
Surf Forecasts:
Ohara surf forecast from 11 Aug 2026:
- Best quality surf: Monday 17 Aug, 12AM (local time) - 6.5ft (2.0m), 10s period, E swell with glassy winds.
- Most powerful swell: Sunday 16 Aug, 12PM (local time) - 8ft (2.4m), 11s period, E swell with 1,326 kJ wave energy.
- Next surfable swell (1★+): Monday 17 Aug, 12AM (local time) - 6.5ft (2.0m), 10s 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 Monday (Aug 17) at 12AM. The primary swell is predicted to be 2.0m and 10s period with a secondary swell of 0.4m and 11s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Ohara in the next 16 days are 2.4m 11s and forecast to arrive on Sunday (Aug 16) at 12PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 6s period and expected on Tuesday (Aug 11) at 9PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Mon 17th Aug) | 6.5ft (2.0m) 10s |
| Best Surf | 12AM (Mon 17th Aug) | 6.5ft (2.0m) 10s |
| Most Powerful | 12PM (Sun 16th Aug) | 8ft (2.4m) 11s |
Table - best surf conditions forecast for Ohara over the next 16 days.
The Lowdown
Righto, let's have a look at what's on the cards for us at Ohara. It’s an inconsistent spot, so when it does fire, you gotta be ready. Water temp's sitting at a balmy 81°, pretty much what you'd expect for this time of year.
First up, the early part of this week is a bit of a write-off, honestly. Tuesday the 11th has a couple of feet of easterly swell pushing in, with a combined energy of 1115 (moderate) but the wind's all over the shop – cross-onshore in the morning and then a sloppy cross-off in the afternoon with heavy rain. Not worth paddling out for a wave that’s not gonna give you much joy.
Wednesday the 12th drops right off. Tiny 4ft swell with weak energy (269) and light winds, but the wave comment says it all – marginal. Thursday and Friday the 13th and 14th are a bit of a puff of wind and cross-onshore chop with swell around 5ft. Not good.
Saturday the 15th looks plain nasty. The wind is howling at 19 mph from the north-northeast, cross-onshore, and the swell jumps to 7-8ft but the energy is up there (743 to 1062). It'll be a lumpy, choppy mess. Leave the board at home.
Now, Sunday the 16th is a big one, but it's a dangerous one. We’re looking at a massive 13ft swell from the northeast, with a combined energy of 5752 – that’s strong. The wind is light though, and it'll be clean in the afternoon. But mate, that’s too much for Ohara. That’s experts-only territory if you’re brave enough, but the forecast says it’s too big for the break. Don't even think about it.
Here's your standout. Monday the 17th. This is the one. The morning is shaping up unreal – glassy conditions with only 3 mph breeze from the east-northeast, 6ft swell from the ENE, and a combined energy of 569. That’s clean, lined-up, and Ohara will be holding its shape. The afternoon gets even better for experienced surfers: 8ft NE swell, clean cross-off wind, energy up to 1441. This is the best on offer across the whole outlook. The break is inconsistent, so if it's on, it'll be a session to remember.
After that, Tuesday the 18th drops back to a small 3ft swell, clean but ordinary. From Wednesday the 19th right through to the end of the month, we’re in a real flat spell. Swell sizes hang around 1ft to 3ft, with the odd clean window but no real power to speak of. The energy readings are mostly under 200. There’s virtually nothing to get excited about.
So, in short: the first week is mostly a dud, Sunday 16th is too big and dangerous, but Monday the 17th is your golden window – glassy, decent swell, and clean. Get onto it if you can. After that, you’re looking at a long, drawn-out flat spell of over a week.
Rusty.
