Lyall Bay Surf Break

Lat Long: 41.33° S 174.80° E

Lyall Bay 48 hour detailed Surf Forecast

Issued: 5 am 21 Sep 2026 (local time)

Forecast update in  hr  min

Today's Lyall Bay sea temperature is
13.3°C
1.1° 

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 (21 Sep):

  • Morning surf: Morning surf (21 Sep, local time) - 6ft (1.9m), 11s period with S swell.
  • Afternoon surf: Afternoon surf (21 Sep, local time) - 4.5ft (1.4m), 10s period with S swell.
  • Evening surf: Evening surf (21 Sep, local time) - 4ft (1.2m), 12s period with S swell.

The current surf forecast for Lyall Bay at 2PM is: 1.5m 10s primary swell from a South direction and 0.2m 10s secondary swell from a East-southeast direction (forecast issued at 05:00am September 21). An open ocean swell of 1.4m 5s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (NZST) & DateWave HeightWave Period
Morning (21 Sep)6ft (1.9m)11s
Afternoon (21 Sep)4.5ft (1.4m)10s
Evening (21 Sep)4ft (1.2m)12s

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


Short Range Forecast

Light rain (total 3mm), mostly falling on Tue morning. Very mild (max 13°C on Mon afternoon, min 7°C on Tue morning). Winds decreasing (strong winds from the N on Mon night, calm by Tue afternoon).

Monday
21
Tuesday
22
Wednesday
23
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
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
!
2
1
0
0
0
0
0
0
0
0
0
0
2
1
1
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
Height Map
Wave
Height (m)
Direction
Period (s)
3
S
12
2.3
S
11
1.9
S
11
1.6
S
10
1.4
S
10
1.3
S
10
1.2
S
12
1.1
S
12
1
S
11
0.9
SSW
10
1.5
S
9
3
S
8
2.4
S
8
1.9
S
8
1.5
S
8
1.1
S
8
1.8
S
7
3
SSW
8
3
SSW
8
3
SSW
8
2.5
S
8
2.3
S
8
2.1
S
8
Wave Graph
Metric surfscale
Energy kJ
2324
1317
815
530
392
346
404
336
260
184
372
981
771
477
277
138
297
982
858
889
858
719
608
Wind (km/h)
15
N
30
N
40
N
40
N
40
N
40
N
45
N
45
N
40
NNW
25
SSW
35
S
35
S
20
S
0
NNE
25
N
10
NW
40
S
35
S
35
S
35
S
30
S
30
SSE
20
S
Wind State
off
off
off
off
off
off
off
off
off
on
on
on
on
glassy
off
cross-off
on
on
on
on
on
on
on
High Tide
12:25PM1.54m
00:42AM1.46m
1:06PM1.53m
1:26AM1.44m
1:47PM1.52m
Low Tide
6:09AM0.71m
6:46PM0.66m
6:46AM0.70m
7:23PM0.67m
7:26AM0.70m
8:02PM0.68m
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
cloud
light rain
clear
clear
clear
clear
part cloud
cloud
cloud
light rain
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:11
6:11
6:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:15
6:15
6:16
 mm
2
1
Temp °C
8
9
10
12
13
12
12
12
12
11
8
7
8
8
9
9
8
7
8
7
8
8
8
Feels °C
4
2
2
4
5
4
3
3
4
6
0
-1
3
6
3
6
-2
-2
-1
-1
0
1
2
  • 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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