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Choshi surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 pm Friday 01 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 3AM is: 1.3m 10s primary swell from a South direction and 1.0m 10s secondary swell from a East-southeast direction (forecast issued at 08:00pm May 01). An open ocean swell of 0.9m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 May) | 3ft (0.9m) | 12s |
| Afternoon (02 May) | 2.5ft (0.8m) | 9s |
| Evening (02 May) | 3ft (0.9m) | 9s |
Table - waves today at Choshi. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 23°C on Sat morning, min 15°C on Fri night). Winds increasing (calm on Sat afternoon, near gales from the SSW by Mon morning). | ||||||||||||||||||||||||
Fri 1 | Saturday 2 | Sunday 3 | Monday 4 | |||||||||||||||||||||
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 |   |    |    |    | ||||||||||||||||||||
SSE 9 | S 9 | S 9 | S 10 | S 12 | S 12 | SE 9 | ESE 9 | ESE 9 | ESE 9 | SE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | S 5 | S 6 | S 6 | S 7 | S 8 | S 8 | S 9 | S 9 | |
1065 | 609 | 398 | 327 | 322 | 220 | 132 | 101 | 103 | 153 | 131 | 120 | 120 | 105 | 71 | 71 | 86 | 139 | 236 | 401 | 653 | 919 | 1056 | 810 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-off | cross-off | off | cross-off | cross-off | cross | glassy | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | |
High Tide | 4:36PM1.13m | 3:25AM1.26m | 5:14PM1.13m | 3:49AM1.28m | 5:51PM1.12m | 4:15AM1.27m | ||||||||||||||||||
Low Tide | 9:50PM0.60m | 10:24AM-0.02m | 10:21PM0.65m | 10:54AM-0.05m | 10:51PM0.70m | 11:25AM-0.04m | ||||||||||||||||||
 |  | | |  | | | | |  | |  |  | | | | | | | | | | | | |
 | — | — | — | 4:43 | — | — | — | — | — | — | — | 4:43 | — | — | — | — | — | — | — | 4:41 | — | — | — | — |
 | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:23 | — | — | — | — | — | — | 6:24 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 20 | 18 | 16 | 15 | 16 | 20 | 23 | 21 | 21 | 19 | 18 | 17 | 18 | 19 | 20 | 21 | 20 | 19 | 19 | 19 | 21 | 22 | 22 | 21 |
14 | 8 | 10 | 7 | 10 | 13 | 17 | 16 | 20 | 16 | 13 | 12 | 15 | 18 | 18 | 15 | 14 | 13 | 11 | 10 | 13 | 14 | 14 | 14 | |
Swell 1 Height (m) Direction Period (s) | ENE 12 | ESE 9 | S 9 | S 10 | S 12 | S 12 | SE 9 | ESE 9 | ESE 9 | SSE 5 | SE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | E 9 | E 10 | ESE 9 | ESE 10 | ESE 10 | ESE 10 |
 kJ | 14 | 287 | 398 | 327 | 322 | 220 | 132 | 101 | 103 | 8 | 131 | 120 | 120 | 105 | 71 | 71 | 71 | 50 | 45 | 46 | 29 | 32 | 34 | 20 |
Swell 2 Height (m) Direction Period (s) | — | ENE 12 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | S 11 | S 11 | S 5 | S 10 | NE 11 | NE 11 | NE 4 | ESE 4 | ESE 4 | ESE 5 | NE 10 | NE 10 | NE 10 | NE 10 | E 9 | — | — | — |
| kJ | — | 14 | 226 | 175 | 126 | 98 | 63 | 21 | 17 | 8 | 5 | 5 | 4 | 10 | 13 | 12 | 4 | 4 | 4 | 4 | 2 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | ENE 12 | S 12 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | S 11 | SW 10 | S 10 | S 9 | NE 10 | NE 10 | NE 10 | NE 10 | N 8 | N 7 | — | — | — | — | — | — |
| kJ | — | — | 14 | 76 | 12 | 12 | 12 | 12 | 9 | 26 | 8 | 2 | 4 | 4 | 4 | 4 | 5 | 1 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 9 | S 9 | W 4 | SW 4 | W 4 | W 4 | WSW 4 | S 5 | — | ESE 9 | ENE 3 | ENE 3 | SE 4 | — | — | S 3 | S 5 | S 6 | S 6 | S 7 | S 8 | S 8 | S 9 | S 9 |
| kJ | 1065 | 609 | 3 | 29 | 18 | 10 | 14 | 31 | — | 153 | 4 | 8 | 3 | — | — | 8 | 86 | 139 | 236 | 401 | 653 | 919 | 1056 | 810 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 609 | 609 | 609 | 591 | 74 | 74 | 656 | 56 | 0 | 71 | 71 | 203 | 62 | 56 | 56 | 1056 | 1056 | 1056 | 877 | 877 | 610 | 591 | 591 | 591 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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