Johanna Surf Break

Lat Long: 38.78° S 143.42° E

Johanna Surf Forecast and Surf Report

Issued: 9 pm 03 Aug 2026 (local time)

Forecast update in  hr  min

Today's Johanna sea temperature is
14.4° C
0.8° 

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


Johanna surf forecast from 3 Aug 2026:

  • Best quality surf: Monday 10 Aug, 4AM (local time) - 18ft (5.5m), 19s period, WSW swell with cross-onshore winds.
  • Most powerful swell: Monday 10 Aug, 1PM (local time) - 23ft (7.0m), 15s period, WSW swell with 23,232 kJ wave energy.
  • Next surfable swell (1★+): Thursday 6 Aug, 1AM (local time) - 5ft (1.6m), 13s period with SW swell.

Best Forecast Surf Conditions for Johanna this week:

The surf forecast for Johanna over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 06) at 1AM. The primary swell is predicted to be 1.6m and 13s period with a secondary swell of 1.0m and 17s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Johanna in the next 16 days are 7.0m 15s and forecast to arrive on Monday (Aug 10) at 1PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 9s period and expected on Sunday (Aug 09) at 1AM.

Wave TypeTime (AEST) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Thu 6th Aug)5ft (1.6m) 13s
Best Surf 4AM (Mon 10th Aug)18ft (5.5m) 19s
Most Powerful 1PM (Mon 10th Aug)23ft (7.0m) 15s

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


The Lowdown

Alright folks, Rusty here. We’ve got a solid 16-day window opening up, but it’s a game of two halves. The first few days are a write-off, but then it turns on. The standout is clearly Johanna, a classic beach and point break that’s exposed and ready to go. It's very consistent, and the optimum swell direction is from the south. Water temps are about average for this time of year, nothing unusual.

The outlook kicks off on Tuesday, August 4th, but don't even bother paddling out. We’ve got rain showers and a strong cross-onshore wind at 16 mph smashing into a messy 12 ft swell from the WSW. The combined energy is a whopping 3704, but it's just ugly. Wednesday the 5th is barely better, with a 7 ft SW swell but still cross-on and choppy.

Thursday the 6th morning is the first glimpse of something cleaner. We get a 5 ft SW groundswell with a very long 16-second period pushing in, and a cross-off wind from the NNW. The energy is moderate (1122), and it's clean. It’s marginal, but it’s a start. The afternoon goes back to messy.

Now, Friday the 7th is where it gets interesting. The morning is a gem. An 8 ft SW swell with a 15-second period, combined energy of 4408, and a near-glass cross-off wind from the NW at just 3 mph. The report calls it excellent for experienced surfers, and that’s the truth. That’s a solid, clean lineup. The afternoon holds up with a 8 ft swell and a light cross-shore breeze.

Saturday the 8th is a ripper. Morning brings a 10 ft WSW swell with a 16-second period and a fresh offshore wind from the north at 19 mph. That’s clean, powerful, and a bit of a paddle but worth it. The afternoon stays offshore, clean, and still solid at 10 ft. This is a top-tier session for experienced surfers.

Sunday the 9th is a mix. The morning is clean with a 6 ft swell and a cross-off wind, but the energy drops to 1969. The afternoon is a disaster – 25 mph cross-onshore winds and a messy 7 ft swell. Skip it.

Then we hit the big stuff. Monday the 10th is a monster 23 ft WSW swell, but the break is too big for surfing. The energy is off the charts (17110). This is more of a spectacle than a surf session. Tuesday the 11th is still huge, 16 ft to 18 ft, but the wind is clean and cross-off from the NNW. This is expert-only territory, but the energy is massive (13016). The afternoon of the 11th is a solid 8/10, but it’s not for the faint-hearted.

The swell stays oversized through the 12th and 13th, with 20 ft to 25 ft swells. The wind is up and down, but the sheer size means it’s only for the most experienced. Thursday the 13th morning has a 25 ft SW swell with a 16-second period and a clean cross-off wind. The energy is a staggering 29033. Incredible, but dangerous.

Things start to drop back into a more manageable range on Friday the 14th. A 13 ft SW swell with a 15-second period, light cross-onshore winds, and energy of 6622. It’s still big, but it’s getting there. Saturday the 15th is a real beauty. The morning has an 8 ft SW swell with a 15-second period, a cross-off wind from the north at just 3 mph, and excellent conditions. The afternoon is the absolute pick: an 8 ft SW swell, glassy conditions, and a 15-second period. That’s clean, powerful, and perfect. Energy is 3277.

