Kitty Miller Bay Surf Break

Lat Long: 38.51° S 145.18° E

Kitty Miller Bay Surf Forecast and Surf Report

Issued: 9 pm 29 Aug 2026 (local time)

Forecast update in  hr  min

Today's Kitty Miller Bay sea temperature is
13.6°C
1.0° 

Kitty Miller Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Kitty Miller Bay surf forecast from 29 Aug 2026:

  • Best quality surf: Monday 31 Aug, 7PM (local time) - 3.5ft (1.1m), 18s period, SW swell with glassy winds.
  • Most powerful swell: Saturday 5 Sep, 7PM (local time) - 13ft (4.0m), 13s period, WSW swell with 6,040 kJ wave energy.
  • Next surfable swell (1★+): Sunday 30 Aug, 7AM (local time) - 4.5ft (1.4m), 13s period with SW swell.

Best Forecast Surf Conditions for Kitty Miller Bay this week:

The surf forecast for Kitty Miller Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 30) at 7AM. The primary swell is predicted to be 1.4m and 13s period with a secondary swell of 0.3m and 21s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Kitty Miller Bay in the next 16 days are 4.0m 13s and forecast to arrive on Saturday (Sep 05) at 7PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 5s period and expected on Saturday (Sep 05) at 4AM.

Wave TypeTime (AEST) & Date Wave Height & Period
Next good surf (1 star+) 7AM (Sun 30th Aug)4.5ft (1.4m) 13s
Best Surf 7PM (Mon 31st Aug)3.5ft (1.1m) 18s
Most Powerful 7PM (Sat 5th Sep)13ft (4.0m) 13s

Table - best surf conditions forecast for Kitty Miller Bay over the next 16 days.


The Lowdown

Alright, this is Rusty. Let’s have a look at what Kitty Miller Bay has in store.

First up, we’ve got a bit of a mixed bag here. The water temp’s sitting pretty average for this time of year, nothing unusual to report on that front. The main thing is, we’ve got a run of decent, clean surf kicking off soon, but be warned, it’s a spot that can be inconsistent, so don’t expect it to fire every day.

Sunday the 30th of August is where we start. The morning looks good with a solid 5ft SW groundswell, period at 13 seconds, and a clean WNW offshore breeze. The wave energy is moderate at 736, and the surf should be very clean. Afternoon stays clean but the wind shifts cross-off, and the quality drops off a touch. Sunday morning is a solid option, though.

Monday the 31st is the pick of the first few days. Morning has a 5ft SW swell, period stretching to 14 seconds, with a gentle offshore from the WNW. The combined energy jumps to a strong 1090. This is proper clean, lined-up surf. The afternoon holds up well too with a 5ft, 15-second swell and light cross-off wind. This is the real standout of the early window.

Tuesday the 1st of September is a write-off. Strong 40 km/h winds will trash the 4ft to 4ft swell. Don’t bother.

Wednesday the 2nd gets interesting again. The morning shows an 8ft WSW swell with a 15-second period and a moderate offshore wind. The combined energy is huge at 4050. This is strong, powerful surf. It’s getting into the big stuff, though – solid for experienced surfers, maybe too much for beginners. The afternoon sees it drop back to 6ft, but still with a fresh offshore.

Thursday the 3rd and Friday the 4th stay in the 7ft to 8ft range with clean conditions, but the wind gets strong again, especially Thursday morning with 40 km/h offshore making it hard to paddle into. The energy stays high, but it’s more of a grind.

Saturday the 5th is a total mess. Gale-force winds and 10ft swell – that’s just dangerous and ugly. Don’t even think about it. Sunday the 6th is similar, blown out with strong winds.

Now, here’s the big one. Monday the 7th of September afternoon, you get a 12ft SW swell with a 15-second period, fresh offshore wind, and the combined energy is a massive 5995. This is world-class power, but the swell is too big for this break. Only for absolute experts, and even then, it’s a handful.

