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Choshi surfForecast / Chiba / Japan
48hr Weather and Surf, issued 2 pm Thursday 30 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
17.9° C
(Which is 1.0°C colder than average for this time of year)How big are the waves at Choshi today?
The current surf forecast for Choshi at 8PM is: 1.0m 5s primary swell from a East-southeast direction and 0.2m 8s secondary swell from a East-northeast direction, 0.1m 13s secondary swell from a East direction (forecast issued at 02:00pm April 30). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Apr) | - | - |
| Afternoon (30 Apr) | 2.5ft (0.7m) | 5s |
| Evening (30 Apr) | 3.5ft (1.0m) | 5s |
Table - waves today at Choshi. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 29mm), heaviest during Fri morning. Warm (max 23°C on Sat afternoon, min 15°C on Thu afternoon). Winds decreasing (strong winds from the SE on Fri morning, light winds from the SSW by Sat afternoon). | ||||||||||||||||||||||||
Thu 30 | Friday 1 | Saturday 2 | Sun 3 | |||||||||||||||||||||
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 | 6 AM | 9 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ENE 5 | E 5 | E 5 | ESE 5 | ESE 5 | SE 6 | SE 7 | SE 8 | SE 9 | SSE 9 | SSE 9 | SSE 9 | S 8 | S 10 | S 11 | ESE 9 | SE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | |
35 | 21 | 20 | 40 | 86 | 195 | 317 | 760 | 987 | 1921 | 974 | 951 | 356 | 268 | 248 | 98 | 162 | 103 | 88 | 94 | 169 | 148 | 145 | 81 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | on | on | on | on | on | cross | cross | cross | cross | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross | on | cross-on | cross-on | on | cross-on | |
High Tide | 3:55PM1.12m | 3:02AM1.23m | 4:36PM1.13m | 3:25AM1.26m | 5:14PM1.13m | 3:49AM1.28m | ||||||||||||||||||
Low Tide | 9:22AM0.14m | 9:19PM0.55m | 9:53AM0.04m | 9:50PM0.60m | 10:24AM-0.02m | 10:21PM0.65m | ||||||||||||||||||
 | | |  |  | |  |  |  | |  |  | | | | | | | | |  | |  | | |
 | — | — | — | — | — | 4:45 | — | — | — | — | — | — | — | 4:43 | — | — | — | — | — | — | — | 4:43 | — | — |
 | — | — | 6:21 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | 6:23 |
— | — | — | — | 1 | 2 | 3 | 10 | 12 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 15 | 15 | 16 | 17 | 16 | 17 | 17 | 17 | 19 | 17 | 19 | 18 | 16 | 15 | 16 | 18 | 22 | 23 | 21 | 19 | 18 | 18 | 19 | 20 |
10 | 11 | 12 | 12 | 11 | 12 | 11 | 10 | 15 | 13 | 13 | 10 | 11 | 11 | 10 | 13 | 18 | 18 | 19 | 17 | 14 | 14 | 16 | 18 | |
Swell 1 Height (m) Direction Period (s) | SE 9 | ESE 8 | ESE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 13 | NE 8 | ENE 13 | SE 9 | NE 12 | ENE 12 | S 8 | S 10 | S 11 | ESE 9 | SE 9 | ESE 9 | ESE 9 | ESE 10 | SSE 5 | ESE 10 | ESE 10 | ESE 10 |
 kJ | 3 | 14 | 13 | 6 | 6 | 6 | 17 | 3 | 16 | 872 | 23 | 14 | 356 | 268 | 248 | 98 | 162 | 103 | 88 | 94 | 7 | 148 | 145 | 81 |
Swell 2 Height (m) Direction Period (s) | — | ENE 8 | ENE 8 | E 13 | NE 13 | ENE 13 | NE 8 | NE 8 | NE 10 | ENE 12 | — | NE 12 | ESE 9 | ESE 10 | ESE 9 | S 11 | S 11 | S 11 | S 5 | S 5 | NNE 4 | NNE 4 | ENE 11 | SE 4 |
| kJ | — | 6 | 6 | 4 | 7 | 17 | 2 | 10 | 4 | 15 | — | 50 | 212 | 175 | 136 | 89 | 39 | 21 | 25 | 12 | 2 | 3 | 11 | 11 |
Swell 3 Height (m) Direction Period (s) | SSE 6 | SE 9 | SE 9 | E 11 | E 11 | — | NE 10 | NE 10 | — | — | — | — | ENE 12 | ENE 11 | ENE 11 | S 8 | ENE 11 | ENE 11 | SSE 8 | SSE 8 | N 4 | NE 11 | NNE 4 | ENE 10 |
| kJ | 4 | 3 | 3 | 2 | 2 | — | 4 | 4 | — | — | — | — | 13 | 13 | 12 | 29 | 12 | 12 | 11 | 11 | 6 | 5 | 3 | 11 |
Wind waves Height (m) Direction Period (s) | ENE 5 | E 5 | E 5 | ESE 5 | ESE 5 | SE 6 | SE 7 | SE 8 | SE 9 | SSE 9 | SSE 9 | SSE 9 | W 4 | WNW 3 | W 3 | W 3 | W 3 | SSW 5 | SSW 6 | — | ESE 10 | E 3 | — | SSE 5 |
| kJ | 35 | 21 | 20 | 40 | 86 | 195 | 317 | 760 | 987 | 1921 | 974 | 951 | 10 | 1 | 5 | 5 | 3 | 27 | 65 | — | 169 | 1 | — | 27 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 117 | 117 | 916 | 976 | 877 | 117 | 613 | 137 | 55 | 613 | 609 | 609 | 609 | 609 | 37 | 37 | 0 | 257 | 52 | 55 | 117 | 115 | 56 | 52 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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