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Surf Forecasts:
Choshi surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 am Friday 08 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 1.6°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: 1.2m 6s primary swell from a South direction and 0.5m 10s secondary swell from a East-southeast direction, 0.1m 11s secondary swell from a East direction (forecast issued at 08:00am May 08). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 May) | 4.5ft (1.3m) | 7s |
| Afternoon (08 May) | 4.5ft (1.4m) | 6s |
| Evening (08 May) | 5.5ft (1.7m) | 7s |
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 22°C on Fri morning, min 15°C on Fri night). Mainly strong winds. | ||||||||||||||||||||||||
Friday 8 | Saturday 9 | Sunday 10 | Mon 11 | |||||||||||||||||||||
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 7 | S 7 | SSE 6 | S 6 | S 6 | S 7 | SSE 8 | SSE 8 | SSE 8 | S 8 | ESE 10 | ESE 10 | SE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | SSE 5 | SSE 5 | SSE 6 | |
176 | 157 | 66 | 130 | 233 | 295 | 207 | 127 | 101 | 64 | 59 | 60 | 108 | 73 | 72 | 68 | 67 | 64 | 52 | 49 | 48 | 39 | 60 | 59 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-on | cross-on | cross | cross | glassy | cross | cross | cross-off | off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross | cross | |
High Tide | 6:13AM1.15m | 9:56PM0.95m | 6:59AM1.09m | 11:14PM0.96m | 8:09AM1.01m | 00:07AM0.98m | ||||||||||||||||||
Low Tide | 1:59PM0.18m | 1:52AM0.87m | 2:56PM0.26m | 3:21AM0.87m | 4:04PM0.34m | |||||||||||||||||||
 | |  | | |  |  | | |  | | | | |  | | | | | | | | | | |
 | 4:37 | — | — | — | — | — | — | 4:37 | — | — | — | — | — | — | — | 4:35 | — | — | — | — | — | — | — | 4:35 |
 | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:29 | — | — | — | — | — | — | — | 6:30 | — | — | 6:30 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 19 | 21 | 22 | 22 | 21 | 21 | 20 | 17 | 15 | 18 | 20 | 19 | 19 | 17 | 17 | 16 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 17 |
18 | 19 | 18 | 17 | 15 | 15 | 21 | 13 | 10 | 16 | 13 | 13 | 14 | 12 | 13 | 12 | 14 | 15 | 14 | 13 | 13 | 13 | 14 | 14 | |
Swell 1 Height (m) Direction Period (s) | SSE 7 | SSE 6 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | SSE 8 | SSE 8 | SSE 8 | S 8 | ESE 10 | ESE 10 | NNE 4 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 |
 kJ | 73 | 53 | 60 | 62 | 62 | 62 | 207 | 127 | 101 | 64 | 59 | 60 | 3 | 73 | 72 | 68 | 67 | 64 | 52 | 49 | 48 | 32 | 35 | 59 |
Swell 2 Height (m) Direction Period (s) | ESE 10 | ESE 10 | E 11 | E 11 | E 11 | E 11 | ESE 10 | ESE 10 | ESE 10 | NE 5 | S 8 | S 7 | E 5 | NNE 4 | NNE 4 | NNE 5 | NNE 4 | SSE 4 | NE 4 | NNE 4 | NE 4 | E 10 | E 10 | E 11 |
| kJ | 59 | 59 | 2 | 2 | 2 | 2 | 62 | 42 | 59 | 18 | 29 | 15 | 1 | 2 | 4 | 4 | 2 | 6 | 3 | 2 | 1 | 2 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | E 11 | E 11 | — | — | — | — | E 11 | NE 11 | — | ESE 10 | NE 4 | NE 4 | — | E 5 | — | NE 6 | NE 6 | NE 4 | NE 5 | — | E 11 | N 9 | N 9 | NE 11 |
| kJ | 3 | 2 | — | — | — | — | 2 | 5 | — | 59 | 7 | 4 | — | 2 | — | 1 | 1 | 3 | 1 | — | 2 | 2 | 1 | 4 |
Wind waves Height (m) Direction Period (s) | S 7 | S 7 | SSE 6 | S 6 | S 6 | S 7 | — | NE 4 | NE 5 | — | NW 3 | N 4 | SE 10 | S 3 | S 3 | SSE 3 | SSE 4 | SE 4 | SSE 4 | SSE 4 | SSE 4 | SSE 5 | SSE 5 | SSE 6 |
| kJ | 176 | 157 | 66 | 130 | 233 | 295 | — | 39 | 26 | — | 3 | 16 | 108 | 6 | 6 | 4 | 5 | 15 | 8 | 10 | 25 | 39 | 60 | 55 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 132 | 135 | 350 | 591 | 610 | 610 | 0 | 37 | 76 | 0 | 57 | 37 | 56 | 56 | 125 | 125 | 56 | 56 | 56 | 56 | 56 | 56 | 56 | 159 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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