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Surf Forecasts:
Choshi surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 pm Friday 29 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
20.5° C
(Which is slightly cooler than normal)How big are the waves at Choshi today (30 May):
- Morning surf: Morning surf (30 May, local time) - 3ft (0.9m), 11s period with ESE swell.
- Afternoon surf: Afternoon surf (30 May, local time) - 2.5ft (0.8m), 11s period with E swell.
- Evening surf: Evening surf (30 May, local time) - 2.5ft (0.8m), 10s period with E swell.
The current surf forecast for Choshi at 1AM is: 1.0m 11s primary swell from a East-southeast direction and 0.4m 7s secondary swell from a South-southeast direction (forecast issued at 08:00pm May 29). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 May) | 3ft (0.9m) | 11s |
| Afternoon (30 May) | 2.5ft (0.8m) | 11s |
| Evening (30 May) | 2.5ft (0.8m) | 10s |
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 25°C on Mon morning, min 20°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Fri 29 | Saturday 30 | Sunday 31 | Monday 1 | |||||||||||||||||||||
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 |   |    |    |    | ||||||||||||||||||||
ESE 9 | ESE 9 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | E 11 | E 11 | E 11 | E 10 | E 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | E 10 | ESE 10 | ESE 10 | E 10 | E 10 | ESE 10 | E 10 | E 10 | E 10 | |
115 | 115 | 214 | 234 | 260 | 206 | 146 | 143 | 143 | 141 | 135 | 184 | 149 | 149 | 136 | 100 | 136 | 114 | 96 | 96 | 102 | 68 | 66 | 64 | |
Wind (km/h) | ||||||||||||||||||||||||
on | cross | cross | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross | glassy | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | glassy | glassy | on | cross-on | |
High Tide | 3:58PM1.09m | 2:11AM1.26m | 4:38PM1.12m | 2:44AM1.28m | 5:15PM1.14m | 3:16AM1.29m | ||||||||||||||||||
Low Tide | 8:43PM0.77m | 9:31AM0.03m | 9:22PM0.79m | 10:04AM-0.01m | 10:00PM0.81m | 10:38AM-0.02m | ||||||||||||||||||
 |  | | |  | | |  | | | |  |  | | | | |  | | | | | | | |
 | — | — | — | 4:22 | — | — | — | — | — | — | — | 4:22 | — | — | — | — | — | — | — | 4:22 | — | — | — | — |
 | 6:44 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | 6:45 |
1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 22 | 21 | 20 | 21 | 21 | 22 | 23 | 22 | 22 | 21 | 21 | 21 | 21 | 22 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 24 | 25 | 24 |
21 | 17 | 17 | 18 | 19 | 19 | 22 | 21 | 22 | 21 | 23 | 23 | 23 | 22 | 22 | 22 | 23 | 22 | 21 | 22 | 22 | 24 | 24 | 22 | |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | E 11 | E 11 | E 11 | E 10 | E 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | E 10 | ESE 10 | ESE 10 | E 10 | E 10 | ESE 10 | E 10 | E 10 | E 10 |
 kJ | 115 | 115 | 214 | 234 | 260 | 206 | 146 | 143 | 143 | 141 | 135 | 184 | 149 | 149 | 136 | 100 | 136 | 114 | 96 | 96 | 102 | 68 | 66 | 64 |
Swell 2 Height (m) Direction Period (s) | SSE 7 | SSE 7 | SSE 7 | ENE 11 | ENE 11 | ENE 11 | SSE 6 | ENE 11 | NE 11 | SE 6 | SE 6 | SSE 6 | S 16 | S 16 | SSE 15 | SSE 14 | SSE 12 | SSE 12 | SSE 12 | S 11 | S 11 | SSE 11 | SSE 11 | SSE 11 |
| kJ | 66 | 61 | 15 | 12 | 12 | 11 | 26 | 11 | 4 | 38 | 29 | 42 | 5 | 5 | 23 | 40 | 50 | 49 | 78 | 64 | 62 | 40 | 39 | 38 |
Swell 3 Height (m) Direction Period (s) | ENE 11 | ENE 11 | NE 11 | S 14 | S 14 | SSW 7 | ENE 11 | SE 13 | NE 11 | SE 8 | ENE 11 | ENE 11 | S 12 | S 16 | SE 12 | SE 12 | SE 12 | ESE 12 | SE 12 | S 4 | S 18 | S 5 | S 5 | SSE 16 |
| kJ | 24 | 23 | 59 | 4 | 4 | 19 | 12 | 7 | 18 | 3 | 12 | 12 | 3 | 19 | 6 | 6 | 6 | 15 | 6 | 2 | 6 | 5 | 5 | 50 |
Wind waves Height (m) Direction Period (s) | — | — | — | NE 4 | — | SE 6 | — | SE 6 | SE 6 | SSE 6 | — | — | — | — | — | SE 6 | — | S 6 | S 3 | — | — | — | — | S 5 |
| kJ | — | — | — | 5 | — | 40 | — | 31 | 38 | 55 | — | — | — | — | — | 8 | — | 17 | 2 | — | — | — | — | 8 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 117 | 159 | 266 | 117 | 115 | 56 | 56 | 56 | 56 | 55 | 52 | 0 | 0 | 56 | 56 | 56 | 52 | 52 | 52 | 0 | 0 | 0 | 56 | 56 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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