Marengo surfForecast / VIC – Cape Otway / Australia

information circle16 Day Weather and Surf, issued 9 pm 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
15.7° C
(Which is 1.0°C warmer than normal for this time of year)

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, 7PM (local time) - 15ft (4.5m), 12s period, WSW swell with 5,676 kJ wave energy.
  • Next surfable swell (1★+): Sunday 31 May, 7PM (local time) - 15ft (4.5m), 12s period with WSW 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 7PM. The primary swell is predicted to be 4.5m and 12s period with a secondary swell of 2.3m and 13s. 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 7PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 5s period and expected on Wednesday (Jun 03) at 7AM.

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

Light rain (total 9mm), mostly falling on Sat night. Very mild (max 14°C on Tue morning, min 9°C on Sun night). Winds increasing (light winds from the WNW on Sun night, fresh winds from the N by Mon afternoon).

Days 5-7 Weather Summary

Heavy rain (total 20mm), heaviest during Tue night. Very mild (max 14°C on Fri afternoon, min 10°C on Thu night). Winds decreasing (strong winds from the W on Wed morning, light winds from the W by Thu night).

Sunday
31
Monday
1
Tuesday
2
Wednesday
3
Thursday
4
Friday
5
Sat
6
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
3
4
5
1
0
0
0
0
0
0
2
3
3
3
3
3
3
3
3
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
SW
9
3.5
WSW
10
4.5
WSW
12
4
WSW
12
1.8
SW
12
1.5
SSW
12
1
SSW
11
0.6
SW
16
0.6
SW
16
0.8
SW
15
0.9
SW
14
2.2
WSW
9
3.5
SW
10
2.5
SW
10
2.3
SW
10
1.5
SSW
10
0.8
SW
18
0.8
SW
16
1.4
W
10
1
SW
16
1.3
SW
15
Wave Graph
Metric surfscale
Energy kJ
107
2704
5290
4136
918
615
247
161
157
255
301
856
2514
1108
1026
492
388
363
408
486
724
Wind (km/h)
25
WNW
30
W
30
WSW
20
W
15
N
35
N
35
N
25
N
25
NNW
30
NW
40
W
40
W
35
W
30
WSW
30
W
20
W
20
WNW
25
W
15
WSW
5
W
5
SW
off
off
off
off
cross
cross
cross
cross
cross-off
cross-off
off
off
off
off
off
off
off
off
off
off
glassy
High Tide
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
4:03AM2.20m
3:45PM1.56m
Low Tide
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
10:28AM0.83m
rain showers
rain showers
part cloud
part cloud
light rain
rain showers
light rain
rain showers
part cloud
light rain
rain showers
rain showers
light rain
light rain
rain showers
rain showers
rain showers
rain showers
rain showers
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:31
7:33
7:33
7:35
7:35
7:35
7:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:12
5:12
5:10
5:10
5:10
5:09
5:09
2
2
1
2
1
1
4
2
2
2
1
1
5
2
1
2
Temp °C
12
12
13
11
11
12
13
14
14
13
12
12
11
12
12
11
13
14
13
14
15
6
5
6
6
7
4
7
9
10
8
4
4
3
5
6
7
8
9
10
12
15
Swell 1
Height (m)
Direction
Period (s)
0.8
SW
9
1.3
SW
11
2.1
SW
13
2.1
SW
12
1.8
SW
12
1.5
SSW
12
1
SSW
11
0.6
SSW
10
0.6
SW
16
0.8
SW
15
0.9
SW
14
1.3
SW
9
2
SSW
10
1.6
SSW
10
1.4
SSW
10
1.5
SSW
10
1.3
SSW
10
1.3
SSW
8
1
SSW
7
1
SW
16
1.3
SW
15
Energy kJ
107
414
1311
1261
918
615
247
78
157
255
301
275
820
452
394
492
331
243
104
486
724
Swell 2
Height (m)
Direction
Period (s)
0.6
WSW
11
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
SW
16
0.5
SW
12
0.4
SSW
9
0.4
S
8
0.9
SSW
13
0.1
SW
20
0.7
SW
13
0.6
SW
13
0.6
SW
16
0.8
SW
18
0.8
SW
16
0.8
SW
15
0.7
SSW
7
0.4
SW
22
Energy kJ
84
8
2
2
2
15
15
161
67
26
22
304
15
178
134
157
388
299
301
41
118
Swell 3
Height (m)
Direction
Period (s)
0.2
SSW
15
0.1
SW
18
0.1
E
10
0.4
SW
17
0.4
SW
12
0.4
SSW
10
0.3
NE
5
0.3
W
13
0.1
SW
20
0.3
SW
19
0.3
SW
18
0.3
SW
12
0.1
W
10
0.5
SW
19
0.5
SW
18
0.2
SSW
24
Energy kJ
22
12
2
106
39
32
4
30
15
55
51
23
2
183
152
54
Wind waves
Height (m)
Direction
Period (s)
3.5
WSW
10
4.5
WSW
12
4
WSW
12
0.4
NNE
3
0.5
N
3
0.6
NNE
6
0.3
N
3
0.7
W
12
0.9
WSW
7
2.2
WSW
9
3.5
SW
10
2.5
SW
10
2.3
SW
10
0.5
W
9
0.2
WNW
2
1.6
SW
8
1.4
W
10
1.7
WSW
9
Energy kJ
2704
5290
4136
4
5
22
1
141
88
856
2514
1108
1026
40
1
363
408
485
Nearest Offshore or Glassy
Rating
(10 max)
1
4
4
5
3
3
1
2
1
1
4
1
4
3
3
3
3
3
3
3
3
Distance (km)
0
37
59
0
20
173
397
41
21
289
248
351
37
76
59
0
0
0
0
0
0
Best forecast wave conditions in Cape Otway
Rating
(10 max)
3
4
5
4
2
2
4
3
4
3
3
4
3
Best forecast wave conditions in Australia
Rating
(10 max)
3
4
4
5
4
4
3
4
4
4
4
4
4
4
4
5
4
6
4
5
9
Header Global
Rating
(10 max)
7
7
6
5
5
4
4
5
5
4
5
4
4
5
4
5
4
4
4
5
9
  • 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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