Surf Forecasts:
Ohara surf forecast from 7 Aug 2026:
- Best quality surf: Saturday 8 Aug, 6PM (local time) - 5ft (1.5m), 13s period, ESE swell with cross-offshore winds.
- Most powerful swell: Monday 10 Aug, 9PM (local time) - 8ft (2.4m), 11s period, ENE swell with 1,322 kJ wave energy.
- Next surfable swell (1★+): Saturday 8 Aug, 6AM (local time) - 4.5ft (1.3m), 11s period with S 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 Saturday (Aug 08) at 6AM. The primary swell is predicted to be 1.3m and 11s period with a secondary swell of 1.2m and 9s. The wind is predicted to be offshore 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 Monday (Aug 10) at 9PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Wednesday (Aug 12) at 6AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Sat 8th Aug) | 4.5ft (1.3m) 11s |
| Best Surf | 6PM (Sat 8th Aug) | 5ft (1.5m) 13s |
| Most Powerful | 9PM (Mon 10th Aug) | 8ft (2.4m) 11s |
Table - best surf conditions forecast for Ohara over the next 16 days.
The Lowdown
Alright, Rusty here. Let's break down what's happening at Ohara.
First up, the water's at 78°, which is a bit cooler than usual for this time of year – about 2° off the average, so you might want a thin wetsuit.
The next couple of weeks are a real mixed bag, but there's one clear winner. Saturday morning the 8th is the session to aim for. We've got a clean 4ft S swell, 11-second period, with light offshore SSE winds. The combined energy is solid (622), and conditions are clean. That's your top pick.
Saturday afternoon the 8th sees the swell bump to 4ft from the ESE with a longer 13-second period, but the wind shifts cross-offshore and it gets a bit iffy. Still, the energy jumps to 952, so if you can work around the tide, there's a good wave.
Sunday the 9th has a bigger 6ft ESE swell with 13-second periods and strong energy (1131), but the wind is on it – cross-onshore then cross-shore, bringing ripples and chop. Quality drops.
From Monday the 10th through to Wednesday the 20th, it's mostly a mess. Strong cross-onshore winds, lumpy and choppy conditions, and a lot of poor surf ratings. There's a brief window on Tuesday morning the 11th with a 6ft E swell and clean cross-offshore winds from the SW, but the energy is dropping (927) and it's still called marginal. The swell sticks around, but the wind ruins it.
Then, late on Thursday the 20th, things turn around. Thursday afternoon has a 6ft S swell with light offshore SSE winds, clean conditions, and moderate energy (624). The forecast says "very good surf conditions" – that's your second highlight.
Friday the 21st keeps it clean with a smaller 4ft S swell in the morning (energy 254) and light cross-offshore winds, then a 3ft SSW swell in the afternoon with offshore winds (energy 237). Both are clean and surfable.
After that, the weekend of the 22nd and 23rd fades fast. Saturday the 22nd has tiny 2ft SE swell, clean but very weak (energy around 130). Sunday the 23rd picks up to 3ft SE swell with a longer 12-second period, but the wind swings onshore and it's choppy and poor.
So, bottom line: the absolute standout is Saturday morning the 8th – clean, solid 4ft S swell with light offshore wind. The backup is Thursday afternoon the 20th, another clean window with 6ft S swell and offshore breeze. Everything in between is a fight with the wind. Ohara can be inconsistent, and this stretch proves it, but those two windows are worth the wait.
Rusty.
