Marengo surfForecast / VIC – Cape Otway / Australia

information circle12 Day Weather and Surf, issued 10 pm Friday 27 Feb 2026 AEDT
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
18.1° C
(Which is slightly warmer than usual)

Best Forecast Surf Conditions for Marengo this week:

The surf forecast for Marengo over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Mar 02) at 2AM. The primary swell is predicted to be 0.8m and 6s period with a secondary swell of 0.4m and 11s. Another secondary swell of 0.6m and 4s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Marengo in the next 12 days are 2.5m 16s and forecast to arrive on Friday (Mar 06) at 2PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 6s period and expected on Sunday (Mar 01) at 11PM.

Wave TypeTime (AEDT) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Mon 2nd Mar)2.5ft (0.8m) 6s
Best Surf 2AM (Fri 6th Mar)6ft (1.9m) 15s
Most Powerful 2PM (Fri 6th Mar)8ft (2.5m) 16s

Table - best surf conditions forecast for Marengo over the next 12 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 26mm), heaviest during Fri night. Warm (max 20°C on Sat afternoon, min 16°C on Mon afternoon). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 20°C on Thu morning, min 14°C on Mon night). Wind will be generally light.

Saturday
28
Sunday
01
Monday
02
Tuesday
03
Wednesday
04
Thursday
05
Fri
06
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
1
0
0
1
2
3
2
2
2
2
1
1
2
2
2
4
3
3
Swell
Height Map
Wave Height (m) & direction (?)
2.1
ESE
1.8
ESE
1.3
ESE
2.2
ESE
1.5
ESE
1.3
ESE
0.8
ESE
0.5
SW
1.1
SW
1.5
SW
1.4
SW
1.3
SW
1.2
SW
1.1
SW
1.2
SW
1.2
SW
1.2
SW
1.2
SW
1.9
SW
2.5
SW
2.5
SW
Period(s) (?)87788762018161515141313131313151616
Wave
Graph
(?)Metric surfscale
Energy kJ (?)481337173514270167511867351158860685573451511451466488154734283726
Wind
(km/h)
15
E
15
ENE
15
E
15
ENE
15
NE
20
NE
10
NNW
15
SSW
15
SSW
5
S
10
ESE
10
SE
5
E
10
ESE
5
SE
5
NE
5
ESE
10
SSW
5
SW
15
SW
20
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on
oncross-
on
cross-
on
cross-
on
cross-
off
cross-
off
cross-
off
crossoncross-
on
glassoncross-
on
glassglasscross-
off
glasscross-
off
cross-
off
High Tide
/ height (m)
10:31AM
1.78
8:23PM
1.44
12:03PM
1.83
11:19PM
1.43
1:06PM
1.94
12:57AM
1.61
1:51PM
2.04
1:59AM
1.83
2:28PM
2.12
2:46AM
2.04
3:00PM
2.16
3:27AM
2.19
3:30PM
2.15
Low Tide
/ height (m)
2:23AM
0.43
4:48PM
1.33
4:09AM
0.59
6:40PM
1.17
6:00AM
0.63
7:32PM
0.96
7:13AM
0.59
8:10PM
0.75
8:08AM
0.54
8:43PM
0.55
8:52AM
0.51
9:13PM
0.39
9:31AM
0.50
Saturday
28
Sunday
01
Monday
02
Tuesday
03
Wednesday
04
Thursday
05
Fri
06
Sunrise-7:05--7:07--7:07--7:09--7:09--7:11--7:13-
Sunset--8:07--8:07--8:05--8:04--8:01--8:00--7:59
rain showers
rain showers
light rain
light rain
light rain
light rain
rain showers
light rain
cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
Rain (mm)
81242531-------------
Temp. °C181920191919201816151818161819162020171819
Feels °C (?)171919181917201815131717161718162019171617
  • 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 12 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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