Ohara Surf Break

Lat Long: 35.25° N 140.40° E

Ohara Surf Forecast and Surf Report

Issued: 8 am 26 Aug 2026 (local time)

Forecast update in  hr  min

Today's Ohara sea temperature is
27.9°C
1.1° 

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


Ohara surf forecast from 26 Aug 2026:

  • Best quality surf: Wednesday 2 Sep, 6AM (local time) - 3.5ft (1.1m), 15s period, SSW swell with offshore winds.
  • Most powerful swell: Wednesday 2 Sep, 12PM (local time) - 4.5ft (1.3m), 16s period, SSW swell with 839 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 10s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Ohara in the next 16 days are 1.3m 16s and forecast to arrive on Wednesday (Sep 02) 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 1.2m 6s period and expected on Thursday (Aug 27) at 12PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Thu 27th Aug)2.5ft (0.7m) 13s
Best Surf 6AM (Wed 2nd Sep)3.5ft (1.1m) 15s
Most Powerful12PM (Wed 2nd Sep)4.5ft (1.3m) 16s

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


The Lowdown

Alright folks, Rusty here. Let’s break down the next couple of weeks at Ohara.

Things start off slow, but there’s some serious muscle building in the second week, especially if you’ve got the experience to handle it. The first few days are pretty flat and dirty, so if you can be patient, you’ll be rewarded.

Wednesday morning the 26th is the best we’ve got in the near term. You’re looking at a clean 4ft swell from the south with a light cross-offshore breeze. The water is sitting at 82°, which is a touch warmer than normal for this time of year – feels nice. Combined energy is moderate at 475. It’s surfable and clean, but this spot is inconsistent, so you’ll be waiting between sets. It’s exposed, and crowds are possible. Not a standout, but it’s the best of the first week.

After that, we hit a long dry spell. From Wednesday afternoon the 26th all the way through to Tuesday morning the 1st of September, the conditions just aren’t there. We’ve got smaller swell, wrong winds, and mostly poor conditions. There’s a tiny glimmer on Tuesday afternoon the 1st of September – a clean, gentle offshore wind with a 2ft south swell showing up, but it’s small.

Now, here’s where it gets interesting. Wednesday the 2nd of September brings a serious jump in energy. A very long period groundswell of 4ft to 4ft from the south-southwest with a 15-second period. The combined energy is strong to very strong (1144 and 1200). The wind is offshore and clean. But here’s the thing – with a period that long, this wave will be fat and lined up, better suited to a reef or point break, not a beach setup. It’s also over 5ft, so it’s pushing it for beginners. The forecast scores are marginal, but the energy is real. Keep an eye on it, but don’t call it a lock.

Then, the real standout period arrives on Monday the 7th and Tuesday the 8th of September. Monday morning the 7th sees a 8ft south swell with a 14-second period, and combined energy is massive at 2136. That’s strong to very strong. The wind is cross-offshore and clean. This is big, powerful, and definitely only for experts – over 8ft and too much for anyone not comfortable in heavy water. Tuesday the 8th of September is the pick of the whole window. You’ve got a 7ft south swell with a 12-second period, combined energy of 1371, and a gentle offshore wind from the south. The conditions are described as excellent for experienced surfers. This is the one to aim for. Clean, powerful, proper groundswell. The only catch is that this spot is inconsistent, so the sets may be spread out, but when they come, they’ll be worth the paddle.

The rest of the second week drops off – smaller swell and onshore winds creep back in by Wednesday the 9th. So if I were you, I’d be marking the calendar for Tuesday the 8th of September.

Stay salty,
Rusty

Short Range Forecast

Heavy rain (total 21mm), heaviest during Thu morning. Warm (max 30°C on Wed morning, min 23°C on Thu afternoon). Mainly fresh winds.

Days 4-6 Weather Summary

Light rain (total 2mm), mostly falling on Sun night. Warm (max 26°C on Sat morning, min 24°C on Sat afternoon). Wind will be generally light.

Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
31
Tuesday
1
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
0
0
0
0
2
1
1
0
0
0
0
1
0
0
0
0
0
1
2
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.2
S
10
0.9
SSE
9
0.9
SSE
9
0.8
SSE
10
0.7
E
13
0.7
E
13
0.7
E
12
0.7
E
12
0.6
E
12
0.6
E
12
0.5
E
11
0.5
E
11
0.5
E
11
0.5
E
11
0.5
E
11
0.9
NE
7
0.9
NE
7
0.9
ENE
7
1
E
8
0.9
ENE
8
0.8
SSW
14
Wave Graph
Metric surfscale
Energy kJ
257
146
121
120
173
163
148
139
99
96
63
61
58
59
57
79
91
94
127
100
269
Wind (km/h)
10
WSW
25
SW
25
SW
25
SW
15
NNE
15
SW
25
SW
15
WSW
10
N
25
ENE
25
NE
10
NNE
10
ESE
10
ENE
15
NE
20
NNE
15
NE
10
NE
10
E
15
SSE
20
S
Wind State
cross-off
cross-off
cross-off
cross-off
cross-on
cross-off
cross-off
cross-off
on
cross-on
cross-on
cross-on
cross-off
cross
cross-on
cross-on
cross-on
cross-on
cross
off
off
High Tide
4:34PM1.29m
3:08AM1.36m
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
Low Tide
9:34AM0.22m
9:45PM0.85m
10:05AM0.19m
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
clear
clear
rain showers
thunderstorm
light rain
light rain
light rain
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
light rain
part cloud
part cloud
part cloud
part cloud
part cloud
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:05
5:05
5:07
5:07
5:07
5:09
5:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:14
6:13
6:12
6:09
6:08
6:07
6:06
 mm
1
10
4
5
1
2
2
Temp °C
30
29
27
29
24
25
28
28
25
26
25
25
26
26
25
24
25
24
28
28
27
Feels °C
31
30
29
32
25
29
30
30
27
25
23
27
29
29
28
25
27
26
31
31
30
  • 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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