Surf Forecasts:
How big are the waves at Porpoise Bay today (25 Aug):
- Morning surf: Morning surf (25 Aug, local time) - 11ft (3.5m), 15s period with SSW swell.
- Afternoon surf: Afternoon surf (25 Aug, local time) - 13ft (4.0m), 15s period with SW swell.
- Evening surf: Evening surf (25 Aug, local time) - 11ft (3.5m), 14s period with SW swell.
The current surf forecast for Porpoise Bay at 1AM is: 3.0m 15s primary swell from a South-southwest direction and 0.3m 14s secondary swell from a East-southeast direction (forecast issued at 05:00pm August 24). An open ocean swell of 2.1m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Aug) | 11ft (3.5m) | 15s |
| Afternoon (25 Aug) | 13ft (4.0m) | 15s |
| Evening (25 Aug) | 11ft (3.5m) | 14s |
Table - waves today at Porpoise Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Wed afternoon. Very mild (max 13°C on Mon afternoon, min 6°C on Wed night). Winds decreasing (strong winds from the WNW on Mon night, calm by Wed morning). | |||||||||||||||||||
Mon 24 | Tuesday 25 | Wednesday 26 | |||||||||||||||||
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 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 15 |
Wave Graph  | |||||||||||||||||||
 kJ | 4700 | 4494 | 4082 | 3526 | 3072 | 4112 | 5052 | 4985 | 6550 | 5582 | 4748 | 4074 | 3697 | 3463 | 3413 | 3353 | 2728 | 3644 | 3933 |
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 | cross | cross | cross | cross | cross | cross | cross | cross | glassy | glassy | cross-on | cross |
High Tide | 00:05AM1.88m | 12:31PM1.98m | 00:44AM1.96m | 1:09PM2.05m | |||||||||||||||
Low Tide | 5:50PM0.58m | 6:07AM0.46m | 6:32PM0.49m | 6:47AM0.37m | 7:10PM0.41m | ||||||||||||||
 |  |  |  | |  |  | | |  | | | |  | | | | | | |
 | — | — | — | — | — | 7:28 | — | — | — | — | — | — | — | 7:26 | — | — | — | — | — |
 | — | 6:02 | — | — | — | — | — | — | — | 6:04 | — | — | — | — | — | — | — | 6:05 | — |
mm | — | — | — | — | — | — | 1 | — | — | — | — | — | — | 1 | 1 | 1 | 2 | 1 | — |
Temp °C | 13 | 13 | 13 | 13 | 12 | 12 | 10 | 10 | 10 | 9 | 9 | 10 | 9 | 8 | 8 | 8 | 7 | 7 | 7 |
Feels °C | 5 | 6 | 6 | 4 | 2 | 2 | 3 | 2 | 2 | 1 | 2 | 4 | 4 | 4 | 5 | 7 | 5 | 3 | 3 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | ESE 14 | ESE 13 | ESE 13 | ESE 13 | ESE 14 | SW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 15 |
| kJ | 4700 | 4494 | 4082 | 3526 | 3072 | 4112 | 5052 | 4985 | 18 | 18 | 17 | 17 | 19 | 3463 | 3413 | 3353 | 2728 | 3644 | 3933 |
Swell 2 Height (m) Direction Period (s) | ESE 14 | ESE 14 | ESE 14 | ESE 14 | ESE 14 | ESE 14 | ESE 14 | ESE 14 | — | — | — | — | — | ESE 14 | ESE 14 | ESE 13 | SSW 16 | ESE 13 | ESE 13 |
| kJ | 39 | 40 | 40 | 40 | 20 | 20 | 19 | 19 | — | — | — | — | — | 20 | 19 | 16 | 927 | 17 | 17 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | ESE 13 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 17 | — | — |
Wind waves Height (m) Direction Period (s) | WNW 6 | WNW 6 | WNW 5 | WNW 6 | W 6 | W 6 | WSW 6 | WSW 7 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | — | — | — | — | — | — |
| kJ | 173 | 136 | 126 | 217 | 505 | 502 | 393 | 571 | 6550 | 5582 | 4748 | 4074 | 3697 | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 55 | 55 | 112 | 112 | 115 | 112 | 109 | 109 | 109 | 109 | 63 | 34 | 34 | 34 | 34 | 0 | 0 | 108 | 138 |
Best forecast wave conditions in Catlins | |||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||
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