Cape Northumberland Surf Break

Lat Long: 38.06° S 140.67° E

Issued: 8 am 11 Jun 2026 (local time)

Forecast update in  hr  min

Today's Cape Northumberland sea temperature is
16.5° C

1.8°C warmer than normal for this time of year

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


How big are the waves at Cape Northumberland today (11 Jun):

  • Morning surf: Morning surf (11 Jun, local time) - 13ft (4.0m), 15s period with SW swell.
  • Afternoon surf: Afternoon surf (11 Jun, local time) - 11ft (3.5m), 14s period with SW swell.
  • Evening surf: Evening surf (11 Jun, local time) - 11ft (3.5m), 14s period with SW swell.

The current surf forecast for Cape Northumberland at 11AM is: 4.0m 15s primary swell from a Southwest direction and 2.2m 15s secondary swell from a West-southwest direction (forecast issued at 08:30am June 11). The wind direction is predicted to be cross-offshore.

Time (ACST) & DateWave HeightWave Period
Morning (11 Jun)13ft (4.0m)15s
Afternoon (11 Jun)11ft (3.5m)14s
Evening (11 Jun)11ft (3.5m)14s

Table - waves today at Cape Northumberland. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 18mm), heaviest on Sat morning. Warm (max 20°C on Fri afternoon, min 13°C on Thu morning). Winds decreasing (strong winds from the N on Fri night, light winds from the NW by Sat night).

Thursday
11
Friday
12
Saturday
13
Sun
14
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
Rating
(10 max)
8
7
8
7
5
4
4
4
3
3
2
4
3
3
2
2
0
0
0
0
0
2
3
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
4.5
SW
15
4
SW
15
4
SW
15
3.5
SW
14
3.5
SW
14
3.5
SW
14
3.5
SW
14
3
SW
14
3
SW
14
3
SW
14
2.5
SW
14
3
SW
19
3
SW
18
3
SW
17
3
SW
17
2.5
SW
16
2.5
SW
16
3.5
WSW
16
3.5
WSW
16
3.5
WSW
15
3
SW
14
3.5
SW
14
3.5
SW
14
3.5
SW
14
Wave Graph
Metric surfscale
Energy kJ
9021
7734
6296
5380
4627
4431
4191
3781
3232
2974
2536
6479
5682
5236
4587
3569
3253
5972
5235
4608
4123
4375
4586
4616
Wind (km/h)
15
NNW
15
N
15
N
15
N
15
NE
20
NNE
20
NNE
25
NNE
25
NNE
35
N
35
NNE
40
N
40
N
45
N
45
N
45
N
40
NNW
30
WNW
25
WSW
25
SW
25
SW
20
SW
15
WSW
10
WSW
Wind State
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-on
on
on
on
on
on
on
High Tide
9:50AM0.95m
10:43AM1.05m
11:31AM1.14m
Low Tide
2:14AM0.47m
2:44AM0.40m
3:19AM0.34m
clear
clear
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
light rain
heavy rain
light rain
light rain
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:18
7:20
7:20
7:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
4:52
4:52
4:52
4:52
 mm
2
12
3
1
Temp °C
14
13
15
16
15
15
15
14
14
15
17
20
20
20
20
19
15
14
14
14
14
14
14
13
Feels °C
11
9
11
12
11
10
10
9
8
8
9
11
11
11
11
10
8
9
9
8
8
9
9
9
Swell 1
Height (m)
Direction
Period (s)
4.5
SW
15
4
SW
15
4
SW
15
3.5
SW
14
3.5
SW
14
3.5
SW
14
3.5
SW
14
3
SW
14
3
SW
14
3
SW
14
2.5
SW
14
3
SW
19
3
SW
18
3
SW
17
3
SW
17
2.5
SW
16
2.5
SW
16
3.5
WSW
16
3.5
WSW
16
3.5
WSW
15
3
SW
14
3.5
SW
14
3.5
SW
14
3.5
SW
14
Energy kJ
9021
7734
6296
5380
4627
4431
4191
3781
3232
2974
2536
6479
5682
5236
4587
3569
3253
5972
5235
4608
4123
4375
4586
4616
Swell 2
Height (m)
Direction
Period (s)
2.2
WSW
15
1.4
W
15
0.1
SW
24
0.3
SW
24
0.4
SW
22
1.1
SW
20
0.2
S
13
2.5
WNW
11
0.3
SSW
12
1.7
WNW
11
1.3
WNW
10
1.2
WNW
10
Energy kJ
2029
859
22
87
165
974
14
1400
29
631
345
253
Swell 3
Height (m)
Direction
Period (s)
0.2
SSW
13
0.3
SSW
12
0.3
SSW
12
0.3
S
11
Energy kJ
16
28
28
21
Wind waves
Height (m)
Direction
Period (s)
0.7
NNE
4
0.6
N
3
0.4
NE
3
0.8
N
4
1.1
NNW
4
1.3
NNW
7
1.5
NW
7
1.6
NW
8
1.8
NW
8
2.1
WNW
9
3
WNW
11
2.2
W
11
2.3
W
10
1.8
W
11
Energy kJ
13
8
2
19
42
173
242
333
460
704
1944
1165
1066
730
Nearest Offshore or Glassy
Rating
(10 max)
9
9
9
7
5
6
5
5
5
5
4
5
4
4
4
3
4
4
3
4
5
4
4
4
Distance (km)
7
7
7
0
0
9
9
7
7
199
164
216
286
295
295
468
331
87
287
92
92
87
87
87
Best forecast wave conditions in South Australia - East Coast
Rating
(10 max)
9
9
9
7
6
6
5
5
5
4
4
4
5
4
4
4
4
Best forecast wave conditions in Australia
Rating
(10 max)
9
9
9
8
7
6
5
5
5
5
5
5
4
4
4
5
4
4
4
5
5
4
5
4
Header Global
Rating
(10 max)
9
8
7
6
7
7
6
6
6
6
7
6
7
9
9
8
7
6
5
5
5
5
5
5
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
How to use the Wavefinder

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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Cape Northumberland surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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