Ohara Surf Break

Lat Long: 35.25° N 140.40° E

Ohara Surf Forecast and Surf Report

Issued: 2 am 07 Aug 2026 (local time)

Forecast update in  hr  min

Today's Ohara sea temperature is
24.5° C
2.0° 

Ohara surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Ohara surf forecast from 6 Aug 2026:

  • Best quality surf: Friday 7 Aug, 9AM (local time) - 6ft (1.8m), 12s period, S swell with offshore winds.
  • Most powerful swell: Thursday 13 Aug, 6PM (local time) - 7ft (2.2m), 12s period, E swell with 1,344 kJ wave energy.
  • Next surfable swell (1★+): Friday 7 Aug, 9AM (local time) - 6ft (1.8m), 12s 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 Friday (Aug 07) at 9AM. The primary swell is predicted to be 1.8m and 12s period with a secondary swell of 1.4m 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 2.2m 12s and forecast to arrive on Thursday (Aug 13) at 6PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 7s period and expected on Thursday (Aug 13) at 12PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 9AM (Fri 7th Aug)6ft (1.8m) 12s
Best Surf 9AM (Fri 7th Aug)6ft (1.8m) 12s
Most Powerful 6PM (Thu 13th Aug)7ft (2.2m) 12s

Table - best surf conditions forecast for Ohara over the next 16 days.


The Lowdown

Alright, Rusty here. Let’s have a look at what’s on the table for our local patch, Ohara.

First up, don’t get too excited straight away. The good stuff is front-loaded this week, but we’re looking at a solid run of surf right now with some proper S swell energy pushing in. Water temp is sitting at 76°, which is a couple of degrees cooler than we’d normally expect for this time of year, so you’ll want a spring suit if you’re fussy.

Friday 7 August morning is the standout. Ohara is seeing a 6ft S swell with a 12-second period and a combined energy of 1314 (strong wave energy). That’s proper groundswell. Wind is light offshore from the SSE at 9 mph, keeping it glassy and clean. This is excellent, powerful surf for experienced surfers only – over 5ft, so it’s not for beginners. The swell direction is S, right on the money for this exposed break. Crowds are sometimes an issue here, so expect company on a Friday morning.

Friday afternoon drops a little to 5ft S swell, still clean with offshore wind, but the energy eases to 963 (moderate). Still very good, just not as punchy as the morning.

Saturday 8 August the swell backs off to 4ft from the SE in the morning with a 11-second period and 622 energy (moderate). Winds are light cross-offshore, so it’s clean but smaller. Afternoon picks up a bit to 4ft from the ESE with a longer 13-second period, pushing energy back up to 952, but the wind shifts cross-offshore and conditions get a bit more marginal on the tide.

Sunday 9 August sees the swell push back up to 6ft from the ESE with a 13-second period and strong energy around 1132-1136. Problem is the wind goes cross-onshore, making it lumpy. It’s not terrible, but it’s not the clean, lined-up stuff we had Friday.

Monday 10 August is a write-off. Onshore wind hits 19 mph, making it choppy and poor. Skip it.

Tuesday 11 August starts rough with a 7ft ENE swell and cross-onshore wind, so it’s a choppy mess. But the afternoon swings around – wind goes offshore from the SSW at 12 mph, the swell drops to 5ft from the east with a 10-second period and 577 energy (moderate). Clean and very good surf, but the morning is a write-off.

From Wednesday 12 August onwards, the energy drops off hard. Swell heights stay under 5ft, periods shorten, and winds turn mostly cross-onshore or onshore. There’s a brief flicker on Monday 17 August afternoon with a 4ft ESE swell, 10-second period, and clean cross-offshore wind, scoring as good surf. But it’s small and inconsistent.

After that, it’s a long stretch of poor conditions from Tuesday 18 August all the way through to the end of the forecast on 22 August. Swell drops to under 4ft, winds are cross-onshore or onshore, and energy is weak (under 500). Not worth paddling out.

So, bottom line: Friday 7 August morning is your best bet – solid S groundswell, offshore wind, clean and powerful. Tuesday afternoon is a decent backup. After that, it’s a waiting game. The break is inconsistent at the best of times, so a blank run like this isn’t unusual. Forecasts can change, but right now, it’s looking quiet.

Rusty.

Short Range Forecast

Light rain (total 2mm), mostly falling on Fri morning. Warm (max 28°C on Fri morning, min 23°C on Sun night). Wind will be generally light.

Days 4-6 Weather Summary

Heavy rain (total 21mm), heaviest during Tue night. Warm (max 27°C on Wed afternoon, min 23°C on Mon night). Winds decreasing (fresh winds from the NE on Mon morning, light winds from the E by Wed afternoon).

Friday
7
Saturday
8
Sunday
9
Monday
10
Tuesday
11
Wednesday
12
Thursday
13
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
4
3
3
3
2
4
3
3
0
0
0
0
2
3
1
1
1
0
0
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.8
S
12
1.5
S
12
1.4
S
11
1.2
S
11
1.3
ESE
13
1.7
ESE
14
1.7
ESE
13
1.7
ESE
13
1.6
ESE
12
1.7
E
12
1.8
E
11
2.1
ENE
11
2.1
ENE
10
1.5
E
10
1.3
ENE
10
0.9
NE
10
0.8
E
9
0.9
E
10
1.6
E
11
2.1
E
12
2.2
E
12
Wave Graph
Metric surfscale
Energy kJ
948
617
457
350
624
1053
998
903
781
800
769
961
804
477
322
139
110
159
599
1266
1277
Wind (km/h)
15
SSE
20
SSE
10
S
10
SE
15
SE
5
S
10
ENE
15
E
15
NNE
30
NNE
30
NE
30
NNE
15
NNE
20
SSW
20
SSW
15
SE
15
ESE
15
NE
20
NE
20
ENE
15
NNE
Wind State
off
off
off
cross-off
cross-off
off
cross-on
cross
on
cross-on
cross-on
on
cross-on
off
cross-off
cross-off
cross-off
cross-on
cross-on
cross
on
High Tide
1:01PM1.01m
9:20PM1.34m
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
Low Tide
2:16PM1.01m
6:04AM0.33m
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
thunderstorm
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
clear
part cloud
rain showers
thunderstorm
thunderstorm
thunderstorm
part cloud
clear
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:50
4:50
4:52
4:52
4:54
4:54
4:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:37
6:36
6:34
6:32
6:31
6:30
6:30
 mm
2
8
4
2
7
2
Temp °C
28
28
26
27
27
25
27
27
24
25
26
23
26
26
25
26
27
24
26
26
25
Feels °C
31
30
29
31
28
28
28
28
26
23
24
21
27
25
24
27
28
26
27
27
28
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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