Porangahau River Mouth Surf Break

Lat Long: 40.40° S 176.64° E

Porangahau River Mouth Surf Forecast and Surf Report

Issued: 5 pm 06 Aug 2026 (local time)

Forecast update in  hr  min

Today's Porangahau River Mouth sea temperature is
11.9° C
1.3° 

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 6 Aug 2026:

  • Best quality surf: Friday 7 Aug, 12AM (local time) - 4.5ft (1.4m), 10s period, S swell with offshore winds.
  • Most powerful swell: Friday 7 Aug, 3PM (local time) - 7.5ft (2.3m), 14s period, S swell with 2,062 kJ wave energy.
  • Next surfable swell (1★+): Friday 7 Aug, 12AM (local time) - 4.5ft (1.4m), 10s 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 Friday (Aug 07) at 12AM. The primary swell is predicted to be 1.4m and 10s period with a secondary swell of 1.2m and 11s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Porangahau River Mouth in the next 16 days are 2.3m 14s and forecast to arrive on Friday (Aug 07) at 3PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Friday (Aug 07) at 9PM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+)12AM (Fri 7th Aug)4.5ft (1.4m) 10s
Best Surf12AM (Fri 7th Aug)4.5ft (1.4m) 10s
Most Powerful 3PM (Fri 7th Aug)7.5ft (2.3m) 14s

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


Short Range Forecast

Mostly dry. Very mild (max 13°C on Sat afternoon, min 4°C on Thu night). Wind will be generally light.

Days 5-7 Weather Summary

Light rain (total 4mm), mostly falling on Sun afternoon. Very mild (max 14°C on Mon morning, min 8°C on Mon night). Wind will be generally light.

Thu
6
Friday
7
Saturday
8
Sunday
9
Monday
10
Tuesday
11
Wednesday
12
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
3
4
4
4
4
4
2
1
2
1
2
1
1
2
2
0
0
1
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.1
SSW
11
1.4
S
10
1.7
S
16
2.3
S
14
2
S
13
1.9
S
12
1.6
S
11
1.4
SSE
11
1.2
S
10
0.8
S
13
0.9
SSE
11
0.9
SSE
10
0.9
SSE
10
0.9
SSW
9
0.9
SSE
12
0.9
SSE
11
0.8
SSE
11
1.1
SSE
9
0.9
SSE
8
0.6
SE
8
Wave Graph
Metric surfscale
Energy kJ
936
386
1366
2062
1308
1013
632
460
308
219
187
140
135
129
231
207
143
181
114
50
Wind (km/h)
15
SSW
10
WNW
10
WNW
20
W
10
NW
10
NW
5
N
10
N
10
N
10
N
10
NW
20
W
15
SW
5
W
0
SE
15
ENE
25
NE
5
N
5
ENE
10
NW
Wind State
cross-off
off
cross-off
off
cross-off
cross-off
cross
cross
cross
cross
cross-off
off
cross-off
off
glassy
cross-on
cross-on
cross
glassy
cross-off
High Tide
11:22PM1.40m
11:51AM1.44m
00:16AM1.41m
12:47PM1.48m
1:13AM1.42m
1:44PM1.52m
2:11AM1.43m
2:43PM1.56m
3:10AM1.45m
3:42PM1.60m
4:08AM1.47m
4:40PM1.62m
Low Tide
5:15PM0.19m
5:39AM0.16m
6:09PM0.18m
6:31AM0.14m
7:05PM0.16m
7:26AM0.12m
8:03PM0.13m
8:23AM0.09m
9:03PM0.11m
9:21AM0.06m
10:02PM0.08m
10:20AM0.03m
11:01PM0.05m
clear
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
cloud
light rain
rain showers
clear
clear
part cloud
cloud
cloud
light rain
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:13
7:11
7:09
7:09
7:07
7:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:23
5:24
5:25
5:27
5:28
5:29
5:30
 mm
2
1
1
Temp °C
9
7
9
10
9
12
13
10
12
13
11
14
13
10
10
11
12
14
15
12
Feels °C
4
4
5
5
5
9
11
7
9
11
8
9
10
8
7
7
8
15
15
11
  • 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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