Sunderland Bay Surf Break

Lat Long: 38.51° S 145.28° E

Sunderland Bay Surf Forecast and Surf Report

Issued: 9 am 26 Jul 2026 (local time)

Forecast update in  hr  min

Today's Sunderland Bay sea temperature is
13.6° C
0.6° 

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 26 Jul 2026:

  • Best quality surf: Sunday 2 Aug, 4AM (local time) - 4ft (1.2m), 16s period, SW swell with offshore winds.
  • Most powerful swell: Wednesday 29 Jul, 10AM (local time) - 10ft (3.0m), 16s period, SW swell with 5,105 kJ wave energy.
  • Next surfable swell (1★+): Sunday 26 Jul, 4PM (local time) - 4.5ft (1.3m), 11s 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 Sunday (Jul 26) at 4PM. The primary swell is predicted to be 1.3m and 11s period with a secondary swell of 0.1m and 16s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Sunderland Bay in the next 16 days are 3.0m 16s and forecast to arrive on Wednesday (Jul 29) at 10AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 5s period and expected on Tuesday (Jul 28) at 10AM.

Wave TypeTime (AEST) & Date Wave Height & Period
Next good surf (1 star+) 4PM (Sun 26th Jul)4.5ft (1.3m) 11s
Best Surf 4AM (Sun 2nd Aug)4ft (1.2m) 16s
Most Powerful10AM (Wed 29th Jul)10ft (3.0m) 16s

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


The Lowdown

G’day, Rusty here.

Righto, for this stretch we’re looking at Sunderland Bay, a point break that’s inconsistent but when it does fire, it has some real potential. It’s fairly exposed to the south swell, and the water temp is sitting around 57°, which is about normal for this time of year. Nothing crazy there.

The first bit of action is Sunday morning the 26th of July, but it’s a bit of a mixed bag. We’ve got a 7ft swell out of the WSW with an 11-second period, but that cross wind is putting a chop on it. The combined energy is moderate at 1376, but the surf’s marginal and the conditions aren’t doing it any favours. Sunday afternoon cleans up a bit as the wind drops and goes cross-off, with a smaller 4ft SW swell, but the score’s low.

Monday the 27th through Tuesday the 28th has some clean surf on the cards with cross-off winds, but the swell is small, around 3ft to 4ft, and the scores are poor. The winds are howling midweek—Wednesday the 29th sees 28 mph gusts and heavy rain, with a big 10ft SW swell coming in, combined energy of 5105 (strong), but it’s a total write-off with onshore winds and a messy ocean. That big groundswell has a 16-second period, which would usually be unreal at a point, but the wind just kills it. Kite surfers might have a look, but for paddle surfing, it’s a no-go.

Thursday the 30th and Friday the 31st are more of the same—messy, choppy, and small. We’ve got a bit of a lull with no real standouts.

Now, Saturday the 1st of August looks promising. Morning shows a tiny 2ft SW swell, but the period jumps to 18 seconds—very long-period groundswell—and a gentle offshore breeze from the north. The combined energy is 384 (weak), but it’ll be glassy and clean. This is for the confident surfer on a log or a longboard, as that long period will make it fat and lined up at the point. Sunday the 2nd of August morning builds on that: 4ft SW swell, 15-second period, and moderate offshore winds. The combined energy climbs to 1185 (moderate), and the conditions look clean. This is the first true standout of the outlook—clean, offshore, and a solid groundswell pushing through.

But the real highlight comes on Wednesday the 5th of August. Morning has a 6ft SSW swell at a 16-second period, with a glassy offshore breeze (NNE at 3 mph). The combined energy is 1815 (moderate to strong), and it’s a perfect point-break setup. That long-period groundswell will wrap nicely into the bay, offering clean, powerful lines. This is the best on offer for experienced surfers. The crowd profile says it’s “often” busy here, so expect company, but for this quality, it’s worth it.

Thursday the 6th and Friday the 7th are less impressive—clean but smaller, with some cross-off winds. Saturday the 8th of August morning brings another standout: a 7ft SSW swell, 17-second period, combined energy of 4738 (strong), and light offshore winds from the north. That’s a heavy swell—over 8ft, so only for the experts. The point should handle it well, but be aware of the power. After that, the surf fades into smaller, cleaner options through to the 9th and 10th of August, but the winds pick up again, turning messy by Monday afternoon.

So, if you’re picking your days: Sunday the 2nd of August morning for a clean, moderate swell, and Wednesday the 5th of August morning for the top-shelf, quality session. The Saturday the 8th of August morning is the big-wave call for the experts.

Catch ya out there.
Rusty.

Short Range Forecast

Moderate rain (total 14mm), heaviest on Tue afternoon. Very mild (max 15°C on Mon morning, min 9°C on Tue afternoon). Winds increasing (light winds from the NW on Sun afternoon, near gales from the W by Tue afternoon).

Days 4-6 Weather Summary

Moderate rain (total 13mm), heaviest on Wed night. Very mild (max 12°C on Wed night, min 9°C on Wed night). Winds decreasing (strong winds from the SW on Wed morning, calm by Fri afternoon).

Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
31
Saturday
1
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
2
1
1
0
0
0
0
0
0
0
0
0
0
0
1
1
2
2
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2
WSW
11
1.3
SW
11
1.1
SW
11
1
SW
11
1.1
SW
11
1.2
SW
13
1.3
SW
13
1.2
SW
12
3
WSW
15
3
SW
16
3
WSW
15
2.4
WSW
14
1.6
SW
13
1.4
SW
13
1.1
SW
12
1.1
SW
12
1
SW
12
0.9
SW
12
0.6
SW
18
0.6
SW
16
1.2
SW
16
Wave Graph
Metric surfscale
Energy kJ
890
371
282
228
309
480
512
423
3385
5105
3778
2191
919
669
335
361
264
228
194
208
728
Wind (km/h)
20
WNW
10
NW
15
NW
25
N
25
N
40
N
45
NNW
45
NW
45
W
45
SW
40
SW
35
SW
25
WSW
30
WSW
15
SW
15
WNW
10
WSW
10
NNE
15
N
10
NW
20
N
Wind State
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
on
cross-on
on
cross-on
cross-on
on
cross
cross-on
off
off
cross-off
cross-off
High Tide
7:57PM1.89m
9:46AM1.91m
8:51PM1.82m
10:50AM1.93m
9:54PM1.78m
11:49AM1.99m
11:02PM1.78m
12:40PM2.07m
00:06AM1.81m
1:23PM2.15m
1:03AM1.87m
2:01PM2.23m
1:54AM1.94m
Low Tide
2:23PM1.16m
2:49AM0.52m
3:25PM1.22m
3:45AM0.55m
4:35PM1.22m
4:45AM0.55m
5:43PM1.17m
5:42AM0.52m
6:42PM1.07m
6:34AM0.50m
7:30PM0.94m
7:21AM0.48m
8:11PM0.80m
clear
cloud
clear
clear
part cloud
part cloud
part cloud
mod rain
rain showers
light rain
light rain
rain showers
part cloud
light rain
rain showers
rain showers
clear
clear
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:26
7:24
7:24
7:24
7:22
7:22
7:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:23
5:24
5:25
5:27
5:27
5:28
5:29
 mm
6
8
1
2
3
2
3
2
Temp °C
12
14
13
15
15
14
15
14
10
11
11
12
12
12
12
10
11
11
11
14
12
Feels °C
8
11
10
9
9
4
5
5
-1
0
1
6
6
5
8
7
9
9
7
11
7
  • 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 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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