Porangahau River Mouth surfForecast / Wairarapa / New Zealand

information circle12 Day Weather and Surf, issued 5 am Sunday 07 Sep 2025 NZST
Forecast update in hr  min  s Forecast update imminent
Porangahau River Mouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Porangahau River Mouth sea temperature is
12.1° C
(Which is 1.0°C colder than average for this time of year)


Best Forecast Surf Conditions for Porangahau River Mouth this week:

The surf forecast for Porangahau River Mouth over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Sep 07) at 6PM. The primary swell is predicted to be 1.8m and 8s period with a secondary swell of 1.4m and 7s. Another secondary swell of 0.4m and 12s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Porangahau River Mouth in the next 12 days are 6.0m 12s and forecast to arrive on Sunday (Sep 14) at 9AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 6s period and expected on Sunday (Sep 07) at 12PM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+) 6PM (Sun 7th Sep)6ft (1.8m) 8s
Best Surf12AM (Mon 8th Sep)10ft (3.0m) 12s
Most Powerful 9AM (Sun 14th Sep)20ft (6.0m) 12s

Table - best surf conditions forecast for Porangahau River Mouth over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 3mm), mostly falling on Sun afternoon. Very mild (max 14°C on Sun morning, min 5°C on Mon night). Winds decreasing (fresh winds from the W on Sun morning, calm by Mon afternoon).

Days 3-6 Weather Summary Heavy rain (total 42mm), heaviest during Thu afternoon. Very mild (max 17°C on Wed night, min 8°C on Thu night). Winds increasing (light winds from the ESE on Thu morning, strong winds from the WNW by Fri night).

Sunday
07
Monday
08
Tuesday
09
Wednesday
10
Thursday
11
Friday
12
Saturday
13
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
1
!
4
3
3
2
2
2
0
0
0
0
0
0
3
2
1
0
0
!
Swell
Height Map
Wave Height (m) & direction (?)
0.7
SSW
1.8
SSW
3
S
2.4
S
2.1
S
1.6
S
1.2
S
0.8
S
1
S
0.7
S
0.6
ENE
0.6
NE
0.9
ESE
1.3
ENE
1
SSW
2.3
S
2.2
S
1.4
S
0.6
SSW
0.6
SSW
4.5
SSW
Period(s) (?)961212111010141111111010510788121211
Wave
Graph
(?)Metric surfscale
Energy (?)1443152743178511555454334172841661341262692203536987353512392155094
Wind
(km/h)
35
W
25
S
10
SW
15
SSW
10
SSE
10
NNW
15
NNW
10
NNW
15
NW
20
NW
25
NNW
25
NW
20
SSE
15
E
35
S
15
WSW
15
WSW
35
WNW
50
W
35
W
15
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offcross-
off
cross-
off
cross-
off
crosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crossoncross-
off
offcross-
off
offoffoffoff
High Tide
/ height (m)
4:45PM
1.46
5:09AM
1.37
5:36PM
1.50
6:01AM
1.43
6:27PM
1.53
6:54AM
1.48
7:20PM
1.55
7:47AM
1.53
8:13PM
1.55
8:41AM
1.56
9:08PM
1.54
9:36AM
1.58
10:04PM
1.51
Low Tide
/ height (m)
10:27AM
0.17
11:04PM
0.16
11:19AM
0.12
11:55PM
0.11
12:13PM
0.08
12:47AM
0.06
1:08PM
0.05
1:39AM
0.03
2:04PM
0.03
2:31AM
0.02
3:00PM
0.03
3:25AM
0.03
3:57PM
0.04
Sunday
07
Monday
08
Tuesday
09
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunrise6:28--6:26--6:24--6:22--6:22--6:20--6:18--
Sunset-5:54--5:55--5:57--5:58--5:59--5:59--6:00-
clear
light rain
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
cloud
light rain
mod rain
heavy rain
heavy rain
rain showers
rain showers
part cloud
rain showers
thunderstorm
rain showers
Rain (mm)
-3---------56161212-123
Temp. °C148810108131311161617991011121211105
Feels °C (?)73456599611111155568522-1
  • 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

Eyeball surf reportRecent Eyeball Surf Reports for Wairarapa

  1. weather stationWind Update The wind is still offshore at Porangahau River Mouth (strong winds from the W at ASCATB177E40S 46 km from Porangahau River Mouth). 0.8m 9s swell from the SSW with a 0.5m 6s windswell from the S and a 0.4m 15s groundswell from the SSW. 3 swells combining to make bigger set waves.

    Porangahau River Mouth
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46 km away, 2 h 12 min ago

43 km/h
W
0.0
12.1
Air / Water (°C)
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Porangahau River Mouth 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.


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 12 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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