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Choshi surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 am Monday 04 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
17.0° C
(Which is 2.1°C colder than average for this time of year)How big are the waves at Choshi today?
The current surf forecast for Choshi at 2PM is: 2.2m 9s primary swell from a South direction and 0.3m 10s secondary swell from a East-southeast direction (forecast issued at 08:00am May 04). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 May) | 8ft (2.5m) | 9s |
| Afternoon (04 May) | 7ft (2.2m) | 9s |
| Evening (04 May) | 4.5ft (1.3m) | 9s |
Table - waves today at Choshi. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 4mm), mostly falling on Wed night. Warm (max 23°C on Mon afternoon, min 13°C on Mon night). Winds decreasing (near gales from the SSW on Mon morning, light winds from the ENE by Tue morning). | ||||||||||||||||||||||||
Monday 4 | Tuesday 5 | Wednesday 6 | Thu 7 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
S 8 | S 9 | S 10 | S 9 | SSW 9 | SSE 9 | SSE 8 | SSE 8 | SSE 7 | SSE 8 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | SSE 5 | ESE 9 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SE 5 | |
789 | 977 | 1048 | 792 | 2002 | 258 | 151 | 90 | 43 | 34 | 18 | 31 | 37 | 37 | 36 | 35 | 35 | 34 | 33 | 33 | 37 | 62 | 47 | 38 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | |
High Tide | 4:15AM1.27m | 6:29PM1.09m | 4:41AM1.26m | 7:09PM1.06m | 5:08AM1.23m | 7:53PM1.02m | ||||||||||||||||||
Low Tide | 11:25AM-0.04m | 11:21PM0.74m | 11:57AM-0.01m | 11:51PM0.78m | 12:32PM0.05m | 00:23AM0.82m | ||||||||||||||||||
 | |  | | |  | |  | |  | | | | |  | | | | | | | | |  | |
 | 4:41 | — | — | — | — | — | — | 4:41 | — | — | — | — | — | — | — | 4:39 | — | — | — | — | — | — | — | 4:39 |
 | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:25 | — | — | 6:27 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | |
Temp °C | 21 | 22 | 22 | 23 | 21 | 17 | 16 | 13 | 13 | 14 | 15 | 15 | 16 | 16 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 17 | 18 | 17 |
12 | 14 | 14 | 15 | 14 | 13 | 9 | 5 | 5 | 9 | 11 | 10 | 10 | 11 | 13 | 13 | 13 | 15 | 14 | 15 | 15 | 14 | 17 | 16 | |
Swell 1 Height (m) Direction Period (s) | ESE 10 | ESE 10 | ESE 10 | ESE 10 | S 9 | SSE 9 | SSE 8 | SSE 8 | SSE 7 | SSE 8 | SSE 7 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 |
 kJ | 31 | 31 | 32 | 19 | 554 | 258 | 151 | 90 | 43 | 34 | 18 | 31 | 37 | 37 | 36 | 35 | 35 | 34 | 33 | 33 | 33 | 28 | 31 | 32 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | ESE 10 | ESE 10 | ESE 11 | ESE 10 | ESE 10 | NE 6 | ESE 10 | NE 4 | NNE 4 | NE 4 | NE 10 | NE 10 | NE 9 | NE 7 | NE 7 | NE 6 | NE 6 | NE 12 | NE 12 | NE 11 |
| kJ | — | — | — | — | 20 | 20 | 22 | 20 | 39 | 18 | 18 | 4 | 1 | 1 | 4 | 4 | 3 | 2 | 2 | 2 | 1 | 5 | 5 | 5 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | N 4 | — | — | — | S 10 | ESE 10 | NE 6 | NE 6 | N 6 | NE 11 | NE 5 | NE 5 | — | — | — | — | E 12 | — | NE 12 | NE 11 |
| kJ | — | — | — | — | 1 | — | — | — | 32 | 20 | 5 | 2 | 1 | 5 | 1 | 1 | — | — | — | — | 3 | — | 5 | 5 |
Wind waves Height (m) Direction Period (s) | S 8 | S 9 | S 10 | S 9 | SSW 9 | NE 5 | NE 5 | NNE 4 | NNE 6 | N 4 | NNE 4 | SSE 7 | SSE 3 | SSE 4 | SSE 4 | SSE 4 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SE 5 |
| kJ | 789 | 977 | 1048 | 792 | 2002 | 76 | 30 | 21 | 68 | 15 | 8 | 20 | 8 | 23 | 24 | 32 | 28 | 19 | 28 | 25 | 37 | 62 | 47 | 38 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 609 | 591 | 591 | 877 | 631 | 37 | 609 | 147 | 128 | 117 | 112 | 56 | 56 | 56 | 56 | 112 | 52 | 56 | 56 | 56 | 203 | 56 | 112 | 125 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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