Marengo surfForecast / VIC – Cape Otway / Australia

information circle16 Day Weather and Surf, issued 9 am Saturday 23 May 2026 AEST
Forecast update in hr  min  s Forecast update imminent
Marengo surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Marengo sea temperature is
15.8° C
(Which is slightly warmer than usual)

Best Forecast Surf Conditions for Marengo this week:

The most powerful waves expected at Marengo in the next 16 days are 1.3m 14s and forecast to arrive on Saturday (May 23) at 1PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 12s period and expected on Sunday (May 24) at 1PM.

Wave TypeTime (AEST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 1PM (Sat 23rd May)4.5ft (1.3m) 14s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 11mm), heaviest on Sun night. Very mild (max 16°C on Sat morning, min 13°C on Sat night). Wind will be generally light.

Days 4-6 Weather Summary

Some drizzle, heaviest during Wed morning. Very mild (max 15°C on Tue morning, min 13°C on Wed night). Wind will be generally light.

Saturday
23
Sunday
24
Monday
25
Tuesday
26
Wednesday
27
Thursday
28
Friday
29
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)
1.3
SW
14
0.9
SW
14
0.9
SW
13
0.6
SW
12
0.6
SSW
11
0.4
WSW
12
0.4
WSW
13
0.6
SW
16
1
SW
15
1
SW
15
1
SW
14
0.9
SW
14
1.9
ESE
7
2
ESE
7
0.7
SW
13
0.6
SW
12
1.4
ESE
7
1.7
ESE
7
0.8
SW
14
1.9
ESE
7
1.8
ESE
7
Wave Graph
Metric surfscale
Energy kJ
659
268
277
112
82
56
64
211
410
453
387
327
387
417
168
124
165
262
251
397
334
Wind (km/h)
10
NNE
10
ENE
10
NNE
10
NE
5
NE
15
NE
10
ENE
15
E
15
E
15
E
15
ESE
15
SE
15
SE
10
SE
20
ESE
20
ESE
25
ESE
25
ESE
25
E
20
E
10
ESE
cross-on
cross-on
cross
cross-on
cross-on
cross-on
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
High Tide
4:48PM1.70m
5:34AM2.07m
6:03PM1.61m
6:24AM1.89m
7:38PM1.60m
7:22AM1.72m
9:12PM1.68m
8:29AM1.60m
10:27PM1.83m
9:36AM1.53m
11:24PM1.99m
10:34AM1.51m
00:10AM2.13m
Low Tide
11:09AM0.70m
10:51PM0.49m
12:03PM0.67m
11:50PM0.74m
1:07PM0.64m
1:10AM0.97m
2:17PM0.59m
3:02AM1.10m
3:22PM0.53m
4:36AM1.11m
4:17PM0.48m
5:44AM1.07m
5:04PM0.42m
cloud
part cloud
part cloud
cloud
cloud
heavy rain
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
rain showers
part cloud
part cloud
part cloud
cloud
part cloud
cloud
cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:26
7:26
7:28
7:28
7:30
7:30
7:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:15
5:15
5:15
5:15
5:14
5:13
5:13
11
1
2
Temp °C
16
16
14
16
16
14
15
15
14
15
15
14
14
14
13
14
14
15
15
15
15
13
14
12
14
15
12
13
14
13
13
13
11
12
12
10
11
10
12
11
12
13
Swell 1
Height (m)
Direction
Period (s)
1.3
SW
14
0.9
SW
14
0.9
SW
13
0.6
SW
12
0.6
SSW
11
0.4
WSW
12
0.4
WSW
13
0.6
SW
16
1
SW
15
1
SW
15
1
SW
14
0.9
SW
14
0.8
SW
13
2
ESE
7
1.3
ESE
6
1.1
SE
6
0.6
SW
12
1.7
ESE
7
0.8
SW
14
1.9
ESE
7
1.8
ESE
7
Energy kJ
659
268
277
112
82
56
64
211
410
453
387
327
250
417
130
72
118
262
251
397
334
Swell 2
Height (m)
Direction
Period (s)
0.4
ESE
4
0.7
SW
13
0.4
E
4
0.5
SW
12
0.4
WSW
12
0.4
SSW
10
0.4
ESE
4
0.5
SSW
12
0.7
ESE
5
0.3
SW
13
0.6
SSW
8
0.6
S
8
0.3
S
7
0.8
SW
13
0.7
SW
13
0.6
SW
12
0.4
SW
16
0.6
SW
16
0.3
WSW
11
0.8
SW
14
0.9
SW
13
Energy kJ
7
178
6
72
54
42
4
77
23
28
48
43
9
202
168
124
90
201
24
231
249
Swell 3
Height (m)
Direction
Period (s)
0.1
E
9
0.3
ESE
4
0.3
SW
12
0.3
ESE
10
0.4
ESE
12
0.3
ESE
12
0.4
SSW
13
0.4
WSW
12
0.5
S
10
0.2
ESE
11
0.2
ESE
11
0.2
ESE
12
0.1
SE
12
0.2
ESE
12
0.4
SSW
5
0.4
SSW
5
0.4
SSW
5
0.4
WSW
12
0.2
S
6
0.2
WSW
11
0.1
S
14
Energy kJ
2
4
23
18
47
28
55
54
52
13
12
13
6
14
9
9
9
56
2
12
4
Wind waves
Height (m)
Direction
Period (s)
0.5
E
5
0.6
E
4
0.6
E
4
0.4
NE
3
0.5
E
6
0.3
E
3
0.5
E
4
0.4
ESE
4
0.9
ESE
5
1.2
ESE
6
1.3
ESE
6
1.8
ESE
7
1.9
ESE
7
1.4
ESE
7
1.6
ESE
7
Energy kJ
10
12
13
2
21
2
6
5
41
84
136
299
387
165
222
Nearest Offshore or Glassy
Rating
(10 max)
4
4
3
3
3
2
3
3
4
4
1
1
2
3
3
3
1
1
4
3
4
Distance (km)
18
18
18
18
18
18
18
18
18
21
226
226
130
253
91
248
229
229
56
91
18
Best forecast wave conditions in Cape Otway
Rating
(10 max)
4
3
2
2
2
2
2
Best forecast wave conditions in Australia
Rating
(10 max)
4
4
6
4
4
4
4
4
4
4
4
5
4
4
4
4
4
4
4
3
4
Header Global
Rating
(10 max)
8
4
8
5
5
5
5
5
5
4
7
8
6
6
7
5
5
9
9
9
7
  • 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 Marengo Surf forecast

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

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

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