Marengo surfForecast / VIC – Cape Otway / Australia

information circle12 Day Weather and Surf, issued 4 am Friday 28 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
15.2° 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 Friday (Nov 28) at 11AM. The primary swell is predicted to be 1.8m and 12s period with a secondary swell of 0.2m and 11s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Marengo in the next 12 days are 2.5m 12s and forecast to arrive on Friday (Nov 28) at 5PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 6s period and expected on Tuesday (Dec 02) at 8PM.

Wave TypeTime (AEDT) & Date Wave Height & Period
Next good surf (1 star+)11AM (Fri 28th Nov)6ft (1.8m) 12s
Best Surf 5PM (Fri 28th Nov)8ft (2.5m) 12s
Most Powerful 5PM (Fri 28th Nov)8ft (2.5m) 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 11mm), heaviest on Sun night. Very mild (max 18°C on Fri afternoon, min 10°C on Sat night). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 9mm), mostly falling on Mon morning. Very mild (max 15°C on Wed morning, min 8°C on Tue night). Winds decreasing (fresh winds from the SW on Mon afternoon, calm by Wed night).

Friday
28
Saturday
29
Sunday
30
Monday
01
Tuesday
02
Wednesday
03
Thursday
04
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
3
4
3
3
3
3
4
3
2
2
0
1
1
1
3
2
0
0
1
1
2
Swell
Height Map
Wave Height (m) & direction (?)
1.8
SSW
2.5
SW
2
SSW
1.9
SSW
2.2
SSW
1.5
SSW
1.8
SW
1.5
SW
0.9
SSW
1.6
WSW
1.1
SSW
1.6
SSW
0.9
SW
0.8
WSW
1
SW
0.9
SW
0.7
SW
0.6
WSW
0.8
SW
1.1
SW
1.1
SW
Period(s) (?)121213131312111110997121214131212131315
Wave
Graph
(?)Metric surfscale
Energy kJ (?)844188312081236157361479250517336418725920517438423815494202352589
Wind
(km/h)
15
WNW
20
W
10
WNW
20
SW
25
WSW
15
W
25
W
25
W
25
WNW
30
W
30
SW
20
SW
20
SW
20
SW
10
WNW
5
WSW
5
S
10
N
15
W
20
WSW
5
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffcross-
off
cross-
off
cross-
off
offoffoffoffoffcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
glasscrosscrossoffcross-
off
cross-
on
High Tide
/ height (m)
6:15PM
1.93
6:31AM
1.46
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
Low Tide
/ height (m)
11:29AM
0.63
12:47AM
0.82
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
Friday
28
Saturday
29
Sunday
30
Monday
01
Tuesday
02
Wednesday
03
Thursday
04
Sunrise5:54--5:54--5:54--5:54--5:54--5:54--5:52--
Sunset-8:30--8:30--8:31--8:32--8:34--8:35--8:36-
part cloud
cloud
rain showers
rain showers
part cloud
part cloud
rain showers
rain showers
rain showers
rain showers
light rain
rain showers
rain showers
clear
clear
clear
clear
part cloud
clear
part cloud
cloud
Rain (mm)
--21--1254311--------
Temp. °C171814141412121412111211121412151514232317
Feels °C (?)1414131097798575798131212191816
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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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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