Surf Forecasts:
How big are the waves at Porpoise Bay today (23 Aug):
- Afternoon surf: Afternoon surf (23 Aug, local time) - 15ft (4.5m), 9s period with SW swell.
- Evening surf: Evening surf (23 Aug, local time) - 16ft (5.0m), 14s period with SW swell.
The current surf forecast for Porpoise Bay at 10PM is: 4.5m 15s primary swell from a Southwest direction and 0.3m 13s secondary swell from a East direction (forecast issued at 05:00pm August 23). An open ocean swell of 0.3m 10s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Aug) | - | - |
| Afternoon (23 Aug) | 15ft (4.5m) | 9s |
| Evening (23 Aug) | 16ft (5.0m) | 14s |
Table - waves today at Porpoise Bay. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 13mm), heaviest on Tue morning. Very mild (max 13°C on Mon afternoon, min 7°C on Sun afternoon). Winds decreasing (near gales from the W on Sun afternoon, light winds from the WSW by Wed morning). | |||||||||||||||||||
Sun 23 | Monday 24 | Tuesday 25 | |||||||||||||||||
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 9 | SW 14 | SW 14 | SW 15 | SSW 15 | SSW 15 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SW 15 | SW 15 | SW 14 | SW 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 3205 | 10248 | 9564 | 7828 | 5186 | 4346 | 5893 | 4552 | 4299 | 4244 | 4028 | 3316 | 3072 | 3700 | 4372 | 5964 | 7038 | 5090 | 4074 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross |
High Tide | 11:21PM1.81m | 11:50AM1.91m | 00:05AM1.88m | 12:31PM1.98m | |||||||||||||||
Low Tide | 5:05PM0.65m | 5:23AM0.55m | 5:50PM0.58m | 6:07AM0.46m | 6:32PM0.49m | ||||||||||||||
 | |  |  | | |  |  | | |  |  | |  |  | | |  | | |
 | — | — | — | — | — | 7:28 | — | — | — | — | — | — | — | 7:28 | — | — | — | — | — |
 | — | 6:01 | — | — | — | — | — | — | — | 6:02 | — | — | — | — | — | — | — | 6:04 | — |
mm | 2 | 2 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | 4 | 1 | — | — | — |
Temp °C | 7 | 7 | 7 | 9 | 8 | 9 | 11 | 12 | 13 | 13 | 13 | 13 | 12 | 12 | 11 | 10 | 10 | 9 | 9 |
Feels °C | -5 | -4 | -3 | 0 | 0 | 0 | 1 | 2 | 4 | 5 | 5 | 4 | 2 | 3 | 4 | 3 | 3 | 1 | 1 |
Swell 1 Height (m) Direction Period (s) | ESE 14 | E 13 | E 13 | E 13 | SSW 15 | SSW 15 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SW 15 | SW 15 | ESE 14 | ESE 13 |
| kJ | 36 | 32 | 32 | 32 | 5186 | 4346 | 5893 | 4552 | 4299 | 4244 | 4028 | 3316 | 3072 | 3700 | 4372 | 5964 | 5488 | 18 | 17 |
Swell 2 Height (m) Direction Period (s) | ENE 9 | ENE 9 | NE 9 | ENE 10 | ESE 14 | SSW 18 | ESE 13 | ESE 13 | ESE 14 | ESE 14 | ESE 14 | ESE 14 | ESE 14 | ESE 14 | ESE 14 | ESE 14 | ESE 14 | — | — |
| kJ | 8 | 8 | 14 | 10 | 36 | 851 | 35 | 18 | 39 | 40 | 40 | 40 | 20 | 20 | 19 | 19 | 18 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | NE 10 | ESE 14 | ESE 13 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 16 | 36 | 35 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 9 | SW 14 | SW 14 | SW 15 | W 6 | W 6 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 5 | WNW 5 | W 6 | W 6 | WSW 6 | WNW 5 | SW 15 | SW 14 | SW 14 |
| kJ | 3205 | 10248 | 9564 | 7828 | 183 | 236 | 217 | 255 | 240 | 143 | 90 | 174 | 368 | 412 | 229 | 51 | 7038 | 5090 | 4074 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 1001 | 674 | 457 | 302 | 196 | 112 | 112 | 112 | 55 | 55 | 109 | 112 | 115 | 112 | 109 | 109 | 34 | 63 | 109 |
Best forecast wave conditions in Catlins | |||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||
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