Porpoise Bay Surf Break

Lat Long: 46.66° S 169.05° E

Porpoise Bay 48 hour detailed Surf Forecast

Issued: 11 am 12 Aug 2026 (local time)

Forecast update in  hr  min

Today's Porpoise Bay sea temperature is
10.7° C
1.2° 

Porpoise 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 Porpoise Bay today (12 Aug):

  • Morning surf: Morning surf (12 Aug, local time) - 2.5ft (0.8m), 19s period with SSW swell.
  • Afternoon surf: Afternoon surf (12 Aug, local time) - 3.5ft (1.1m), 18s period with SSW swell.
  • Evening surf: Evening surf (12 Aug, local time) - 3.5ft (1.1m), 16s period with SSW swell.

The current surf forecast for Porpoise Bay at 2PM is: 1.1m 18s primary swell from a South-southwest direction and 1.9m 9s secondary swell from a East direction (forecast issued at 11:00am August 12). The wind direction is predicted to be cross-offshore.

Time (NZST) & DateWave HeightWave Period
Morning (12 Aug)2.5ft (0.8m)19s
Afternoon (12 Aug)3.5ft (1.1m)18s
Evening (12 Aug)3.5ft (1.1m)16s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Fri night. Very mild (max 13°C on Thu afternoon, min 6°C on Fri night). Wind will be generally light.

Wed
12
Thursday
13
Friday
14
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
4
3
4
3
4
4
4
4
3
4
3
3
3
4
4
4
3
4
5
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)
0.8
SSW
19
0.9
SSW
18
1.1
SSW
18
1.1
SSW
17
1.1
SSW
16
1.1
SSW
16
1.2
SSW
16
1.3
SSW
17
1.4
SSW
17
1.5
SSW
16
1.5
SSW
16
1.5
SSW
16
1.4
SSW
15
1.4
SSW
15
1.3
SSW
15
1.3
SSW
16
1.3
SW
16
1.3
SSW
18
1.8
SSW
17
2.5
SSW
17
2.5
SSW
17
Wave Graph
Metric surfscale
Energy kJ
419
578
713
725
659
635
779
1069
1162
1108
1094
1081
851
840
750
832
773
1118
1900
3853
3909
Wind (km/h)
25
NE
25
NE
10
NNE
15
NE
15
N
15
N
10
NNW
10
NNW
15
NW
10
WNW
5
W
5
ENE
5
N
15
NW
15
NW
15
NNW
10
N
5
NW
10
W
15
W
15
WNW
Wind State
cross-off
cross-off
cross-off
cross-off
off
off
off
off
cross-off
cross-off
cross
cross-off
off
cross-off
cross-off
cross-off
off
cross-off
cross
cross
cross-off
High Tide
1:45PM2.41m
2:03AM2.38m
2:34PM2.43m
2:51AM2.40m
3:20PM2.40m
Low Tide
7:24AM-0.02m
7:52PM0.09m
8:14AM-0.07m
8:41PM0.06m
9:04AM-0.06m
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
clear
rain showers
clear
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:50
7:48
7:46
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:47
5:49
5:50
 mm
1
Temp °C
8
11
12
11
10
9
10
10
9
12
13
11
9
9
8
8
8
11
12
10
10
Feels °C
2
5
8
7
6
5
7
7
5
9
11
10
7
6
5
5
5
9
9
7
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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