- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Uchiboso surfForecast / Chiba / Japan
48hr Weather and Surf, issued 2 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 8AM is: 1.0m 9s primary swell from a Southwest direction and 0.5m 7s secondary swell from a South direction (forecast issued at 02:00am May 05). An open ocean swell of 0.3m 3s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 May) | 3.5ft (1.0m) | 9s |
| Afternoon (05 May) | 2ft (0.6m) | 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 ForecastModerate rain (total 15mm), heaviest on Thu morning. Very mild (max 19°C on Thu afternoon, min 15°C on Tue morning). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 5 | Wednesday 6 | Thursday 7 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
SW 9 | SW 9 | SW 9 | SW 9 | SW 9 | SW 8 | SW 8 | SE 10 | SE 10 | SE 10 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SE 7 | SE 7 | SSE 7 | SSE 6 | SSE 7 | |
931 | 550 | 287 | 149 | 107 | 57 | 42 | 24 | 24 | 24 | 33 | 34 | 34 | 33 | 33 | 33 | 33 | 37 | 35 | 46 | 97 | 134 | 66 | 149 | |
Wind (km/h) | ||||||||||||||||||||||||
off | cross-off | off | off | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | glassy | cross-off | cross-off | cross | on | on | |
High Tide | 5:22AM1.51m | 7:41PM1.37m | 5:51AM1.46m | 8:38PM1.30m | 6:24AM1.39m | |||||||||||||||||||
Low Tide | 11:59PM0.90m | 12:32PM0.02m | 00:33AM0.97m | 1:15PM0.10m | 1:15AM1.04m | 2:04PM0.21m | ||||||||||||||||||
 | |  |  |  | | |  |  | | | | | | |  | | |  | | | | | | |
 | — | 4:46 | — | — | — | — | — | — | — | 4:45 | — | — | — | — | — | — | — | 4:43 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:29 | — | — | — | — | — | — | — | 6:30 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 4 | 2 | 5 | 2 | — | — | — | |
Temp °C | 17 | 14 | 14 | 15 | 16 | 16 | 16 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 18 |
11 | 4 | 5 | 10 | 12 | 12 | 12 | 13 | 14 | 14 | 15 | 14 | 15 | 16 | 16 | 16 | 16 | 19 | 21 | 19 | 16 | 20 | 20 | 17 | |
Swell 1 Height (m) Direction Period (s) | SW 9 | SW 9 | SW 9 | SW 9 | SW 9 | SW 8 | SW 8 | SW 8 | SW 8 | SSE 6 | ESE 9 | ESE 9 | ESE 9 | SE 9 | SE 9 | SE 9 | SSE 6 | SSE 6 | SSE 6 | SE 7 | SE 7 | SE 7 | SSE 6 | SSE 7 |
 kJ | 931 | 550 | 287 | 149 | 107 | 57 | 42 | 23 | 21 | 12 | 16 | 16 | 16 | 20 | 20 | 20 | 33 | 37 | 35 | 46 | 46 | 47 | 66 | 149 |
Swell 2 Height (m) Direction Period (s) | ESE 10 | ESE 10 | 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 | SE 9 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 11 |
| kJ | 11 | 11 | 11 | 26 | 16 | 15 | 9 | 9 | 15 | 24 | 9 | 5 | 4 | 5 | 5 | 5 | 20 | 25 | 27 | 28 | 28 | 27 | 28 | 18 |
Swell 3 Height (m) Direction Period (s) | — | ESE 10 | ESE 10 | ESE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SW 8 | SE 11 | SE 11 | SW 7 | SW 6 | SW 6 | W 6 | SE 11 | W 7 | W 7 | — | — | — | — | — |
| kJ | — | 41 | 40 | 10 | 16 | 15 | 25 | 24 | 24 | 9 | 4 | 4 | 2 | 2 | 2 | 1 | 5 | 1 | 1 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | NE 3 | NE 3 | NE 3 | ENE 8 | SE 3 | SE 3 | SE 3 | SSE 4 | SSE 4 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | — | — | — | — | SE 7 | SSE 7 | — | — |
| kJ | — | 4 | 5 | 2 | 49 | 2 | 3 | 3 | 5 | 10 | 33 | 34 | 34 | 33 | 33 | 33 | — | — | — | — | 97 | 134 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 14 | 59 | 59 | 0 | 14 | 14 | 58 | 58 | 58 | 58 | 58 | 58 | 58 | 58 | 155 | 58 | 58 | 23 | 14 | 14 | 27 | 17 | 17 | 17 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Uchiboso surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest