Surf Forecasts:
How big are the waves at Port Robinson today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 3.5ft (1.1m), 8s period with SSE swell.
- 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 7AM is: 1.2m 8s primary swell from a South-southeast direction and 0.5m 9s secondary swell from a East direction (forecast issued at 11:00pm August 19). The wind direction is predicted to be offshore and the swell rating is 2.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 3.5ft (1.1m) | 8s |
| 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 ForecastMostly dry. Very mild (max 15°C on Sat morning, min 7°C on Thu night). Winds increasing (calm on Thu morning, fresh winds from the NW by Sat afternoon). | |||||||||||||||||
Thursday 20 | Friday 21 | ||||||||||||||||
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) | SE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 16 | SSE 16 | SSE 16 | SSE 16 | SSE 16 | SSE 14 | SSE 13 | SSE 12 | SSE 11 | SSE 11 |
Wave Graph  | |||||||||||||||||
 kJ | 288 | 261 | 204 | 165 | 151 | 130 | 127 | 181 | 179 | 175 | 169 | 215 | 351 | 231 | 142 | 128 | 123 |
Wind (km/h) | |||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | off | off | glassy | cross-on | on | cross-on | cross-on | cross | cross | cross-on | cross-on | on | cross-on | cross |
High Tide | 10:10PM1.52m | 10:40AM1.56m | 11:02PM1.47m | 11:32AM1.54m | |||||||||||||
Low Tide | 4:23AM0.27m | 4:54PM0.34m | 5:12AM0.32m | 5:45PM0.37m | |||||||||||||
 |  | | |  | |  |  | | | | |  | | | | | |
 | — | — | — | 7:13 | — | — | — | — | — | — | — | 7:11 | — | — | — | — | — |
 | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:47 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 10 | 8 | 8 | 8 | 9 | 9 | 9 | 8 | 8 | 7 | 7 | 7 | 7 | 9 | 10 | 10 | 10 |
Feels °C | 7 | 4 | 5 | 5 | 6 | 7 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 5 | 6 | 6 | 7 |
Swell 1 Height (m) Direction Period (s) | SE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 9 | SSE 10 | SSE 14 | SSE 13 | SSE 12 | SSE 11 | SSE 11 |
| kJ | 288 | 261 | 204 | 165 | 151 | 130 | 127 | 123 | 105 | 110 | 106 | 96 | 351 | 231 | 142 | 128 | 123 |
Swell 2 Height (m) Direction Period (s) | SSE 14 | SSE 14 | ESE 9 | E 9 | ESE 9 | E 9 | SSE 17 | SSE 16 | SSE 16 | SSE 16 | SSE 16 | SSE 16 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ENE 4 |
| kJ | 107 | 40 | 28 | 42 | 61 | 39 | 108 | 181 | 179 | 175 | 169 | 215 | 16 | 15 | 16 | 20 | 7 |
Swell 3 Height (m) Direction Period (s) | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 11 | SE 17 | ESE 8 | ESE 8 | E 9 | ESE 9 | ESE 9 | ESE 9 | — | SE 16 | ESE 11 | SE 16 | ESE 10 |
| kJ | 15 | 29 | 28 | 27 | 13 | 70 | 13 | 11 | 13 | 26 | 26 | 16 | — | 40 | 13 | 10 | 20 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | NNE 3 | — | NE 3 | NE 3 | NE 4 | NE 4 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 2 | 2 | 7 | 14 |
Nearest Offshore or Glassy | |||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 89 | 28 | 28 | 28 | 27 | 27 | 27 | 28 | 46 | 77 | 1 |
Best forecast wave conditions in Canterbury | |||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||
Header Global | |||||||||||||||||
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Live Wave Height (m)
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