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Choshi surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 pm 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
17.3° C
(Which is 1.9°C colder than average for this time of year)How big are the waves at Choshi today?
The current surf forecast for Choshi at 1AM is: 1.0m 9s primary swell from a South-southeast direction and 0.3m 10s secondary swell from a East-southeast direction (forecast issued at 08:00pm May 04). An open ocean swell of 0.8m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 May) | 1.5ft (0.5m) | 8s |
| Afternoon (05 May) | 1.5ft (0.4m) | 10s |
| 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 10mm), heaviest on Wed night. Warm (max 20°C on Thu afternoon, min 13°C on Mon night). Winds decreasing (fresh winds from the N on Mon night, light winds from the ESE by Wed night). | ||||||||||||||||||||||||
Mon 4 | Tuesday 5 | Wednesday 6 | Thursday 7 | |||||||||||||||||||||
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 |   |    |    |    | ||||||||||||||||||||
SSW 9 | SSE 9 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | S 7 | ESE 10 | SSE 7 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SE 5 | SE 6 | SE 6 | SE 7 | ESE 10 | |
2002 | 322 | 197 | 126 | 68 | 32 | 28 | 35 | 38 | 37 | 36 | 35 | 35 | 34 | 33 | 39 | 49 | 53 | 61 | 49 | 49 | 46 | 52 | 58 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-on | |
High Tide | 6:29PM1.09m | 4:41AM1.26m | 7:09PM1.06m | 5:08AM1.23m | 7:53PM1.02m | 5:39AM1.20m | ||||||||||||||||||
Low Tide | 11:21PM0.74m | 11:57AM-0.01m | 11:51PM0.78m | 12:32PM0.05m | 00:23AM0.82m | 1:12PM0.11m | ||||||||||||||||||
 |  |  | | |  |  | | |  | | | | | | | | |  | |  | | | | |
 | — | — | — | 4:41 | — | — | — | — | — | — | — | 4:39 | — | — | — | — | — | — | — | 4:39 | — | — | — | — |
 | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:25 | — | — | — | — | — | — | 6:27 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 4 | 3 | — | — | — | |
Temp °C | 22 | 17 | 15 | 13 | 13 | 14 | 15 | 16 | 16 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 17 | 16 | 16 | 17 | 17 | 19 | 20 |
14 | 12 | 7 | 4 | 6 | 10 | 10 | 11 | 10 | 11 | 12 | 13 | 13 | 14 | 14 | 14 | 15 | 14 | 14 | 16 | 16 | 15 | 18 | 20 | |
Swell 1 Height (m) Direction Period (s) | S 9 | SSE 9 | SSE 9 | SSE 9 | SSE 8 | NNE 5 | S 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 | SE 5 | SE 6 | SE 6 | SE 7 | SE 7 |
 kJ | 607 | 322 | 197 | 126 | 68 | 18 | 28 | 31 | 37 | 37 | 36 | 35 | 35 | 34 | 33 | 28 | 33 | 33 | 36 | 49 | 49 | 46 | 52 | 44 |
Swell 2 Height (m) Direction Period (s) | ESE 10 | ESE 10 | ESE 10 | ESE 10 | NE 7 | SSE 8 | NNE 5 | NE 4 | NNE 4 | NE 4 | NE 5 | NE 10 | SSE 6 | NE 7 | NE 7 | NE 6 | NE 6 | NE 8 | NE 8 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 |
| kJ | 20 | 21 | 21 | 22 | 22 | 32 | 8 | 5 | 2 | 1 | 1 | 4 | 4 | 2 | 2 | 2 | 1 | 3 | 2 | 33 | 33 | 39 | 40 | 58 |
Swell 3 Height (m) Direction Period (s) | — | — | N 11 | — | ESE 10 | NE 6 | ESE 10 | ESE 9 | SSW 8 | NE 11 | NE 11 | NE 5 | NE 5 | — | — | E 12 | NE 9 | — | E 12 | NE 7 | NE 7 | E 11 | NE 11 | E 11 |
| kJ | — | — | 2 | — | 20 | 15 | 18 | 35 | 6 | 5 | 4 | 1 | 1 | — | — | 3 | 3 | — | 3 | 2 | 2 | 3 | 5 | 2 |
Wind waves Height (m) Direction Period (s) | SSW 9 | NNE 5 | NNE 5 | NNE 4 | NNE 5 | N 6 | — | SSE 7 | SSE 7 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | — | — | — | — | — |
| kJ | 2002 | 64 | 26 | 29 | 24 | 158 | — | 20 | 38 | 19 | 24 | 25 | 20 | 19 | 25 | 39 | 49 | 53 | 61 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 609 | 37 | 170 | 147 | 37 | 37 | 112 | 56 | 56 | 56 | 206 | 55 | 55 | 112 | 56 | 266 | 266 | 591 | 117 | 71 | 37 | 37 | 0 | 55 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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