Sunderland Bay Surf Break

Lat Long: 38.51° S 145.28° E

Sunderland Bay Surf Forecast and Surf Report

Issued: 3 pm 09 Sep 2026 (local time)

Forecast update in  hr  min

Today's Sunderland Bay sea temperature is
13.6°C
0.9° 

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


Sunderland Bay surf forecast from 9 Sep 2026:

  • Best quality surf: Friday 11 Sep, 4AM (local time) - 6ft (1.8m), 15s period, SW swell with glassy winds.
  • Most powerful swell: Thursday 10 Sep, 1AM (local time) - 10ft (3.0m), 18s period, SW swell with 6,323 kJ wave energy.
  • Next surfable swell (1★+): Friday 11 Sep, 4AM (local time) - 6ft (1.8m), 15s period with SW swell.

Best Forecast Surf Conditions for Sunderland Bay this week:

The surf forecast for Sunderland Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Sep 11) at 4AM. The primary swell is predicted to be 1.8m and 15s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Sunderland Bay in the next 16 days are 3.0m 18s and forecast to arrive on Thursday (Sep 10) at 1AM. 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 Monday (Sep 14) at 1AM.

Wave TypeTime (AEST) & Date Wave Height & Period
Next good surf (1 star+) 4AM (Fri 11th Sep)6ft (1.8m) 15s
Best Surf 4AM (Fri 11th Sep)6ft (1.8m) 15s
Most Powerful 1AM (Thu 10th Sep)10ft (3.0m) 18s

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


The Lowdown

Right, let’s have a look at what’s on the cards for Sunderland Bay over the next couple of weeks. It’s a bit of a mixed bag, to be honest. We’ve got some serious size and energy early on, but the wind is going to be a major player, and it’s not always going to be on our side. The water temp is sitting at 57°F, which is about average for this time of year, so nothing weird going on there.

The first few days are going to be a write-off for most of us. Wednesday the 9th is looking wild – we’ve got a solid 10ft SW swell with a long 18-second period, and the energy is strong at 5792, but that 35 km/h SSW wind is just going to shred it. It’s all onshore, poor conditions. You’d be mad to paddle out unless you’re chasing a beating. Kite surfers might be having a field day, but that’s about it. Thursday the 10th cleans up a touch with 8ft SW, but it’s still marginal, and that 20 km/h SW wind keeps it ugly.

Now, Friday the 11th is where things start to get interesting. The morning is pure glass – zero wind – and we’ve still got 6ft of SW swell with a 15-second period. The energy is moderate at 1229. It’s not huge, but the conditions are primed. That’s your pick of the early window. Saturday morning the 12th is also a contender. The wind goes light offshore from the NNE, and we’ve got 6ft of SW swell with the same 15-second period, energy at 1513. It’s a touch bigger than Friday, and the offshore wind is going to make it clean. Both mornings are looking like proper surf. Saturday afternoon and Sunday are deteriorating with the wind swinging onshore and cross-off, and the swell backs right down.

After that, it’s a bit of a lull for a few days. Monday and Tuesday drop off significantly, the energy gets weak, and the wind is messy. It’s a waiting game.

We get a pulse back on Tuesday the 15th – 8ft SW, energy jumping to 1747 – but the wind is straight on it again from the SW at 25 km/h. Poor quality. That one’s for the kites again. Big numbers in the water, but not for paddling.

The next real standout is Saturday the 19th. The morning looks good with a light cross-off breeze from the ENE and 5ft of SW swell. The energy is modest at 654, but the wave comment is positive and it should be clean. After that, it’s a slow fade again into the second week. The swell drops away, the energy gets weak, and a fresh NW cross-off wind kicks in, which will keep things a bit wind-blown. There’s still some SW groundswell in the water, but the heights are small – around 3ft to 3ft. It’s small, but the period stays long, so there’s still a bit of push in the lines if you’ve got a longboard.

So, to sum it up: the pick of the whole stretch is Saturday morning the 12th. It’s got the size, the clean conditions, and the offshore wind. Friday morning the 11th is your backup for a glassy, smaller alternative. The rest is really just about picking through the scraps and waiting for that wind to drop. Keep an eye on it; long-range forecasts can change. This is Rusty, signing off.

Short Range Forecast

Mostly dry. Very mild (max 14°C on Sat morning, min 10°C on Wed night). Winds decreasing (fresh winds from the SSW on Wed afternoon, calm by Thu night).

Days 5-7 Weather Summary

Mostly dry. Warm (max 21°C on Sun afternoon, min 11°C on Tue morning). Winds increasing (light winds from the SSE on Sat afternoon, fresh winds from the NW by Sun night).

Wed
9
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
1
1
3
3
2
4
4
1
3
1
0
0
0
0
0
0
0
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
3
SW
18
3
SW
18
2.5
SW
17
2.3
SW
16
1.9
SW
16
1.7
SW
15
1.8
SW
15
1.9
SW
16
1.8
SW
16
1.6
SW
15
1.4
SW
15
1.2
SW
15
1.1
SW
15
0.9
SW
15
0.8
SW
14
0.7
SW
13
2.5
SW
10
2.3
SW
12
2.2
SW
13
1.9
SW
14
Wave Graph
Metric surfscale
Energy kJ
5419
6323
3334
2612
1719
1229
1540
1852
1513
1216
906
606
595
365
265
176
1115
1539
1668
1343
Wind (km/h)
35
SSW
25
SSW
20
SW
20
SW
5
SW
0
W
10
SSW
5
NE
10
NNE
15
SSE
15
N
20
N
30
NNW
35
N
20
WNW
30
WSW
35
WSW
25
SW
25
SSW
15
S
Wind State
on
on
on
cross-on
cross-on
glassy
on
off
off
cross-on
off
cross-off
cross-off
cross-off
cross
cross-on
cross-on
on
on
cross-on
High Tide
8:51PM2.00m
10:18AM2.07m
10:16PM1.99m
11:22AM2.11m
11:35PM2.06m
12:16PM2.17m
00:42AM2.17m
1:04PM2.24m
1:37AM2.28m
1:46PM2.28m
2:25AM2.36m
2:26PM2.30m
3:08AM2.39m
Low Tide
3:33AM0.45m
4:21PM0.91m
4:47AM0.51m
5:32PM0.76m
5:55AM0.53m
6:30PM0.57m
6:53AM0.53m
7:20PM0.40m
7:43AM0.54m
8:04PM0.27m
8:28AM0.56m
8:45PM0.19m
part cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:28
6:26
6:24
6:24
6:22
6:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:02
6:04
6:04
6:05
6:06
6:07
6:07
 mm
Temp °C
12
10
10
11
11
11
12
12
14
17
17
20
21
20
17
17
12
12
12
11
Feels °C
4
4
5
7
9
8
9
10
11
13
13
15
15
15
13
11
5
5
6
6
  • 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 Sunderland Bay Surf forecast

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

Sunderland Bay is 39 km (24 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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