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Surf Forecasts:

Marengo surfForecast / VIC – Cape Otway / Australia

information circle12 Day Weather and Surf, issued 4 am Thursday 20 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
14.6° C
 (Which is normal for this time of year)

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 Thursday (Nov 20) at 8PM. The primary swell is predicted to be 2.0m and 15s period with a secondary swell of 0.5m and 12s. 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 2.2m 14s and forecast to arrive on Thursday (Nov 20) at 11AM. 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 6s period and expected on Wednesday (Nov 26) at 2PM.

Wave TypeTime (AEDT) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Thu 20th Nov)6.5ft (2.0m) 15s
Best Surf 8PM (Thu 20th Nov)6.5ft (2.0m) 15s
Most Powerful11AM (Thu 20th Nov)7ft (2.2m) 14s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Light rain (total 3mm), mostly falling on Thu morning. Very mild (max 17°C on Sat afternoon, min 9°C on Thu night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 20°C on Mon afternoon, min 13°C on Tue night). Wind will be generally light.

Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
3
3
3
1
0
0
0
0
0
1
0
0
0
0
1
0
1
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
2.2
SW
2.1
SW
1.9
SW
1.7
SW
1.5
SW
1.1
SW
1.3
SSW
1.2
SSW
1.1
SSW
1.1
SSW
1
SSW
0.9
SSW
1.3
SE
1.2
SE
0.6
SSW
0.6
SSW
0.6
SSW
0.5
SSW
0.3
SW
0.4
SW
1.3
SSW
Period(s) (?)14141514131311111111111077111010914137
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1999186315421170769418400372297265222180167151887572462945163
Wind
(km/h)
15
SSW
20
SSW
10
S
15
SE
15
SE
20
E
15
E
15
ESE
15
ESE
10
ESE
15
ESE
20
ENE
15
E
15
E
20
W
20
WSW
15
SW
15
N
35
W
35
W
30
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		crosscross-
on		cross-
on		ononononcross-
on		ononononoffcross-
off		cross-
off		crossoffoffoff
High Tide
/ height (m)
2:05PM
2.29
1:32AM
1.62
2:36PM
2.37
2:03AM
1.65
3:06PM
2.41
2:32AM
1.66
3:37PM
2.40
3:01AM
1.66
4:07PM
2.37
3:32AM
1.64
4:38PM
2.29
4:04AM
1.59
5:10PM
2.19
4:41AM
1.54
Low Tide
/ height (m)
8:28PM
0.88
7:43AM
0.33
8:58PM
0.86
8:13AM
0.29
9:27PM
0.86
8:43AM
0.26
9:56PM
0.86
9:13AM
0.26
10:26PM
0.87
9:44AM
0.29
10:58PM
0.88
10:16AM
0.36
11:31PM
0.88
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Sunrise5:58--5:58--5:58--5:58--5:56--5:56--5:56--
Sunset-8:22--8:22--8:23--8:24--8:25--8:27--8:28-
rain showers
clear
clear
clear
clear
part cloud
cloud
cloud
light rain
cloud
clear
cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
Rain (mm)
1-------2------------
Temp. °C121311121311151715151815172018181915161513
Feels °C (?)787897131414151813151818151512977
  • 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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Quiksilver Teams Up With PrimaLoft® For World’s First Thermal Layering System for a Wetsuit.

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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Marengo surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Marengo at:
surf-forecast.com

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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