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Surf Forecasts:
Ohara surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 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 12AM is: 1.4m 9s primary swell from a Southeast direction and 0.1m 9s secondary swell from a Northeast direction (forecast issued at 08:00pm May 12). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 May) | 5ft (1.5m) | 9s |
| Afternoon (13 May) | 5ft (1.6m) | 9s |
| Evening (13 May) | 5ft (1.6m) | 10s |
Table - waves today at Ohara. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Wed night. Warm (max 20°C on Wed morning, min 15°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Tue 12 | Wednesday 13 | Thursday 14 | Friday 15 | |||||||||||||||||||||
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 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 9 | E 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | E 9 | E 9 | E 9 | E 9 | |
287 | 281 | 314 | 281 | 323 | 370 | 378 | 431 | 460 | 452 | 452 | 378 | 399 | 375 | 418 | 397 | 321 | 277 | 308 | 232 | 375 | 327 | 282 | 240 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-on | on | on | cross-on | cross-on | cross | cross-on | cross-on | 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 | 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 | 9:09AM0.19m | ||||||||||||||||||
 |  | | | | |  | | |  |  | | |  | | | |  | | | | | | | |
 | — | — | — | 4:35 | — | — | — | — | — | — | — | 4:35 | — | — | — | — | — | — | — | 4:35 | — | — | — | — |
 | 6:31 | — | — | — | — | — | — | — | 6:32 | — | — | — | — | — | — | — | 6:34 | — | — | — | — | — | — | 6:34 |
— | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 19 | 18 | 17 | 17 | 17 | 19 | 20 | 20 | 19 | 18 | 18 | 17 | 17 | 19 | 19 | 18 | 17 | 16 | 16 | 15 | 15 | 16 | 17 | 18 |
17 | 17 | 17 | 16 | 15 | 17 | 18 | 18 | 18 | 18 | 17 | 15 | 15 | 16 | 15 | 13 | 14 | 13 | 12 | 11 | 12 | 13 | 14 | 16 | |
Swell 1 Height (m) Direction Period (s) | 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 9 | E 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | NE 9 | NE 9 | E 9 | E 9 |
 kJ | 287 | 281 | 314 | 281 | 323 | 370 | 378 | 431 | 460 | 452 | 452 | 378 | 399 | 375 | 418 | 397 | 321 | 277 | 308 | 232 | 3 | 3 | 282 | 240 |
Swell 2 Height (m) Direction Period (s) | 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 | SE 12 | SE 12 | SE 12 | NE 9 |
| kJ | 3 | 3 | 3 | 3 | 3 | 19 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 16 | 4 | 4 | 4 | 4 | 6 | 6 | 6 | 12 |
Swell 3 Height (m) Direction Period (s) | — | — | E 13 | E 13 | NE 12 | — | — | — | — | S 9 | S 7 | S 7 | S 7 | S 7 | S 7 | — | — | — | — | SE 12 | S 16 | S 7 | NE 9 | S 7 |
| kJ | — | — | 3 | 3 | 6 | — | — | — | — | 2 | 1 | 1 | 1 | 1 | 1 | — | — | — | — | 6 | 5 | 1 | 3 | 1 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | NE 3 | NE 4 | NE 4 | NE 4 | NE 4 | ENE 5 | NNE 5 | NE 5 | E 9 | E 9 | NNE 5 | NNE 9 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 7 | 21 | 16 | 25 | 16 | 39 | 14 | 40 | 375 | 327 | 21 | 54 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 6 | 6 | 6 | 6 | 58 | 62 | 9 | 9 | 6 | 21 | 6 | 53 | 58 | 58 | 58 | 58 | 58 | 64 | 64 | 65 | 58 | 62 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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