Gunnamatta Beach surf break

Gunnamatta Beach surfForecast / VIC – Mornington Peninsula / Australia

information circle16 Day Weather and Surf, issued 4 am Saturday 28 Mar 2026 AEDT
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
18.9° C
(Which is 1.6°C warmer than normal for this time of year)

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 Monday (Mar 30) at 2AM. The primary swell is predicted to be 1.6m and 13s period with a secondary swell of 0.1m and 10s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Gunnamatta Beach in the next 16 days are 1.9m 14s and forecast to arrive on Sunday (Mar 29) at 2PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Wednesday (Apr 01) at 8AM.

Wave TypeTime (AEDT) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Mon 30th Mar)5ft (1.6m) 13s
Best Surf 2AM (Mon 30th Mar)5ft (1.6m) 13s
Most Powerful 2PM (Sun 29th Mar)6ft (1.9m) 14s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 2mm), mostly falling on Sat morning. Warm (max 21°C on Mon night, min 14°C on Sun night). Winds decreasing (fresh winds from the SSW on Sat morning, calm by Mon afternoon).

Days 3-6 Weather Summary Mostly dry. Warm (max 26°C on Tue afternoon, min 15°C on Thu morning). Winds decreasing (fresh winds from the N on Wed morning, calm by Thu afternoon).

Saturday
28
Sunday
29
Monday
30
Tuesday
31
Wednesday
01
Thursday
02
Friday
03
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
1
2
2
3
3
3
3
2
1
0
1
0
0
2
2
0
0
1
0
Swell
Height Map
Wave Height (m) & direction (?)
1.6
SW
1.6
SW
1.8
SW
1.8
SW
1.8
SW
1.6
SW
1.4
SW
1.4
SW
1.4
SW
1.2
SW
1.1
SW
0.9
SW
0.6
SSW
0.8
SW
0.8
SW
0.8
SW
1.2
SW
1
SW
1
SW
1.8
SW
2.1
SW
Period(s) (?)121212141413131212131212141212121112111312
Wave
Graph
(?)Metric surfscale
Energy kJ (?)6897739291344121893366956753146435821613818716919038026422010211240
Wind
(km/h)
30
S
25
SSW
15
SSW
10
SSW
15
S
10
ENE
10
NNE
10
ESE
15
NNE
20
N
20
NNE
25
NNE
15
WNW
30
SW
10
SE
10
NE
10
ESE
15
WSW
30
SSW
20
SSW
20
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
oncross-
on
cross-
off
offcross-
off
offcross-
off
cross-
off
cross-
off
crossoncrossoffcross-
off
cross-
on
oncross-
on
cross-
on
High Tide
/ height (m)
7:57PM
1.50
7:35AM
1.41
9:02PM
1.40
8:51AM
1.32
10:16PM
1.35
10:27AM
1.29
11:28PM
1.35
11:57AM
1.35
12:27AM
1.38
1:04PM
1.45
1:15AM
1.42
1:56PM
1.55
1:55AM
1.46
Low Tide
/ height (m)
1:15PM
0.21
1:49AM
0.70
2:15PM
0.36
3:01AM
0.74
3:30PM
0.49
4:27AM
0.72
4:56PM
0.56
5:45AM
0.63
6:13PM
0.57
6:44AM
0.51
7:14PM
0.55
7:30AM
0.39
8:03PM
0.52
Saturday
28
Sunday
29
Monday
30
Tuesday
31
Wednesday
01
Thursday
02
Friday
03
Sunrise7:30--7:31--7:31--7:31--7:33--7:33--7:35--
Sunset-7:20--7:19--7:16--7:15--7:14--7:13--7:10-
rain showers
clear
part cloud
cloud
clear
part cloud
part cloud
part cloud
cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
cloud
Rain (mm)
2--------------------
Temp. °C161716151616152021202626212117162119151515
Feels °C (?)10131112141514181816212117171315201881011
  • 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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