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Surf Forecasts:
Uchiboso surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 am Tuesday 05 May 2026 JSTForecast update in hr min s Forecast update imminent
Uchiboso surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Uchiboso sea temperature is
19.3° C
(Which is normal for this time of year)How big are the waves at Uchiboso today?
The current surf forecast for Uchiboso at 12PM is: 0.8m 9s primary swell from a Southwest direction and 0.4m 7s secondary swell from a South-southeast direction (forecast issued at 08:00am May 05). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 May) | 3.5ft (1.0m) | 9s |
| Afternoon (05 May) | 2.5ft (0.7m) | 8s |
| Evening (05 May) | 1.5ft (0.4m) | 10s |
Table - waves today at Uchiboso. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 23mm), heaviest during Thu morning. Very mild (max 19°C on Thu afternoon, min 16°C on Tue morning). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 5 | Wednesday 6 | Thursday 7 | Fri 8 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SW 9 | SW 9 | SW 9 | SW 8 | SW 8 | SE 10 | SE 10 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SE 6 | SSE 6 | SSE 7 | SE 7 | SE 7 | SSE 7 | SSE 7 | SSE 7 | S 7 | S 7 | |
287 | 149 | 107 | 68 | 42 | 24 | 24 | 36 | 38 | 48 | 48 | 57 | 57 | 59 | 124 | 62 | 70 | 65 | 79 | 124 | 158 | 151 | 147 | 97 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross | cross | cross | cross | off | cross-off | cross-off | cross-off | on | on | on | on | |
High Tide | 5:22AM1.51m | 7:41PM1.37m | 5:51AM1.46m | 8:38PM1.30m | 6:24AM1.39m | 9:48PM1.25m | ||||||||||||||||||
Low Tide | 12:32PM0.02m | 00:33AM0.97m | 1:15PM0.10m | 1:15AM1.04m | 2:04PM0.21m | 2:17AM1.08m | ||||||||||||||||||
 |  | | | |  | |  | | | | |  |  | | |  | | |  | | | | | |
 | 4:46 | — | — | — | — | — | — | 4:45 | — | — | — | — | — | — | — | 4:43 | — | — | — | — | — | — | — | 4:43 |
 | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:29 | — | — | — | — | — | — | — | 6:30 | — | — | 6:30 |
— | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | 8 | 10 | 1 | — | — | — | — | — | |
Temp °C | 14 | 16 | 17 | 16 | 16 | 17 | 17 | 17 | 18 | 18 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 17 | 18 | 19 | 18 | 18 | 18 |
5 | 10 | 13 | 12 | 12 | 13 | 13 | 14 | 15 | 15 | 14 | 14 | 15 | 15 | 15 | 18 | 19 | 17 | 14 | 18 | 19 | 15 | 15 | 15 | |
Swell 1 Height (m) Direction Period (s) | SW 9 | SW 9 | SW 9 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | SSE 6 | SSE 6 | SSE 7 | SE 7 | SE 7 | SSE 7 | SSE 7 | SSE 7 | S 7 | S 7 |
 kJ | 287 | 149 | 107 | 68 | 42 | 23 | 21 | 9 | 16 | 16 | 8 | 16 | 8 | 8 | 66 | 62 | 70 | 65 | 79 | 124 | 158 | 151 | 147 | 97 |
Swell 2 Height (m) Direction Period (s) | ESE 11 | S 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SE 10 | SW 7 | WSW 7 | SE 11 | SE 11 | SE 11 | SE 11 | ESE 9 | ESE 10 | SE 10 | SE 10 | SE 11 | SE 11 | — | SE 10 | SE 10 | SE 10 |
| kJ | 11 | 26 | 16 | 15 | 15 | 9 | 9 | 24 | 9 | 5 | 4 | 5 | 5 | 5 | 7 | 11 | 27 | 28 | 19 | 18 | — | 17 | 28 | 28 |
Swell 3 Height (m) Direction Period (s) | ESE 10 | ESE 10 | ESE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 11 | SE 11 | SE 11 | SW 7 | SW 6 | — | — | SE 11 | ESE 9 | W 7 | — | — | — | — | SE 10 | SE 7 | — |
| kJ | 40 | 10 | 10 | 15 | 25 | 24 | 24 | 5 | 4 | 4 | 2 | 2 | — | — | 5 | 8 | 1 | — | — | — | — | 51 | 32 | — |
Wind waves Height (m) Direction Period (s) | NNE 3 | NNE 3 | — | SE 2 | SE 3 | SE 3 | SSE 4 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SE 6 | — | — | NE 4 | NE 4 | NNW 3 | NE 4 | — | — | SW 4 |
| kJ | 5 | 3 | — | 1 | 1 | 2 | 5 | 36 | 38 | 48 | 48 | 57 | 57 | 59 | 124 | — | — | 8 | 16 | 1 | 7 | — | — | 12 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 59 | 0 | 23 | 53 | 58 | 58 | 155 | 65 | 58 | 53 | 58 | 58 | 66 | 66 | 58 | 53 | 14 | 14 | 17 | 0 | 17 | 50 | 50 | 50 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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