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Surf Forecasts:
Ohara surfForecast / Chiba / Japan
48hr Weather and Surf, issued 2 pm Tuesday 12 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
17.7° C
(Which is 2.4°C colder than average for this time of year)How big are the waves at Ohara today?
The current surf forecast for Ohara at 10PM is: 1.3m 9s primary swell from a Southeast direction and 0.1m 9s secondary swell from a Northeast direction (forecast issued at 02:00pm May 12). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 May) | - | - |
| 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. Warm (max 20°C on Tue afternoon, min 16°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tue 12 | Wednesday 13 | Thursday 14 | Fri 15 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | E 10 | E 10 | E 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | |
252 | 257 | 287 | 281 | 314 | 307 | 287 | 330 | 378 | 431 | 434 | 461 | 461 | 428 | 408 | 445 | 479 | 460 | 405 | 334 | 289 | 295 | 289 | 242 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | glassy | on | on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 12:45PM1.06m | 1:23AM1.29m | 2:01PM1.15m | 1:50AM1.34m | 3:02PM1.26m | 2:17AM1.39m | ||||||||||||||||||
Low Tide | 6:45PM0.59m | 7:55AM0.56m | 7:40PM0.65m | 8:32AM0.37m | 8:29PM0.73m | |||||||||||||||||||
 | | |  | | | | |  | | |  | | | |  | | | | | | | | | |
 | — | — | — | — | — | 4:35 | — | — | — | — | — | — | — | 4:35 | — | — | — | — | — | — | — | 4:35 | — | — |
 | — | — | 6:31 | — | — | — | — | — | — | — | 6:32 | — | — | — | — | — | — | — | 6:34 | — | — | — | — | 6:34 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 20 | 20 | 19 | 18 | 17 | 16 | 17 | 19 | 20 | 20 | 19 | 18 | 18 | 17 | 18 | 19 | 19 | 19 | 17 | 16 | 16 | 16 | 16 | 17 |
18 | 18 | 18 | 17 | 17 | 15 | 16 | 18 | 18 | 18 | 19 | 18 | 18 | 15 | 16 | 16 | 15 | 15 | 14 | 13 | 14 | 14 | 14 | 15 | |
Swell 1 Height (m) Direction Period (s) | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | E 10 | E 10 | E 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 |
 kJ | 252 | 257 | 287 | 281 | 314 | 307 | 287 | 330 | 378 | 431 | 434 | 461 | 461 | 428 | 408 | 445 | 479 | 460 | 405 | 334 | 289 | 295 | 289 | 242 |
Swell 2 Height (m) Direction Period (s) | 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 | NE 10 | NE 10 | NE 10 | NE 10 | NE 9 |
| kJ | 9 | 4 | 3 | 3 | 3 | 3 | 3 | 19 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | — | 16 | 4 | 4 | 4 | 4 | 4 | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | E 13 | E 13 | NE 12 | — | — | — | — | S 9 | S 7 | S 9 | — | — | — | — | — | — | — | SE 12 | SE 12 | SE 12 |
| kJ | — | — | — | — | 3 | 3 | 6 | — | — | — | — | 2 | 1 | 2 | — | — | — | — | — | — | — | 6 | 6 | 6 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | NNE 3 | NNE 3 | NNE 3 | NE 4 | NE 4 | NE 10 | NE 4 | NE 4 | NNE 4 | NE 4 | NE 4 | NE 5 | NE 5 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 6 | 17 | 20 | 4 | 21 | 22 | 13 | 18 | 24 | 25 | 21 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 6 | 6 | 9 | 58 | 64 | 9 | 6 | 6 | 6 | 24 | 58 | 58 | 111 | 111 | 58 | 21 | 32 | 24 | 9 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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