Ohara Surf Break

Lat Long: 35.25° N 140.40° E

Ohara Surf Forecast and Surf Report

Issued: 8 am 16 Sep 2026 (local time)

Forecast update in  hr  min

Today's Ohara sea temperature is
25.7°C
0.2° 

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


Ohara surf forecast from 16 Sep 2026:

  • Best quality surf: Monday 21 Sep, 12AM (local time) - 18ft (5.5m), 13s period, SSE swell with cross-onshore winds.
  • Most powerful swell: Monday 21 Sep, 3AM (local time) - 23ft (7.0m), 13s period, SE swell with 16,903 kJ wave energy.
  • Next surfable swell (1★+): Monday 21 Sep, 12AM (local time) - 18ft (5.5m), 13s period with SSE 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 21) at 12AM. The primary swell is predicted to be 5.5m and 13s period with a secondary swell of 5.5m and 13s. The wind is predicted to be cross-onshore as the swell arrives.

The most powerful waves expected at Ohara in the next 16 days are 7.0m 13s and forecast to arrive on Monday (Sep 21) at 3AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 8s period and expected on Tuesday (Sep 22) at 3AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+)12AM (Mon 21st Sep)18ft (5.5m) 13s
Best Surf12AM (Mon 21st Sep)18ft (5.5m) 13s
Most Powerful 3AM (Mon 21st Sep)23ft (7.0m) 13s

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


The Lowdown

Right then mate, Rusty here. Let's have a proper look at what Ohara has in store for us over the next couple of weeks. Gotta be straight with you – it's a bit of a rough start, so patience is the name of the game.

The first week or so is pretty much a write-off. We're looking at a solid stretch of days with strong onshore winds and messy, blown-out conditions thanks to those persistent NNE breezes. There's plenty of swell in the water – some serious energy readings like 1178 on Friday 18th and even 4741 on Saturday 19th, but it's all for nothing with the wind. This setup is honestly looking more appealing for the kite crew than for us paddle surfers. Thursday 21st afternoon brings a brief window of hope with a light westerly and a 6ft SSE swell, but it's only a marginal shout at best. After that, the energy drops right off into the middle of the following week, with piddly little waves and not enough power to get excited about.

Now, things finally start looking up around the weekend of the 26th and into the following week. The morning of Saturday 26th is still a bit average, but the afternoon is a proper standout. A clean 3ft southerly swell with a long, tasty 14-second period rolls in. The wind is a light SSW cross-off, and we've got clean conditions and 594 units of combined energy. It's not huge, but it'll be fun and lined-up.

Another one to circle is Monday 28th morning. The forecast is for a very good surf conditions with a light SSE breeze creating a clean, cross-off wind. We've got a 4ft swell from the SSW with a lovely 14-second period, giving us 848 combined energy. This is the pick of the bunch for that period – quality over quantity. It'll be a consistent, clean groundswell. Don't expect much of a crowd, it's inconsistent here at the best of times, so there should be plenty of waves to go around. Water temps are around 78°F, which is pretty normal for this time of year, so no surprises there.

The end of the forecast window into the first days of October looks like it might just be a case of too much of a good thing – we see a 13ft swell (predicted to be too big for the break) followed by onshore winds again. The long-range potential on Tuesday 29th is promising, with a big 6ft SSW swell and a super long 17-second period, but it's a fair way out and we'll have to see how it shapes up. The wind will be a stiff SW cross-off, so it'll be for the experienced crew only.

So, to wrap it up: the first 10 days are a bust, then Saturday afternoon the 26th and Monday morning the 28th are your best bets for some clean, quality waves.

Rusty.

Short Range Forecast

Heavy rain (total 64mm), heaviest during Wed afternoon. Warm (max 23°C on Wed morning, min 20°C on Thu morning). Winds increasing (light winds from the NE on Wed morning, strong winds from the NNE by Fri morning).

Days 4-6 Weather Summary

Heavy rain (total 198mm), heaviest during Sun morning. Warm (max 29°C on Mon afternoon, min 21°C on Sat night). Mainly gales.

Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
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
0
0
0
0
0
0
0
0
0
0
0
0
!
0
3
1
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)
0.8
E
13
0.7
E
12
0.7
E
12
2.1
NE
7
2.2
ENE
8
2.5
ENE
8
3
ENE
9
2.5
NE
8
2.4
SE
14
3.5
SE
13
3.5
SE
13
3.5
SE
12
3
ESE
11
3
SE
11
5.5
SSE
13
4.5
SSE
13
1.7
S
11
1.6
SSE
9
1.1
SSE
8
0.9
SSE
8
0.6
SSE
7
Wave Graph
Metric surfscale
Energy kJ
215
148
138
492
560
837
1172
804
2261
4314
4265
3344
2207
2328
10770
6389
647
422
153
91
41
Wind (km/h)
20
NNE
25
NE
30
NNE
35
NNE
40
NE
35
NNE
40
NNE
40
NNE
35
NNE
30
NNE
30
NNE
35
NNE
45
NNE
40
NNE
40
ENE
60
NNW
15
W
10
NNE
20
NE
20
ENE
15
ENE
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
cross-on
cross-on
on
on
cross-on
cross-on
cross
on
cross-on
cross
cross-on
High Tide
6:15PM1.41m
8:08AM1.10m
6:34PM1.38m
9:23AM1.01m
6:55PM1.32m
7:16PM1.25m
7:40PM1.16m
3:16PM1.16m
11:36PM1.11m
3:14PM1.21m
1:17AM1.16m
Low Tide
12:23PM0.80m
1:25AM0.33m
12:37PM0.89m
2:10AM0.40m
12:34PM0.96m
3:12AM0.47m
4:48AM0.52m
6:34AM0.49m
8:04PM1.06m
7:40AM0.42m
8:28PM0.95m
mod rain
heavy rain
heavy rain
cloud
cloud
cloud
light rain
cloud
light rain
rain showers
light rain
heavy rain
heavy rain
heavy rain
heavy rain
rain showers
clear
cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:20
5:20
5:22
5:22
5:24
5:24
5:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:45
5:44
5:42
5:40
5:38
5:37
5:36
 mm
9
39
11
2
3
1
3
31
45
22
76
20
Temp °C
23
22
21
21
22
21
20
22
22
25
23
23
22
22
26
28
29
25
24
24
24
Feels °C
25
22
19
16
17
16
15
19
20
24
22
21
18
18
23
24
31
25
24
23
23
  • Map Icons:
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  • 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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