Ohara Surf Break

Lat Long: 35.25° N 140.40° E

Ohara Surf Forecast and Surf Report

Issued: 8 pm 09 Sep 2026 (local time)

Forecast update in  hr  min

Today's Ohara sea temperature is
27.5°C
1.2° 

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


Ohara surf forecast from 9 Sep 2026:

  • Best quality surf: Sunday 13 Sep, 12PM (local time) - 2ft (0.6m), 13s period, E swell with cross-offshore winds.
  • Most powerful swell: Thursday 10 Sep, 12AM (local time) - 5.5ft (1.7m), 9s period, S swell with 450 kJ wave energy.
  • Next surfable swell (1★+): Sunday 13 Sep, 12PM (local time) - 2ft (0.6m), 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 Sunday (Sep 13) at 12PM. The primary swell is predicted to be 0.6m and 13s period with a secondary swell of 0.8m and 9s. 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 1.7m 9s and forecast to arrive on Thursday (Sep 10) at 12AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 7s period and expected on Friday (Sep 11) at 3AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+)12PM (Sun 13th Sep)2ft (0.6m) 13s
Best Surf12PM (Sun 13th Sep)2ft (0.6m) 13s
Most Powerful12AM (Thu 10th Sep)5.5ft (1.7m) 9s

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


The Lowdown

G’day, it’s Rusty here.

Alright, look. The next week and a half is going to test your patience if you’re hanging out for a wave. We’ve got a bit of a flat spell and a whole lot of junky onshore wind to deal with. The only spot on the radar is Ohara (Kauai), and honestly, it’s a slow burn before things get properly interesting.

Right now, this Thursday and Friday are write-offs. We’ve got fresh cross-onshore winds and lumpy conditions with junk swell – not worth paddling out for. Saturday is more of the same, just a bit weaker. It’s not until Sunday afternoon that we see the first real glimmer of hope. The wind swings to a light cross-offshore, and we get a clean 3ft of SE swell with 9-second period. It’s tiny, but it’s clean. The wave energy is still weak (267), but at least you won’t be getting beaten up.

Monday is the pick of this early run. A gentle offshore breeze and a bit more push – around 4ft to 4ft of SE swell. It stays clean through the day, and while it’s only small, it’s fun, clean, and the consistency is starting to show. Tuesday gets a bit messier with a risk of thunderstorms, and the swell is a bit all over the place. Wednesday morning looks magic though – flat calm, glassy conditions, and a clean 3ft of SE swell. That’s your window for a nice, easy session if you can get out there.

Then we go dry again. Thursday and Friday are back to small, poor, cross-onshore junk. Saturday is bigger but still messy.

Here’s where it gets serious. From Sunday the 20th, things start to ramp up big time. We’ve got a proper groundswell arriving – a long-period SSE swell, 16 seconds, and the energy readings just explode, going from moderate to very strong (2958 to 3184). Sunday afternoon looks incredible. Light cross-offshore breeze, clean 7ft faces, and that long-period energy will be macking down the reef. This is the standout of the whole forecast.

But hold on to your board. The 21st and 22nd see it get huge. We’re talking 11ft to 20ft of south swell with 16-18 second periods. The energy readings are off the charts – over 40,000 on Tuesday morning. This is serious, expert-only territory, and honestly, the swell is predicted to be too big for this break. It’ll be a washing machine. Then Wednesday the 23rd gets truly wild – 25ft of swell with a 50 mph offshore gale. That’s not surfing, that’s a survival mission. Don’t even think about it.

The energy gets jumbled and the wind goes onshore after that, so the window is short and intense. The real takeaway: get your fix Monday or Wednesday morning of this week, and then mark your calendar for Sunday the 20th. That’s the one. It’s a long-range call, so treat it as promising rather than certain, but all the ingredients are there for a proper session at Ohara. The water temp is about average for this time of year, so nothing weird there.

Keep it salty.

Rusty

Short Range Forecast

Heavy rain (total 33mm), heaviest during Wed night. Warm (max 23°C on Sat morning, min 19°C on Wed night). Winds decreasing (fresh winds from the NE on Wed night, light winds from the N by Fri night).

Days 5-7 Weather Summary

Light rain (total 5mm), mostly falling on Mon night. Warm (max 28°C on Tue morning, min 22°C on Sat night). Wind will be generally light.

Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
1
2
2
2
2
2
1
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.7
S
9
1.6
NE
7
1.5
ENE
7
1.7
ENE
7
0.5
E
14
0.5
E
14
0.6
E
14
0.6
E
14
0.6
E
13
0.6
E
13
0.8
SE
9
0.9
SE
9
1
SE
9
1.1
SE
9
1.2
SE
9
1.3
SE
8
1.4
SE
8
0.7
E
14
0.7
E
13
Wave Graph
Metric surfscale
Energy kJ
450
244
249
266
106
101
136
134
128
128
101
132
152
179
235
232
210
200
167
Wind (km/h)
35
NE
30
NNE
25
NE
20
NNE
20
N
20
NNE
15
N
20
NNE
15
NE
15
NNE
10
NNE
10
ESE
10
S
15
S
20
SSW
15
SSW
25
SW
15
SW
5
ENE
Wind State
cross-on
cross-on
cross-on
on
on
on
on
cross-on
cross-on
on
cross-on
cross-off
off
off
off
off
cross-off
cross-off
glassy
High Tide
2:57AM1.39m
4:23PM1.35m
3:48AM1.44m
4:41PM1.38m
4:33AM1.45m
5:00PM1.41m
5:16AM1.43m
5:18PM1.43m
5:57AM1.37m
5:37PM1.44m
6:37AM1.29m
5:55PM1.44m
Low Tide
9:27PM0.80m
9:47AM0.19m
10:00PM0.64m
10:21AM0.25m
10:33PM0.50m
10:51AM0.34m
11:06PM0.38m
11:18AM0.46m
11:39PM0.30m
11:43AM0.58m
00:12AM0.27m
12:04PM0.69m
00:47AM0.28m
heavy rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
part cloud
part cloud
clear
clear
part cloud
part cloud
light rain
thunderstorm
part cloud
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:16
5:16
5:18
5:18
5:18
5:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:53
5:52
5:51
5:49
5:47
5:45
 mm
19
2
1
4
1
2
2
1
1
4
1
3
Temp °C
22
21
22
20
20
20
22
23
23
23
25
26
26
27
27
25
28
27
25
Feels °C
19
19
20
18
20
20
23
24
24
24
29
30
29
28
28
26
29
29
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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