Marengo surfForecast / VIC – Cape Otway / Australia

information circle16 Day Weather and Surf, issued 9 am Monday 04 May 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
16.5° C
(Which is 1.0°C warmer than normal for this time of year)

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 Tuesday (May 05) at 10AM. The primary swell is predicted to be 2.4m and 12s period with a secondary swell of 1.7m and 12s. Another secondary swell of 0.8m and 17s is also forecast. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Marengo in the next 16 days are 4.5m 15s and forecast to arrive on Friday (May 08) at 1AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Monday (May 04) at 4PM.

Wave TypeTime (AEST) & Date Wave Height & Period
Next good surf (1 star+)10AM (Tue 5th May)8ft (2.4m) 12s
Best Surf 1PM (Tue 5th May)10ft (3.0m) 12s
Most Powerful 1AM (Fri 8th May)15ft (4.5m) 15s

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 25mm), heaviest during Wed night. Very mild (max 17°C on Mon morning, min 8°C on Wed night). Winds increasing (light winds from the WNW on Tue afternoon, fresh winds from the SW by Wed night).

Days 4-6 Weather Summary

Moderate rain (total 11mm), heaviest on Thu morning. Very mild (max 14°C on Fri morning, min 10°C on Thu morning). Mainly fresh winds.

Monday
4
Tuesday
5
Wednesday
6
Thursday
7
Friday
8
Saturday
9
Sunday
10
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
1
4
4
3
2
3
2
4
5
7
4
4
5
4
5
5
4
4
4
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>
Wave
Height (m)
Direction
Period (s)
0.8
SW
13
0.9
SW
13
1.1
SW
13
2.4
SW
12
1.9
SSW
16
1.7
SSW
14
1.5
SW
14
3
WSW
13
3.5
SW
13
3.5
SW
12
3
SSW
16
4.5
SW
15
3.5
SW
14
3.5
SW
14
3.5
SW
14
2.4
SSW
14
3
SW
13
3
SW
13
2.1
SSW
13
2.3
SSW
13
2.3
SSW
14
Wave Graph
Metric surfscale
Energy kJ
250
265
386
1715
1743
1126
890
2820
3592
4173
4611
8255
4782
4416
4873
2008
3113
2887
1442
1677
2122
Wind (km/h)
30
N
30
NNW
30
W
20
WSW
15
W
15
NW
20
NW
25
WNW
35
SW
30
SSW
30
SW
30
WSW
30
WSW
30
WSW
20
WSW
20
WSW
20
WSW
15
SW
15
SW
15
SW
10
SW
cross-off
cross-off
off
off
off
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
cross-off
cross-off
cross-off
cross-off
High Tide
1:50PM1.75m
2:47AM2.42m
2:18PM1.74m
3:17AM2.37m
2:46PM1.71m
3:48AM2.28m
3:14PM1.66m
4:20AM2.17m
3:45PM1.59m
4:54AM2.04m
4:22PM1.51m
5:30AM1.90m
5:11PM1.44m
Low Tide
7:59PM0.24m
9:02AM0.80m
8:29PM0.24m
9:32AM0.83m
8:58PM0.27m
10:02AM0.86m
9:29PM0.33m
10:34AM0.90m
10:00PM0.42m
11:09AM0.94m
10:35PM0.56m
11:50AM0.95m
11:16PM0.73m
clear
light rain
thunderstorm
part cloud
part cloud
part cloud
part cloud
rain showers
rain showers
rain showers
cloud
rain showers
light rain
rain showers
part cloud
cloud
part cloud
rain showers
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:09
7:09
7:11
7:11
7:13
7:13
7:15
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:34
5:31
5:30
5:30
5:29
5:28
5:27
2
5
5
13
3
4
1
2
1
Temp °C
17
15
14
14
15
14
16
14
9
11
11
13
14
14
13
13
14
14
13
13
13
12
10
9
9
12
12
11
9
0
3
4
7
9
9
9
10
11
12
11
11
12
Swell 1
Height (m)
Direction
Period (s)
0.8
SW
13
0.9
SW
13
1.1
SW
13
1.7
SW
12
1.9
SSW
16
1.7
SSW
14
1.5
SW
14
1.6
SW
13
2.5
SW
12
2.5
SSW
14
3
SSW
16
2.5
SSW
15
2.5
SSW
15
2.5
SSW
14
2.4
SSW
14
2.4
SSW
14
2.2
SSW
13
2.1
SSW
14
2.1
SSW
13
2.3
SSW
13
2.3
SSW
14
Energy kJ
250
265
386
907
1743
1126
890
947
1952
2927
4611
3506
2921
2692
2346
2008
1760
1579
1442
1677
2122
Swell 2
Height (m)
Direction
Period (s)
0.3
ESE
9
0.3
W
11
0.2
E
10
0.8
SSW
17
0.2
E
10
0.2
SSW
22
0.3
SW
21
0.4
SW
20
0.5
SW
18
0.8
WSW
12
0.1
E
10
1.5
SW
16
0.2
S
15
0.4
S
14
0.2
SSE
14
0.2
SSE
15
0.2
SSE
14
0.3
SSE
14
0.3
SSE
15
Energy kJ
17
20
7
313
8
45
72
136
164
199
2
1151
18
63
21
23
19
39
44
Swell 3
Height (m)
Direction
Period (s)
0.1
W
11
0.3
ESE
9
0.2
E
10
0.1
SW
24
0.2
E
10
0.2
E
10
0.1
E
11
0.1
E
11
0.6
SW
18
Energy kJ
2
17
7
22
8
8
2
2
199
Wind waves
Height (m)
Direction
Period (s)
0.5
NNE
3
0.4
NNW
3
1.1
SW
8
2.4
SW
12
2
WSW
9
3
WSW
13
3.5
SW
13
3.5
SW
12
3.5
SW
13
4.5
SW
15
3.5
SW
14
3.5
SW
14
3.5
SW
14
3
SW
13
3
SW
13
Energy kJ
5
3
151
1715
637
2820
3592
4173
4248
8255
4782
4416
4873
3113
2887
Nearest Offshore or Glassy
Rating
(10 max)
2
1
3
4
4
3
3
4
1
1
1
5
1
5
7
4
5
5
4
4
4
Distance (km)
41
202
37
0
0
0
21
2
374
620
552
59
534
59
35
0
0
0
0
0
0
Best forecast wave conditions in Cape Otway
Rating
(10 max)
2
3
4
4
4
4
5
7
5
5
5
4
4
4
Best forecast wave conditions in Australia
Rating
(10 max)
4
4
4
4
4
5
4
5
5
2
4
5
7
5
7
5
5
5
5
4
6
Header Global
Rating
(10 max)
4
5
5
5
4
5
9
9
5
6
5
9
7
9
6
5
4
5
9
4
6
  • 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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