Marengo surfForecast / VIC – Cape Otway / Australia

information circle16 Day Weather and Surf, issued 3 am Monday 20 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
16.5° 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 Monday (Apr 20) at 1PM. The primary swell is predicted to be 0.6m and 15s period with a secondary swell of 0.5m and 9s. 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 1.6m 15s and forecast to arrive on Thursday (Apr 23) at 1PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 4s period and expected on Thursday (Apr 23) at 4AM.

Wave TypeTime (AEST) & Date Wave Height & Period
Next good surf (1 star+) 1PM (Mon 20th Apr)2ft (0.6m) 15s
Best Surf10AM (Mon 27th Apr)4.5ft (1.3m) 14s
Most Powerful 1PM (Thu 23rd Apr)5ft (1.6m) 15s

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 22°C on Wed morning, min 13°C on Mon night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 28°C on Sat afternoon, min 16°C on Thu morning). Wind will be generally light.

Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
1
1
0
0
2
2
2
1
2
1
2
1
1
2
1
2
1
1
1
1
Swell
Height Map
Wave Height (m) & direction (?)
0.6
SW
0.6
SW
0.8
SW
0.9
SW
0.9
SW
1.1
SW
1
SW
0.8
SW
0.7
SW
1.5
SW
1.5
SW
1.2
SW
0.9
WSW
0.9
SW
1
SW
0.9
WSW
0.7
SW
1.1
SW
1.2
SW
1.3
SW
1.1
SW
Period(s) (?)161514131318161514161513121213131615141312
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1591362482572497034962622111115940517255199347313264605557504386
Wind
(km/h)
5
W
10
SW
10
NE
15
ENE
15
E
15
NNE
10
N
5
SSW
10
SW
5
ENE
10
ESE
10
NW
10
NNW
5
WNW
10
NNW
20
NNW
10
NW
20
NNW
15
NNW
20
WSW
5
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offcross-
off
cross-
on
cross-
on
oncrosscross-
off
glasscross-
off
ononcross-
off
cross-
off
glasscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross
High Tide
/ height (m)
1:52PM
1.92
2:59AM
2.62
2:28PM
1.94
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
Low Tide
/ height (m)
8:10PM
-0.07
9:09AM
0.73
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
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Sunrise6:56--6:56--6:58--6:58--7:00--7:01--7:01--
Sunset-5:51--5:50--5:47--5:46--5:45--5:44--5:43-
cloud
part cloud
clear
clear
clear
part cloud
cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
Rain (mm)
---------------------
Temp. °C171614202019222213181919272723272822221814
Feels °C (?)171514181716202110171818252620232517191514
  • 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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