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Choshi surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 am 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
17.9° 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 11AM is: 2.2m 9s primary swell from a South-southeast direction and 1.6m 9s secondary swell from a East-southeast direction, 0.2m 13s secondary swell from a East-northeast direction (forecast issued at 08:00am May 01). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 May) | 10ft (3.0m) | 8s |
| Afternoon (01 May) | 10ft (3.0m) | 9s |
| Evening (01 May) | 7ft (2.2m) | 9s |
Table - waves today at Choshi. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 35mm), heaviest during Fri morning. Warm (max 22°C on Sat morning, min 15°C on Fri night). Winds decreasing (near gales from the SSW on Fri morning, light winds from the SSE by Sat afternoon). | ||||||||||||||||||||||||
Friday 1 | Saturday 2 | Sunday 3 | Mon 4 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SE 7 | SE 8 | SSE 9 | SSE 9 | SSE 9 | S 9 | S 9 | S 10 | S 12 | S 12 | SE 9 | ESE 9 | ESE 9 | ESE 9 | SE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | S 5 | S 5 | S 6 | S 7 | |
400 | 970 | 761 | 1249 | 1102 | 775 | 509 | 440 | 336 | 224 | 132 | 88 | 103 | 108 | 128 | 117 | 120 | 72 | 71 | 71 | 86 | 113 | 204 | 278 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross | cross | cross | cross | |
High Tide | 3:02AM1.23m | 4:36PM1.13m | 3:25AM1.26m | 5:14PM1.13m | 3:49AM1.28m | 5:51PM1.12m | ||||||||||||||||||
Low Tide | 9:53AM0.04m | 9:50PM0.60m | 10:24AM-0.02m | 10:21PM0.65m | 10:54AM-0.05m | 10:51PM0.70m | ||||||||||||||||||
 |  | | |  |  | | | | | | | |  | | |  | |  | | | |  | | |
 | 4:45 | — | — | — | — | — | — | 4:43 | — | — | — | — | — | — | — | 4:43 | — | — | — | — | — | — | — | 4:41 |
 | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:23 | — | — | 6:24 |
3 | 11 | 22 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 17 | 17 | 19 | 20 | 20 | 18 | 15 | 15 | 16 | 19 | 22 | 22 | 20 | 19 | 18 | 17 | 18 | 19 | 20 | 20 | 20 | 19 | 19 | 19 |
11 | 9 | 11 | 13 | 13 | 7 | 7 | 7 | 9 | 13 | 15 | 18 | 19 | 16 | 13 | 12 | 15 | 18 | 19 | 14 | 14 | 13 | 12 | 12 | |
Swell 1 Height (m) Direction Period (s) | ENE 13 | ENE 13 | ESE 9 | ENE 12 | ENE 12 | ESE 10 | ESE 10 | S 10 | S 12 | S 12 | SE 9 | ESE 9 | ESE 9 | ESE 9 | SE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | E 10 | E 10 | E 9 |
 kJ | 17 | 17 | 358 | 15 | 14 | 163 | 226 | 440 | 336 | 224 | 132 | 88 | 103 | 108 | 128 | 117 | 120 | 72 | 71 | 71 | 72 | 47 | 46 | 45 |
Swell 2 Height (m) Direction Period (s) | NE 8 | NE 8 | ENE 13 | — | — | ENE 12 | ENE 12 | ESE 9 | ESE 9 | ESE 9 | S 11 | S 5 | S 5 | SSE 5 | S 10 | NE 11 | NE 4 | ESE 4 | ESE 4 | ESE 4 | NE 10 | NE 10 | NE 10 | E 10 |
| kJ | 2 | 11 | 16 | — | — | 14 | 13 | 124 | 98 | 90 | 39 | 23 | 17 | 9 | 8 | 5 | 5 | 10 | 13 | 6 | 4 | 4 | 4 | 2 |
Swell 3 Height (m) Direction Period (s) | NE 10 | ENE 10 | — | — | — | — | — | ENE 11 | ENE 11 | ENE 11 | ENE 11 | SSE 8 | S 11 | S 11 | NE 11 | S 9 | NE 11 | NE 10 | NE 10 | NE 10 | N 8 | N 7 | — | — |
| kJ | 4 | 10 | — | — | — | — | — | 13 | 12 | 12 | 12 | 20 | 9 | 9 | 5 | 7 | 4 | 4 | 4 | 4 | 5 | 1 | — | — |
Wind waves Height (m) Direction Period (s) | SE 7 | SE 8 | SSE 9 | SSE 9 | SSE 9 | S 9 | S 9 | WSW 4 | W 4 | W 4 | WSW 4 | W 4 | S 7 | — | ENE 3 | NE 4 | — | — | — | S 4 | S 5 | S 5 | S 6 | S 7 |
| kJ | 400 | 970 | 761 | 1249 | 1102 | 775 | 509 | 28 | 13 | 10 | 11 | 1 | 83 | — | 3 | 7 | — | — | — | 9 | 86 | 113 | 204 | 278 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 117 | 159 | 121 | 121 | 112 | 115 | 609 | 609 | 609 | 591 | 37 | 74 | 656 | 52 | 55 | 56 | 56 | 117 | 115 | 37 | 56 | 694 | 1056 | 916 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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