Lyall Bay Surf Break

Lat Long: 41.33° S 174.80° E

Lyall Bay 48 hour detailed Surf Forecast

Issued: 11 am 20 Aug 2026 (local time)

Forecast update in  hr  min

Today's Lyall Bay sea temperature is
12.2° C
0.2° 

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


How big are the waves at Lyall Bay today (20 Aug):

  • Morning surf: Morning surf (20 Aug, local time) - 5ft (1.6m), 12s period with S swell.
  • Afternoon surf: Afternoon surf (20 Aug, local time) - 5ft (1.6m), 8s period with S swell.
  • Evening surf: Evening surf (20 Aug, local time) - 5ft (1.6m), 9s period with S swell.

The current surf forecast for Lyall Bay at 8PM is: 1.6m 9s primary swell from a South direction and 0.3m 12s secondary swell from a Southeast direction (forecast issued at 11:00am August 20). The wind direction is predicted to be cross-onshore.

Time (NZST) & DateWave HeightWave Period
Morning (20 Aug)5ft (1.6m)12s
Afternoon (20 Aug)5ft (1.6m)8s
Evening (20 Aug)5ft (1.6m)9s

Table - waves today at Lyall Bay. (Swell directed towards the surf break)


Short Range Forecast

Some drizzle, heaviest during Sat night. Very mild (max 13°C on Sat afternoon, min 9°C on Thu morning). Winds increasing (calm on Thu afternoon, near gales from the NW by Sat night).

Thu
20
Friday
21
Saturday
22
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
Rating
(10 max)
2
2
2
1
1
3
3
3
3
2
2
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.6
S
12
1.6
S
8
1.6
S
8
1.5
S
8
1.6
S
9
1.5
S
12
1.4
S
12
1.5
S
16
1.5
S
16
1.4
S
13
1.3
S
13
1.2
S
12
1.2
S
12
1.1
S
12
1.1
S
11
1
S
11
1
S
11
0.9
S
11
0.9
S
11
0.8
S
11
0.8
S
10
Wave Graph
Metric surfscale
Energy kJ
678
356
363
319
373
628
529
1120
1079
694
547
425
396
322
295
240
235
188
188
144
138
Wind (km/h)
5
SSE
5
SSE
0
SSE
5
SE
5
ESE
5
E
5
NE
10
NE
10
NNE
20
NNW
30
N
35
N
40
N
45
NNW
50
NNW
50
NNW
50
NNW
50
NNW
45
NNW
50
NW
50
NW
Wind State
cross-on
glassy
glassy
cross-on
cross
cross-off
cross-off
cross-off
off
cross-off
off
off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
10:50AM1.63m
11:13PM1.57m
11:37AM1.61m
11:56PM1.55m
12:22PM1.59m
Low Tide
5:16PM0.66m
5:28AM0.69m
6:02PM0.68m
6:09AM0.71m
6:44PM0.69m
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:05
7:03
7:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:44
5:45
5:45
 mm
Temp °C
9
9
10
10
10
10
10
10
11
10
11
11
11
10
10
10
10
11
12
13
13
Feels °C
7
8
9
8
8
8
8
8
9
6
5
4
3
1
-1
-1
-1
1
3
3
3
  • 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 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Lyall Bay 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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