Surf Forecasts:
Ohara surf forecast from 2 Sep 2026:
- Best quality surf: Monday 7 Sep, 12AM (local time) - 10ft (3.0m), 8s period, ESE swell with cross-offshore winds.
- Most powerful swell: Wednesday 9 Sep, 3AM (local time) - 11ft (3.5m), 12s period, SSE swell with 3,811 kJ wave energy.
- Next surfable swell (1★+): Thursday 3 Sep, 3AM (local time) - 3.5ft (1.0m), 11s period with E swell.
Best Forecast Surf Conditions for Ohara this week:
The surf forecast for Ohara over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Sep 03) at 3AM. The primary swell is predicted to be 1.0m and 11s period with a secondary swell of 0.5m and 8s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Ohara in the next 16 days are 3.5m 12s and forecast to arrive on Wednesday (Sep 09) at 3AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 5s period and expected on Thursday (Sep 03) at 6PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Thu 3rd Sep) | 3.5ft (1.0m) 11s |
| Best Surf | 12AM (Mon 7th Sep) | 10ft (3.0m) 8s |
| Most Powerful | 3AM (Wed 9th Sep) | 11ft (3.5m) 12s |
Table - best surf conditions forecast for Ohara over the next 16 days.
The Lowdown
Alright, grab your board, let's get into it. Rusty here, and I'm looking at the charts for the next couple of weeks. It's a bit of a slow start, but we've got a couple of real gems tucked away in the second week, so don't write this one off just yet.
The first few days are a write-off, honestly. We're looking at onshore winds and small, weak swell at Ohara. Thursday the 3rd and Friday the 4th serve up messy, cross-onshore slop with swell barely pushing 2ft, and the energy is just pathetic (158 to 199). The weekend gets worse with heavy rain and choppy conditions, so just give it a miss. That all changes around Sunday the 6th, but it's not good news. The wind swings cross-on, and a big jump in swell hits 8ft, with the combined energy climbing past 641. It's a messy, lumpy beast, and honestly, that setup looks more interesting for kite surfing than paddle surfing.
The first real chance to get wet arrives on Monday, September 7th. The wind swings cross-offshore and light, and even though the swell is still a solid 8ft from the ESE, the wind is clean. The energy is strong (718), and the sea state is described as clean. It's a big, powerful wave for the intermediates out there, but the wind window is narrow. By Tuesday the 8th, the wind gets a bit stronger and the tide conditions look questionable, so that Monday window is your best early bet.
Now, here's the standout. I'm talking about late in the forecast, on Thursday, September 17th. Ohara has a proper session on the cards. The afternoon sees a clean, 5ft swell from the SSE, and the wind goes glassy offshore from the SSW at a gentle 9 mph. The combined energy is a very strong 1420, and it's a long-period groundswell at 14 seconds, which means those waves will have real shape and power. This is expert territory, but it's set to be absolutely perfect. The swell direction is a match for the optimum, and the conditions are described as "excellent surf conditions for experienced surfers." That's your one to circle on the calendar. The morning before is also worth a look, with a clean 4ft swell, but the wind is a bit stronger. Thursday afternoon is the clear winner.
The following day, Friday the 18th, sees the swell jump up again but the wind turns onshore and ruins it. So, it's a long wait, but that Thursday afternoon session from the 17th is the real deal. Keep an eye on that Monday the 7th for a big, clean wave if you're up for a challenge.
