Summerland Bay surfForecast / VIC – Phillip Island / Australia

information circle12 Day Weather and Surf, issued 10 am Saturday 20 Dec 2025 AEDT
Forecast update in hr  min  s Forecast update imminent
Summerland Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Summerland Bay sea temperature is
17.2° C
(Which is 1.0°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Summerland Bay this week:

The most powerful waves expected at Summerland Bay in the next 12 days are 3.0m 16s and forecast to arrive on Wednesday (Dec 24) at 2AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.9m 6s period and expected on Sunday (Dec 21) at 11PM.

Wave TypeTime (AEDT) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 2AM (Wed 24th Dec)10ft (3.0m) 16s

Table - best surf conditions forecast for Summerland Bay over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 26mm), heaviest during Sun afternoon. Very mild (max 17°C on Sun afternoon, min 13°C on Sat night). Winds increasing (light winds from the SSE on Sat night, strong winds from the WSW by Mon night).

Days 3-6 Weather Summary Some drizzle, heaviest during Tue morning. Very mild (max 15°C on Wed morning, min 13°C on Thu morning). Winds decreasing (near gales from the SW on Wed afternoon, moderate winds from the SSW by Thu night).

Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
4
1
0
0
1
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.1
SW
0.9
SW
0.9
SW
0.8
SW
0.6
SW
1.9
SW
1.8
SW
1.6
SW
1.7
WSW
2
SW
2.3
SW
3
WSW
2.3
SW
2.4
SW
2.4
SW
2.1
SW
2
SW
1.7
SW
1.4
SW
1.2
SW
1.1
SW
Period(s) (?)61099978878816161514131313121212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)841601389559365345300273435659453324842482222915891346951531414319
Wind
(km/h)
25
SW
25
SSW
15
ESE
15
SE
30
SE
40
WSW
35
W
25
SW
35
WNW
45
WSW
40
SW
30
W
40
W
50
SW
35
SW
30
SW
35
SW
25
SW
20
SSW
25
S
15
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrossonononcross-
off
cross-
off
crosscross-
off
cross-
off
crosscross-
off
cross-
off
crosscrosscrosscrosscrosscross-
on
cross-
on
on
High Tide
/ height (m)
12:06PM
1.80
1:42AM
2.14
1:01PM
1.83
2:26AM
2.21
1:51PM
1.87
3:06AM
2.28
2:37PM
1.90
3:43AM
2.33
3:21PM
1.93
4:18AM
2.36
4:04PM
1.95
4:51AM
2.37
4:47PM
1.98
Low Tide
/ height (m)
6:44PM
0.44
7:42AM
1.08
7:32PM
0.39
8:29AM
1.01
8:16PM
0.35
9:11AM
0.93
8:58PM
0.33
9:51AM
0.86
9:37PM
0.33
10:28AM
0.78
10:15PM
0.36
11:04AM
0.70
10:53PM
0.42
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Sunrise5:50--5:50--5:50--5:52--5:52--5:52--5:52--
Sunset-8:42--8:42--8:43--8:43--8:44--8:44--8:45-
cloud
clear
part cloud
cloud
heavy rain
rain showers
rain showers
clear
rain showers
rain showers
clear
part cloud
part cloud
clear
part cloud
cloud
part cloud
cloud
clear
clear
clear
Rain (mm)
----2031-21-----------
Temp. °C151414151717141416141414151514141315151414
Feels °C (?)1091113141277115467546611121011
  • 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 Summerland Bay Surf forecast

The above surf forecast table for Summerland Bay provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Summerland Bay can be found by selecting the local surf guide option on the grey menu. Our Summerland Bay 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 (Summerland Bay) 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 Summerland Bay 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.

Summerland Bay is 35 km (22 miles) from Mornington. If you plan a holiday in Phillip Island, 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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