Gunnamatta Beach surf break

Gunnamatta Beach surfForecast / VIC – Mornington Peninsula / Australia

information circle16 Day Weather and Surf, issued 9 am Wednesday 29 Apr 2026 AEST
Forecast update in hr  min  s Forecast update imminent
Gunnamatta Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Gunnamatta Beach sea temperature is
16.8° C
(Which is slightly warmer than usual)

Best Forecast Surf Conditions for Gunnamatta Beach this week:

The surf forecast for Gunnamatta Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Apr 29) at 10PM. The primary swell is predicted to be 2.0m and 14s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Gunnamatta Beach in the next 16 days are 4.5m 11s and forecast to arrive on Tuesday (May 05) at 4AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 4s period and expected on Wednesday (May 06) at 4PM.

Wave TypeTime (AEST) & Date Wave Height & Period
Next good surf (1 star+)10PM (Wed 29th Apr)6.5ft (2.0m) 14s
Best Surf10PM (Wed 29th Apr)6.5ft (2.0m) 14s
Most Powerful 4AM (Tue 5th May)15ft (4.5m) 11s

Table - best surf conditions forecast for Gunnamatta Beach over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 25°C on Fri afternoon, min 14°C on Wed morning). Winds increasing (light winds from the E on Wed morning, fresh winds from the NNE by Fri night).

Days 4-6 Weather Summary

Heavy rain (total 29mm), heaviest during Sat night. Warm (max 23°C on Sat afternoon, min 12°C on Sun night). Winds increasing (light winds from the NW on Sun morning, strong winds from the NW by Mon afternoon).

Wednesday
29
Thursday
30
Friday
1
Saturday
2
Sunday
3
Monday
4
Tuesday
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)
4
2
4
1
1
2
1
1
3
0
0
1
1
2
2
0
0
0
0
0
1
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
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<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)
1.9
SW
16
2.1
SW
14
2
SW
14
1.6
SW
13
1.5
SW
14
1.3
SW
14
1.3
SW
14
1.3
SW
14
1.3
SW
14
1.1
SW
13
1.1
SW
13
1.1
SW
13
1.4
SW
14
1.7
WSW
14
1.9
SW
13
2
SW
12
2.3
SW
12
4
SW
12
3
SW
11
1.9
SW
10
1.5
SW
12
Wave Graph
Metric surfscale
Energy kJ
1742
1736
1572
933
790
716
736
716
586
444
444
398
721
1210
1249
1111
1670
4240
1834
701
603
Wind (km/h)
5
E
20
SE
15
NNE
30
N
30
N
20
NNE
30
N
25
NNE
20
NNE
40
N
35
NNE
25
N
15
WNW
25
WNW
35
NW
40
NW
50
NW
50
WNW
30
WNW
30
WNW
35
NNW
cross-off
cross
off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross-on
cross
cross-off
cross
cross
cross
cross-on
cross-on
cross-off
High Tide
9:37PM1.32m
10:48AM1.38m
10:35PM1.31m
11:47AM1.47m
11:26PM1.32m
12:33PM1.56m
00:11AM1.35m
1:14PM1.63m
00:51AM1.38m
1:51PM1.68m
1:29AM1.40m
2:27PM1.70m
2:05AM1.41m
Low Tide
3:36PM0.70m
4:09AM0.50m
4:51PM0.72m
5:03AM0.42m
5:51PM0.69m
5:49AM0.34m
6:39PM0.66m
6:30AM0.28m
7:21PM0.62m
7:09AM0.23m
7:58PM0.59m
7:46AM0.20m
8:33PM0.58m
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
heavy rain
rain showers
rain showers
clear
cloud
light rain
light rain
rain showers
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:58
7:00
7:01
7:01
7:03
7:03
7:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:35
5:34
5:32
5:31
5:30
5:29
5:28
13
8
2
2
4
1
Temp °C
15
16
19
22
23
22
23
25
24
21
23
22
15
17
13
14
13
13
15
15
15
13
13
14
16
17
17
17
19
19
13
17
16
12
12
6
5
3
3
9
8
8
Swell 1
Height (m)
Direction
Period (s)
1.9
SW
16
2.1
SW
14
2
SW
14
1.6
SW
13
1.5
SW
14
1.3
SW
14
1.3
SW
14
1.3
SW
14
1.3
SW
14
1.1
SW
13
1.1
SW
13
1.1
SW
13
1.4
SW
14
1.7
WSW
14
1.9
SW
13
2
SW
12
2.3
SW
12
2.4
SW
11
1
SW
12
1.5
SW
12
Energy kJ
1742
1736
1572
933
790
716
736
716
586
444
444
398
721
1210
1249
1111
1670
1347
286
603
Swell 2
Height (m)
Direction
Period (s)
0.4
SSW
15
0.5
S
14
0.3
SSW
14
0.2
SSW
15
0.3
SSW
16
0.3
SSW
15
0.2
SSW
14
0.2
SSW
14
0.1
E
7
0.1
E
8
0.3
N
3
0.2
ESE
10
0.1
SE
10
0.2
ESE
10
1.2
S
7
0.7
SSE
6
0.1
SE
10
Energy kJ
79
107
40
21
49
42
20
18
1
1
2
9
4
10
146
36
4
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
10
0.2
S
15
Energy kJ
4
18
Wind waves
Height (m)
Direction
Period (s)
0.5
E
4
0.5
N
3
0.6
NNE
4
0.4
NNE
3
0.7
NNE
4
0.6
NNE
4
0.7
NNE
4
0.8
NNE
4
0.9
NNE
4
0.9
NNE
4
0.3
NW
3
0.9
NW
4
1
NW
4
1
NW
4
4
SW
12
3
SW
11
1.9
SW
10
0.5
NW
3
Energy kJ
7
4
10
3
14
11
11
19
29
28
1
21
36
36
4240
1834
701
5
Nearest Offshore or Glassy
Rating
(10 max)
4
3
4
3
3
3
2
3
3
1
1
2
3
4
4
1
4
5
4
3
3
Distance (km)
0
24
0
14
14
14
34
14
0
34
52
5
9
17
37
184
77
77
46
45
37
Best forecast wave conditions in Mornington Peninsula
Rating
(10 max)
4
4
4
3
3
3
3
3
2
3
4
Best forecast wave conditions in Australia
Rating
(10 max)
5
4
5
4
4
4
4
4
3
4
3
3
4
4
5
4
4
5
4
3
4
Header Global
Rating
(10 max)
8
6
8
6
5
6
7
4
5
5
4
4
4
4
4
7
5
4
5
4
5
  • Map Icons:
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  • 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 Gunnamatta Beach Surf forecast

The above surf forecast table for Gunnamatta Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Gunnamatta Beach can be found by selecting the local surf guide option on the grey menu. Our Gunnamatta Beach 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 (Gunnamatta Beach) 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 Gunnamatta Beach 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.

Gunnamatta Beach is 31 km (19 miles) from Mornington. If you plan a holiday in Mornington Peninsula, look for hotels and other accommodation in Mornington. Mornington has rooms for a wide range of budgets as well as car hire and transport links.

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