Marengo surfForecast / VIC – Cape Otway / Australia

information circle12 Day Weather and Surf, issued 4 am Wednesday 25 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
18.0° 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 8AM. The primary swell is predicted to be 0.4m and 20s period with a secondary swell of 0.8m and 6s. Another secondary swell of 0.4m and 11s is also forecast. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Marengo in the next 12 days are 1.4m 18s and forecast to arrive on Monday (Mar 02) at 8PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.1m 7s period and expected on Saturday (Feb 28) at 2AM.

Wave TypeTime (AEDT) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Mon 2nd Mar)1.5ft (0.4m) 20s
Best Surf11PM (Mon 2nd Mar)4.5ft (1.4m) 16s
Most Powerful 8PM (Mon 2nd Mar)4.5ft (1.4m) 18s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 20°C on Fri afternoon, min 14°C on Wed morning). Mainly fresh winds.

Days 3-6 Weather Summary Moderate rain (total 11mm), heaviest on Mon afternoon. Warm (max 24°C on Sun afternoon, min 17°C on Sat morning). Wind will be generally light.

Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
01
Monday
02
Tuesday
03
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
2
2
0
0
0
0
0
0
0
0
0
0
0
0
2
2
3
3
3
2
Swell
Height Map
Wave Height (m) & direction (?)
1.5
SW
1.6
SW
1.1
SW
1.2
SW
1.2
SSW
2
ESE
1
SW
0.9
SSW
1.8
ESE
1.5
ESE
1.3
ESE
1.6
ESE
1.3
ESE
1.2
ESE
0.9
ESE
0.6
SW
1.1
SW
1.4
SW
1.4
SW
1.3
SW
1.1
SW
Period(s) (?)1313121213712127777776191816151514
Wave
Graph
(?)Metric surfscale
Energy kJ (?)767841398430465417292255363217163235183139682997901057860695529
Wind
(km/h)
20
SSE
15
SSE
10
E
30
E
30
E
30
E
20
E
25
E
20
E
20
ENE
25
E
20
ENE
10
ENE
15
ENE
10
NE
5
SSW
15
NNE
5
N
5
W
10
SSW
10
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrossonononononononononcross-
on
cross-
on
oncross-
on
cross-
off
crossglassglasscross-
off
cross-
off
High Tide
/ height (m)
5:49PM
1.87
7:38AM
1.98
6:22PM
1.75
8:51AM
1.84
7:04PM
1.61
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
Low Tide
/ height (m)
12:26PM
0.97
12:33AM
0.09
1:09PM
1.13
1:20AM
0.24
2:12PM
1.28
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
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
01
Monday
02
Tuesday
03
Sunrise7:03--7:03--7:05--7:05--7:07--7:07--7:09--
Sunset-8:12--8:10--8:08--8:07--8:07--8:05--8:04-
cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
light rain
mod rain
rain showers
rain showers
light rain
light rain
Rain (mm)
---------------182321
Temp. °C151516171817182018202219232423202221222017
Feels °C (?)121214131413151815182018232423222323252217
  • 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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