Marengo surfForecast / VIC – Cape Otway / Australia

information circle16 Day Weather and Surf, issued 3 pm Friday 22 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 surf forecast for Marengo over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (May 26) at 10PM. The primary swell is predicted to be 2.0m and 8s period with a secondary swell of 0.9m and 14s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Marengo in the next 16 days are 1.7m 15s and forecast to arrive on Saturday (May 23) at 1AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 5s period and expected on Friday (May 29) at 7PM.

Wave TypeTime (AEST) & Date Wave Height & Period
Next good surf (1 star+)10PM (Tue 26th May)6.5ft (2.0m) 8s
Best Surf 1AM (Wed 27th May)7ft (2.1m) 8s
Most Powerful 1AM (Sat 23rd May)5.5ft (1.7m) 15s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 4mm), mostly falling on Sun night. Very mild (max 17°C on Sun morning, min 12°C on Fri afternoon). Wind will be generally light.

Days 5-7 Weather Summary

Heavy rain (total 31mm), heaviest during Wed morning. Very mild (max 15°C on Tue morning, min 13°C on Wed morning). Wind will be generally light.

Fri
22
Saturday
23
Sunday
24
Monday
25
Tuesday
26
Wednesday
27
Thursday
28
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
1
2
2
1
1
0
0
0
0
0
0
0
1
4
2
2
1
1
1
1
1
Swell
Height Map
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
15
1.7
SW
15
1.3
SW
14
0.9
SW
14
0.9
SW
13
0.6
SW
12
0.6
SSW
11
0.5
SW
12
0.4
WSW
13
0.6
SW
16
0.8
SW
15
1.9
ESE
7
1.9
ESE
7
2.1
ESE
8
0.8
SW
13
1.3
ESE
8
0.5
SW
13
0.6
SW
12
0.4
SW
16
0.5
SW
16
0.5
SW
15
Wave Graph
Metric surfscale
Energy kJ
767
1254
736
268
277
112
87
66
64
165
301
366
397
564
250
213
80
92
94
125
106
Wind (km/h)
15
ENE
10
NNE
10
NNE
10
NE
10
NNE
10
NE
10
ENE
10
NE
10
NE
10
ENE
15
ESE
20
ESE
15
SE
5
E
5
N
5
SW
5
W
15
WSW
5
SW
5
SW
5
SSW
on
cross
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
on
cross-on
on
cross-on
glassy
glassy
glassy
off
cross-off
cross-off
cross-off
cross-off
High Tide
4:48AM2.25m
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
Low Tide
10:01PM0.25m
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
part cloud
cloud
cloud
cloud
part cloud
cloud
cloud
light rain
light rain
light rain
light rain
light rain
rain showers
rain showers
heavy rain
light rain
rain showers
rain showers
part cloud
part cloud
part cloud
<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>
5:16
5:15
5:15
5:15
5:15
5:14
5:13
5:13
2
2
1
2
2
1
3
14
1
6
1
Temp °C
14
13
16
16
13
17
17
14
15
14
14
15
15
15
14
14
14
15
15
14
14
11
11
14
14
11
15
15
13
13
13
12
13
13
15
15
14
14
14
15
14
14
Swell 1
Height (m)
Direction
Period (s)
1.3
SW
15
1.7
SW
15
1.3
SW
14
0.9
SW
14
0.9
SW
13
0.6
SW
12
0.6
SSW
11
0.5
SW
12
0.4
WSW
13
0.6
SW
16
1
ESE
5
0.8
SW
15
0.9
SW
14
1.9
SE
8
1.4
SE
7
1.3
ESE
8
0.7
SE
7
0.6
SW
12
0.4
ESE
9
0.5
SW
16
0.5
SW
15
Energy kJ
767
1254
736
268
277
112
87
66
64
165
53
322
336
461
199
213
47
92
31
125
106
Swell 2
Height (m)
Direction
Period (s)
0.2
E
10
0.2
E
10
0.4
ESE
4
0.7
SW
13
0.4
E
4
0.5
SW
12
0.5
SW
11
0.4
SSW
10
0.4
SSW
10
0.5
SSW
12
0.8
SW
15
0.8
SSW
8
0.9
SSW
9
0.9
SW
14
0.8
SW
13
0.7
S
8
0.6
SSW
7
0.5
S
7
0.5
SW
12
0.4
WSW
12
0.4
SSW
6
Energy kJ
8
8
6
178
5
72
61
38
35
77
301
80
129
331
250
58
38
25
71
57
13
Swell 3
Height (m)
Direction
Period (s)
0.1
E
9
0.3
ESE
4
0.3
SW
12
0.3
ESE
4
0.4
ESE
12
0.3
ESE
12
0.4
SSW
13
0.4
SE
4
0.4
SSW
10
0.2
WSW
13
0.1
S
14
0.7
S
8
0.5
S
8
0.7
SW
13
0.5
SW
13
0.4
ESE
9
0.4
SW
16
0.4
ESE
10
0.4
SW
12
Energy kJ
2
4
23
3
47
28
55
5
34
17
4
69
31
161
80
28
94
37
35
Wind waves
Height (m)
Direction
Period (s)
0.5
ENE
3
0.6
E
4
0.5
E
4
0.6
E
4
0.3
E
4
0.4
E
12
0.3
E
3
0.4
ESE
4
1.3
ESE
6
1.9
ESE
7
1.9
ESE
7
2.1
ESE
8
0.4
NW
3
0.5
SW
7
Energy kJ
5
14
9
13
2
44
1
5
95
366
397
564
3
21
Nearest Offshore or Glassy
Rating
(10 max)
4
5
4
4
4
3
3
2
3
3
4
4
3
4
2
2
1
1
1
1
1
Distance (km)
18
18
18
18
18
18
18
18
18
18
91
91
101
0
0
0
0
0
0
0
0
Best forecast wave conditions in Cape Otway
Rating
(10 max)
3
4
4
3
2
2
2
2
2
1
4
2
2
2
2
2
2
2
Best forecast wave conditions in Australia
Rating
(10 max)
7
6
5
4
6
4
4
4
4
4
4
4
4
4
4
4
3
4
3
4
3
Header Global
Rating
(10 max)
7
6
5
5
8
5
5
5
5
4
5
5
6
6
6
7
8
9
9
8
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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