Surf Forecasts:
How big are the waves at Porpoise Bay today (13 Aug):
- Morning surf: Morning surf (13 Aug, local time) - 4.5ft (1.4m), 17s period with SSW swell.
- Afternoon surf: Afternoon surf (13 Aug, local time) - 5ft (1.5m), 16s period with SSW swell.
- Evening surf: Evening surf (13 Aug, local time) - 4.5ft (1.4m), 15s period with SSW swell.
The current surf forecast for Porpoise Bay at 8AM is: 1.4m 17s primary swell from a South-southwest direction and 1.2m 9s secondary swell from a East direction (forecast issued at 05:00am August 13). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Aug) | 4.5ft (1.4m) | 17s |
| Afternoon (13 Aug) | 5ft (1.5m) | 16s |
| Evening (13 Aug) | 4.5ft (1.4m) | 15s |
Table - waves today at Porpoise Bay. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 15mm), heaviest on Fri night. Very mild (max 12°C on Thu afternoon, min 3°C on Sat night). Wind will be generally light. | |||||||||||||||||||||||
Thursday 13 | Friday 14 | Saturday 15 | |||||||||||||||||||||
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 | 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 16 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SW 16 | SW 16 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 770 | 1069 | 1162 | 1108 | 1094 | 1081 | 851 | 840 | 760 | 729 | 620 | 1050 | 2998 | 4323 | 4171 | 3319 | 3714 | 4970 | 5861 | 5953 | 5076 | 4736 | 4414 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | cross-off | glassy | cross-off | glassy | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross | cross-off | cross-off | on | on | on | on | on | cross-on | on |
High Tide | 2:03AM2.38m | 2:34PM2.43m | 2:51AM2.40m | 3:20PM2.40m | 3:39AM2.37m | 4:06PM2.33m | |||||||||||||||||
Low Tide | 8:14AM-0.07m | 8:41PM0.06m | 9:04AM-0.06m | 9:28PM0.07m | 9:52AM0.00m | ||||||||||||||||||
 | |  |  |  |  |  | | |  | | | | | | |  | |  | | | | | |
 | — | 7:48 | — | — | — | — | — | — | — | 7:46 | — | — | — | — | — | — | — | 7:45 | — | — | — | — | — |
 | — | — | — | — | 5:49 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:52 | — | — |
mm | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | 2 | 5 | 2 | 1 | 1 | — | 1 |
Temp °C | 9 | 8 | 9 | 11 | 12 | 11 | 9 | 9 | 8 | 8 | 9 | 11 | 12 | 10 | 9 | 8 | 7 | 6 | 5 | 6 | 7 | 6 | 6 |
Feels °C | 6 | 4 | 6 | 9 | 11 | 9 | 7 | 6 | 5 | 5 | 7 | 9 | 10 | 7 | 5 | 4 | 2 | 0 | 0 | 1 | 2 | 1 | 2 |
Swell 1 Height (m) Direction Period (s) | E 9 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SW 16 | SW 16 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 |
| kJ | 325 | 1069 | 1162 | 1108 | 1094 | 1081 | 851 | 840 | 760 | 729 | 620 | 1050 | 2998 | 4323 | 4171 | 3319 | 3714 | 4970 | 5861 | 5953 | 5076 | 4736 | 4414 |
Swell 2 Height (m) Direction Period (s) | SSW 16 | E 9 | E 9 | E 9 | E 9 | ENE 10 | E 8 | E 8 | E 8 | E 8 | E 8 | SW 14 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 |
| kJ | 770 | 275 | 225 | 194 | 194 | 98 | 88 | 86 | 86 | 108 | 82 | 506 | 72 | 54 | 54 | 61 | 63 | 45 | 43 | 41 | 29 | 19 | 19 |
Swell 3 Height (m) Direction Period (s) | SSW 20 | ESE 14 | ESE 14 | ESE 14 | ESE 14 | E 9 | ENE 9 | ENE 9 | ENE 8 | SSW 20 | SSW 19 | E 8 | ESE 13 | ESE 12 | ESE 12 | ESE 14 | ESE 14 | ESE 14 | ESE 14 | — | ESE 13 | ESE 13 | ESE 13 |
| kJ | 128 | 20 | 20 | 19 | 18 | 74 | 50 | 48 | 40 | 75 | 460 | 74 | 16 | 15 | 15 | 20 | 20 | 20 | 19 | — | 17 | 17 | 17 |
Wind waves Height (m) Direction Period (s) | N 3 | NW 3 | NW 3 | — | — | — | — | — | — | — | — | — | — | — | W 4 | W 4 | — | — | — | — | — | — | — |
| kJ | 5 | 4 | 3 | — | — | — | — | — | — | — | — | — | — | — | 14 | 40 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 34 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 34 | 0 | 34 | 45 | 120 | 159 | 64 | 34 | 34 | 34 |
Best forecast wave conditions in Catlins | |||||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||||
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