Porangahau River Mouth Surf Break

Porangahau River Mouth Surf Forecast and Surf Report

Lat Long: 40.40° S 176.64° E

Issued: 5 am 22 Jun 2026 (local time)

Forecast update in  hr  min

Today's Porangahau River Mouth sea temperature is
13.6° C

Normal for this time of year

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 21 Jun 2026:

  • Best quality surf: Friday 26 Jun, 12AM (local time) - 10ft (3.0m), 8s period, S swell with cross-offshore winds.
  • Most powerful swell: Friday 26 Jun, 6PM (local time) - 20ft (6.0m), 12s period, S swell with 10,732 kJ wave energy.
  • Next surfable swell (1★+): Monday 22 Jun, 3PM (local time) - 3.5ft (1.0m), 14s period with S 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 Monday (Jun 22) at 3PM. The primary swell is predicted to be 1.0m and 14s period with a secondary swell of 0.2m and 19s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Porangahau River Mouth in the next 16 days are 6.0m 12s and forecast to arrive on Friday (Jun 26) at 6PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 4s period and expected on Thursday (Jun 25) at 3PM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+) 3PM (Mon 22nd Jun)3.5ft (1.0m) 14s
Best Surf12AM (Fri 26th Jun)10ft (3.0m) 8s
Most Powerful 6PM (Fri 26th Jun)20ft (6.0m) 12s

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

Some drizzle, heaviest during Wed night. Very mild (max 14°C on Wed morning, min 9°C on Mon night). Winds increasing (calm on Mon afternoon, strong winds from the NE by Wed afternoon).

Days 4-6 Weather Summary

Heavy rain (total 25mm), heaviest during Thu morning. Very mild (max 13°C on Thu afternoon, min 7°C on Thu night). Winds increasing (calm on Fri morning, fresh winds from the SSW by Sat morning).

Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
2
4
4
1
1
0
0
0
3
3
!
!
!
!
!
!
3
4
4
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
SSW
12
1
S
14
2.5
S
17
2.1
S
15
1.6
S
14
1.2
S
13
1.1
S
12
0.9
SSW
13
3
NE
9
2.3
ENE
9
1.8
ENE
9
3
S
8
5
SSW
10
5.5
SSW
12
5.5
S
12
4
SSW
11
3.5
S
10
2.5
S
9
2.5
S
8
1.2
SSW
16
1.2
E
11
Wave Graph
Metric surfscale
Energy kJ
111
390
4020
1959
1033
490
371
286
1214
937
586
995
4480
8627
8095
3774
2199
1138
865
739
346
Wind (km/h)
15
S
5
ESE
15
NNE
10
N
20
NE
20
NNE
20
NNE
35
NE
25
NNE
20
NW
15
NW
5
NNW
5
W
15
S
30
SW
35
SSW
30
SSW
20
SW
10
WSW
15
S
20
SSW
Wind State
cross
glassy
cross
cross-off
cross-on
cross
cross-on
cross-on
cross-on
cross-off
cross-off
cross-off
glassy
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
11:27AM1.41m
11:50PM1.46m
12:21PM1.37m
00:42AM1.39m
1:13PM1.35m
1:32AM1.34m
2:03PM1.34m
2:21AM1.30m
2:50PM1.34m
3:09AM1.27m
3:36PM1.34m
3:55AM1.27m
4:21PM1.36m
Low Tide
5:38PM0.14m
6:11AM0.12m
6:31PM0.20m
7:00AM0.17m
7:24PM0.25m
7:47AM0.22m
8:14PM0.28m
8:33AM0.25m
9:03PM0.30m
9:19AM0.28m
9:51PM0.31m
10:03AM0.29m
10:37PM0.31m
cloud
part cloud
clear
clear
part cloud
cloud
part cloud
cloud
rain showers
mod rain
clear
part cloud
part cloud
light rain
mod rain
light rain
cloud
cloud
clear
part cloud
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:35
7:37
7:37
7:37
7:37
7:37
7:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
4:52
4:53
4:53
4:53
4:54
4:54
4:54
 mm
1
8
3
9
5
1
Temp °C
11
12
11
12
13
12
14
14
13
12
13
10
11
12
11
11
11
10
11
11
10
Feels °C
7
9
7
8
9
9
9
7
6
9
9
8
8
8
6
4
4
5
8
7
6
Swell 1
Height (m)
Direction
Period (s)
0.6
SSW
12
1
S
14
2.5
S
17
2.1
S
15
1.6
S
14
1.2
S
13
1.1
S
12
0.9
SSW
13
0.7
SSW
13
2.3
ENE
9
1.8
ENE
9
1.4
ENE
9
1.3
ENE
11
1.2
E
11
1.6
E
12
1.8
E
12
1.9
E
11
1.5
E
11
1.3
E
12
1.2
SSW
16
1.2
E
11
Energy kJ
111
390
4020
1959
1033
490
371
286
187
937
586
336
359
326
678
840
888
534
449
739
338
Swell 2
Height (m)
Direction
Period (s)
0.2
ENE
8
0.2
S
19
0.1
NE
8
0.5
SSW
14
0.2
SSW
22
0.6
S
19
1
S
16
0.8
S
18
1.2
E
11
0.9
SSW
14
Energy kJ
7
29
3
111
46
270
548
408
338
346
Swell 3
Height (m)
Direction
Period (s)
0.2
S
10
0.2
ENE
8
0.8
SSW
14
Energy kJ
8
7
236
Wind waves
Height (m)
Direction
Period (s)
0.9
S
5
0.7
NNE
4
0.6
NE
4
1.2
NE
6
1.4
NE
7
1.6
NE
7
3
NE
9
1.1
S
4
3
S
8
5
SSW
10
5.5
SSW
12
5.5
S
12
4
SSW
11
3.5
S
10
2.5
S
9
2.5
S
8
2.1
S
8
1.5
S
7
Energy kJ
43
14
8
102
163
237
1214
43
995
4480
8627
8095
3774
2199
1138
865
593
218
Nearest Offshore or Glassy
Rating
(10 max)
1
2
5
4
3
3
1
1
1
4
3
4
5
1
5
2
2
4
4
4
3
Distance (km)
65
0
11
0
69
29
126
150
150
8
0
10
10
105
65
105
105
62
0
0
71
Best forecast wave conditions in The Wairarapa
Rating
(10 max)
2
4
6
4
4
3
3
2
2
4
3
4
5
5
4
4
4
Best forecast wave conditions in New Zealand
Rating
(10 max)
7
5
6
4
4
4
3
2
4
5
5
5
5
5
5
5
5
5
5
4
4
Header Global
Rating
(10 max)
7
5
6
5
6
5
7
9
8
6
6
5
5
5
5
5
5
5
5
6
6
  • Map Icons:
  • Break
  • 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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