Marengo surfForecast / VIC – Cape Otway / Australia

information circle16 Day Weather and Surf, issued 9 pm Thursday 30 Apr 2026 AEST
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
16.4° C
(Which is slightly warmer than usual)

Best Forecast Surf Conditions for Marengo this week:

The surf forecast for Marengo over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (May 03) at 10AM. The primary swell is predicted to be 1.3m and 12s period with a secondary swell of 0.9m and 14s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Marengo in the next 16 days are 4.5m 12s and forecast to arrive on Tuesday (May 05) at 4AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 5s period and expected on Saturday (May 02) at 7PM.

Wave TypeTime (AEST) & Date Wave Height & Period
Next good surf (1 star+)10AM (Sun 3rd May)4.5ft (1.3m) 12s
Best Surf 4AM (Tue 5th May)15ft (4.5m) 12s
Most Powerful 4AM (Tue 5th May)15ft (4.5m) 12s

Table - best surf conditions forecast for Marengo over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 20mm), heaviest during Sun morning. Warm (max 27°C on Fri afternoon, min 14°C on Sun morning). Wind will be generally light.

Days 5-7 Weather Summary

Light rain (total 9mm), mostly falling on Wed afternoon. Very mild (max 16°C on Wed morning, min 9°C on Tue night). Winds decreasing (fresh winds from the NW on Mon afternoon, light winds from the NW by Tue night).

Friday
1
Saturday
2
Sunday
3
Monday
4
Tuesday
5
Wednesday
6
Thu
7
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
1
2
1
0
0
0
0
3
2
1
0
1
3
4
4
3
2
2
3
1
5
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
1.2
SW
15
1.3
SW
15
1.2
SW
14
1.1
SW
14
0.9
SW
13
0.8
SW
13
0.8
SW
14
1.3
W
12
1
WSW
14
1.2
WSW
13
1.2
WSW
12
1.5
WSW
13
3
SW
12
3
SW
11
2.2
WSW
10
1.2
SW
12
1.4
SW
14
1.5
SW
14
2.5
SW
13
2.5
SSW
12
4
SSW
13
Wave Graph
Metric surfscale
Energy kJ
648
677
590
410
295
215
238
449
413
499
410
711
2670
2330
932
428
846
828
2419
1900
4646
Wind (km/h)
15
N
15
N
10
NNE
15
NNE
20
NNE
20
NNE
10
N
10
NW
15
NNW
25
NNW
30
NNW
30
NW
30
W
20
WSW
15
WSW
10
NW
15
NNW
15
NW
35
WSW
40
SW
30
WSW
cross
cross
cross
cross-on
cross-on
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
cross-off
cross-off
cross-off
off
cross-off
cross-off
High Tide
00:37AM2.13m
12:14PM1.69m
1:13AM2.28m
12:49PM1.73m
1:46AM2.38m
1:21PM1.75m
2:16AM2.42m
1:50PM1.75m
2:47AM2.42m
2:18PM1.74m
3:17AM2.37m
2:46PM1.71m
3:48AM2.28m
3:14PM1.66m
Low Tide
6:53AM0.85m
6:27PM0.37m
7:31AM0.80m
6:59PM0.30m
8:03AM0.78m
7:30PM0.26m
8:33AM0.78m
7:59PM0.24m
9:02AM0.80m
8:29PM0.24m
9:32AM0.83m
8:58PM0.27m
10:02AM0.86m
part cloud
clear
part cloud
part cloud
cloud
cloud
mod rain
mod rain
part cloud
part cloud
part cloud
rain showers
rain showers
part cloud
clear
clear
part cloud
light rain
rain showers
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:07
7:07
7:07
7:09
7:09
7:11
7:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:37
5:36
5:35
5:34
5:31
5:30
5:30
10
10
1
4
4
5
3
2
Temp °C
21
26
27
23
24
23
19
14
15
14
14
14
14
14
14
11
16
16
11
11
11
18
23
25
20
20
18
15
13
13
10
8
8
8
10
10
9
12
12
4
3
4
Swell 1
Height (m)
Direction
Period (s)
1.2
SW
15
1.3
SW
15
1.2
SW
14
1.1
SW
14
0.9
SW
13
0.8
SW
13
0.8
SW
14
0.9
SW
14
1
WSW
14
1.2
WSW
13
1.2
WSW
12
1.5
WSW
13
1.8
SW
13
1.8
SSW
13
1.6
SW
12
1.2
SW
12
1.4
SW
14
1.5
SW
14
2
SSW
13
0.7
SW
18
3
SSW
12
Energy kJ
648
677
590
410
295
215
238
297
413
499
410
711
1086
1083
694
428
846
828
1359
304
2753
Swell 2
Height (m)
Direction
Period (s)
0.1
S
16
0.4
NE
4
0.3
ENE
4
0.4
ENE
5
0.5
E
5
0.4
E
5
0.4
E
9
0.4
SSW
13
0.4
SSW
15
0.9
WSW
12
0.5
WSW
12
0.4
SSW
16
0.9
SSW
15
0.1
SW
21
0.3
SW
20
0.5
SW
19
0.2
E
11
1.2
SW
16
Energy kJ
5
5
4
9
12
9
25
69
86
222
81
104
393
18
61
173
9
746
Swell 3
Height (m)
Direction
Period (s)
0.1
E
7
0.1
E
8
0.6
E
5
0.2
ESE
9
0.1
S
10
0.3
ESE
10
0.3
ESE
10
0.2
E
10
0.2
ESE
10
0.2
ESE
10
0.2
ESE
11
0.2
E
11
0.2
E
11
0.2
E
11
0.1
E
10
Energy kJ
1
1
18
7
2
18
19
7
10
11
11
9
9
9
2
Wind waves
Height (m)
Direction
Period (s)
0.4
NE
4
0.6
NE
4
0.6
ENE
4
0.4
ENE
4
0.7
ENE
5
0.4
NW
3
1.3
W
12
0.5
N
3
0.5
N
3
0.5
NNW
3
3
SW
12
3
SW
11
2.2
WSW
10
0.4
NW
3
2.5
SW
13
2.5
SSW
12
4
SSW
13
Energy kJ
3
11
12
7
22
2
449
4
4
5
2670
2330
932
2
2419
1900
4646
Nearest Offshore or Glassy
Rating
(10 max)
4
3
4
4
4
3
3
3
2
2
4
5
2
4
4
3
3
3
3
1
4
Distance (km)
18
20
18
18
21
18
18
0
0
20
373
373
276
0
0
0
20
2
59
534
59
Best forecast wave conditions in Cape Otway
Rating
(10 max)
3
3
3
3
2
2
2
3
3
3
5
4
3
4
4
Best forecast wave conditions in Australia
Rating
(10 max)
4
4
4
4
4
3
4
5
5
5
4
5
4
5
4
4
5
5
3
2
4
Header Global
Rating
(10 max)
5
6
7
6
9
5
4
5
4
5
4
5
5
4
4
5
5
5
5
5
5
  • 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 16 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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