Marengo surfForecast / VIC – Cape Otway / Australia

information circle16 Day Weather and Surf, issued 3 pm Tuesday 21 Apr 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
16.6° 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 Wednesday (Apr 22) at 1PM. The primary swell is predicted to be 0.9m and 16s period with a secondary swell of 0.8m and 6s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Marengo in the next 16 days are 1.3m 17s and forecast to arrive on Wednesday (Apr 22) 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 1.1m 6s period and expected on Wednesday (Apr 22) at 10AM.

Wave TypeTime (AEST) & Date Wave Height & Period
Next good surf (1 star+) 1PM (Wed 22nd Apr)3ft (0.9m) 16s
Best Surf 1PM (Sat 25th Apr)3.5ft (1.0m) 17s
Most Powerful 1AM (Wed 22nd Apr)4.5ft (1.3m) 17s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 25°C on Fri morning, min 13°C on Wed night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 26°C on Fri afternoon, min 14°C on Sun night). Wind will be generally light.

Tue
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
3
1
1
1
2
1
2
1
0
1
1
2
2
2
2
1
1
1
1
0
Swell
Height Map
Wave Height (m) & direction (?)
0.9
WSW
1.3
WSW
0.9
SW
0.8
SW
0.7
SW
0.9
SW
1.4
SW
1.1
SW
0.9
SW
0.8
SW
0.9
SW
0.7
SW
1
SW
1.1
SW
0.9
SW
0.9
SW
0.8
SW
0.9
SW
1
SW
1.2
SW
1.1
SW
Period(s) (?)131716151416141312111313161514141312141312
Wave
Graph
(?)Metric surfscale
Energy kJ (?)299998421262211437681437240153261170521605331336199252398480346
Wind
(km/h)
15
ENE
15
NNE
15
NNE
5
NNE
10
WSW
0
NE
10
ESE
10
NNW
15
NNW
10
N
10
N
20
NNW
10
NNW
10
NNW
5
WNW
15
SW
5
SSW
5
SSE
5
ESE
10
NE
10
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncrosscrosscross-
on
offglassoncross-
off
cross-
off
crosscrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
glassglasscross-
on
cross-
on
cross-
on
High Tide
/ height (m)
3:38AM
2.55
3:05PM
1.92
4:19AM
2.41
3:46PM
1.85
5:03AM
2.23
4:34PM
1.73
5:52AM
2.02
5:34PM
1.58
6:53AM
1.83
7:12PM
1.47
8:11AM
1.69
9:25PM
1.52
9:34AM
1.63
Low Tide
/ height (m)
8:49PM
-0.10
9:45AM
0.76
9:29PM
-0.04
10:25AM
0.80
10:11PM
0.10
11:09AM
0.85
10:57PM
0.32
12:04PM
0.90
11:50PM
0.59
1:22PM
0.92
1:11AM
0.85
3:02PM
0.85
3:27AM
0.99
Tue
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Sunrise--6:58--6:58--7:00--7:01--7:01--7:03--7:03
Sunset5:50--5:47--5:46--5:45--5:44--5:43--5:42--
clear
part cloud
cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
clear
part cloud
clear
clear
clear
clear
Rain (mm)
---------------------
Temp. °C221923221620202025262125262222191417161423
Feels °C (?)191621201519181722241721221719171516161321
  • 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 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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