Surf Forecasts:
How big are the waves at Porangahau River Mouth today (19 Aug):
- Morning surf: Morning surf (19 Aug, local time) - 13ft (4.0m), 11s period with S swell.
- Afternoon surf: Afternoon surf (19 Aug, local time) - 11ft (3.5m), 15s period with SSW swell.
- Evening surf: Evening surf (19 Aug, local time) - 8ft (2.4m), 14s period with S swell.
The current surf forecast for Porangahau River Mouth at 1AM is: 5.0m 11s primary swell from a South direction and 0.5m 11s secondary swell from a East-southeast direction (forecast issued at 05:00pm August 18). The wind direction is predicted to be cross-offshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Aug) | 13ft (4.0m) | 11s |
| Afternoon (19 Aug) | 11ft (3.5m) | 15s |
| Evening (19 Aug) | 8ft (2.4m) | 14s |
Table - waves today at Porangahau River Mouth. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 6mm), mostly falling on Tue afternoon. Very mild (max 14°C on Fri morning, min 7°C on Tue night). Winds decreasing (strong winds from the SSW on Tue night, calm by Thu night). | |||||||||||||||||||
Tue 18 | Wednesday 19 | Thursday 20 | |||||||||||||||||
3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | SSW 10 | SSW 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 14 | SSW 15 | SSW 14 | S 14 | SSW 14 | SSW 14 | S 13 | S 8 | S 8 | S 8 | S 8 | S 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 3582 | 5614 | 6013 | 6619 | 5677 | 4469 | 3875 | 4529 | 5915 | 5100 | 2374 | 2951 | 1665 | 1421 | 401 | 417 | 428 | 418 | 297 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off |
High Tide | 9:59PM1.43m | 10:26AM1.41m | 10:48PM1.37m | 11:15AM1.38m | |||||||||||||||
Low Tide | 4:17AM0.15m | 4:42PM0.19m | 5:04AM0.20m | 5:31PM0.24m | |||||||||||||||
 |  | |  | |  |  | | | | | | | |  | | | | | |
 | — | — | — | — | — | 6:56 | — | — | — | — | — | — | — | 6:56 | — | — | — | — | — |
 | 5:36 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:37 | — | — |
mm | 2 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 8 | 8 | 7 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 8 | 9 | 9 | 10 | 10 | 12 | 11 | 10 | 10 |
Feels °C | -1 | -2 | -3 | -4 | -3 | -1 | 1 | 1 | 2 | 4 | 5 | 4 | 4 | 5 | 6 | 8 | 7 | 7 | 8 |
Swell 1 Height (m) Direction Period (s) | ESE 10 | — | ESE 12 | ESE 11 | ESE 11 | — | SE 9 | SE 9 | S 15 | S 14 | S 14 | SSW 14 | SE 8 | SE 8 | S 8 | SSW 12 | SSW 12 | S 8 | S 8 |
| kJ | 171 | — | 47 | 68 | 40 | — | 564 | 516 | 3973 | 3108 | 2374 | 1817 | 262 | 206 | 401 | 224 | 164 | 354 | 297 |
Swell 2 Height (m) Direction Period (s) | — | — | E 16 | — | — | — | — | — | SE 9 | SE 9 | SE 9 | SE 9 | — | SE 8 | SSW 13 | ESE 9 | ESE 9 | ESE 9 | ESE 9 |
| kJ | — | — | 5 | — | — | — | — | — | 516 | 503 | 470 | 408 | — | 66 | 356 | 116 | 84 | 84 | 82 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 11 | ESE 8 | ESE 13 | S 18 | SSW 12 | S 17 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 19 | 75 | 17 | 55 | 86 | 197 |
Wind waves Height (m) Direction Period (s) | SSW 10 | SSW 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 14 | SSW 15 | SSW 14 | — | SSW 14 | SSW 14 | S 13 | SSW 7 | S 8 | S 8 | S 8 | — |
| kJ | 3582 | 5614 | 6013 | 6619 | 5677 | 4469 | 3875 | 4529 | 5915 | 5100 | — | 2951 | 1665 | 1421 | 234 | 417 | 428 | 418 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 260 | 196 | 260 | 260 | 269 | 120 | 105 | 105 | 244 | 62 | 0 | 65 | 65 | 62 | 0 | 77 | 65 | 65 | 0 |
Best forecast wave conditions in The Wairarapa | |||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||
Header Global | |||||||||||||||||||
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