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Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Porangahau River Mouth surfForecast / Wairarapa / New Zealand
48hr Weather and Surf, issued 12 am Wednesday 31 Dec 2025 NZDTForecast 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
16.1° C
(Which is slightly cooler than normal)How big are the waves at Porangahau River Mouth today?
The current surf forecast for Porangahau River Mouth at 7AM is: 1.5m 8s primary swell from a East-southeast direction and 1.0m 10s secondary swell from a South direction (forecast issued at 12:00am December 31). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (NZDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Dec) | 5ft (1.5m) | 8s |
| Afternoon (31 Dec) | 5.5ft (1.7m) | 7s |
| Evening (31 Dec) | 5ft (1.6m) | 8s |
Table - waves today at Porangahau River Mouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 31 | Thursday 01 | Friday 02 | ||||||||||||||||||||||
| 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 9 | 8 | 8 | 7 | 6 | 7 | 8 | 8 | 8 | 8 | 7 | 8 | 8 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 905 | 566 | 397 | 302 | 297 | 250 | 231 | 315 | 604 | 634 | 242 | 158 | 131 | 150 | 364 | 131 | 142 | 153 | 136 | 114 | 82 | 73 | 112 | 44 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | glass | glass | cross- on | cross- on | cross- on | cross- on | glass | glass | cross- off | cross- off | glass | cross- on | cross- off | off | off | off | off | off | off | glass | cross- on | cross |
High Tide / height (m) | 2:38AM 1.46 | 3:02PM 1.44 | 3:36AM 1.53 | 4:01PM 1.47 | 4:34AM 1.59 | 5:01PM 1.49 | ||||||||||||||||||
Low Tide / height (m) | 8:22PM 0.12 | 8:52AM 0.15 | 9:17PM 0.09 | 9:52AM 0.11 | 10:14PM 0.06 | 10:53AM 0.08 | ||||||||||||||||||
Wednesday 31 | Thursday 01 | Friday 02 | ||||||||||||||||||||||
| Sunrise | - | - | - | 5:45 | - | - | - | - | - | - | - | 5:46 | - | - | - | - | - | - | - | 5:47 | - | - | - | - |
| Sunset | - | - | - | - | - | - | - | 8:45 | - | - | - | - | - | - | - | 8:45 | - | - | - | - | - | - | - | 8:45 |
 |  | |  | | |  | | |  | | | | | | | | | | |  | | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 |
| Temp. °C | 17 | 17 | 16 | 16 | 20 | 23 | 22 | 23 | 18 | 17 | 16 | 16 | 21 | 21 | 23 | 22 | 19 | 18 | 17 | 17 | 20 | 21 | 19 | 16 |
| Feels °C (?) | 19 | 19 | 17 | 17 | 19 | 19 | 19 | 21 | 19 | 18 | 16 | 15 | 21 | 20 | 23 | 21 | 17 | 15 | 14 | 14 | 18 | 21 | 18 | 16 |
- 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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