Surf Forecasts:
Ohara surf forecast from 27 Aug 2026:
- Best quality surf: Thursday 27 Aug, 9PM (local time) - 2.5ft (0.7m), 13s period, E swell with cross-offshore winds.
- Most powerful swell: Thursday 3 Sep, 12PM (local time) - 5ft (1.6m), 12s period, S swell with 678 kJ wave energy.
- Next surfable swell (1★+): Thursday 27 Aug, 9PM (local time) - 2.5ft (0.7m), 13s 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 (Aug 27) at 9PM. The primary swell is predicted to be 0.7m and 13s period with a secondary swell of 0.9m and 6s. 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 1.6m 12s and forecast to arrive on Thursday (Sep 03) at 12PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 6s period and expected on Friday (Aug 28) at 3AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Thu 27th Aug) | 2.5ft (0.7m) 13s |
| Best Surf | 9PM (Thu 27th Aug) | 2.5ft (0.7m) 13s |
| Most Powerful | 12PM (Thu 3rd Sep) | 5ft (1.6m) 12s |
Table - best surf conditions forecast for Ohara over the next 16 days.
The Lowdown
Alright, let’s talk surf for Ohara. The next couple weeks are a slow start, but we've got some proper sessions coming.
The first few days? Forget it. Small, weak, messy wind. You’ll be sitting on the beach wondering why you brought your board. Nothing good until we hit the first week of September.
Thursday, September 1st is the first real light. The wind turns offshore and gentle from the SSE, and we get a clean 0.8m to 0.9m groundswell from the ESE. The period is a tasty 11 seconds, giving it some real push. The energy is moderate, but it’ll be clean and fun. Great for logging or a fish.
Wednesday, September 2nd keeps it going. Still offshore, still clean. The swell moves to the south at 1.1m. The energy is stepping up. Quality waves, no contest.
Now, the main event. Sunday, September 6th through Monday, September 7th. This is the one. A long-period south swell (13 seconds) builds from 1.7m up to 2.5m. The wave energy is massive. The wind is straight offshore from the SSW. This is proper groundswell. At 2.5m, it’s for experienced surfers only. Beginners, don’t even think about it. The long period will make the sets fat and powerful, so paddle out prepared. The water is sitting at 82°F, a touch warmer than usual, so you’ll be in spring suits or boardies.
Tuesday, September 8th pushes even bigger to 3.0m from the south. That’s expert territory only. The wind is still offshore but strong. It’ll be a monster, too big for the break for most people.
After that, the swell drops back, but the conditions stay clean. Friday, September 11th offers a small, glassy window with a 0.8m swell that’ll be clean and easy.
Best of the bunch? Sunday, September 6th (afternoon) and Monday, September 7th. Clean, solid swell, proper offshore wind. That’s your window.
- Rusty
Short Range ForecastLight rain (total 4mm), mostly falling on Thu afternoon. Warm (max 29°C on Thu afternoon, min 23°C on Sat night). Winds decreasing (fresh winds from the SW on Thu afternoon, calm by Fri morning). | Days 5-7 Weather SummaryLight rain (total 5mm), mostly falling on Tue morning. Warm (max 29°C on Mon morning, min 24°C on Sun afternoon). Wind will be generally light. | |||||||||||||||||||