Stay stoked,
Rusty
Short Range ForecastHeavy rain (total 103mm), heaviest during Fri night. Warm (max 29°C on Thu morning, min 21°C on Fri night). Winds increasing (light winds from the S on Wed night, fresh winds from the NE by Fri night). | Days 5-7 Weather SummaryHeavy rain (total 109mm), heaviest during Sun morning. Warm (max 28°C on Mon morning, min 22°C on Sat night). Winds increasing (light winds from the WSW on Sun night, strong winds from the S by Tue afternoon). | ||||||||||||||||||
Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | ||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | E 11 | E 10 | S 8 | ENE 5 | S 10 | S 10 | S 9 | S 10 | ESE 7 | E 7 | E 7 | E 8 | ESE 8 | ESE 8 | E 8 | S 8 | S 10 | S 10 | SSE 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 88 | 98 | 90 | 80 | 51 | 71 | 61 | 48 | 142 | 196 | 603 | 826 | 1121 | 670 | 343 | 383 | 1087 | 882 | 2314 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | off | off | cross-off | off | off |
High Tide | 8:25AM1.12m | 7:09PM1.41m | 10:11AM1.03m | 7:37PM1.37m | 8:16PM1.31m | 4:18PM1.20m | 10:02PM1.24m | 3:36PM1.25m | 00:33AM1.25m | 3:48PM1.29m | 1:57AM1.32m | ||||||||
Low Tide | 1:48AM0.31m | 1:05PM0.86m | 2:46AM0.34m | 1:09PM0.98m | 4:06AM0.36m | 5:51AM0.35m | 5:37PM1.19m | 7:21AM0.28m | 8:09PM1.10m | 8:22AM0.21m | 8:52PM0.96m | ||||||||
 |  |  |  | | |  |  |  | | | |  |  | | | | | | |
 | — | 5:11 | — | — | 5:11 | — | — | 5:11 | — | — | 5:13 | — | — | 5:13 | — | — | 5:15 | — | — |
 | 6:05 | — | 6:02 | — | — | 6:01 | — | — | 6:00 | — | — | 5:59 | — | — | 5:58 | — | — | 5:55 | — |
mm | — | — | 1 | 3 | 2 | 2 | 65 | 20 | 10 | 14 | 18 | 11 | 21 | 8 | 7 | 18 | 5 | 7 | 5 |
Temp °C | 27 | 29 | 28 | 24 | 25 | 25 | 23 | 23 | 23 | 24 | 24 | 24 | 26 | 28 | 28 | 27 | 28 | 28 | 28 |
Feels °C | 31 | 31 | 30 | 23 | 27 | 26 | 23 | 23 | 22 | 24 | 23 | 22 | 28 | 29 | 30 | 28 | 28 | 27 | 26 |
Swell 1 Height (m) Direction Period (s) | E 7 | E 10 | E 10 | E 10 | SE 6 | SE 6 | SE 7 | ESE 6 | ESE 7 | S 8 | SSW 8 | SSW 8 | SW 10 | ESE 8 | E 8 | E 8 | S 10 | SSE 10 | E 8 |
| kJ | 54 | 98 | 71 | 48 | 39 | 33 | 45 | 48 | 142 | 36 | 24 | 14 | 23 | 670 | 343 | 191 | 816 | 698 | 60 |
Swell 2 Height (m) Direction Period (s) | E 11 | E 7 | ENE 6 | S 8 | ENE 6 | S 10 | S 9 | S 10 | SSW 9 | SE 8 | SE 12 | SSW 8 | NE 12 | SW 9 | E 18 | S 12 | E 8 | E 8 | E 18 |
| kJ | 88 | 24 | 14 | 35 | 25 | 71 | 61 | 47 | 28 | 18 | 6 | 13 | 23 | 41 | 6 | 47 | 133 | 107 | 6 |
Swell 3 Height (m) Direction Period (s) | S 8 | S 8 | SE 10 | SSE 6 | S 10 | E 9 | E 9 | ESE 9 | E 9 | E 12 | SE 15 | SW 9 | — | SSW 8 | E 18 | SE 10 | SE 10 | SE 10 | SE 12 |
| kJ | 36 | 36 | 24 | 13 | 51 | 42 | 40 | 26 | 15 | 11 | 8 | 12 | — | 7 | 6 | 26 | 16 | 17 | 6 |
Wind waves Height (m) Direction Period (s) | — | S 3 | S 8 | ENE 5 | NE 5 | ENE 5 | NE 4 | — | NE 4 | E 7 | E 7 | E 8 | ESE 8 | — | S 7 | S 8 | S 10 | S 10 | SSE 12 |
| kJ | — | 2 | 90 | 80 | 30 | 11 | 4 | — | 10 | 196 | 603 | 826 | 1121 | — | 198 | 383 | 1087 | 882 | 2314 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 141 | 104 | 58 | 32 | 58 | 85 | 58 | 560 | 559 | 559 | 559 | 559 | 0 | 0 | 8 | 623 | 563 | 560 |
Best forecast wave conditions in Chiba | |||||||||||||||||||
Best forecast wave conditions in Japan | |||||||||||||||||||
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Information about the Ohara Surf forecast
The above surf forecast table for Ohara provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Ohara can be found by selecting the local surf guide option on the grey menu. Our Ohara surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Ohara) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Ohara may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Ohara is 2 km (1 miles) from Ohara. If you plan a holiday in Chiba, look for hotels and other accommodation in Ohara. Ohara has rooms for a wide range of budgets as well as car hire and transport links.
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