Ohara Surf Break

Lat Long: 35.25° N 140.40° E

Ohara Surf Forecast and Surf Report

Issued: 2 pm 11 Aug 2026 (local time)

Forecast update in  hr  min

Today's Ohara sea temperature is
27.7° C
1.0° 

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


Ohara surf forecast from 11 Aug 2026:

  • Best quality surf: Sunday 16 Aug, 3PM (local time) - 11ft (3.5m), 11s period, ENE swell with onshore winds.
  • Most powerful swell: Sunday 16 Aug, 12PM (local time) - 11ft (3.5m), 11s period, ENE swell with 2,767 kJ wave energy.
  • Next surfable swell (1★+): Sunday 16 Aug, 3PM (local time) - 11ft (3.5m), 11s period with ENE 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 Sunday (Aug 16) at 3PM. The primary swell is predicted to be 3.5m and 11s period with a secondary swell of 0.4m and 11s. Another secondary swell of 0.7m and 4s is also forecast. The wind is predicted to be onshore as the swell arrives.

The most powerful waves expected at Ohara in the next 16 days are 3.5m 11s and forecast to arrive on Sunday (Aug 16) at 12PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 7s period and expected on Sunday (Aug 16) at 9AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 3PM (Sun 16th Aug)11ft (3.5m) 11s
Best Surf 3PM (Sun 16th Aug)11ft (3.5m) 11s
Most Powerful12PM (Sun 16th Aug)11ft (3.5m) 11s

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


The Lowdown

Alright, let me break this down for you. This is the local picture for Ohara, and it's a bit of a mixed bag over the next couple of weeks.

Right off the bat, we've got some solid energy in the water. Tuesday the 11th sees a 6.9 ft E swell rolling in with a 12-second period, packing a punch with moderate wave energy (1313). The water’s sitting at a warm 81.9°, which is a touch above the usual for this time of year. But here’s the rub: that cross-off wind is a fresh 18.6 mph, keeping things clean enough but a little lumpy. It’s surfable, just not a stand-out session.

Things go a bit sideways from Wednesday the 12th through to the 16th. We get a mix of risk of thunderstorms, fresh onshore winds, and the swell jumps up to 11.5 ft with a very strong combined energy (2496-2636). That is way too big for this spot, and the conditions are consistently poor. Honestly, for a few days there, with that much cross-onshore wind and big lumpy surf, this setup looks more interesting for kite surfing than paddle surfing. You’d be mad to paddle out.

But the real highlight comes in a glassy window. Monday the 17th is your day. It’s the only standout on offer for the whole outlook. We’ve got a clean 5.6 ft swell from the east, with a 9-second period. The wind goes glassy in the morning, dead calm (3.1 mph), so the conditions will be perfect. It’s a quality window for an intermediate surf. The swell energy is moderate (518), and the break is inconsistent here, so you'll be sitting for a bit between sets, but when they come, they’ll be clean. Expect some company though, as crowds are sometimes a thing here.

After that, the surf drops right off. From the 18th onwards, we’re looking at small, weak waves—mostly under 3.3 ft—with very ordinary conditions. There’s a tiny window on the 20th with another glassy morning (3.9 ft S swell, 8-second period), and again on the 26th, where a bigger 7.2 ft SSE swell (1319 energy) shows up with offshore wind, but that’s a full 15 days out, so treat that as a promising but less certain long-range call. For now, after the 17th, expect a long stretch of small, clean but pretty gutless surf.

Bottom line: Don’t bother with anything until that Monday the 17th. Make the most of that glassy morning at Ohara, then accept the flat spell that follows.

Short Range Forecast

Heavy rain (total 83mm), heaviest during Tue night. Warm (max 27°C on Thu morning, min 23°C on Tue night). Winds decreasing (strong winds from the SSW on Tue night, light winds from the NNW by Wed night).

Days 5-7 Weather Summary

Moderate rain (total 10mm), heaviest on Fri night. Warm (max 27°C on Fri afternoon, min 22°C on Sat night). Winds decreasing (fresh winds from the NE on Sat afternoon, calm by Mon morning).

Tue
11
Wednesday
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
2
0
1
1
0
0
0
0
0
2
0
0
0
0
!
3
3
2
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.1
E
12
1.5
E
11
2.2
ESE
6
1.1
E
9
1.4
E
9
1.5
E
9
1.5
E
10
1.5
E
10
1.5
E
10
1.5
E
10
1.9
E
10
2.2
E
10
2.1
E
10
3
E
10
3.5
E
11
3.5
ENE
11
2.5
ENE
10
1.7
E
9
1.5
ENE
9
1.3
E
9
Wave Graph
Metric surfscale
Energy kJ
1229
514
383
201
320
375
426
434
434
424
646
913
821
1748
2469
2570
1314
452
307
269
Wind (km/h)
30
WSW
35
S
25
ESE
15
E
5
NNW
15
ENE
15
ENE
15
NNE
20
NNE
20
NE
15
NE
30
NNE
35
NE
30
N
35
NNW
20
NNW
10
WNW
5
S
20
SSW
20
SSW
Wind State
cross-off
off
cross-off
cross
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
on
cross
glassy
off
cross-off
High Tide
4:49PM1.34m
2:45AM1.44m
5:12PM1.36m
3:41AM1.48m
5:34PM1.37m
4:31AM1.49m
5:55PM1.38m
5:18AM1.46m
6:15PM1.39m
6:04AM1.38m
6:35PM1.39m
6:49AM1.29m
6:55PM1.40m
Low Tide
9:36PM1.00m
10:08AM0.01m
10:16PM0.88m
10:46AM0.04m
10:53PM0.75m
11:21AM0.12m
11:31PM0.63m
11:52AM0.24m
00:09AM0.53m
12:20PM0.38m
00:47AM0.46m
12:44PM0.53m
1:27AM0.43m
mod rain
heavy rain
mod rain
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
clear
thunderstorm
part cloud
part cloud
light rain
cloud
part cloud
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:54
4:54
4:56
4:56
4:56
4:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:31
6:30
6:30
6:29
6:28
6:27
6:25
 mm
10
52
7
7
2
1
3
1
8
2
Temp °C
24
23
25
26
25
27
27
25
27
27
25
26
26
23
26
27
24
27
28
26
Feels °C
22
18
24
28
29
29
29
28
28
28
28
25
23
20
24
27
25
30
30
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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