Porpoise Bay Surf Break

Lat Long: 46.66° S 169.05° E

Porpoise Bay 48 hour detailed Surf Forecast

Issued: 11 pm 29 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 (30 Aug):

  • Morning surf: Morning surf (30 Aug, local time) - 20ft (6.0m), 16s period with SW swell.
  • Afternoon surf: Afternoon surf (30 Aug, local time) - 20ft (6.0m), 16s period with SW swell.
  • Evening surf: Evening surf (30 Aug, local time) - 16ft (5.0m), 15s period with SW swell.

The current surf forecast for Porpoise Bay at 4AM is: 3.5m 16s primary swell from a Southwest direction and 0.1m 12s secondary swell from a Southeast direction (forecast issued at 11:00pm August 29). An open ocean swell of 0.2m 9s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (NZST) & DateWave HeightWave Period
Morning (30 Aug)20ft (6.0m)16s
Afternoon (30 Aug)20ft (6.0m)16s
Evening (30 Aug)16ft (5.0m)15s

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


Short Range Forecast

Heavy rain (total 54mm), heaviest during Sat night. Very mild (max 10°C on Sat night, min 5°C on Mon morning). Winds decreasing (near gales from the W on Sun morning, fresh winds from the W by Tue afternoon).

Sunday
30
Monday
31
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
0
0
!
!
!
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
Wave
Height (m)
Direction
Period (s)
3
WSW
13
2.1
SW
13
3.5
SW
16
4
SW
16
6
SW
16
5.5
SW
16
6
SW
16
5.5
SW
16
5
SW
15
5
SW
15
5
SW
15
5.5
SW
14
5.5
SW
14
6
SW
14
5.5
SW
15
5
SW
14
5
SW
14
Wave Graph
Metric surfscale
Energy kJ
2593
1374
6051
7954
16247
15119
16354
14019
11298
10783
11239
11419
12218
13584
12643
11234
10162
Wind (km/h)
35
W
35
W
35
W
40
W
45
WNW
55
W
50
W
50
WSW
50
WSW
50
WSW
50
WSW
50
WSW
50
WSW
50
WSW
45
WSW
45
WSW
40
SW
Wind State
cross
cross-off
cross
cross
cross-off
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
High Tide
3:09AM2.15m
3:32PM2.15m
3:48AM2.15m
4:12PM2.12m
Low Tide
9:02PM0.27m
9:21AM0.19m
9:41PM0.27m
10:02AM0.23m
mod rain
light rain
heavy rain
light rain
light rain
light rain
rain showers
rain showers
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:18
7:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:09
6:12
 mm
8
1
12
1
1
4
2
2
2
2
2
2
2
2
2
1
2
Temp °C
10
9
8
8
8
8
7
7
6
6
6
6
5
6
6
6
5
Feels °C
3
1
0
-1
-2
-4
-4
-4
-5
-5
-5
-5
-6
-6
-4
-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 

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 Porpoise 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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