
Surf Forecasts:
Ohara surf forecast from 12 Sep 2026:
- Best quality surf: Saturday 19 Sep, 3PM (local time) - 11ft (3.5m), 13s period, SE swell with cross-onshore winds.
- Most powerful swell: Saturday 19 Sep, 9AM (local time) - 11ft (3.5m), 15s period, SE swell with 4,823 kJ wave energy.
- Next surfable swell (1★+): Sunday 13 Sep, 3PM (local time) - 2.5ft (0.7m), 13s period with ESE 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 Sunday (Sep 13) at 3PM. The primary swell is predicted to be 0.7m and 13s period with a secondary swell of 0.6m and 9s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Ohara in the next 16 days are 3.5m 15s and forecast to arrive on Saturday (Sep 19) at 9AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Monday (Sep 14) at 3PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3PM (Sun 13th Sep) | 2.5ft (0.7m) 13s |
| Best Surf | 3PM (Sat 19th Sep) | 11ft (3.5m) 13s |
| Most Powerful | 9AM (Sat 19th Sep) | 11ft (3.5m) 15s |
Table - best surf conditions forecast for Ohara over the next 16 days.
The Lowdown
Hey everyone, Rusty here. Let’s talk about what’s in store for Ohara.
Straight up, this is a mixed bag for the next couple of weeks. We've got a real slow start, with nothing rideable for the first few days. The first real chance for a wave is a tiny one on Saturday the 12th, but the conditions are poor – light rain and onshore wind – so it's not worth paddling out.
The first proper window opens up on Sunday the 13th. The morning is still a write-off with onshore wind, but by the afternoon things clean up nicely. We're looking at clean, ridable 2ft waves coming from the ESE with a solid 13-second period, bringing moderate wave energy (248). The wind goes light cross-offshore, making for some smooth faces. This is the pick for a beginner-friendly session, but crowds are possible.
Monday the 14th gets a bit more interesting. The afternoon sees the swell bump up to 4ft from the SSE, with moderate energy (369) and a solid offshore wind. It’s clean and punchy for a fun shortboard, but that 9-second period means it’s a bit more of a windswell.
The mid-week is a write-off. From Tuesday night through the weekend, a strong windswell builds in, but it's accompanied by nasty, choppy onshore winds. We get a big spike in energy – reading a massive 2593 on Saturday the 19th (combined energy) – but with a fresh cross-onshore wind and 10ft of messy swell, it’s a complete washout for the line-up. This is kite-surfing territory only.
After a few more days of slop, we finally get a payoff. Monday the 21st is the standout of the outlook. The swell settles to a solid 6ft from the SE, with strong wave energy (685), and – this is the key – the wind goes glassy in the morning. Absolutely dead calm. The water temp is sitting around 80°, which is about average for this time of year. It’ll be clean, a little heaving, and you’ll have the sets to yourself if you get out early when it’s glassy. This is the one to aim for.
Things go too big for Ohara on Tuesday the 22nd. The swell jumps to a massive 16ft from the SSW with a very long 12-second period, and the energy rockets to 7046 – that’s serious power. Even with clean offshore wind, the note on the forecast says it’s predicted to be too big for this break. This is strictly for the experts, and even then, it might close out.
After that, it’s back to a mix of messy, onshore wind and small waves for the rest of the second week. There's a glimmer on the 27th with 5ft ENE swell, but the onshore wind ruins it.
So to wrap it up: your best bet is Sunday the 13th afternoon for a small, clean beginner wave, but the absolute highlight is Monday the 21st with glassy conditions and solid, clean swell. Get on it.
Rusty.