Short Range ForecastMostly dry. Warm (max 28°C on Sat morning, min 22°C on Mon night). Winds increasing (calm on Sat night, fresh winds from the NE by Mon morning). | Days 4-6 Weather SummaryHeavy rain (total 31mm), heaviest during Wed afternoon. Warm (max 27°C on Tue afternoon, min 25°C on Tue morning). Winds decreasing (fresh winds from the SSW on Tue afternoon, light winds from the E by Wed night). | ||||||||||||||||||||
Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | |||||||||||||||
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) | S 11 | ESE 13 | ESE 14 | ESE 13 | ESE 13 | ESE 12 | E 12 | E 11 | E 11 | E 11 | E 10 | E 10 | E 9 | E 9 | E 10 | E 11 | E 10 | E 11 | E 9 | E 9 | E 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 350 | 624 | 1053 | 998 | 938 | 781 | 997 | 951 | 819 | 730 | 543 | 392 | 202 | 189 | 234 | 657 | 426 | 564 | 896 | 766 | 875 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | off | cross-on | cross | on | cross-on | cross-on | on | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-on | cross | cross | cross-on | cross | cross |
High Tide | 10:31PM1.32m | 4:05PM1.23m | 00:13AM1.33m | 4:26PM1.30m | 1:39AM1.38m | 4:49PM1.34m | 2:45AM1.44m | 5:12PM1.36m | 3:41AM1.48m | 5:34PM1.37m | 4:31AM1.49m | 5:55PM1.38m | |||||||||
Low Tide | 7:27AM0.23m | 7:30PM1.17m | 8:32AM0.12m | 8:49PM1.11m | 9:24AM0.04m | 9:36PM1.00m | 10:08AM0.01m | 10:16PM0.88m | 10:46AM0.04m | 10:53PM0.75m | 11:21AM0.12m | 11:31PM0.63m | |||||||||
 | |  |  | |  | | | |  |  |  | | | | | | | | | | |
 | 4:50 | — | — | 4:52 | — | — | 4:52 | — | — | 4:54 | — | — | 4:54 | — | — | 4:54 | — | — | 4:56 | — | — |
 | — | 6:36 | — | — | 6:34 | — | — | 6:32 | — | — | 6:31 | — | — | 6:30 | — | — | 6:30 | — | — | 6:29 | — |
mm | — | — | — | — | — | — | — | — | — | — | 2 | 1 | 3 | 5 | 7 | 1 | 1 | 11 | 3 | 4 | 13 |
Temp °C | 28 | 27 | 25 | 27 | 27 | 24 | 26 | 25 | 23 | 26 | 27 | 27 | 27 | 27 | 26 | 27 | 27 | 26 | 27 | 27 | 26 |
Feels °C | 30 | 28 | 28 | 28 | 28 | 26 | 23 | 22 | 22 | 26 | 26 | 26 | 28 | 28 | 29 | 28 | 28 | 29 | 29 | 29 | 28 |
Swell 1 Height (m) Direction Period (s) | S 11 | ESE 13 | ESE 14 | ESE 13 | ESE 13 | ESE 12 | E 12 | E 11 | E 11 | E 11 | E 10 | E 10 | E 9 | E 9 | E 10 | E 10 | E 10 | E 11 | S 9 | S 9 | E 11 |
| kJ | 350 | 624 | 1053 | 998 | 938 | 781 | 997 | 951 | 819 | 730 | 543 | 392 | 202 | 189 | 234 | 470 | 426 | 564 | 44 | 45 | 875 |
Swell 2 Height (m) Direction Period (s) | ESE 9 | S 11 | S 11 | S 10 | S 10 | S 10 | S 11 | SSW 11 | S 10 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | SSE 11 | SSE 11 | SSE 10 |
| kJ | 236 | 282 | 231 | 133 | 106 | 102 | 85 | 100 | 77 | 82 | 85 | 77 | 77 | 106 | 80 | 74 | 73 | 49 | 12 | 23 | 39 |
Swell 3 Height (m) Direction Period (s) | E 14 | E 10 | SW 14 | — | SW 12 | SW 12 | SW 12 | SE 14 | SW 12 | SSW 10 | SSW 11 | SSW 10 | SE 4 | SSE 12 | SE 12 | SE 12 | SSE 11 | SSE 11 | SE 16 | SE 15 | SSW 9 |
| kJ | 36 | 46 | 29 | — | 84 | 38 | 38 | 8 | 21 | 115 | 128 | 146 | 8 | 14 | 21 | 5 | 13 | 24 | 10 | 9 | 28 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | SE 4 | ESE 4 | — | NNE 8 | E 11 | — | — | E 9 | E 9 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 10 | 8 | — | 33 | 657 | — | — | 896 | 766 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 111 | 0 | 9 | 111 | 9 | 64 | 64 | 30 | 9 | 206 | 0 | 58 | 111 | 0 | 6 | 58 | 58 | 58 | 111 | 58 |
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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