Ohara Surf Break

Lat Long: 35.25° N 140.40° E

Ohara Surf Forecast and Surf Report

Issued: 2 am 21 Aug 2026 (local time)

Forecast update in  hr  min

Today's Ohara sea temperature is
26.9° C
0.1° 

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


Ohara surf forecast from 20 Aug 2026:

  • Best quality surf: Monday 24 Aug, 6AM (local time) - 5.5ft (1.7m), 19s period, SSE swell with glassy winds.
  • Most powerful swell: Monday 24 Aug, 9AM (local time) - 6.5ft (2.0m), 18s period, SSE swell with 2,357 kJ wave energy.
  • Next surfable swell (1★+): Friday 21 Aug, 12PM (local time) - 1.5ft (0.4m), 11s 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 Friday (Aug 21) at 12PM. The primary swell is predicted to be 0.4m and 11s period with a secondary swell of 0.5m and 8s. Another secondary swell of 0.5m and 8s is also forecast. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Ohara in the next 16 days are 2.0m 18s and forecast to arrive on Monday (Aug 24) at 9AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 5s period and expected on Saturday (Aug 22) at 6AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+)12PM (Fri 21st Aug)1.5ft (0.4m) 11s
Best Surf 6AM (Mon 24th Aug)5.5ft (1.7m) 19s
Most Powerful 9AM (Mon 24th Aug)6.5ft (2.0m) 18s

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


The Lowdown

Right then, let’s have a look at what’s on the cards for Ohara. The first half of the run is pretty average, but there’s a real standout window shaping up, and a couple of interesting, though far-off, pulses to keep an eye on.

We’ve got a bit of a flat start, but come Friday morning, the 21st of August, there’s barely a pulse. A tiny 1 ft SE swell with a period of 11 seconds is on offer, but with a cross-off wind, it’s just not worth getting wet for. The energy is weak (113). This theme carries on through Saturday into Sunday, with small, messy waves and cross-onshore winds making a mess of things. The 3 ft E swell on Saturday afternoon is a slight step up, but it’s still not clean.

The first real standout is the morning of Monday, the 24th of August. Ohara (Ohara) wakes up to a glassy 7 ft SSE groundswell with a very long period of 18 seconds. The energy is massive (2516), and the wind is glassy – that’s a major positive. This is for experienced surfers only; it’s a serious wave. The afternoon keeps it clean with a gentle offshore, but the period drops to 15 seconds. The water temperature is 80°, which is about average for the time of year. This is the best on offer in the first week, no question.

Tuesday the 25th sees the swell building a touch to 8 ft from the SSE, but the wind goes cross-off and the quality drops into marginal territory. The energy is still high (2285), but conditions won’t be as clean. It’s a drop-off after Monday.

From Wednesday the 26th through to the end of the month, it’s a long stretch of poor to marginal surf. The swell drops, the winds are mostly cross-off or cross-onshore, and the energy values are moderate. Thursday the 27th has a 3 ft SSW swell but with light rain and a 15 mph cross-off, it’s not appealing. Friday the 28th has a 6 ft SSW swell with a fresh 22 mph cross-off wind – that’s more like a kite session than a pure surf. The energy is strong (1044), but the quality is poor.

The next real standout is a long way off, on the 1st of September. The morning of Tuesday, 1st September, brings a clean 4 ft SE swell with a 6 mph offshore wind. The energy is moderate (506) and the conditions are looking very good. This is a solid option for the second week.

Then, on the 2nd of September, Wednesday afternoon, we get another standout. The swell is 7 ft from the E with a moderate offshore wind, and the energy is strong (1307). The conditions are excellent for experienced surfers.

Now, a word of caution. On the 3rd of September, the model is showing a massive 33 ft ESE swell with a very long period of 18 seconds. The energy is incredible (98121), but the file says it’s too big for this break. That’s a monster, and it’s not for the faint of heart. It’s a long-range call, so very promising but less certain.

– Rusty

Short Range Forecast

Light rain (total 4mm), mostly falling on Sat afternoon. Warm (max 28°C on Sat morning, min 23°C on Sun night). Wind will be generally light.

Days 4-6 Weather Summary

Light rain (total 2mm), mostly falling on Tue night. Warm (max 28°C on Tue morning, min 25°C on Mon morning). Wind will be generally light.

Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
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
1
0
1
2
1
0
0
1
4
4
4
3
2
2
3
2
2
2
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.5
S
9
0.4
SE
10
0.5
E
9
0.8
E
11
1
E
11
1
E
10
0.7
E
9
0.8
ENE
9
0.8
SSE
13
2
SSE
18
2
SSE
15
2.2
SSE
14
2.3
SSE
14
2.3
S
14
2
S
13
1.5
S
13
0.9
SSW
12
1.1
SSE
9
1.2
SSE
8
0.8
E
14
0.8
E
13
Wave Graph
Metric surfscale
Energy kJ
40
39
41
151
233
198
83
110
210
2357
1804
2020
2012
2127
1391
747
254
211
212
249
222
Wind (km/h)
20
SSW
20
SSW
20
SW
20
SW
15
SW
10
NNE
15
NE
15
ENE
10
NNE
5
ESE
15
S
15
SSW
20
SW
25
SSW
25
SSW
20
SW
20
SSW
20
SSW
20
SSW
25
SSW
35
SSW
Wind State
cross-off
off
cross-off
cross-off
cross-off
on
cross-on
cross-on
cross-on
glassy
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
High Tide
8:25PM1.27m
9:20PM1.21m
4:18PM1.16m
11:48PM1.19m
4:09PM1.21m
1:23AM1.23m
4:19PM1.25m
2:22AM1.30m
4:34PM1.29m
3:08AM1.36m
4:50PM1.32m
Low Tide
5:46AM0.49m
7:17AM0.44m
7:38PM1.13m
8:17AM0.36m
8:41PM1.05m
8:59AM0.28m
9:15PM0.96m
9:34AM0.22m
9:45PM0.85m
10:05AM0.19m
10:14PM0.75m
part cloud
clear
part cloud
part cloud
thunderstorm
thunderstorm
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
rain showers
thunderstorm
cloud
part cloud
thunderstorm
light rain
heavy rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:01
5:01
5:03
5:03
5:03
5:05
5:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:21
6:19
6:17
6:16
6:15
6:14
6:13
 mm
2
2
1
1
2
1
13
Temp °C
27
27
26
28
27
25
26
25
24
27
27
26
28
28
27
28
28
27
27
25
25
Feels °C
29
28
28
29
29
28
27
26
27
30
29
28
30
30
29
30
29
29
29
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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