Lyall Bay Surf Break

Lat Long: 41.33° S 174.80° E

Lyall Bay 48 hour detailed Surf Forecast

Issued: 5 am 17 Aug 2026 (local time)

Forecast update in  hr  min

Today's Lyall Bay sea temperature is
12.4° C
0.3° 

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 (17 Aug):

  • Morning surf: Morning surf (17 Aug, local time) - 7.5ft (2.3m), 8s period with S swell.
  • Afternoon surf: Afternoon surf (17 Aug, local time) - 6ft (1.8m), 8s period with SSE swell.
  • Evening surf: Evening surf (17 Aug, local time) - 5ft (1.6m), 8s period with S swell.

The current surf forecast for Lyall Bay at 9AM is: 2.3m 8s primary swell from a South direction and 0.7m 15s secondary swell from a South-southwest direction, 0.1m 15s secondary swell from a Southeast direction (forecast issued at 05:00am August 17). The wind direction is predicted to be onshore.

Time (NZST) & DateWave HeightWave Period
Morning (17 Aug)7.5ft (2.3m)8s
Afternoon (17 Aug)6ft (1.8m)8s
Evening (17 Aug)5ft (1.6m)8s

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


Short Range Forecast

Mostly dry. Very mild (max 11°C on Tue morning, min 8°C on Mon morning). Winds decreasing (near gales from the SSW on Tue afternoon, calm by Wed night).

Monday
17
Tuesday
18
Wednesday
19
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)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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
8
2.5
S
8
2.3
S
8
2
S
8
1.8
SSE
8
0.8
SSW
14
1.6
S
8
1.6
SSW
7
1.7
S
7
2.4
S
7
3
S
8
3.5
S
9
4.5
S
10
5.5
S
11
5.5
S
11
5.5
S
11
5
S
11
4.5
S
11
4
S
11
3.5
S
14
3
S
14
2.5
S
14
2.4
S
13
Wave Graph
Metric surfscale
Energy kJ
1208
926
675
509
375
265
299
206
262
636
1383
2116
3854
6330
7455
6781
5775
4786
3937
5582
3869
2805
1998
Wind (km/h)
40
S
35
S
30
S
30
S
20
S
15
S
20
SSW
25
SW
30
SSW
35
SSW
40
SSW
35
SSW
50
SSW
50
S
50
S
50
S
45
S
40
S
30
S
30
S
30
S
25
S
15
S
Wind State
on
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
on
on
on
on
High Tide
8:23AM1.64m
8:49PM1.63m
9:14AM1.65m
9:40PM1.61m
10:02AM1.64m
Low Tide
2:17AM0.58m
2:40PM0.55m
3:08AM0.61m
3:35PM0.59m
3:57AM0.64m
4:27PM0.63m
part cloud
part cloud
cloud
part cloud
clear
clear
part cloud
cloud
cloud
cloud
clear
clear
part cloud
clear
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:09
7:07
7:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:40
5:42
5:43
 mm
Temp °C
8
7
8
8
8
8
8
9
9
10
10
11
11
8
9
9
9
9
9
9
10
10
10
Feels °C
-2
-2
0
1
2
4
2
3
2
2
1
2
0
-3
-2
-2
-1
0
2
2
3
5
6
  • 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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