Surf Forecasts:
How big are the waves at Porpoise Bay today (20 Jul):
- Morning surf: Morning surf (20 Jul, local time) - 11ft (3.5m), 15s period with SSW swell.
- Afternoon surf: Afternoon surf (20 Jul, local time) - 10ft (3.0m), 15s period with SSW swell.
- Evening surf: Evening surf (20 Jul, local time) - 8ft (2.4m), 14s period with SSW swell.
The current surf forecast for Porpoise Bay at 5PM is: 3.0m 14s primary swell from a South-southwest direction and 0.4m 12s secondary swell from a East-southeast direction (forecast issued at 11:00am July 20). The wind direction is predicted to be cross-offshore and the swell rating is 5.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Jul) | 11ft (3.5m) | 15s |
| Afternoon (20 Jul) | 10ft (3.0m) | 15s |
| Evening (20 Jul) | 8ft (2.4m) | 14s |
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 12°C on Tue afternoon, min 5°C on Mon morning). Winds decreasing (fresh winds from the WNW on Tue afternoon, light winds from the NNE by Wed afternoon). | |||||||||||||||||||||
Mon 20 | Tuesday 21 | Wednesday 22 | |||||||||||||||||||
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 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | 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 |
Wave Graph  | |||||||||||||||||||||
 kJ | 4619 | 4096 | 3385 | 2791 | 2214 | 2049 | 1422 | 1120 | 880 | 771 | 746 | 706 | 706 | 1048 | 1048 | 1173 | 1144 | 976 | 828 | 734 | 604 |
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 | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | off | cross-off |
High Tide | 6:40AM2.08m | 7:08PM2.01m | 7:36AM1.96m | 8:04PM1.90m | 8:36AM1.87m | ||||||||||||||||
Low Tide | 12:58PM0.32m | 1:26AM0.39m | 1:54PM0.46m | 2:22AM0.48m | 2:51PM0.56m | ||||||||||||||||
 | | |  |  |  | | |  | | |  |  | | | | |  | | | | |
 | 8:18 | — | — | — | — | — | — | 8:18 | — | — | — | — | — | — | — | 8:17 | — | — | — | — | — |
 | — | — | 5:21 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 1 | 1 | 1 | — | — | — | — | — |
Temp °C | 5 | 7 | 8 | 7 | 7 | 7 | 7 | 7 | 8 | 11 | 12 | 11 | 10 | 10 | 9 | 9 | 8 | 8 | 9 | 8 | 7 |
Feels °C | 1 | 3 | 4 | 3 | 3 | 2 | 1 | 1 | 1 | 5 | 5 | 6 | 5 | 6 | 5 | 5 | 5 | 5 | 7 | 6 | 3 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | 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 |
| kJ | 4619 | 4096 | 3385 | 2791 | 2214 | 2049 | 1422 | 1120 | 880 | 771 | 746 | 706 | 706 | 1048 | 1048 | 1173 | 1144 | 976 | 828 | 734 | 604 |
Swell 2 Height (m) Direction Period (s) | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | SE 11 | SSE 12 | SSE 12 | SSE 11 |
| kJ | 83 | 83 | 83 | 56 | 56 | 56 | 55 | 55 | 27 | 26 | 25 | 25 | 13 | 13 | 12 | 12 | 12 | 5 | 14 | 13 | 13 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 12 | SE 12 | SE 11 | SE 11 | SE 11 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 6 | 5 | 5 | 5 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | WNW 3 | NW 4 | NW 4 | NW 4 | WNW 4 | WNW 5 | WNW 5 | W 5 | W 5 | — | WNW 4 | — | — | — | WNW 3 | WNW 3 | — |
| kJ | — | — | — | — | 6 | 24 | 12 | 15 | 31 | 72 | 75 | 129 | 78 | — | 13 | — | — | — | 4 | 2 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 34 | 0 | 0 | 34 | 34 | 0 | 34 | 34 | 45 | 45 | 45 | 34 | 34 | 34 | 34 | 34 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Catlins | |||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||
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