Sunday the 16th is still clean with a 8 ft SW swell, and Monday the 17th starts clean but fades. Tuesday the 18th sees a new pulse of 7 ft to 12 ft WSW swell with a very long 17-18 second period, but the wind is cross-on. It’s worth a look, but not as clean as the weekend. The final day, Wednesday the 19th, finishes strong with an 8 ft SW swell, glassy conditions, and excellent surf for experienced surfers.

So, the best on offer? Without a doubt, Friday August 7th morning is the first true standout for a clean, powerful session. But the real crown jewel is Saturday August 15th afternoon. Glassy, 8 ft SW groundswell, perfect. That’s the one you circle on the calendar. The crowds at Johanna can be *often* present, so expect company for that session.

Rusty.

Short Range Forecast

Moderate rain (total 18mm), heaviest on Mon night. Very mild (max 13°C on Wed morning, min 7°C on Wed night). Mainly fresh winds.

Days 5-7 Weather Summary

Moderate rain (total 18mm), heaviest on Sat afternoon. Very mild (max 15°C on Sat morning, min 8°C on Thu night). Winds increasing (calm on Fri afternoon, fresh winds from the W by Sun morning).

Tuesday
4
Wednesday
5
Thursday
6
Friday
7
Saturday
8
Sunday
9
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
3
0
0
1
1
1
4
3
1
3
5
4
5
4
5
1
2
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)
4
WSW
13
3.5
WSW
12
3
SW
11
2
SW
9
2.1
SW
15
2
SW
14
1.6
SW
13
1.4
SW
16
2.1
WSW
16
1.7
WSW
18
2.5
WSW
15
2.4
WSW
14
2.5
WSW
17
3
WSW
16
3
WSW
16
2.3
WSW
15
1.8
WSW
14
2.2
WSW
16
2.1
WSW
19
Wave Graph
Metric surfscale
Energy kJ
4465
3390
2328
612
1776
1450
791
1031
2136
1735
3037
2253
4049
3827
3623
2305
1332
2359
3229
Wind (km/h)
25
W
25
WSW
25
SW
20
WSW
20
WSW
15
W
10
NW
15
NNW
20
WSW
10
W
5
NW
10
W
10
NNE
30
N
25
N
35
N
30
NNW
40
WSW
40
W
Wind State
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-off
cross-off
cross-on
cross-on
cross-off
cross
off
off
off
cross-off
cross-off
cross-on
cross-on
High Tide
2:45AM0.41m
2:48PM0.46m
3:22AM0.43m
3:04PM0.45m
4:02AM0.44m
3:18PM0.43m
4:46AM0.43m
3:33PM0.42m
5:38AM0.42m
3:47PM0.41m
6:51AM0.40m
3:59PM0.40m
Low Tide
8:38AM0.13m
9:09PM0.09m
9:10AM0.16m
9:32PM0.07m
9:41AM0.20m
9:58PM0.04m
10:12AM0.25m
10:30PM0.03m
10:44AM0.29m
11:10PM0.03m
11:21AM0.34m
00:02AM0.05m
rain showers
rain showers
rain showers
rain showers
part cloud
part cloud
cloud
cloud
rain showers
clear
cloud
cloud
part cloud
part cloud
light rain
mod rain
light rain
light rain
mod rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:26
7:24
7:24
7:22
7:22
7:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:37
5:38
5:39
5:40
5:42
5:43
 mm
6
4
3
4
1
4
7
5
2
6
Temp °C
11
12
12
11
13
12
11
10
12
10
12
13
12
15
14
11
11
11
10
Feels °C
5
7
7
7
8
7
8
6
8
6
9
10
9
9
9
4
6
2
1
  • 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 Johanna Surf forecast

The above surf forecast table for Johanna provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Johanna can be found by selecting the local surf guide option on the grey menu. Our Johanna 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 (Johanna) 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 Johanna 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.

Johanna is 93 km (58 miles) from the city of Warrnambool. If you plan a holiday in Far West of Victoria, look for hotels and other accommodation in Warrnambool. Warrnambool has rooms for a wide range of budgets as well as car hire and transport links.

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