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Surf Forecasts:
Ohara surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 pm Tuesday 19 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
21.0° C
(Which is normal for this time of year)How big are the waves at Ohara today?
The current surf forecast for Ohara at 5AM is: 0.9m 10s primary swell from a Southeast direction and 0.4m 9s secondary swell from a Northeast direction (forecast issued at 08:00pm May 19). An open ocean swell of 0.9m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 3ft (0.9m) | 10s |
| Afternoon (20 May) | 3ft (0.9m) | 10s |
| Evening (20 May) | 3ft (0.9m) | 9s |
Table - waves today at Ohara. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 37mm), heaviest during Thu night. Warm (max 23°C on Wed morning, min 16°C on Fri morning). Winds increasing (calm on Thu afternoon, strong winds from the NNE by Fri morning). | ||||||||||||||||||||||||
Tue 19 | Wednesday 20 | Thursday 21 | Friday 22 | |||||||||||||||||||||
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 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | ESE 9 | SSW 6 | SSW 7 | SSW 7 | SW 8 | S 8 | S 8 | NE 7 | NE 7 | NE 8 | NE 8 | NE 9 | |
137 | 139 | 142 | 142 | 142 | 139 | 139 | 134 | 128 | 128 | 128 | 125 | 110 | 112 | 345 | 340 | 646 | 265 | 168 | 209 | 301 | 549 | 941 | 1553 | |
Wind (km/h) | ||||||||||||||||||||||||
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-on | glassy | on | cross-on | cross-on | on | on | cross-on | cross-on | |
High Tide | 7:24PM1.33m | 5:04AM1.51m | 8:21PM1.27m | 5:48AM1.44m | 9:22PM1.22m | 6:38AM1.33m | ||||||||||||||||||
Low Tide | 11:48PM1.06m | 12:47PM-0.01m | 00:32AM1.07m | 1:38PM0.11m | 1:32AM1.06m | 2:32PM0.25m | ||||||||||||||||||
 |  | | |  | | | |  | |  | |  | | | |  |  | | | | | | | |
 | — | — | — | 4:31 | — | — | — | — | — | — | — | 4:30 | — | — | — | — | — | — | — | 4:30 | — | — | — | — |
 | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:38 | — | — | — | — | — | — | 6:39 |
— | — | — | — | — | — | — | — | — | — | 2 | 1 | 1 | 1 | 1 | 2 | 6 | 8 | 2 | 3 | 3 | 5 | 1 | 1 | |
Temp °C | 20 | 20 | 20 | 20 | 20 | 22 | 23 | 23 | 21 | 21 | 21 | 21 | 22 | 22 | 23 | 20 | 19 | 17 | 17 | 17 | 17 | 16 | 16 | 16 |
18 | 19 | 19 | 19 | 19 | 20 | 20 | 21 | 20 | 20 | 20 | 21 | 22 | 21 | 21 | 19 | 21 | 13 | 13 | 13 | 12 | 9 | 8 | 8 | |
Swell 1 Height (m) Direction Period (s) | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | ESE 9 | SE 9 | SE 9 | ESE 10 | SSW 8 | S 8 | S 8 | S 8 | S 7 | S 7 | S 7 | S 7 |
 kJ | 137 | 139 | 142 | 142 | 142 | 139 | 139 | 134 | 128 | 128 | 128 | 125 | 110 | 88 | 90 | 61 | 300 | 265 | 168 | 138 | 106 | 66 | 66 | 39 |
Swell 2 Height (m) Direction Period (s) | ENE 9 | NE 9 | NE 10 | NE 9 | NE 8 | NE 8 | NE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | NE 7 | NE 7 | ESE 10 | ESE 9 | ESE 9 | SE 9 | SE 9 | SE 10 | ESE 10 | ESE 10 |
| kJ | 8 | 23 | 23 | 22 | 18 | 18 | 19 | 7 | 7 | 6 | 6 | 6 | 6 | 5 | 2 | 2 | 60 | 59 | 58 | 43 | 42 | 45 | 38 | 37 |
Swell 3 Height (m) Direction Period (s) | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | SE 6 | SE 6 | — | NE 8 | NE 8 | S 8 | — | E 12 | NE 12 | E 11 | E 11 | NE 7 | E 11 | — | — | ESE 10 | — | — | — |
| kJ | 29 | 29 | 27 | 27 | 26 | 2 | 5 | — | 18 | 17 | 1 | — | 3 | 6 | 3 | 2 | 2 | 2 | — | — | 54 | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 4 | SSW 4 | S 4 | S 4 | SSW 5 | SSW 5 | SSW 5 | SSW 5 | SSW 5 | SSW 5 | S 5 | S 5 | S 5 | SSW 6 | SSW 7 | SSW 7 | SW 8 | NNE 6 | NE 6 | NE 7 | NE 7 | NE 8 | NE 8 | NE 9 |
| kJ | 12 | 11 | 17 | 26 | 38 | 33 | 32 | 49 | 39 | 23 | 15 | 21 | 32 | 112 | 345 | 340 | 646 | 55 | 144 | 209 | 301 | 549 | 941 | 1553 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 149 | 114 | 114 | 114 | 114 | 248 | 563 | 563 | 206 | 114 | 114 | 114 | 15 | 92 | 9 | 6 | 0 | 141 | 542 | 301 | 213 | 559 | 580 | 577 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
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