Tuesday the 8th and Wednesday the 9th are similarly massive, with 13ft and 12ft swells, periods up to 17 seconds. The energy reading is off the charts – 15900 on Tuesday morning. This is more of a show than a surf session for most.

Wednesday the 9th of September afternoon, things drop to a still-chunky 10ft, and the wind is a moderate offshore. This is listed as excellent for experienced surfers, and it’s the best of the big-wave window.

After that, things mellow out. Thursday the 10th and Friday the 11th see the swell drop back to 4ft to 6ft, with clean conditions. Friday the 11th morning has a very long period 18-second groundswell, which can make for some weird, straight waves at the beach, but at this point break it might line up okay for a point ride. The wind is light and cross-off.

The final part of the outlook, from the 12th to the 14th of September, is small. Swells between 3ft and 4ft, with gentle offshore winds on the 13th and 14th. It’s clean, small-wave fun for a longboard or a fish, but nothing to get excited about.

To sum it up: Monday the 31st of August morning is your true standout for the best combination of size, power, and clean conditions without it being too crazy. For the big-wave crew, Wednesday the 9th of September afternoon is the one – 10ft, clean, and manageable for experts.

Stay safe out there.

- Rusty

Short Range Forecast

Mostly dry. Very mild (max 19°C on Tue afternoon, min 9°C on Sun morning). Winds increasing (calm on Mon afternoon, near gales from the NNW by Tue morning).

Days 5-7 Weather Summary

Light rain (total 4mm), mostly falling on Tue night. Very mild (max 16°C on Fri afternoon, min 9°C on Thu night). Winds decreasing (strong winds from the NW on Wed night, light winds from the N by Fri afternoon).

Sunday
30
Monday
31
Tuesday
1
Wednesday
2
Thursday
3
Friday
4
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
3
2
2
3
3
3
0
0
2
4
3
2
2
2
4
2
3
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.1
SW
13
1.4
SW
13
1.5
SW
13
1.6
SW
13
1.6
SW
14
1.5
SW
15
1.6
SW
17
1.3
SW
16
1.2
SW
15
1.6
WSW
14
2.5
WSW
15
1.8
SW
16
2
SW
14
2.2
SW
14
2.3
SW
14
2.5
SW
15
2.5
SW
16
2.3
SW
16
1.7
SW
15
Wave Graph
Metric surfscale
Energy kJ
431
659
732
933
978
924
1502
853
648
1031
2629
1654
1594
1822
1977
3280
3077
2506
1271
Wind (km/h)
25
W
20
WNW
20
SW
20
WSW
15
WNW
10
SW
20
N
40
NNW
40
NNW
30
WNW
25
W
35
WNW
40
NW
40
WNW
30
WSW
25
WNW
25
NW
20
N
25
N
Wind State
cross-off
off
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
off
cross-off
off
cross-off
cross-off
cross-off
High Tide
00:48AM1.94m
1:24PM2.16m
1:38AM2.07m
1:59PM2.23m
2:24AM2.20m
2:33PM2.28m
3:07AM2.31m
3:06PM2.32m
3:49AM2.38m
3:41PM2.34m
4:32AM2.40m
4:18PM2.34m
Low Tide
7:00AM0.58m
7:36PM0.65m
7:45AM0.55m
8:13PM0.48m
8:27AM0.54m
8:50PM0.31m
9:07AM0.56m
9:26PM0.18m
9:47AM0.59m
10:04PM0.09m
10:27AM0.65m
10:45PM0.05m
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
part cloud
rain showers
part cloud
clear
cloud
rain showers
clear
clear
clear
cloud
heavy rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:45
6:43
6:41
6:41
6:39
6:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:54
5:54
5:55
5:57
5:58
5:59
 mm
2
2
13
Temp °C
11
10
11
10
10
11
13
17
19
14
13
13
13
13
13
12
13
16
16
Feels °C
7
6
8
6
7
9
10
7
11
7
8
6
6
6
6
6
8
12
9
  • 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 Kitty Miller Bay Surf forecast

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

Kitty Miller Bay is 36 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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