- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Ohara surfForecast / Chiba / Japan
48hr Weather and Surf, issued 2 pm Monday 18 May 2026 JSTForecast update in hr min s Forecast update imminent
Ohara surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Ohara sea temperature is
20.4° C
(Which is normal for this time of year)How big are the waves at Ohara today?
The current surf forecast for Ohara at 10PM is: 0.8m 8s primary swell from a East-southeast direction and 0.4m 7s secondary swell from a Southeast direction (forecast issued at 02:00pm May 18). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | - | - |
| Afternoon (18 May) | 3ft (0.9m) | 8s |
| Evening (18 May) | 2.5ft (0.8m) | 8s |
Table - waves today at Ohara. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 12mm), heaviest on Thu morning. Warm (max 23°C on Wed morning, min 18°C on Thu morning). Winds decreasing (fresh winds from the SSW on Tue morning, light winds from the WNW by Wed night). | ||||||||||||||||||||||||
Mon 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 | 6 AM | 9 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ESE 9 | ESE 8 | ESE 9 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | SE 10 | ESE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | |
176 | 127 | 134 | 94 | 94 | 90 | 64 | 73 | 77 | 161 | 137 | 139 | 142 | 142 | 142 | 160 | 157 | 134 | 128 | 125 | 144 | 144 | 144 | 125 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | |
High Tide | 6:30PM1.38m | 4:25AM1.54m | 7:24PM1.33m | 5:04AM1.51m | 8:21PM1.27m | 5:48AM1.44m | ||||||||||||||||||
Low Tide | 11:13AM-0.10m | 11:09PM1.02m | 11:59AM-0.08m | 11:48PM1.06m | 12:47PM-0.01m | 00:32AM1.07m | ||||||||||||||||||
 | | |  | | | | | | | | |  | |  | | |  | | |  | |  | | |
 | — | — | — | — | — | 4:31 | — | — | — | — | — | — | — | 4:31 | — | — | — | — | — | — | — | 4:30 | — | — |
 | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | 6:38 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 | 2 | 3 | |
Temp °C | 21 | 22 | 20 | 20 | 19 | 19 | 19 | 21 | 21 | 21 | 20 | 20 | 20 | 19 | 19 | 23 | 23 | 23 | 22 | 21 | 21 | 21 | 20 | 18 |
20 | 21 | 19 | 19 | 18 | 18 | 18 | 19 | 18 | 18 | 18 | 19 | 18 | 17 | 17 | 21 | 20 | 21 | 22 | 22 | 22 | 22 | 22 | 16 | |
Swell 1 Height (m) Direction Period (s) | ESE 9 | ESE 8 | ESE 9 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 |
 kJ | 176 | 127 | 134 | 94 | 94 | 90 | 62 | 73 | 55 | 161 | 137 | 139 | 142 | 142 | 142 | 160 | 157 | 134 | 128 | 125 | 144 | 144 | 144 | 125 |
Swell 2 Height (m) Direction Period (s) | SSE 8 | SE 7 | SE 7 | SE 7 | SE 10 | SE 9 | SE 9 | SE 9 | SE 10 | ENE 9 | ENE 9 | NE 9 | NE 10 | NE 9 | NE 8 | NE 8 | NE 9 | ENE 9 | ENE 8 | SSW 4 | ENE 8 | ENE 8 | E 12 | S 6 |
| kJ | 11 | 14 | 13 | 12 | 25 | 41 | 64 | 68 | 77 | 8 | 8 | 23 | 23 | 22 | 18 | 18 | 19 | 7 | 7 | 6 | 6 | 6 | 3 | 1 |
Swell 3 Height (m) Direction Period (s) | ENE 10 | ENE 10 | SE 10 | SE 10 | SSE 7 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | E 11 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | — | NE 8 | ENE 8 | NE 8 | S 8 | — | — |
| kJ | 9 | 9 | 16 | 16 | 9 | 8 | 8 | 8 | 8 | 2 | 29 | 29 | 27 | 27 | 26 | 26 | 26 | — | 18 | 6 | 16 | 1 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | SSW 3 | SSW 3 | SSW 3 | S 3 | S 4 | S 4 | SSW 4 | SSW 4 | SSW 4 | SSW 4 | SSW 4 | SSW 4 | SSW 4 | SSW 4 | SSW 4 | SSW 4 | SSW 4 | SW 4 | — | — | NE 3 | NE 5 |
| kJ | — | — | 1 | 3 | 3 | 6 | 6 | 6 | 15 | 22 | 17 | 12 | 11 | 17 | 28 | 23 | 18 | 20 | 13 | 5 | — | — | 9 | 49 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 149 | 149 | 15 | 114 | 149 | 151 | 589 | 563 | 114 | 114 | 114 | 9 | 9 | 62 | 563 | 114 | 0 | 0 | 8 | 6 | 21 |
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 Ohara 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