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Choshi surfForecast / Chiba / Japan
48hr Weather and Surf, issued 2 am Sunday 03 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 7AM is: 0.8m 10s primary swell from a East-southeast direction and 0.4m 3s secondary swell from a East direction (forecast issued at 02:00am May 03). An open ocean swell of 0.1m 10s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (03 May) | 2.5ft (0.8m) | 10s |
| Afternoon (03 May) | 4.5ft (1.3m) | 5s |
| Evening (03 May) | 5ft (1.6m) | 6s |
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 Mon morning, min 13°C on Mon night). Winds decreasing (gales from the SSW on Sun night, light winds from the NE by Tue morning). | ||||||||||||||||||||||||
Sunday 3 | Monday 4 | Tuesday 5 | ||||||||||||||||||||||
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 | 6 PM | 9 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | S 5 | S 6 | S 6 | S 7 | S 7 | S 8 | S 9 | S 10 | S 9 | S 9 | SSE 9 | S 8 | SSE 8 | SSE 7 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | |
100 | 168 | 120 | 107 | 96 | 83 | 143 | 181 | 277 | 510 | 746 | 977 | 983 | 915 | 554 | 297 | 147 | 81 | 42 | 31 | 31 | 32 | 31 | 37 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross-on | |
High Tide | 3:49AM1.28m | 5:51PM1.12m | 4:15AM1.27m | 6:29PM1.09m | 4:41AM1.26m | 7:09PM1.06m | ||||||||||||||||||
Low Tide | 10:21PM0.65m | 10:54AM-0.05m | 10:51PM0.70m | 11:25AM-0.04m | 11:21PM0.74m | 11:57AM-0.01m | ||||||||||||||||||
 |  |  | | |  | | |  | | | | | | | | | | |  | | | | | |
 | — | 4:43 | — | — | — | — | — | — | — | 4:41 | — | — | — | — | — | — | — | 4:41 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:23 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 20 | 19 | 19 | 20 | 21 | 20 | 19 | 19 | 20 | 20 | 21 | 22 | 23 | 22 | 21 | 18 | 14 | 14 | 13 | 15 | 16 | 16 | 16 | 17 |
19 | 17 | 17 | 19 | 16 | 14 | 13 | 12 | 12 | 11 | 12 | 15 | 14 | 12 | 14 | 15 | 7 | 8 | 8 | 12 | 12 | 11 | 10 | 11 | |
Swell 1 Height (m) Direction Period (s) | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | E 10 | E 9 | E 10 | E 10 | ESE 10 | ESE 10 | ESE 10 | S 9 | SSE 9 | S 8 | SSE 8 | SSE 7 | SSE 7 | S 7 | ESE 10 | ESE 10 | ESE 10 |
 kJ | 100 | 168 | 120 | 107 | 96 | 71 | 71 | 46 | 45 | 47 | 48 | 31 | 33 | 20 | 554 | 297 | 147 | 81 | 42 | 31 | 28 | 32 | 31 | 37 |
Swell 2 Height (m) Direction Period (s) | S 7 | NNE 3 | NE 10 | SE 4 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | E 10 | — | — | — | — | ESE 10 | ESE 10 | NE 5 | ESE 10 | ESE 10 | NNE 5 | ESE 10 | NNE 4 | NE 4 | NE 4 |
| kJ | 28 | 1 | 4 | 9 | 4 | 4 | 4 | 4 | 4 | 2 | — | — | — | — | 20 | 43 | 22 | 35 | 33 | 7 | 31 | 2 | 1 | 1 |
Swell 3 Height (m) Direction Period (s) | NE 11 | NE 11 | NE 11 | NE 10 | N 9 | N 9 | N 8 | N 8 | — | — | — | — | — | — | — | — | ESE 10 | NNE 6 | S 10 | ESE 10 | NE 4 | NE 6 | — | NE 12 |
| kJ | 5 | 4 | 18 | 4 | 6 | 6 | 1 | 1 | — | — | — | — | — | — | — | — | 20 | 4 | 30 | 31 | 5 | 1 | — | 5 |
Wind waves Height (m) Direction Period (s) | — | SE 3 | E 3 | — | SE 4 | S 5 | S 6 | S 6 | S 7 | S 7 | S 8 | S 9 | S 10 | S 9 | W 4 | NE 4 | NNE 5 | NNE 5 | N 4 | NNE 5 | — | SSE 7 | S 3 | S 4 |
| kJ | — | 2 | 3 | — | 14 | 83 | 143 | 181 | 277 | 510 | 746 | 977 | 983 | 915 | 5 | 36 | 32 | 12 | 10 | 9 | — | 29 | 11 | 28 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 56 | 56 | 56 | 52 | 2159 | 2159 | 2171 | 877 | 877 | 610 | 591 | 610 | 591 | 631 | 609 | 37 | 71 | 37 | 0 | 71 | 56 | 62 | 56 | 56 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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