Surf Forecasts:
How big are the waves at Port Robinson today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 8ft (2.5m), 8s period with S swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 10ft (3.0m), 10s period with S swell.
- Evening surf: Evening surf (18 Aug, local time) - 10ft (3.0m), 11s period with SSE swell.
The current surf forecast for Port Robinson at 11AM is: 2.3m 9s primary swell from a South direction and 0.5m 10s secondary swell from a East direction, 0.4m 9s secondary swell from a Southeast direction (forecast issued at 05:00am August 18). The wind direction is predicted to be offshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 8ft (2.5m) | 8s |
| Afternoon (18 Aug) | 10ft (3.0m) | 10s |
| Evening (18 Aug) | 10ft (3.0m) | 11s |
Table - waves today at Port Robinson. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 11°C on Wed afternoon, min 7°C on Wed night). Winds decreasing (strong winds from the SW on Tue morning, calm by Thu morning). | |||||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | |||||||||||||||||||||
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) | E 10 | SSW 8 | S 8 | S 9 | S 10 | SSE 11 | SSE 11 | S 11 | S 11 | SSE 16 | SSE 15 | SSE 15 | SE 9 | SSE 9 | SE 8 | SE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 16 | SSE 16 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 128 | 438 | 899 | 859 | 1569 | 2130 | 1994 | 2964 | 1992 | 921 | 780 | 584 | 380 | 338 | 288 | 274 | 215 | 196 | 159 | 138 | 130 | 181 | 177 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | cross-off | cross | cross-off | off | glassy | glassy | glassy | on | on | cross-on |
High Tide | 8:53AM1.62m | 9:17PM1.58m | 9:47AM1.58m | 10:10PM1.52m | 10:40AM1.56m | ||||||||||||||||||
Low Tide | 2:43AM0.15m | 3:09PM0.22m | 3:33AM0.22m | 4:02PM0.28m | 4:23AM0.27m | 4:54PM0.34m | |||||||||||||||||
 |  |  |  |  | | |  | | | | | | | | | | | | | | | | |
 | — | 7:16 | — | — | — | — | — | — | — | 7:13 | — | — | — | — | — | — | — | 7:13 | — | — | — | — | — |
 | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:46 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 8 | 8 | 9 | 10 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 9 | 11 | 11 | 9 | 8 | 8 | 7 | 8 | 9 | 9 | 8 | 8 |
Feels °C | 1 | 1 | 2 | 0 | -1 | 0 | 0 | 2 | 3 | 4 | 4 | 5 | 8 | 9 | 6 | 6 | 6 | 5 | 6 | 7 | 5 | 4 | 5 |
Swell 1 Height (m) Direction Period (s) | S 6 | S 8 | S 8 | E 10 | E 10 | E 10 | E 10 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | SSE 9 | SE 9 | SSE 9 | SE 8 | SE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 |
| kJ | 52 | 186 | 392 | 48 | 53 | 34 | 19 | 1296 | 932 | 734 | 535 | 475 | 380 | 338 | 288 | 274 | 215 | 196 | 159 | 138 | 130 | 107 | 92 |
Swell 2 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | SE 9 | ESE 10 | ESE 8 | ESE 9 | SE 14 | SE 15 | SSE 16 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | ESE 12 | E 9 | E 9 | E 9 | SSE 17 | SSE 16 | SSE 16 |
| kJ | 128 | 96 | 69 | 21 | 9 | 7 | 8 | 731 | 930 | 921 | 780 | 584 | 330 | 178 | 107 | 40 | 28 | 15 | 41 | 39 | 111 | 181 | 177 |
Swell 3 Height (m) Direction Period (s) | SE 8 | ESE 7 | SE 9 | ESE 13 | — | — | ESE 10 | — | ESE 15 | E 11 | ESE 13 | SE 12 | SE 13 | SE 12 | ESE 12 | ESE 12 | E 9 | SE 11 | ESE 11 | SE 17 | ESE 8 | ESE 8 | SSE 10 |
| kJ | 32 | 10 | 13 | 17 | — | — | 9 | — | 23 | 21 | 31 | 37 | 7 | 39 | 29 | 29 | 15 | 33 | 12 | 70 | 23 | 22 | 36 |
Wind waves Height (m) Direction Period (s) | WSW 3 | SSW 8 | S 8 | S 9 | S 10 | SSE 11 | SSE 11 | S 11 | S 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | NE 3 |
| kJ | 4 | 438 | 899 | 859 | 1569 | 2130 | 1994 | 2964 | 1992 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 1 | 0 | 81 | 176 | 186 | 179 | 84 | 81 | 81 | 0 | 0 | 0 | 0 | 0 | 44 | 0 | 0 | 0 | 0 | 0 | 28 | 28 | 28 |
Best forecast wave conditions in Canterbury | |||||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||||
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