Short Range ForecastLight rain (total 2mm), mostly falling on Mon night. Warm (max 27°C on Mon morning, min 22°C on Sat night). Wind will be generally light. | Days 5-7 Weather SummaryModerate rain (total 16mm), heaviest on Wed morning. Warm (max 25°C on Tue night, min 21°C on Thu afternoon). Winds increasing (light winds from the N on Tue night, strong winds from the NNE by Fri morning). | ||||||||||||||||||
Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | ||||||||||||||
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) | ESE 13 | ESE 13 | ESE 13 | E 12 | SSE 10 | SE 9 | SE 9 | E 14 | E 14 | E 13 | E 13 | E 12 | E 12 | ENE 6 | ENE 7 | ENE 8 | ENE 8 | ENE 7 | SE 18 |
Wave Graph | |||||||||||||||||||
184 | 242 | 178 | 108 | 120 | 147 | 252 | 195 | 196 | 167 | 215 | 193 | 138 | 176 | 407 | 634 | 579 | 372 | 1798 | |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-off | off | cross-off | off | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | on | cross-on | on | on | cross-on | cross-on | on |
High Tide | 5:16AM1.43m | 5:18PM1.43m | 5:57AM1.37m | 5:37PM1.44m | 6:37AM1.29m | 5:55PM1.44m | 7:19AM1.20m | 6:15PM1.41m | 8:08AM1.10m | 6:34PM1.38m | 9:23AM1.01m | 6:55PM1.32m | |||||||
Low Tide | 11:06PM0.38m | 11:18AM0.46m | 11:39PM0.30m | 11:43AM0.58m | 00:12AM0.27m | 12:04PM0.69m | 00:47AM0.28m | 12:23PM0.80m | 1:25AM0.33m | 12:37PM0.89m | 2:10AM0.40m | 12:34PM0.96m | |||||||
— | 5:18 | — | — | 5:18 | — | — | 5:20 | — | — | 5:20 | — | — | 5:20 | — | — | 5:22 | — | — | |
— | — | 5:49 | — | — | 5:47 | — | — | 5:45 | — | — | 5:45 | — | — | 5:44 | — | — | 5:42 | — | |
mm | — | — | — | — | — | — | 1 | 1 | — | 1 | 5 | 3 | 3 | 1 | 2 | 1 | — | — | — |
Temp °C | 22 | 23 | 24 | 26 | 27 | 27 | 26 | 26 | 26 | 25 | 22 | 22 | 23 | 23 | 22 | 22 | 23 | 23 | 22 |
Feels °C | 22 | 26 | 27 | 30 | 28 | 28 | 28 | 26 | 28 | 29 | 22 | 22 | 24 | 22 | 20 | 20 | 19 | 19 | 19 |
Swell 1 Height (m) Direction Period (s) | ESE 13 | ESE 13 | ESE 13 | ESE 9 | SSE 10 | SE 9 | SE 9 | SE 8 | SE 8 | SE 7 | SE 8 | E 12 | ENE 6 | SE 8 | E 13 | E 12 | SSE 8 | E 11 | SE 18 |
184 | 242 | 178 | 54 | 120 | 147 | 252 | 180 | 161 | 156 | 94 | 193 | 47 | 28 | 55 | 27 | 7 | 38 | 1798 | |
Swell 2 Height (m) Direction Period (s) | SE 8 | SSW 7 | SE 9 | E 12 | ESE 9 | E 12 | E 14 | E 14 | E 14 | E 13 | E 13 | SE 8 | SE 8 | E 12 | E 11 | SSE 9 | SSE 8 | SSE 8 | ESE 10 |
20 | 5 | 46 | 108 | 45 | 112 | 189 | 195 | 196 | 167 | 215 | 73 | 58 | 67 | 22 | 8 | 7 | 7 | 132 | |
Swell 3 Height (m) Direction Period (s) | SSW 7 | SSE 9 | ENE 6 | SE 7 | E 12 | ENE 7 | ENE 7 | S 7 | ENE 10 | S 9 | — | E 18 | E 12 | E 15 | SSE 9 | — | S 12 | SE 21 | E 10 |
9 | 8 | 24 | 23 | 76 | 9 | 10 | 1 | 10 | 2 | — | 6 | 138 | 17 | 8 | — | 3 | 17 | 78 | |
Wind waves Height (m) Direction Period (s) | NE 5 | NE 6 | — | — | — | SSW 3 | S 7 | — | S 7 | — | NE 5 | NE 5 | ENE 6 | ENE 6 | ENE 7 | ENE 8 | ENE 8 | ENE 7 | ENE 8 |
41 | 30 | — | — | — | 4 | 1 | — | 1 | — | 35 | 22 | 84 | 176 | 407 | 634 | 579 | 372 | 214 | |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 9 | 9 | 6 | 0 | 0 | 141 | 0 | 104 | 0 | 8 | 9 | 9 | 9 | 64 | 213 | 581 | 542 | 559 | 542 |
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.