Thu 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | ||||||||||||||
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 13 | E 13 | E 12 | E 12 | E 12 | E 12 | NE 5 | E 11 | E 11 | E 11 | E 11 | E 11 | S 10 | S 10 | ESE 11 | ESE 11 | E 12 | S 10 | S 10 | SSW 10 |
Wave Graph  | ||||||||||||||||||||
 kJ | 173 | 163 | 151 | 103 | 99 | 96 | 64 | 58 | 62 | 61 | 56 | 56 | 78 | 125 | 173 | 158 | 262 | 252 | 247 | 370 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | on | cross-off | cross | cross | cross | on | cross-on | cross | cross-off | cross-off | off | off | off | off | off | off | off | off |
High Tide | 4:50PM1.32m | 3:49AM1.41m | 5:07PM1.36m | 4:29AM1.43m | 5:24PM1.39m | 5:09AM1.42m | 5:43PM1.41m | 5:50AM1.39m | 6:02PM1.43m | 6:34AM1.32m | 6:22PM1.43m | 7:23AM1.23m | 6:45PM1.43m | |||||||
Low Tide | 10:14PM0.75m | 10:34AM0.19m | 10:44PM0.63m | 11:02AM0.24m | 11:16PM0.53m | 11:29AM0.32m | 11:48PM0.43m | 11:56AM0.44m | 00:24AM0.36m | 12:21PM0.57m | 1:03AM0.32m | 12:45PM0.72m | 1:48AM0.31m | |||||||
 |  | | |  |  |  | | | | |  | |  | | |  | | |  | |
 | — | — | 5:07 | — | — | 5:07 | — | — | 5:07 | — | — | 5:09 | — | — | 5:09 | — | — | 5:09 | — | — |
 | 6:13 | — | — | 6:12 | — | — | 6:09 | — | — | 6:08 | — | — | 6:07 | — | — | 6:06 | — | — | 6:05 | — |
mm | 1 | — | 2 | 1 | — | — | — | — | — | — | — | — | — | — | 2 | — | 3 | — | — | 1 |
Temp °C | 29 | 27 | 27 | 27 | 26 | 27 | 26 | 26 | 25 | 25 | 26 | 29 | 29 | 26 | 28 | 28 | 27 | 28 | 28 | 27 |
Feels °C | 29 | 28 | 31 | 30 | 29 | 28 | 27 | 30 | 28 | 28 | 30 | 29 | 30 | 29 | 30 | 31 | 31 | 29 | 30 | 28 |
Swell 1 Height (m) Direction Period (s) | E 13 | S 9 | SSW 6 | SSW 6 | SSW 8 | E 12 | E 11 | ENE 5 | E 11 | E 11 | E 11 | NE 7 | S 10 | S 10 | ESE 11 | ESE 11 | E 12 | S 10 | E 10 | S 10 |
| kJ | 173 | 83 | 58 | 44 | 60 | 96 | 60 | 21 | 62 | 61 | 56 | 25 | 78 | 125 | 173 | 158 | 262 | 252 | 138 | 247 |
Swell 2 Height (m) Direction Period (s) | SSE 10 | E 13 | E 12 | E 12 | E 12 | S 8 | SSE 11 | E 11 | NE 5 | SSW 6 | NE 6 | E 11 | NE 7 | ESE 12 | S 10 | S 9 | S 9 | E 11 | SE 10 | E 10 |
| kJ | 58 | 163 | 151 | 103 | 99 | 31 | 47 | 58 | 13 | 13 | 19 | 56 | 24 | 98 | 118 | 106 | 106 | 184 | 16 | 122 |
Swell 3 Height (m) Direction Period (s) | S 11 | SE 10 | S 8 | S 8 | SE 9 | SE 11 | SSW 8 | SE 10 | SE 10 | SE 10 | SE 10 | S 12 | E 11 | NE 7 | NE 7 | NE 8 | S 11 | SSE 10 | S 15 | SE 10 |
| kJ | 56 | 26 | 35 | 33 | 23 | 30 | 19 | 27 | 26 | 26 | 26 | 41 | 35 | 23 | 23 | 28 | 40 | 10 | 4 | 16 |
Wind waves Height (m) Direction Period (s) | SSW 5 | SW 6 | SW 6 | — | — | NE 3 | NE 5 | — | — | NE 6 | — | SSW 5 | SSW 4 | — | — | — | — | — | S 10 | SSW 10 |
| kJ | 66 | 32 | 95 | — | — | 4 | 64 | — | — | 15 | — | 12 | 11 | — | — | — | — | — | 247 | 370 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 92 | 15 | 6 | 0 | 58 | 64 | 143 | 9 | 6 | 62 | 0 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 106 |
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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