Porangahau River Mouth Surf Break

Porangahau River Mouth Surf Forecast and Surf Report

Lat Long: 40.40° S 176.64° E

Issued: 5 am 12 Jun 2026 (local time)

Forecast update in  hr  min

Today's Porangahau River Mouth sea temperature is
13.7° C

Slightly cooler than normal

Porangahau River Mouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Porangahau River Mouth surf forecast from 11 Jun 2026:

  • Best quality surf: Friday 19 Jun, 6AM (local time) - 6ft (1.8m), 15s period, S swell with glassy winds.
  • Most powerful swell: Friday 19 Jun, 12PM (local time) - 6.5ft (2.0m), 15s period, S swell with 1,804 kJ wave energy.
  • Next surfable swell (1★+): Friday 12 Jun, 9AM (local time) - 4.5ft (1.3m), 11s period with SSE swell.

Best Forecast Surf Conditions for Porangahau River Mouth this week:

The surf forecast for Porangahau River Mouth over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Jun 12) at 9AM. The primary swell is predicted to be 1.3m and 11s period with a secondary swell of 0.2m and 14s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Porangahau River Mouth in the next 16 days are 2.0m 15s and forecast to arrive on Friday (Jun 19) at 12PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 6s period and expected on Tuesday (Jun 16) at 9AM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+) 9AM (Fri 12th Jun)4.5ft (1.3m) 11s
Best Surf 6AM (Fri 19th Jun)6ft (1.8m) 15s
Most Powerful12PM (Fri 19th Jun)6.5ft (2.0m) 15s

Table - best surf conditions forecast for Porangahau River Mouth over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 2mm), mostly falling on Sat night. Very mild (max 17°C on Sun afternoon, min 9°C on Fri night). Wind will be generally light.

Days 4-6 Weather Summary

Moderate rain (total 12mm), heaviest on Mon night. Very mild (max 16°C on Mon morning, min 8°C on Tue night). Winds decreasing (fresh winds from the WNW on Wed morning, light winds from the W by Wed night).

Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
1
1
1
2
2
1
0
0
0
1
1
0
1
1
1
3
2
2
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.3
SSE
11
1.1
S
10
0.8
SSE
10
0.9
SSE
9
0.9
SSE
9
0.9
SSE
10
0.9
SSE
10
0.4
SSW
16
0.6
SSW
12
0.7
SSW
12
0.7
S
11
0.6
S
11
0.4
SSW
14
1
S
7
0.5
SSW
10
0.7
S
14
1.1
S
14
1
S
11
1.2
SSW
14
1
S
13
1.4
SSW
15
Wave Graph
Metric surfscale
Energy kJ
366
245
125
132
132
176
137
90
115
142
121
79
74
94
54
206
487
265
605
329
953
Wind (km/h)
10
NW
15
SSW
10
W
5
NW
5
N
10
N
15
NNW
20
NW
25
WNW
25
WNW
20
WNW
15
NW
20
SSW
15
SW
15
NW
30
WNW
20
W
5
W
10
N
15
WSW
10
SSE
Wind State
cross-off
cross-off
off
cross-off
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross-off
off
off
off
cross
cross-off
cross-on
High Tide
2:26PM1.44m
2:50AM1.44m
3:22PM1.52m
3:48AM1.48m
4:20PM1.60m
4:46AM1.51m
5:17PM1.66m
5:44AM1.54m
6:15PM1.70m
6:42AM1.55m
7:12PM1.72m
7:40AM1.54m
8:09PM1.70m
Low Tide
8:40PM0.16m
9:04AM0.09m
9:39PM0.11m
10:00AM0.05m
10:39PM0.06m
10:58AM0.01m
11:38PM0.02m
11:56AM-0.02m
00:38AM-0.01m
12:55PM-0.03m
1:37AM-0.03m
1:53PM-0.03m
2:34AM-0.02m
part cloud
part cloud
clear
clear
part cloud
rain showers
part cloud
part cloud
part cloud
part cloud
clear
heavy rain
light rain
part cloud
clear
clear
part cloud
clear
cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:33
7:33
7:33
7:33
7:35
7:35
7:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
4:52
4:52
4:52
4:52
4:52
4:52
4:52
 mm
2
11
1
Temp °C
13
12
11
12
14
13
16
17
15
16
16
14
11
11
9
14
14
9
11
13
12
Feels °C
10
9
8
10
12
10
13
13
11
11
12
12
7
8
7
8
9
7
9
10
10
Swell 1
Height (m)
Direction
Period (s)
1.3
SSE
11
1.1
S
10
0.8
SSE
10
0.9
SSE
9
0.9
SSE
9
0.9
SSE
10
0.9
SSE
10
0.7
SSE
9
0.6
SSW
12
0.7
SSW
12
0.7
S
11
0.6
S
11
0.4
SSW
14
0.4
SSW
11
0.8
S
6
0.8
SSW
10
1.1
S
14
1
S
11
1.2
SSW
14
1
S
13
1.4
SSW
15
Energy kJ
366
245
125
132
132
176
137
90
115
142
121
79
74
51
49
147
487
265
605
329
953
Swell 2
Height (m)
Direction
Period (s)
0.2
SSW
14
0.2
SSW
16
0.2
SSW
15
0.2
S
13
0.3
SSE
12
0.4
SSW
18
0.2
S
17
0.4
SSW
16
0.4
SSE
9
0.3
SE
13
0.4
SE
13
0.3
SSW
14
0.4
S
10
0.2
SSE
10
0.5
SSW
10
0.7
S
14
0.2
ESE
12
0.7
SSW
14
0.3
E
12
0.1
NE
4
0.1
NE
11
Energy kJ
20
24
22
14
30
102
23
81
26
27
40
41
29
10
54
206
14
218
25
1
4
Swell 3
Height (m)
Direction
Period (s)
0.2
S
18
0.1
SE
14
0.1
SE
14
0.2
ESE
10
0.2
SSW
20
0.1
SE
13
0.2
SSE
13
0.2
SSE
13
0.4
SE
10
0.3
SE
10
0.1
E
16
0.3
SSW
18
0.2
SSE
11
0.2
E
13
0.2
S
16
0.1
SE
9
0.1
NE
10
0.2
ESE
12
0.1
SE
12
0.1
SE
11
Energy kJ
25
8
8
9
38
7
17
16
28
15
5
66
11
14
19
3
4
15
5
5
Wind waves
Height (m)
Direction
Period (s)
0.5
NW
3
0.7
SSW
4
0.5
S
4
0.3
WNW
2
0.4
NW
3
0.3
WNW
3
0.3
WNW
3
0.9
SSW
6
1
S
7
0.4
NW
3
0.7
W
4
0.3
WNW
3
0.3
ENE
12
0.6
S
4
Energy kJ
5
12
7
1
3
1
1
58
94
2
14
1
28
10
Nearest Offshore or Glassy
Rating
(10 max)
2
1
1
1
2
2
1
1
1
1
1
1
1
1
1
3
3
2
3
2
2
Distance (km)
0
65
0
0
0
0
0
8
8
8
0
0
65
0
0
62
0
0
8
0
71
Best forecast wave conditions in The Wairarapa
Rating
(10 max)
2
2
2
1
2
2
2
2
1
1
1
1
2
2
2
3
3
4
3
2
4
Best forecast wave conditions in New Zealand
Rating
(10 max)
4
4
4
4
4
4
4
4
4
9
1
5
4
4
4
5
5
4
5
3
5
Header Global
Rating
(10 max)
6
6
9
5
5
5
4
7
5
9
4
5
5
5
5
5
5
4
5
6
5
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Porangahau River Mouth Surf forecast

The above surf forecast table for Porangahau River Mouth provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Porangahau River Mouth can be found by selecting the local surf guide option on the grey menu. Our Porangahau River Mouth surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Porangahau River Mouth) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Porangahau River Mouth may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Porangahau River Mouth is 87 km (54 miles) from the city of Palmerston North. If you plan a holiday in The Wairarapa, look for hotels and other accommodation in Palmerston North. Palmerston North has rooms for a wide range of budgets as well as car hire and transport links.

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