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Choshi surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 pm Tuesday 05 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
17.2° 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 11PM is: 0.4m 10s primary swell from a East-southeast direction and 0.8m 4s secondary swell from a South-southeast direction (forecast issued at 08:00pm May 05). An open ocean swell of 0.1m 4s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 May) | - | - |
| Afternoon (05 May) | - | - |
| Evening (05 May) | 1.5ft (0.4m) | 10s |
Table - waves today at Choshi. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 17mm), heaviest on Thu morning. Warm (max 22°C on Fri morning, min 16°C on Tue night). Winds increasing (calm on Thu afternoon, fresh winds from the SSW by Fri afternoon). | ||||||||||||||||||||||||
Tue 5 | Wednesday 6 | Thursday 7 | Friday 8 | |||||||||||||||||||||
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 |   |    |    |    | ||||||||||||||||||||
SE 10 | ESE 10 | ESE 10 | SE 10 | ESE 9 | ESE 9 | ESE 9 | SSE 5 | SSE 5 | SSE 5 | SE 5 | SE 6 | SE 6 | SE 6 | SE 6 | SE 7 | SE 7 | S 7 | SSE 7 | SSE 7 | ESE 10 | S 7 | SSW 7 | S 7 | |
90 | 36 | 36 | 44 | 35 | 34 | 34 | 33 | 33 | 33 | 39 | 54 | 58 | 49 | 42 | 61 | 91 | 210 | 75 | 80 | 90 | 138 | 171 | 131 | |
Wind (km/h) | ||||||||||||||||||||||||
on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | glassy | glassy | cross | cross-off | cross | cross-off | cross | cross | cross | |
High Tide | 7:09PM1.06m | 5:08AM1.23m | 7:53PM1.02m | 5:39AM1.20m | 8:46PM0.98m | 6:13AM1.15m | ||||||||||||||||||
Low Tide | 11:51PM0.78m | 12:32PM0.05m | 00:23AM0.82m | 1:12PM0.11m | 00:59AM0.85m | 1:59PM0.18m | ||||||||||||||||||
 |  |  |  |  | | | | | |  | |  | |  | | | | | | |  | | | |
 | — | — | — | 4:39 | — | — | — | — | — | — | — | 4:39 | — | — | — | — | — | — | — | 4:37 | — | — | — | — |
 | 6:24 | — | — | — | — | — | — | — | 6:25 | — | — | — | — | — | — | — | 6:27 | — | — | — | — | — | — | 6:28 |
— | — | — | — | — | — | — | — | — | — | 2 | 1 | 2 | 4 | 7 | 1 | — | — | — | — | — | — | — | — | |
Temp °C | 15 | 16 | 16 | 16 | 17 | 17 | 18 | 18 | 17 | 18 | 18 | 17 | 17 | 16 | 17 | 17 | 18 | 18 | 18 | 17 | 17 | 19 | 22 | 22 |
9 | 11 | 11 | 12 | 13 | 13 | 15 | 14 | 14 | 16 | 17 | 17 | 18 | 16 | 16 | 18 | 20 | 19 | 19 | 17 | 16 | 17 | 18 | 17 | |
Swell 1 Height (m) Direction Period (s) | NNE 4 | ESE 10 | ESE 10 | SE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | SE 6 | SE 6 | SE 6 | SE 6 | SE 7 | SE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | ESE 10 | S 7 | ESE 10 |
 kJ | 1 | 36 | 36 | 44 | 35 | 34 | 34 | 33 | 28 | 33 | 31 | 54 | 58 | 49 | 42 | 61 | 91 | 81 | 75 | 66 | 68 | 116 | 61 | 83 |
Swell 2 Height (m) Direction Period (s) | — | NE 4 | NE 5 | NE 5 | NE 5 | NE 7 | NE 6 | NE 6 | NE 6 | NE 8 | NE 8 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | S 7 | ESE 10 | E 11 |
| kJ | — | 1 | 1 | 1 | 1 | 2 | 2 | 1 | 1 | 3 | 2 | 20 | 20 | 34 | 40 | 40 | 40 | 40 | 58 | 80 | 90 | 47 | 92 | 2 |
Swell 3 Height (m) Direction Period (s) | SSW 8 | NE 11 | NE 10 | NE 9 | N 9 | — | — | — | — | — | — | NE 7 | NE 7 | E 12 | E 11 | E 11 | E 11 | E 11 | E 12 | E 12 | E 11 | E 11 | E 11 | — |
| kJ | 6 | 5 | 4 | 3 | 2 | — | — | — | — | — | — | 2 | 2 | 3 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 2 | 2 | — |
Wind waves Height (m) Direction Period (s) | SE 10 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SE 5 | — | — | — | N 6 | — | — | S 7 | — | — | — | S 7 | SSW 7 | S 7 |
| kJ | 90 | 16 | 24 | 17 | 18 | 17 | 20 | 33 | 33 | 33 | 39 | — | — | — | 1 | — | — | 210 | — | — | — | 138 | 171 | 131 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 627 | 56 | 56 | 56 | 55 | 56 | 56 | 170 | 203 | 56 | 52 | 0 | 0 | 0 | 0 | 0 | 0 | 52 | 0 | 52 | 0 | 135 | 350 | 591 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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