Porpoise Bay Surf Break

Lat Long: 46.66° S 169.05° E

Porpoise Bay 48 hour detailed Surf Forecast

Issued: 11 am 18 Sep 2026 (local time)

Forecast update in  hr  min

Today's Porpoise Bay sea temperature is
11.2°C
1.7° 

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 (18 Sep):

  • Morning surf: Morning surf (18 Sep, local time) - 13ft (4.0m), 15s period with SW swell.
  • Afternoon surf: Afternoon surf (18 Sep, local time) - 13ft (4.0m), 15s period with SSW swell.
  • Evening surf: Evening surf (18 Sep, local time) - 11ft (3.5m), 15s period with SSW swell.

The current surf forecast for Porpoise Bay at 5PM is: 4.0m 15s primary swell from a South-southwest direction and 0.6m 12s secondary swell from a East-southeast direction (forecast issued at 11:00am September 18). An open ocean swell of 1.1m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (NZST) & DateWave HeightWave Period
Morning (18 Sep)13ft (4.0m)15s
Afternoon (18 Sep)13ft (4.0m)15s
Evening (18 Sep)11ft (3.5m)15s

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


Short Range Forecast

Heavy rain (total 25mm), heaviest during Fri night. Very mild (max 12°C on Fri night, min 6°C on Sat night). Winds decreasing (near gales from the W on Sat night, light winds from the NNW by Sun night).

Fri
18
Saturday
19
Sunday
20
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
!
6
5
5
3
3
2
2
2
0
0
0
0
!
!
!
!
!
6
7
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)
4
SW
15
5
SW
15
4
SSW
15
4
SSW
15
3.5
SSW
15
3.5
SSW
15
3
SSW
15
2.5
SSW
14
2.5
SSW
15
3
SSW
16
3
SSW
16
2.5
SSW
16
4.5
SW
15
5
SW
15
6
SW
16
7.5
SW
17
7.5
SSW
18
7
SSW
18
6.5
SSW
17
5.5
SSW
16
4.5
SSW
16
Wave Graph
Metric surfscale
Energy kJ
7429
9825
7946
6375
5572
4578
3973
2480
2881
3684
3684
3116
8402
10336
18118
30301
35956
29604
26219
14883
10862
Wind (km/h)
35
W
30
W
30
W
30
WNW
25
NW
30
NW
30
NW
35
NW
40
WNW
45
WNW
45
WNW
50
WNW
50
W
50
W
55
W
55
WSW
45
WSW
40
WSW
40
WSW
30
W
30
W
Wind State
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross-on
cross-on
cross
cross
cross
cross-off
High Tide
7:16AM1.80m
7:41PM1.72m
8:22AM1.76m
8:48PM1.69m
9:28AM1.76m
Low Tide
1:39PM0.72m
2:04AM0.68m
2:41PM0.75m
3:05AM0.68m
3:40PM0.72m
light rain
light rain
light rain
cloud
cloud
cloud
light rain
light rain
rain showers
light rain
light rain
light rain
light rain
light rain
rain showers
rain showers
light rain
light rain
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:41
6:39
6:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:35
6:36
6:37
 mm
2
1
1
1
4
3
1
1
3
3
1
1
1
1
1
Temp °C
9
10
11
11
11
12
10
10
11
11
11
9
6
6
7
7
7
8
9
9
9
Feels °C
1
3
5
5
5
5
4
3
3
2
1
-1
-5
-6
-5
-5
-4
-2
0
1
1
  • 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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