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Surf Forecasts:
Choshi surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 am Saturday 30 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) - 3.5ft (1.0m), 11s period with ESE swell.
- Afternoon surf: Afternoon surf (30 May, local time) - 3ft (0.9m), 11s period with ESE 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 2PM is: 0.9m 11s primary swell from a East-southeast direction and 0.2m 11s secondary swell from a East-northeast direction, 0.3m 2s secondary swell from a South-southeast direction (forecast issued at 08:00am May 30). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 May) | 3.5ft (1.0m) | 11s |
| Afternoon (30 May) | 3ft (0.9m) | 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 24°C on Mon morning, min 19°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 30 | Sunday 31 | Monday 1 | Tue 2 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
ESE 11 | ESE 11 | ESE 11 | ESE 11 | E 11 | E 10 | E 10 | ESE 10 | ESE 10 | ESE 10 | E 10 | E 10 | ESE 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | S 16 | S 16 | S 15 | S 14 | S 14 | |
218 | 249 | 202 | 198 | 143 | 141 | 135 | 184 | 149 | 149 | 100 | 100 | 106 | 98 | 98 | 69 | 69 | 68 | 68 | 427 | 496 | 118 | 107 | 144 | |
Wind (km/h) | ||||||||||||||||||||||||
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 | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross | |
High Tide | 4:38PM1.12m | 2:44AM1.28m | 5:15PM1.14m | 3:16AM1.29m | 5:52PM1.15m | |||||||||||||||||||
Low Tide | 9:31AM0.03m | 9:22PM0.79m | 10:04AM-0.01m | 10:00PM0.81m | 10:38AM-0.02m | 10:36PM0.82m | ||||||||||||||||||
 | | | | |  |  | |  | | | | |  | | | | |  | | | | | | |
 | 4:22 | — | — | — | — | — | — | 4:22 | — | — | — | — | — | — | — | 4:22 | — | — | — | — | — | — | — | 4:22 |
 | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — | — | 6:46 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 20 | 21 | 23 | 23 | 22 | 21 | 21 | 21 | 21 | 22 | 23 | 23 | 22 | 22 | 20 | 19 | 19 | 22 | 24 | 22 | 21 | 21 | 21 | 20 |
18 | 19 | 20 | 21 | 21 | 21 | 22 | 23 | 22 | 23 | 23 | 21 | 21 | 21 | 17 | 18 | 18 | 22 | 21 | 19 | 18 | 18 | 19 | 19 | |
Swell 1 Height (m) Direction Period (s) | ESE 11 | ESE 11 | ESE 11 | ESE 11 | E 11 | E 10 | E 10 | ESE 10 | ESE 10 | ESE 10 | E 10 | E 10 | ESE 10 | E 10 | E 10 | S 5 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | S 14 |
 kJ | 218 | 249 | 202 | 198 | 143 | 141 | 135 | 184 | 149 | 149 | 100 | 100 | 106 | 98 | 98 | 20 | 69 | 68 | 68 | 65 | 65 | 66 | 66 | 144 |
Swell 2 Height (m) Direction Period (s) | NE 4 | ENE 11 | ENE 11 | ENE 11 | NE 11 | ENE 11 | SSE 6 | SSE 6 | S 16 | S 16 | SE 6 | SSE 14 | SSE 12 | SSE 12 | SSE 12 | E 10 | S 5 | SSE 5 | SSE 11 | ESE 12 | SE 11 | S 15 | S 14 | E 10 |
| kJ | 3 | 11 | 12 | 11 | 4 | 11 | 25 | 39 | 5 | 5 | 8 | 40 | 50 | 49 | 78 | 69 | 15 | 9 | 39 | 13 | 20 | 118 | 107 | 65 |
Swell 3 Height (m) Direction Period (s) | ENE 11 | NE 11 | SSW 7 | SE 13 | N 7 | N 6 | ENE 11 | ENE 11 | S 16 | S 16 | SSE 15 | SE 12 | SE 12 | SE 12 | SE 12 | S 11 | S 11 | SSE 11 | SSE 17 | S 16 | S 15 | SSE 10 | SSE 10 | S 18 |
| kJ | 12 | 31 | 16 | 7 | 1 | 1 | 11 | 12 | 5 | 19 | 23 | 6 | 6 | 23 | 22 | 64 | 63 | 40 | 55 | 122 | 165 | 33 | 19 | 56 |
Wind waves Height (m) Direction Period (s) | E 4 | — | — | SSE 2 | SSE 6 | SSE 6 | — | — | — | — | — | SE 6 | SSE 3 | S 3 | S 4 | SSW 5 | — | S 5 | SSE 5 | S 16 | S 16 | S 4 | S 4 | SSW 4 |
| kJ | 12 | — | — | 1 | 30 | 34 | — | — | — | — | — | 8 | 1 | 5 | 9 | 51 | — | 20 | 8 | 427 | 496 | 16 | 7 | 4 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 125 | 112 | 56 | 56 | 55 | 55 | 52 | 52 | 37 | 56 | 56 | 55 | 55 | 147 | 135 | 55 | 52 | 52 | 56 | 56 | 205 | 147 | 52 | 52 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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