Surf Forecasts:
How big are the waves at Porpoise Bay today (17 Sep):
- Morning surf: Morning surf (17 Sep, local time) - 7ft (2.1m), 17s period with SW swell.
- Afternoon surf: Afternoon surf (17 Sep, local time) - 7ft (2.2m), 16s period with SSW swell.
- Evening surf: Evening surf (17 Sep, local time) - 10ft (3.0m), 16s period with SW swell.
The current surf forecast for Porpoise Bay at 4PM is: 2.2m 16s primary swell from a South-southwest direction and 0.3m 11s secondary swell from a East-southeast direction (forecast issued at 11:00am September 17). An open ocean swell of 1.7m 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 (17 Sep) | 7ft (2.1m) | 17s |
| Afternoon (17 Sep) | 7ft (2.2m) | 16s |
| Evening (17 Sep) | 10ft (3.0m) | 16s |
Table - waves today at Porpoise Bay. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 24mm), heaviest during Sat afternoon. Very mild (max 11°C on Fri night, min 6°C on Sat afternoon). Winds increasing (light winds from the NNW on Fri night, near gales from the WSW by Sat night). | |||||||||||||||||||||
Thu 17 | Friday 18 | Saturday 19 | |||||||||||||||||||
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 17 | SSW 17 | SSW 16 | SW 16 | SW 16 | SSW 16 | SSW 16 | SSW 15 | SW 15 | SW 15 | SW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SW 14 | SSW 16 | SSW 16 | WSW 16 | SW 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2512 | 2731 | 2511 | 4437 | 4777 | 4664 | 4447 | 4612 | 6693 | 9825 | 7434 | 5868 | 5328 | 4392 | 3796 | 2053 | 1977 | 3460 | 3116 | 6901 | 3513 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross |
High Tide | 6:19AM1.89m | 6:41PM1.80m | 7:16AM1.80m | 7:41PM1.72m | 8:22AM1.76m | 8:48PM1.69m | |||||||||||||||
Low Tide | 12:38PM0.64m | 1:03AM0.63m | 1:39PM0.72m | 2:04AM0.68m | 2:41PM0.75m | ||||||||||||||||
 | | |  |  | | |  |  | | | | | | | | | | | | | |
 | 6:43 | — | — | — | — | — | — | 6:41 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — |
 | — | — | — | 6:32 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:36 | — |
mm | — | — | — | 1 | — | — | — | 1 | 3 | 2 | 1 | — | — | — | — | 2 | 2 | 2 | 1 | 4 | 1 |
Temp °C | 7 | 8 | 9 | 9 | 9 | 7 | 7 | 9 | 9 | 9 | 10 | 10 | 8 | 9 | 11 | 10 | 10 | 11 | 11 | 6 | 6 |
Feels °C | 1 | 0 | 0 | 2 | 2 | -1 | -1 | 1 | 1 | 2 | 3 | 5 | 4 | 4 | 4 | 4 | 3 | 3 | 2 | -4 | -5 |
Swell 1 Height (m) Direction Period (s) | SW 17 | SSW 17 | SSW 16 | ESE 11 | SW 16 | SSW 16 | SSW 16 | SSW 15 | ESE 13 | SW 15 | SW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SW 14 | SSW 16 | SSW 16 | ESE 11 | SW 15 |
| kJ | 2512 | 2731 | 2511 | 42 | 4777 | 4664 | 4447 | 4612 | 93 | 8082 | 7434 | 5868 | 5328 | 4392 | 3796 | 2053 | 1977 | 3460 | 3116 | 49 | 3513 |
Swell 2 Height (m) Direction Period (s) | ESE 12 | ESE 12 | ESE 11 | ESE 11 | ESE 10 | ESE 10 | ESE 13 | ESE 13 | — | ESE 12 | ESE 12 | ESE 12 | ESE 13 | ESE 13 | ESE 12 | SSW 18 | SSW 17 | ESE 12 | ESE 12 | — | ESE 11 |
| kJ | 31 | 29 | 25 | 42 | 37 | 42 | 64 | 98 | — | 87 | 98 | 96 | 106 | 111 | 101 | 1687 | 1244 | 81 | 54 | — | 48 |
Swell 3 Height (m) Direction Period (s) | ESE 12 | — | — | — | — | ESE 10 | — | — | — | — | — | — | — | — | — | ESE 12 | ESE 12 | NE 6 | — | — | — |
| kJ | 30 | — | — | — | — | 20 | — | — | — | — | — | — | — | — | — | 98 | 82 | 9 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | W 4 | W 5 | SW 16 | NW 5 | WNW 6 | WNW 6 | W 6 | SW 15 | SW 15 | — | W 5 | — | NW 4 | NW 4 | WNW 5 | WNW 6 | WNW 6 | WNW 6 | WSW 16 | WSW 8 |
| kJ | — | 45 | 160 | 4437 | 36 | 180 | 188 | 244 | 6693 | 9825 | — | 46 | — | 12 | 24 | 105 | 160 | 168 | 300 | 6901 | 1044 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 34 | 34 | 34 | 34 | 34 | 55 | 55 | 109 | 109 | 109 | 34 | 34 | 0 | 55 | 112 | 45 | 55 | 55 | 109 | 120 | 301 |
Best forecast wave conditions in Catlins | |||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||
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