Short Range ForecastHeavy rain (total 52mm), heaviest during Tue afternoon. Warm (max 27°C on Thu morning, min 23°C on Tue afternoon). Winds decreasing (fresh winds from the WSW on Tue afternoon, light winds from the NNE by Wed night). | Days 4-6 Weather SummaryModerate rain (total 18mm), heaviest on Fri night. Warm (max 27°C on Fri morning, min 22°C on Sat night). Winds decreasing (fresh winds from the NE on Sat afternoon, calm by Sun night). | ||||||||||||||||||||
Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | |||||||||||||||
AM | PM | 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 10 | E 12 | E 11 | ESE 9 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 10 | E 11 | E 11 | E 10 | ENE 9 | ENE 9 | ENE 8 |
Wave Graph | |||||||||||||||||||||
969 | 1215 | 514 | 586 | 239 | 274 | 383 | 494 | 434 | 441 | 441 | 408 | 695 | 606 | 1154 | 1230 | 1188 | 802 | 418 | 202 | 96 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-off | off | cross-off | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | glassy | off | off | on |
High Tide | 4:49PM1.34m | 2:45AM1.44m | 5:12PM1.36m | 3:41AM1.48m | 5:34PM1.37m | 4:31AM1.49m | 5:55PM1.38m | 5:18AM1.46m | 6:15PM1.39m | 6:04AM1.38m | 6:35PM1.39m | 6:49AM1.29m | 6:55PM1.40m | ||||||||
Low Tide | 9:24AM0.04m | 9:36PM1.00m | 10:08AM0.01m | 10:16PM0.88m | 10:46AM0.04m | 10:53PM0.75m | 11:21AM0.12m | 11:31PM0.63m | 11:52AM0.24m | 00:09AM0.53m | 12:20PM0.38m | 00:47AM0.46m | 12:44PM0.53m | 1:27AM0.43m | |||||||
4:54 | — | — | 4:54 | — | — | 4:54 | — | — | 4:56 | — | — | 4:56 | — | — | 4:56 | — | — | 4:58 | — | — | |
— | 6:31 | — | — | 6:30 | — | — | 6:30 | — | — | 6:29 | — | — | 6:28 | — | — | 6:27 | — | — | 6:25 | — | |
mm | — | 15 | 19 | 5 | 6 | 2 | 1 | 1 | 3 | 1 | 1 | 13 | 3 | — | — | — | — | — | — | — | — |
Temp °C | 24 | 24 | 24 | 24 | 25 | 25 | 27 | 27 | 25 | 27 | 27 | 25 | 26 | 26 | 24 | 26 | 26 | 24 | 27 | 27 | 25 |
Feels °C | 23 | 21 | 22 | 23 | 26 | 28 | 29 | 29 | 28 | 28 | 28 | 27 | 25 | 23 | 23 | 25 | 25 | 25 | 29 | 29 | 27 |
Swell 1 Height (m) Direction Period (s) | E 10 | E 12 | E 11 | S 10 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | SSW 10 | E 10 | E 11 | E 11 | E 10 | ENE 9 | ENE 9 | ENE 8 |
969 | 1215 | 514 | 53 | 239 | 274 | 383 | 494 | 434 | 441 | 441 | 408 | 495 | 36 | 761 | 1230 | 1188 | 802 | 418 | 202 | 96 | |
Swell 2 Height (m) Direction Period (s) | S 10 | NE 10 | S 10 | SE 13 | ESE 5 | S 6 | S 10 | S 10 | SSE 12 | SSE 11 | SSE 10 | SSE 9 | SSW 8 | SSE 8 | S 10 | S 11 | S 10 | SE 11 | S 9 | SE 11 | SE 10 |
55 | 707 | 53 | 6 | 36 | 26 | 71 | 48 | 59 | 68 | 54 | 44 | 14 | 7 | 47 | 61 | 50 | 41 | 25 | 40 | 27 | |
Swell 3 Height (m) Direction Period (s) | SSW 11 | SE 13 | SW 10 | SSW 6 | S 10 | S 10 | — | SE 12 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSE 8 | SE 18 | SE 12 | SSW 11 | SSE 11 | SSW 9 | SE 11 | SE 16 | SSW 8 |
91 | 27 | 39 | 23 | 53 | 51 | — | 6 | 28 | 28 | 28 | 27 | 14 | 13 | 6 | 41 | 12 | 28 | 30 | 10 | 14 | |
Wind waves Height (m) Direction Period (s) | NNE 9 | SW 11 | SSW 6 | ESE 9 | E 4 | — | — | — | — | NNE 3 | — | — | E 9 | E 9 | E 10 | — | — | — | — | SSW 8 | SSW 3 |
944 | 115 | 150 | 586 | 12 | — | — | — | — | 7 | — | — | 695 | 606 | 1154 | — | — | — | — | 73 | 5 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 6 | 206 | 151 | 542 | 32 | 6 | 9 | 58 | 9 | 58 | 58 | 9 | 213 | 58 | 9 | 9 | 62 | 0 | 0 | 0 | 6 |
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.











