Ohara Surf Break

Lat Long: 35.25° N 140.40° E

Ohara Surf Forecast and Surf Report

Issued: 2 am 06 Sep 2026 (local time)

Forecast update in  hr  min

Today's Ohara sea temperature is
27.8°C
1.4° 

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


Ohara surf forecast from 5 Sep 2026:

  • Best quality surf: Monday 7 Sep, 9AM (local time) - 10ft (3.0m), 8s period, SE swell with cross-offshore winds.
  • Most powerful swell: Monday 7 Sep, 9PM (local time) - 10ft (3.0m), 9s period, S swell with 1,672 kJ wave energy.
  • Next surfable swell (1★+): Monday 7 Sep, 9AM (local time) - 10ft (3.0m), 8s period with SE 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 (Sep 07) at 9AM. The primary swell is predicted to be 3.0m and 8s period. 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 3.0m 9s and forecast to arrive on Monday (Sep 07) at 9PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 8s period and expected on Monday (Sep 07) at 9AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 9AM (Mon 7th Sep)10ft (3.0m) 8s
Best Surf 9AM (Mon 7th Sep)10ft (3.0m) 8s
Most Powerful 9PM (Mon 7th Sep)10ft (3.0m) 9s

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


The Lowdown

Alright folks, Rusty here. Let’s look at what’s happening at Ohara over the next couple of weeks.

Right off the bat, we’ve got a bit of a wait. The weekend is a washout – Sunday serves up lumpy, cross-onshore slop and heavy rain, so don’t even bother. We’re looking at a couple of days of nothing worth paddling for.

Things finally turn around on Monday morning. The swell comes up to 10ft from the SE, with a period of 8 seconds, and clean offshore wind. The combined energy is a hefty 1003 (moderate wave energy). That’s a lot of power. But honestly, 10ft is too big for most of us – this is expert-only territory. The afternoon holds similar size, 10ft from the S, with a strong offshore breeze and a combined energy of 1848 (strong wave energy). The waves will be clean, but you’d better be on your game.

Tuesday morning drops back to 7ft from the S, period 9 seconds, with clean cross-offshore wind. It’s still a decent size, but the conditions are tricky. The afternoon is a bit smaller at 6ft from the SSE, with light winds and clean faces. The combined energy is 611 (moderate wave energy). This is a much more manageable window for the keen intermediate.

Wednesday looks clean but the tide might mess with it. The morning has 7ft from the S, but a fresh breeze. The afternoon pushes 8ft from the SSW, which is again pushing the limit for most. The energy is strong at 1555.

Thursday is the best bet for the average surfer. Morning brings 5ft from the S, period 8 seconds, with light cross-offshore wind and a combined energy of 479 (moderate wave energy). It’s clean, it’s manageable, and it’s the pick of the week.

After that, things get rough. From Friday onwards, the swell drops to tiny, weak, and messy. The wind swings onshore from the NE, and the combined energy drops to two-digit numbers. We’re looking at a long, flat spell from Friday through to the following Monday morning. The afternoon of the 15th (Tuesday) shows a bit of life with 4ft from the ESE, light wind, and clean conditions. The 16th (Wednesday) has 4ft from the ESE with light offshore wind and clean surf. Combined energy is around 298 (weak to moderate). It’s small but surfable for a longboard or a fun board.

The water temperature is sitting at 28°, which is a touch warmer than normal for this time of year. That’s a nice bonus.

The standout is definitely Monday morning (7th September) for the big wave crew – 10ft from the SE, clean, and raw power. For the rest of us, Thursday morning (10th September) is the one to circle: 5ft from the S, clean, light wind, and much more forgiving. Ohara is inconsistent, so when it’s good, it’s worth the wait.

Stay sharp.

- Rusty

Short Range Forecast

Heavy rain (total 143mm), heaviest during Sun afternoon. Warm (max 27°C on Mon morning, min 22°C on Sun morning). Winds decreasing (strong winds from the S on Mon afternoon, light winds from the WSW by Tue morning).

Days 4-6 Weather Summary

Light rain (total 5mm), mostly falling on Wed afternoon. Warm (max 28°C on Wed morning, min 21°C on Wed night). Wind will be generally light.

Sunday
6
Monday
7
Tuesday
8
Wednesday
9
Thursday
10
Friday
11
Saturday
12
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
1
!
!
2
2
3
2
1
2
0
2
1
0
1
0
0
0
0
0
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
E
6
2.2
E
7
2.4
ESE
8
3
SE
8
3
S
9
2.3
S
9
2
S
9
1.8
SSE
9
2
S
9
2
S
9
2.5
SSW
9
1.6
S
9
1.4
S
8
1.2
S
8
1
S
8
0.5
E
14
0.5
E
14
0.6
E
14
0.6
E
14
0.6
E
14
0.6
E
14
Wave Graph
Metric surfscale
Energy kJ
255
439
672
1003
1487
904
675
540
670
607
929
398
279
190
125
106
100
136
134
132
132
Wind (km/h)
30
NE
35
ENE
35
ESE
40
SE
45
S
30
SW
15
SW
10
SSW
25
SSW
30
SW
25
SW
30
NNE
10
WSW
20
SSW
15
NE
5
NNE
15
NE
15
NE
20
NE
20
NE
10
NNE
Wind State
cross-on
cross-on
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
on
cross-off
cross-off
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
4:18PM1.20m
10:02PM1.24m
3:36PM1.25m
00:33AM1.25m
3:48PM1.29m
1:57AM1.32m
4:05PM1.33m
2:57AM1.39m
4:23PM1.35m
3:48AM1.44m
4:41PM1.38m
4:33AM1.45m
5:00PM1.41m
Low Tide
5:37PM1.19m
7:21AM0.28m
8:09PM1.10m
8:22AM0.21m
8:52PM0.96m
9:09AM0.17m
9:27PM0.80m
9:47AM0.19m
10:00PM0.64m
10:21AM0.25m
10:33PM0.50m
10:51AM0.34m
11:06PM0.38m
light rain
heavy rain
thunderstorm
thunderstorm
mod rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
light rain
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:13
5:13
5:15
5:15
5:16
5:16
5:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:59
5:58
5:55
5:54
5:53
5:52
5:51
 mm
4
41
65
13
7
4
3
2
4
3
2
Temp °C
24
23
25
27
27
26
27
27
27
28
28
23
25
26
22
24
23
22
24
24
23
Feels °C
22
21
25
25
25
27
30
32
30
29
29
23
25
27
23
27
25
23
26
25
25
  • 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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