Marengo surfForecast / VIC – Cape Otway / Australia

information circle12 Day Weather and Surf, issued 4 am Monday 16 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
17.6° 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 Tuesday (Feb 17) at 2PM. The primary swell is predicted to be 1.3m and 17s period with a secondary swell of 0.6m and 4s. 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 2.1m 14s and forecast to arrive on Wednesday (Feb 18) 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 1.1m 5s period and expected on Tuesday (Feb 17) at 11PM.

Wave TypeTime (AEDT) & Date Wave Height & Period
Next good surf (1 star+) 2PM (Tue 17th Feb)4.5ft (1.3m) 17s
Best Surf11AM (Wed 18th Feb)6ft (1.8m) 14s
Most Powerful 5PM (Wed 18th Feb)7ft (2.1m) 14s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 4mm), mostly falling on Tue night. Warm (max 32°C on Tue afternoon, min 14°C on Tue night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 25°C on Fri afternoon, min 12°C on Sat night). Wind will be generally light.

Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
0
0
1
3
3
4
4
4
3
2
3
2
3
3
2
2
3
2
1
0
Swell
Height Map
Wave Height (m) & direction (?)
1.6
ESE
0.7
SW
0.7
SW
1.3
SW
1.3
SW
1.2
SW
1.8
SW
2.1
SW
2
SW
1.8
SW
1.8
SW
1.9
SW
2
SW
2
SW
1.6
SW
1.3
SW
1.5
SW
1.9
SW
1.3
SSW
1.2
SSW
1.3
SW
Period(s) (?)71514181616141414131314141414131313121112
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2452182039969667101393173614931034101813781604162610645777341269472335433
Wind
(km/h)
15
ENE
20
E
15
NE
20
N
20
W
20
WSW
20
WSW
25
WSW
20
W
15
WSW
20
SW
10
ENE
15
ENE
10
E
10
WNW
15
WSW
25
SW
5
WNW
10
SW
10
S
10
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
oncross-
on
crossoffoffoffoffoffoffcross-
off
oncross-
on
oncross-
off
cross-
off
cross-
off
offcross-
off
crosscross-
on
High Tide
/ height (m)
1:51PM
1.97
1:13AM
1.46
2:21PM
2.07
2:05AM
1.64
2:47PM
2.14
2:47AM
1.83
3:12PM
2.17
3:25AM
2.01
3:36PM
2.17
4:02AM
2.16
4:00PM
2.14
4:39AM
2.25
4:26PM
2.09
Low Tide
/ height (m)
8:26PM
1.06
7:27AM
0.61
8:44PM
0.91
8:12AM
0.55
9:04PM
0.74
8:52AM
0.52
9:27PM
0.56
9:28AM
0.51
9:51PM
0.38
10:04AM
0.53
10:17PM
0.22
10:39AM
0.59
10:46PM
0.09
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Sunrise6:52--6:54--6:54--6:56--6:56--6:58--7:00--
Sunset-8:23--8:22--8:22--8:20--8:19--8:17--8:15-
clear
clear
clear
clear
light rain
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
----13---------------
Temp. °C242624283216181917192017222521192016171815
Feels °C (?)222421243012131414171716212521181814151614
  • Map Icons:
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  • 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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