Marengo surfForecast / VIC – Cape Otway / Australia

information circle12 Day Weather and Surf, issued 4 am Saturday 29 Nov 2025 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
15.1° 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 Saturday (Nov 29) at 8PM. The primary swell is predicted to be 1.8m and 13s period with a secondary swell of 0.6m and 16s. Another secondary swell of 1.0m and 7s is also forecast. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Marengo in the next 12 days are 2.3m 12s and forecast to arrive on Tuesday (Dec 02) at 2AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 5s period and expected on Saturday (Nov 29) at 5PM.

Wave TypeTime (AEDT) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Sat 29th Nov)6ft (1.8m) 13s
Best Surf11PM (Sat 29th Nov)7ft (2.1m) 12s
Most Powerful 2AM (Tue 2nd Dec)7.5ft (2.3m) 12s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Moderate rain (total 18mm), heaviest on Sun morning. Very mild (max 14°C on Sun afternoon, min 10°C on Sat night). Mainly fresh winds.

Days 3-6 Weather Summary Mostly dry. Warm (max 22°C on Wed afternoon, min 8°C on Tue night). Wind will be generally light.

Saturday
29
Sunday
30
Monday
01
Tuesday
02
Wednesday
03
Thursday
04
Friday
05
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
3
1
3
4
3
0
2
0
3
3
1
2
1
1
2
4
1
3
3
2
2
Swell
Height Map
Wave Height (m) & direction (?)
1.9
SSW
1.8
SSW
1.5
SSW
1.8
SW
1.4
SW
1.1
SSW
1.2
WSW
1.5
SSW
2.3
SW
2.1
SW
0.9
SW
1
SW
0.7
SW
0.7
SW
1
SW
2.2
WSW
1.3
SW
1.4
SW
1.5
SW
1.6
SW
1.1
SW
Period(s) (?)1313121111108712111214131312111614131312
Wave
Graph
(?)Metric surfscale
Energy kJ (?)12361103624738467223207225147410831993731701622641165763787732784309
Wind
(km/h)
20
SW
25
WSW
15
W
20
WSW
25
W
30
NW
15
W
30
SSW
25
SW
15
SW
20
WSW
10
NNW
10
NW
15
WSW
10
NW
20
W
25
WSW
5
NW
10
SW
20
WSW
10
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
offoffoffcross-
off
offcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offcross-
off
offcross-
off
cross-
off
cross-
off
cross-
off
off
High Tide
/ height (m)
6:51PM
1.79
8:02AM
1.49
7:35PM
1.66
9:50AM
1.63
8:31PM
1.56
11:09AM
1.85
9:42PM
1.52
12:08PM
2.10
10:52PM
1.53
12:57PM
2.32
11:53PM
1.60
1:42PM
2.48
12:48AM
1.70
Low Tide
/ height (m)
12:16PM
0.82
1:35AM
0.76
1:22PM
1.03
2:33AM
0.66
3:15PM
1.19
3:38AM
0.53
5:15PM
1.22
4:41AM
0.38
6:26PM
1.16
5:37AM
0.22
7:17PM
1.09
6:29AM
0.08
8:01PM
1.01
Saturday
29
Sunday
30
Monday
01
Tuesday
02
Wednesday
03
Thursday
04
Friday
05
Sunrise5:54--5:54--5:54--5:54--5:54--5:52--5:52--
Sunset-8:30--8:31--8:32--8:34--8:35--8:36--8:37-
rain showers
part cloud
light rain
light rain
rain showers
rain showers
light rain
rain showers
cloud
part cloud
clear
part cloud
clear
clear
part cloud
part cloud
clear
clear
part cloud
part cloud
cloud
Rain (mm)
2-132442-------------
Temp. °C131312121412101212131413192219201914161814
Feels °C (?)1087798585999161916171511141411
  • 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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