168 | 107 | 107 | 96 | 71 | 134 | 163 | 232 | 493 | 746 | 1028 | 963 | 822 | 735 | 435 | 177 | 104 | 62 | 31 | 30 | 32 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | glassy | cross-on | on | |
High Tide | 5:14PM1.13m | 3:49AM1.28m | 5:51PM1.12m | 4:15AM1.27m | 6:29PM1.09m | 4:41AM1.26m | ||||||||||||||||||
Low Tide | 10:21PM0.65m | 10:54AM-0.05m | 10:51PM0.70m | 11:25AM-0.04m | 11:21PM0.74m | 11:57AM-0.01m | ||||||||||||||||||
 |  |  | |  | | |  | |  | | |  | | | | | | | | | | | | |
 | — | — | — | 4:43 | — | — | — | — | — | — | — | 4:41 | — | — | — | — | — | — | — | 4:41 | — | — | — | — |
 | 6:22 | — | — | — | — | — | — | — | 6:23 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | 6:24 |
— | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 21 | 20 | 19 | 19 | 19 | 20 | 21 | 20 | 20 | 19 | 19 | 20 | 21 | 21 | 22 | 21 | 21 | 20 | 16 | 13 | 13 | 15 | 16 | 17 |
19 | 18 | 17 | 16 | 17 | 21 | 19 | 14 | 14 | 12 | 11 | 12 | 12 | 15 | 15 | 12 | 11 | 14 | 9 | 6 | 8 | 12 | 12 | 12 | |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | E 10 | ESE 10 | E 10 | E 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | S 9 | S 8 | SSE 8 | SSE 8 | SSE 7 | SSE 7 | SSE 7 |
 kJ | 103 | 98 | 100 | 168 | 107 | 107 | 96 | 71 | 71 | 46 | 51 | 47 | 48 | 31 | 32 | 19 | 20 | 435 | 177 | 104 | 62 | 31 | 30 | 17 |
Swell 2 Height (m) Direction Period (s) | S 5 | S 5 | SSE 7 | ENE 11 | SSE 4 | SE 4 | SE 4 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | — | — | — | — | — | ESE 10 | NE 4 | ESE 10 | NE 6 | N 5 | ESE 10 | ESE 10 |
| kJ | 19 | 12 | 31 | 11 | 6 | 11 | 16 | 4 | 4 | 4 | 4 | 4 | — | — | — | — | — | 20 | 16 | 34 | 9 | 11 | 19 | 32 |
Swell 3 Height (m) Direction Period (s) | S 11 | ENE 11 | NE 11 | NNE 4 | NE 10 | NE 10 | NE 10 | N 9 | N 8 | N 8 | — | — | — | — | — | — | — | — | ESE 10 | N 10 | ESE 10 | NE 6 | NE 6 | NE 4 |
| kJ | 9 | 12 | 5 | 5 | 4 | 4 | 4 | 6 | 1 | 1 | — | — | — | — | — | — | — | — | 21 | 2 | 20 | 13 | 5 | 4 |
Wind waves Height (m) Direction Period (s) | S 7 | — | — | NNE 3 | NE 4 | — | SSE 5 | S 5 | S 6 | S 6 | S 6 | S 7 | S 8 | S 9 | S 9 | S 9 | S 9 | NNE 4 | — | NNE 4 | N 4 | — | NNE 4 | — |
| kJ | 112 | — | — | 1 | 2 | — | 38 | 66 | 134 | 163 | 232 | 493 | 746 | 1028 | 963 | 822 | 735 | 7 | — | 16 | 10 | — | 8 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 52 | 56 | 71 | 117 | 115 | 52 | 264 | 1056 | 1056 | 877 | 613 | 610 | 610 | 631 | 613 | 627 | 631 | 135 | 76 | 71 | 37 | 37 | 56 | 170 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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