Marengo surfForecast / VIC – Cape Otway / Australia

information circle16 Day Weather and Surf, issued 9 am Saturday 30 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
15.6° C
(Which is slightly warmer than usual)

Marengo surf forecast from 30 May 2026:

  • Best quality surf: Sunday 31 May, 7PM (local time) - 15ft (4.5m), 12s period, WSW swell with offshore winds.
  • Most powerful swell: Sunday 31 May, 4PM (local time) - 15ft (4.5m), 12s period, WSW swell with 6,011 kJ wave energy.
  • Next surfable swell (1★+): Sunday 31 May, 1AM (local time) - 3ft (0.9m), 9s period with SW swell.

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 31) at 1AM. The primary swell is predicted to be 0.9m and 9s period with a secondary swell of 0.5m and 12s. 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 12s and forecast to arrive on Sunday (May 31) at 4PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 4s period and expected on Wednesday (Jun 03) at 1AM.

Wave TypeTime (AEST) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Sun 31st May)3ft (0.9m) 9s
Best Surf 7PM (Sun 31st May)15ft (4.5m) 12s
Most Powerful 4PM (Sun 31st 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

Moderate rain (total 17mm), heaviest on Mon afternoon. Very mild (max 15°C on Sat morning, min 10°C on Sun night). Winds increasing (light winds from the WNW on Sun night, fresh winds from the N by Mon night).

Days 4-6 Weather Summary

Heavy rain (total 29mm), heaviest during Thu night. Very mild (max 14°C on Tue night, min 10°C on Thu night). Winds increasing (calm on Tue night, strong winds from the W by Thu night).

Saturday
30
Sunday
31
Monday
1
Tuesday
2
Wednesday
3
Thursday
4
Friday
5
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
2
1
1
5
5
2
0
0
0
0
2
0
1
1
2
1
0
0
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
SW
12
1.9
WSW
8
0.9
SW
9
1.3
SW
11
4.5
WSW
12
4
WSW
12
1.7
SW
12
1.5
SSW
12
1.1
SSW
11
0.6
SW
16
0.6
SW
16
0.8
SW
15
0.9
SW
14
0.9
SSW
13
1.9
SW
10
1.9
SSW
10
1.6
SSW
10
1
SSW
9
0.6
SW
18
0.6
SW
19
1
SW
17
Wave Graph
Metric surfscale
Energy kJ
38
438
112
422
6011
4021
836
615
291
161
157
255
301
313
638
741
480
144
263
239
568
Wind (km/h)
20
WNW
20
WNW
25
WNW
30
W
30
WSW
20
W
15
N
30
N
35
NNW
25
N
20
N
20
WNW
30
NW
35
WNW
30
WNW
25
WNW
25
WNW
30
NW
45
WSW
35
WSW
25
W
cross-off
off
off
off
off
off
cross
cross
cross-off
cross
cross
off
cross-off
off
off
off
cross-off
cross-off
off
off
off
High Tide
11:23AM1.52m
00:49AM2.24m
12:05PM1.55m
1:24AM2.31m
12:43PM1.58m
1:57AM2.35m
1:18PM1.61m
2:29AM2.36m
1:52PM1.62m
3:01AM2.34m
2:27PM1.61m
3:32AM2.29m
3:04PM1.59m
Low Tide
5:45PM0.38m
7:14AM0.97m
6:22PM0.35m
7:48AM0.95m
6:57PM0.32m
8:20AM0.92m
7:31PM0.31m
8:52AM0.91m
8:05PM0.32m
9:23AM0.89m
8:38PM0.35m
9:55AM0.86m
9:11PM0.41m
clear
rain showers
rain showers
rain showers
rain showers
part cloud
light rain
rain showers
rain showers
light rain
cloud
rain showers
rain showers
light rain
rain showers
rain showers
rain showers
mod rain
rain showers
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:31
7:31
7:33
7:33
7:35
7:35
7:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:13
5:12
5:12
5:10
5:10
5:10
5:09
3
3
2
1
1
6
1
2
6
2
2
4
1
2
10
2
Temp °C
15
15
12
12
12
12
11
11
13
13
13
14
13
12
11
13
13
12
12
13
13
10
10
5
5
6
7
7
4
7
9
10
9
8
5
4
8
8
7
3
7
8
Swell 1
Height (m)
Direction
Period (s)
0.5
SW
7
0.7
SW
8
0.9
SW
9
1.3
SW
11
2.1
SW
12
2.1
SW
12
1.7
SW
12
1.5
SSW
12
1.1
SSW
11
0.8
SSW
10
0.6
SW
16
0.8
SW
15
0.9
SW
14
0.9
SSW
13
1.9
SW
10
1.9
SSW
10
1.6
SSW
10
1
SSW
9
0.7
SSW
8
0.7
SW
16
1
SW
17
Energy kJ
25
65
112
422
1357
1302
836
615
291
116
157
255
301
313
638
741
480
144
68
239
568
Swell 2
Height (m)
Direction
Period (s)
0.4
SW
12
0.4
SW
12
0.5
SW
12
0.2
E
10
0.1
E
10
0.1
E
10
0.1
E
10
0.1
SW
19
0.5
NE
6
0.6
ENE
6
0.5
S
10
0.5
SW
5
0.4
S
8
0.3
SW
10
0.1
SW
20
0.3
SW
19
0.6
SW
13
0.6
SW
12
0.6
SW
18
0.6
S
8
0.4
SSW
8
Energy kJ
38
37
65
8
2
2
2
15
16
26
48
13
23
14
15
54
138
116
263
48
20
Swell 3
Height (m)
Direction
Period (s)
0.3
WSW
13
0.4
SW
12
0.2
SSW
15
0.1
SW
18
0.1
S
12
0.5
SW
17
0.6
SW
16
0.5
SW
12
0.4
S
9
0.2
W
14
0.2
W
13
0.1
W
12
0.3
SW
18
0.5
SW
16
0.6
SW
12
0.6
SW
19
0.3
SW
10
Energy kJ
34
35
22
12
3
147
161
67
25
15
13
3
53
125
84
224
15
Wind waves
Height (m)
Direction
Period (s)
1.9
WSW
8
0.3
WNW
2
4.5
WSW
12
4
WSW
12
0.2
ENE
10
0.5
N
3
0.4
N
3
0.3
NNW
3
1
WSW
4
0.9
WSW
7
1.2
SW
8
0.4
WNW
3
1.8
W
9
0.3
N
2
0.1
NE
4
Energy kJ
438
1
6011
4021
10
5
3
2
41
79
182
3
476
1
1
Nearest Offshore or Glassy
Rating
(10 max)
1
2
1
4
5
5
3
3
3
2
2
2
2
1
3
3
3
1
4
1
2
Distance (km)
21
0
0
37
59
0
20
41
246
20
20
0
35
534
37
35
21
73
373
534
0
Best forecast wave conditions in Cape Otway
Rating
(10 max)
1
3
4
4
5
4
3
2
2
2
3
3
4
3
3
Best forecast wave conditions in Australia
Rating
(10 max)
4
3
4
4
5
5
4
4
4
4
4
4
4
2
5
4
3
2
4
5
4
Header Global
Rating
(10 max)
5
5
7
7
6
5
5
4
4
4
7
4
6
5
5
5
4
8
4
9
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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