Surf Forecasts:
How big are the waves at Porpoise Bay today (21 Jul):
- Morning surf: Morning surf (21 Jul, local time) - 5.5ft (1.7m), 13s period with SSW swell.
- Afternoon surf: Afternoon surf (21 Jul, local time) - 5ft (1.5m), 12s period with SSW swell.
- Evening surf: Evening surf (21 Jul, local time) - 5ft (1.6m), 12s period with SW swell.
The current surf forecast for Porpoise Bay at 7PM is: 1.6m 12s primary swell from a Southwest direction and 0.2m 11s secondary swell from a East-southeast direction, 1.7m 6s secondary swell from a West direction (forecast issued at 11:00am July 21). The wind direction is predicted to be cross-offshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jul) | 5.5ft (1.7m) | 13s |
| Afternoon (21 Jul) | 5ft (1.5m) | 12s |
| Evening (21 Jul) | 5ft (1.6m) | 12s |
Table - waves today at Porpoise Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 6mm), mostly falling on Tue night. Very mild (max 13°C on Thu afternoon, min 8°C on Tue morning). Winds decreasing (fresh winds from the WNW on Tue afternoon, light winds from the NNE by Thu night). | |||||||||||||||||||||
Tue 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||
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 | 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 13 | SSW 12 | SSW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 14 | SW 14 | SW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 880 | 771 | 669 | 706 | 718 | 772 | 940 | 1120 | 976 | 976 | 905 | 746 | 604 | 471 | 252 | 175 | 144 | 122 | 123 | 195 | 176 |
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 | cross-off | cross-off | cross | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | off | off | off | off | off | off |
High Tide | 7:36AM1.96m | 8:04PM1.90m | 8:36AM1.87m | 9:02PM1.83m | 9:38AM1.83m | ||||||||||||||||
Low Tide | 1:54PM0.46m | 2:22AM0.48m | 2:51PM0.56m | 3:17AM0.55m | 3:47PM0.62m | ||||||||||||||||
 | | |  |  | | | |  |  | |  |  | | | | | | | | | |
 | 8:18 | — | — | — | — | — | — | 8:17 | — | — | — | — | — | — | — | 8:15 | — | — | — | — | — |
 | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:23 | — | — |
mm | — | — | — | 1 | 2 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 8 | 12 | 12 | 11 | 10 | 10 | 9 | 8 | 8 | 9 | 10 | 9 | 8 | 8 | 8 | 8 | 10 | 12 | 13 | 10 | 10 |
Feels °C | 2 | 6 | 6 | 5 | 6 | 5 | 5 | 4 | 4 | 6 | 7 | 7 | 5 | 5 | 4 | 4 | 4 | 7 | 9 | 7 | 6 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 12 | SSW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 14 | SW 14 | SW 13 |
| kJ | 880 | 771 | 669 | 706 | 718 | 772 | 940 | 1120 | 976 | 976 | 905 | 746 | 604 | 471 | 252 | 175 | 144 | 122 | 123 | 195 | 176 |
Swell 2 Height (m) Direction Period (s) | ESE 12 | ESE 12 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | SE 12 | WNW 3 | SSE 12 | SSE 11 | SSE 11 | SSW 7 | S 7 | SSW 8 | SSW 7 | ENE 6 | ENE 6 | ENE 6 |
| kJ | 27 | 26 | 25 | 25 | 13 | 13 | 12 | 12 | 12 | 6 | 1 | 13 | 13 | 12 | 31 | 28 | 19 | 10 | 12 | 7 | 7 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | SE 12 | SE 11 | SSE 12 | SE 11 | SE 11 | E 11 | SSE 11 | SSE 11 | SSE 11 | SSE 10 | SSW 7 | E 4 | SE 11 |
| kJ | — | — | — | — | — | — | — | — | 6 | 5 | 14 | 5 | 5 | 2 | 11 | 11 | 11 | 10 | 5 | 1 | 5 |
Wind waves Height (m) Direction Period (s) | WNW 4 | WNW 5 | WNW 5 | W 6 | W 5 | WSW 5 | WNW 4 | WNW 4 | WNW 4 | — | — | — | — | — | NNE 3 | NNE 3 | NNE 4 | NNE 4 | N 3 | N 3 | NW 3 |
| kJ | 35 | 75 | 87 | 178 | 95 | 47 | 14 | 6 | 6 | — | — | — | — | — | 3 | 8 | 14 | 18 | 6 | 5 | 2 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 45 | 45 | 45 | 34 | 34 | 34 | 34 | 34 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Catlins | |||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||
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