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Surf Forecasts:
Ohara surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 pm Monday 11 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
19.0° C
(Which is 1.0°C colder than average for this time of year)How big are the waves at Ohara today?
The current surf forecast for Ohara at 12AM is: 1.0m 10s primary swell from a South-southeast direction and 0.5m 9s secondary swell from a East-southeast direction, 1.0m 8s secondary swell from a South-southeast direction (forecast issued at 08:00pm May 11). The wind direction is predicted to be offshore and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 May) | 4ft (1.2m) | 9s |
| Afternoon (12 May) | 4.5ft (1.3m) | 9s |
| Evening (12 May) | 4.5ft (1.3m) | 9s |
Table - waves today at Ohara. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 19°C on Tue morning, min 16°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 11 | Tuesday 12 | Wednesday 13 | Thursday 14 | |||||||||||||||||||||
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 |   |    |    |    | ||||||||||||||||||||
SE 10 | SE 9 | SSE 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | |
96 | 198 | 208 | 197 | 220 | 225 | 252 | 257 | 287 | 281 | 314 | 314 | 365 | 415 | 431 | 395 | 404 | 430 | 394 | 386 | 370 | 378 | 408 | 383 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | glassy | on | cross-on | cross-on | cross-on | cross | cross | cross-on | glassy | on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 00:56AM1.25m | 12:45PM1.06m | 1:23AM1.29m | 2:01PM1.15m | 1:50AM1.34m | |||||||||||||||||||
Low Tide | 5:42PM0.54m | 7:16AM0.74m | 6:45PM0.59m | 7:55AM0.56m | 7:40PM0.65m | 8:32AM0.37m | ||||||||||||||||||
 |  | | | | | | | | | |  |  | | |  | | |  | | | | | | |
 | — | — | — | 4:37 | — | — | — | — | — | — | — | 4:35 | — | — | — | — | — | — | — | 4:35 | — | — | — | — |
 | 6:30 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:32 | — | — | — | — | — | — | 6:34 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 19 | 18 | 18 | 17 | 17 | 18 | 19 | 19 | 18 | 17 | 17 | 16 | 17 | 19 | 19 | 19 | 19 | 18 | 18 | 17 | 17 | 19 | 19 | 19 |
16 | 15 | 16 | 15 | 16 | 16 | 17 | 17 | 16 | 17 | 17 | 15 | 16 | 18 | 18 | 18 | 19 | 18 | 19 | 17 | 15 | 16 | 15 | 16 | |
Swell 1 Height (m) Direction Period (s) | SE 10 | SE 9 | SSE 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 |
 kJ | 96 | 198 | 208 | 197 | 220 | 225 | 252 | 257 | 287 | 281 | 314 | 314 | 365 | 415 | 431 | 395 | 404 | 430 | 394 | 386 | 370 | 378 | 408 | 383 |
Swell 2 Height (m) Direction Period (s) | NE 13 | NE 12 | ESE 9 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | NE 10 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 11 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 |
| kJ | 7 | 5 | 45 | 11 | 10 | 10 | 9 | 4 | 3 | 3 | 3 | 3 | 13 | 19 | 16 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 15 |
Swell 3 Height (m) Direction Period (s) | N 8 | NE 8 | NE 11 | NE 11 | NE 10 | NE 10 | — | — | — | — | E 13 | E 13 | NE 12 | — | — | — | — | S 9 | S 7 | S 9 | S 9 | — | — | — |
| kJ | 1 | 2 | 5 | 29 | 26 | 25 | — | — | — | — | 3 | 3 | 6 | — | — | — | — | 2 | 1 | 2 | 2 | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 5 | SSE 8 | SSE 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NE 3 | NE 3 | — | — |
| kJ | 36 | 110 | 125 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 5 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 6 | 9 | 58 | 58 | 58 | 9 | 0 | 6 | 6 | 58 | 58 | 58 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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