Surf Forecasts:
How big are the waves at Port Robinson today (20 Aug):
- Afternoon surf: Afternoon surf (20 Aug, local time) - 3.5ft (1.0m), 8s period with SSE swell.
- Evening surf: Evening surf (20 Aug, local time) - 2ft (0.6m), 16s period with SSE swell.
The current surf forecast for Port Robinson at 9PM is: 0.6m 16s primary swell from a South-southeast direction and 0.9m 8s secondary swell from a South-southeast direction (forecast issued at 05:00pm August 20). The wind direction is predicted to be onshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | - | - |
| Afternoon (20 Aug) | 3.5ft (1.0m) | 8s |
| Evening (20 Aug) | 2ft (0.6m) | 16s |
Table - waves today at Port Robinson. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Sat night. Very mild (max 15°C on Sat afternoon, min 6°C on Thu night). Winds increasing (light winds from the NE on Thu night, near gales from the NW by Sat night). | |||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | |||||||||||||||||
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) | SSE 8 | SSE 16 | SSE 16 | SSE 16 | SSE 16 | SSE 16 | SSE 14 | SSE 13 | SSE 12 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 |
Wave Graph  | |||||||||||||||||||
 kJ | 127 | 181 | 179 | 175 | 169 | 215 | 346 | 238 | 145 | 130 | 126 | 123 | 119 | 88 | 86 | 82 | 78 | 56 | 56 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | cross-on | cross | cross | cross-on | cross-on | on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross |
High Tide | 11:02PM1.47m | 11:32AM1.54m | 11:53PM1.45m | 12:21PM1.54m | |||||||||||||||
Low Tide | 4:54PM0.34m | 5:12AM0.32m | 5:45PM0.37m | 5:59AM0.35m | 6:33PM0.39m | ||||||||||||||
 |  |  | | | | | | | | | | | |  | |  | |  | |
 | — | — | — | — | — | 7:11 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — |
 | 5:46 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:49 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 10 | 8 | 8 | 7 | 7 | 6 | 7 | 9 | 10 | 10 | 10 | 8 | 7 | 8 | 10 | 14 | 15 | 14 | 13 |
Feels °C | 6 | 5 | 6 | 4 | 4 | 3 | 4 | 5 | 5 | 6 | 7 | 5 | 3 | 3 | 4 | 7 | 9 | 8 | 8 |
Swell 1 Height (m) Direction Period (s) | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 9 | SSE 9 | SSE 14 | SSE 13 | SSE 12 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 |
| kJ | 127 | 133 | 113 | 101 | 99 | 82 | 346 | 238 | 145 | 130 | 126 | 123 | 119 | 88 | 86 | 82 | 78 | 56 | 56 |
Swell 2 Height (m) Direction Period (s) | E 8 | SSE 16 | SSE 16 | SSE 16 | SSE 16 | SSE 16 | ESE 9 | E 9 | E 9 | ESE 10 | ENE 5 | ENE 5 | NE 5 | NE 5 | ENE 5 | ENE 4 | ENE 4 | E 14 | E 14 |
| kJ | 36 | 181 | 179 | 175 | 169 | 215 | 15 | 14 | 14 | 20 | 12 | 9 | 6 | 6 | 2 | 2 | 2 | 4 | 16 |
Swell 3 Height (m) Direction Period (s) | SSE 17 | ESE 8 | E 9 | ESE 9 | ESE 9 | ESE 9 | ESE 13 | ESE 13 | ESE 11 | S 15 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 10 | E 9 | E 9 | E 9 | S 19 |
| kJ | 108 | 11 | 13 | 26 | 26 | 15 | 16 | 16 | 13 | 4 | 20 | 18 | 8 | 8 | 9 | 7 | 2 | 2 | 7 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | ENE 3 | ENE 4 | NE 5 | NW 3 | — | NW 2 | — | N 3 | N 3 | NNE 3 | NNE 4 |
| kJ | — | — | — | — | — | — | — | — | 4 | 12 | 32 | 2 | — | 1 | — | 2 | 4 | 8 | 18 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 0 | 89 | 28 | 28 | 28 | 27 | 27 | 27 | 28 | 101 | 77 | 1 | 0 | 0 | 27 | 1 | 44 | 27 |
Best forecast wave conditions in Canterbury | |||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||
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