Marengo surfForecast / VIC – Cape Otway / Australia

information circle16 Day Weather and Surf, issued 9 am Tuesday 05 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 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 Tuesday (May 05) at 4PM. The primary swell is predicted to be 1.9m and 16s period with a secondary swell of 1.8m and 8s. 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 Thursday (May 07) at 10PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 5s period and expected on Tuesday (May 12) at 4PM.

Wave TypeTime (AEST) & Date Wave Height & Period
Next good surf (1 star+) 4PM (Tue 5th May)6ft (1.9m) 16s
Best Surf 4PM (Tue 5th May)6ft (1.9m) 16s
Most Powerful10PM (Thu 7th 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 27mm), heaviest during Wed afternoon. Very mild (max 15°C on Tue morning, min 9°C on Wed night). Winds increasing (light winds from the NW on Tue night, fresh winds from the SW by Wed night).

Days 4-6 Weather Summary

Mostly dry. Very mild (max 14°C on Sat morning, min 12°C on Sat afternoon). Mainly fresh winds.

Tuesday
5
Wednesday
6
Thursday
7
Friday
8
Saturday
9
Sunday
10
Monday
11
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
4
4
3
3
3
2
5
5
4
6
6
3
3
3
2
1
3
1
1
2
2
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)
3
SW
12
1.9
SSW
16
1.7
SSW
14
1.5
SW
14
1.6
SW
14
3.5
SW
13
4
SW
12
3
SSW
16
3.5
SW
14
4
SW
14
4
SW
14
3
SSW
14
2.5
SSW
14
2.1
SSW
13
1.9
SSW
13
1.8
SSW
12
1.7
SSW
12
1.8
SSW
12
1.7
SSW
14
1.7
SSW
14
1.4
SSW
13
Wave Graph
Metric surfscale
Energy kJ
2680
1743
1126
890
961
3440
4746
4761
4074
6095
5726
3228
2358
1599
1170
970
824
918
1206
1053
659
Wind (km/h)
20
WSW
20
W
15
NW
20
NW
25
WNW
35
SW
30
SSW
30
SW
35
WSW
30
SW
25
SW
20
SW
15
SW
15
WSW
15
SSW
15
S
10
SSW
10
SSE
10
SE
10
SE
10
E
off
off
cross-off
cross-off
off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross-on
cross-on
cross-on
on
High Tide
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
6:11AM1.76m
6:30PM1.39m
Low Tide
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
12:43PM0.94m
00:13AM0.93m
clear
part cloud
part cloud
cloud
rain showers
heavy rain
rain showers
light rain
rain showers
cloud
cloud
part cloud
cloud
part cloud
part cloud
cloud
part cloud
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:09
7:11
7:11
7:13
7:13
7:15
7:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:31
5:30
5:30
5:29
5:28
5:27
5:25
8
11
3
2
3
Temp °C
15
15
14
15
14
9
11
11
13
13
13
13
14
13
13
14
14
14
15
15
14
10
11
11
11
9
2
3
4
6
7
8
9
11
10
11
11
13
13
14
14
13
Swell 1
Height (m)
Direction
Period (s)
1.6
SW
12
1.9
SSW
16
1.7
SSW
14
1.5
SW
14
1.6
SW
14
2.4
SW
12
3
SSW
14
3
SSW
16
2.5
SW
15
3
SSW
15
3
SSW
14
3
SSW
14
2.5
SSW
14
2.1
SSW
13
1.9
SSW
13
1.8
SSW
12
1.7
SSW
12
1.8
SSW
12
1.7
SSW
14
1.7
SSW
14
1.4
SSW
13
Energy kJ
824
1743
1126
890
961
1826
3549
4761
3441
3895
3879
3228
2358
1599
1170
970
824
918
1206
1053
659
Swell 2
Height (m)
Direction
Period (s)
0.8
SSW
17
0.2
E
10
0.2
SSW
22
0.3
SW
21
0.4
SW
20
0.5
SW
18
0.9
WSW
13
0.1
E
10
0.3
SSE
14
0.3
S
14
0.3
S
14
0.2
S
14
0.1
SE
14
0.4
ESE
4
Energy kJ
313
8
45
72
136
164
249
2
41
37
33
14
7
6
Swell 3
Height (m)
Direction
Period (s)
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
0.1
SW
24
Energy kJ
7
22
8
8
2
2
255
22
Wind waves
Height (m)
Direction
Period (s)
3
SW
12
1.8
SW
8
1.8
WSW
8
2.3
WSW
9
3.5
SW
13
4
SW
12
3.5
SW
13
3.5
SW
14
4
SW
14
4
SW
14
0.9
SSE
5
0.8
E
4
Energy kJ
2680
439
384
832
3440
4746
4458
4074
6095
5726
42
25
Nearest Offshore or Glassy
Rating
(10 max)
4
4
3
4
4
1
2
1
7
3
2
2
4
5
3
2
3
4
3
3
4
Distance (km)
0
0
0
21
2
241
562
552
76
638
527
527
130
37
2
59
0
101
98
101
18
Best forecast wave conditions in Cape Otway
Rating
(10 max)
4
4
4
4
4
5
4
3
Best forecast wave conditions in Australia
Rating
(10 max)
4
4
5
4
5
5
2
7
7
4
4
4
4
5
4
4
3
4
3
3
4
Header Global
Rating
(10 max)
5
5
5
9
5
5
6
5
7
5
5
5
5
5
4
4
4
4
8
5
8
  • 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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