Marengo surfForecast / VIC – Cape Otway / Australia

information circle16 Day Weather and Surf, issued 3 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 2.3m 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 14s 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 0.5m 3s period and expected on Monday (May 04) at 10PM.

Wave TypeTime (AEST) & Date Wave Height & Period
Next good surf (1 star+)10AM (Tue 5th May)7.5ft (2.3m) 12s
Best Surf 4AM (Sat 9th May)11ft (3.5m) 14s
Most Powerful 1AM (Fri 8th May)15ft (4.5m) 14s

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 30mm), heaviest during Wed afternoon. Very mild (max 17°C on Mon morning, min 9°C on Wed night). Winds increasing (light winds from the NW on Tue afternoon, fresh winds from the SSW by Wed night).

Days 4-6 Weather Summary

Moderate rain (total 10mm), heaviest on Thu morning. Very mild (max 14°C on Thu night, 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
2
2
1
3
2
5
7
4
3
5
4
4
4
4
4
3
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
2.3
SW
12
1.9
SSW
16
1.7
SSW
14
1.5
SW
14
1.6
SW
13
3
SW
13
2.5
SSW
14
3
SSW
16
4.5
SW
14
3
SW
14
3
SW
14
4
SW
14
3.5
SW
13
2.5
SW
13
2.5
SSW
13
2.4
SSW
13
2.5
SSW
14
2.2
SSW
13
Wave Graph
Metric surfscale
Energy kJ
250
265
444
1643
1743
1126
890
947
2925
2586
4137
7567
4135
4053
5611
4055
2452
2499
1930
2180
1778
Wind (km/h)
25
NNW
25
NW
30
W
25
WSW
15
W
15
NW
20
NW
25
WNW
30
SW
35
SSW
30
SW
30
WSW
30
SW
25
SW
20
WSW
20
WSW
20
WSW
20
SW
15
SW
15
SW
10
SSE
cross-off
cross-off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
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
rain showers
thunderstorm
rain showers
part cloud
part cloud
cloud
rain showers
heavy rain
light rain
light rain
rain showers
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
clear
clear
<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
1
5
1
10
13
4
2
4
Temp °C
17
15
14
14
14
14
16
14
9
11
11
14
14
14
13
14
14
14
13
14
14
12
10
9
10
11
11
11
9
2
3
3
8
9
9
9
10
11
12
11
12
13
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
2.2
SW
13
0.9
WSW
12
3
SSW
16
2.5
SW
15
2.4
SW
15
2.5
SSW
14
2.4
SSW
14
2.2
SSW
13
2.1
SSW
13
2.2
SSW
13
2.4
SSW
13
2.5
SSW
14
2.2
SSW
13
Energy kJ
250
265
444
907
1743
1126
890
947
1535
222
4108
3297
2560
2515
2346
1672
1551
1619
1930
2180
1778
Swell 2
Height (m)
Direction
Period (s)
0.3
ESE
9
0.3
ESE
9
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
0.6
SW
18
0.1
E
10
0.1
E
10
0.2
S
15
0.2
S
14
0.2
SSE
15
0.2
SSE
14
0.3
SSE
14
Energy kJ
17
17
7
313
8
45
72
136
164
199
2
2
17
15
21
20
36
Swell 3
Height (m)
Direction
Period (s)
0.1
W
11
0.3
NE
5
0.2
E
10
0.1
SW
24
0.2
E
10
0.2
E
10
0.1
E
11
0.1
E
11
0.1
E
10
Energy kJ
2
4
7
22
8
8
2
2
2
Wind waves
Height (m)
Direction
Period (s)
0.5
NNE
3
0.4
NNW
3
0.9
WSW
8
2.3
SW
12
1.9
SW
8
0.4
WNW
3
3
SW
13
2.5
SSW
14
3.5
SW
13
4.5
SW
14
3
SW
14
3
SW
14
4
SW
14
3.5
SW
13
2.5
SW
13
2.5
SSW
13
Energy kJ
5
3
105
1643
467
3
2925
2586
4137
7567
4135
4053
5611
4055
2452
2499
Nearest Offshore or Glassy
Rating
(10 max)
2
1
3
4
4
3
3
3
4
1
2
5
1
2
4
4
4
4
4
4
3
Distance (km)
41
289
37
0
0
2
21
21
59
563
563
76
523
534
35
37
182
37
0
0
59
Best forecast wave conditions in Cape Otway
Rating
(10 max)
2
3
4
5
4
4
4
4
4
4
4
4
Best forecast wave conditions in Australia
Rating
(10 max)
4
3
4
4
5
5
5
5
4
4
3
5
5
4
5
4
4
4
4
4
5
Header Global
Rating
(10 max)
4
4
5
5
5
5
4
8
7
5
4
5
9
5
6
5
5
5
4
4
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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