Surf Forecasts:
How big are the waves at Porpoise Bay today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 13ft (4.0m), 15s period with SW swell.
- Afternoon surf: Afternoon surf (18 Sep, local time) - 13ft (4.0m), 15s period with SSW swell.
- Evening surf: Evening surf (18 Sep, local time) - 11ft (3.5m), 15s period with SSW swell.
The current surf forecast for Porpoise Bay at 5PM is: 4.0m 15s primary swell from a South-southwest direction and 0.6m 12s secondary swell from a East-southeast direction (forecast issued at 11:00am September 18). An open ocean swell of 1.1m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 13ft (4.0m) | 15s |
| Afternoon (18 Sep) | 13ft (4.0m) | 15s |
| Evening (18 Sep) | 11ft (3.5m) | 15s |
Table - waves today at Porpoise Bay. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 25mm), heaviest during Fri night. Very mild (max 12°C on Fri night, min 6°C on Sat night). Winds decreasing (near gales from the W on Sat night, light winds from the NNW by Sun night). | |||||||||||||||||||||
Fri 18 | Saturday 19 | Sunday 20 | |||||||||||||||||||
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) | SW 15 | SW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 15 | SSW 16 | SSW 16 | SSW 16 | SW 15 | SW 15 | SW 16 | SW 17 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 7429 | 9825 | 7946 | 6375 | 5572 | 4578 | 3973 | 2480 | 2881 | 3684 | 3684 | 3116 | 8402 | 10336 | 18118 | 30301 | 35956 | 29604 | 26219 | 14883 | 10862 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-on | cross-on | cross | cross | cross | cross-off |
High Tide | 7:16AM1.80m | 7:41PM1.72m | 8:22AM1.76m | 8:48PM1.69m | 9:28AM1.76m | ||||||||||||||||
Low Tide | 1:39PM0.72m | 2:04AM0.68m | 2:41PM0.75m | 3:05AM0.68m | 3:40PM0.72m | ||||||||||||||||
 | | |  |  | |  | |  | | | | | |  | | | |  | |  | |
 | 6:41 | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — |
 | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:36 | — | — | — | — | — | — | — | 6:37 | — |
mm | 2 | 1 | 1 | — | — | — | 1 | 4 | 3 | 1 | 1 | 3 | 3 | 1 | 1 | 1 | 1 | 1 | — | — | — |
Temp °C | 9 | 10 | 11 | 11 | 11 | 12 | 10 | 10 | 11 | 11 | 11 | 9 | 6 | 6 | 7 | 7 | 7 | 8 | 9 | 9 | 9 |
Feels °C | 1 | 3 | 5 | 5 | 5 | 5 | 4 | 3 | 3 | 2 | 1 | -1 | -5 | -6 | -5 | -5 | -4 | -2 | 0 | 1 | 1 |
Swell 1 Height (m) Direction Period (s) | ESE 13 | SW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 15 | SSW 16 | SSW 16 | SSW 16 | SE 11 | ESE 11 | ESE 11 | — | — | — | SSW 17 | SSW 16 | SSW 16 |
| kJ | 93 | 7962 | 7946 | 6375 | 5572 | 4578 | 3973 | 2480 | 2881 | 3684 | 3684 | 3116 | 32 | 25 | 25 | — | — | — | 20595 | 14883 | 10862 |
Swell 2 Height (m) Direction Period (s) | ESE 9 | ESE 12 | ESE 12 | ESE 12 | ESE 13 | ESE 13 | ESE 12 | SSW 18 | S 18 | ESE 12 | ESE 12 | ESE 11 | — | — | — | — | — | — | — | — | — |
| kJ | 8 | 87 | 98 | 96 | 106 | 111 | 101 | 1447 | 639 | 56 | 54 | 50 | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | ESE 12 | ESE 12 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 57 | 82 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 15 | SW 15 | — | WNW 5 | NW 5 | NW 4 | WNW 5 | WNW 6 | WNW 6 | W 6 | W 6 | W 7 | SW 15 | SW 15 | SW 16 | SW 17 | SSW 18 | SSW 18 | SSW 17 | — | — |
| kJ | 7429 | 9825 | — | 64 | 51 | 34 | 84 | 246 | 271 | 294 | 333 | 690 | 8402 | 10336 | 18118 | 30301 | 35956 | 29604 | 26219 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 109 | 160 | 34 | 55 | 55 | 112 | 55 | 55 | 55 | 55 | 109 | 112 | 196 | 426 | 611 | 302 | 454 | 709 | 808 | 451 | 34 |
Best forecast wave conditions in Catlins | |||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||
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