Surf Forecasts:
How big are the waves at Port Robinson today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 3ft (0.9m), 14s period with SSE swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 2.5ft (0.7m), 12s period with SSE swell.
- Evening surf: Evening surf (21 Aug, local time) - 2.5ft (0.7m), 11s period with SSE swell.
The current surf forecast for Port Robinson at 10AM is: 0.9m 14s primary swell from a South-southeast direction and 0.3m 9s secondary swell from a East-southeast direction (forecast issued at 05:00am August 21). The wind direction is predicted to be cross-onshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 3ft (0.9m) | 14s |
| Afternoon (21 Aug) | 2.5ft (0.7m) | 12s |
| Evening (21 Aug) | 2.5ft (0.7m) | 11s |
Table - waves today at Port Robinson. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Sat night. Very mild (max 16°C on Sat afternoon, min 7°C on Fri morning). Winds decreasing (near gales from the WNW on Sun morning, light winds from the WNW by Sun night). | |||||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | |||||||||||||||||||||
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) | SSE 16 | SSE 16 | SSE 14 | SSE 13 | SSE 12 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | NNW 4 | NE 8 | ESE 13 | ESE 13 | ESE 14 | ESE 14 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 169 | 215 | 346 | 238 | 145 | 130 | 126 | 123 | 119 | 88 | 88 | 82 | 78 | 56 | 56 | 38 | 31 | 32 | 45 | 35 | 35 | 36 | 36 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross-on | on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 11:32AM1.54m | 11:53PM1.45m | 12:21PM1.54m | 00:41AM1.43m | 1:08PM1.54m | ||||||||||||||||||
Low Tide | 5:12AM0.32m | 5:45PM0.37m | 5:59AM0.35m | 6:33PM0.39m | 6:45AM0.36m | 7:20PM0.39m | |||||||||||||||||
 | |  | | | | | | | | |  |  |  |  | | |  | | | | | | |
 | — | 7:11 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — |
 | — | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:49 | — | — | — | — | — | — | — | 5:50 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — |
Temp °C | 7 | 6 | 7 | 9 | 10 | 10 | 9 | 8 | 7 | 7 | 11 | 15 | 16 | 15 | 13 | 14 | 15 | 12 | 12 | 12 | 11 | 10 | 10 |
Feels °C | 4 | 3 | 4 | 5 | 5 | 6 | 7 | 5 | 3 | 2 | 5 | 9 | 9 | 9 | 7 | 8 | 4 | 4 | -1 | 0 | 1 | 0 | 2 |
Swell 1 Height (m) Direction Period (s) | SSE 9 | SSE 9 | SSE 14 | SSE 13 | SSE 12 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | NE 5 | NE 8 | NE 8 | NE 7 | NE 6 | ESE 14 | ESE 14 |
| kJ | 99 | 82 | 346 | 238 | 145 | 130 | 126 | 123 | 119 | 88 | 88 | 82 | 78 | 56 | 56 | 38 | 13 | 23 | 45 | 16 | 6 | 36 | 36 |
Swell 2 Height (m) Direction Period (s) | SSE 16 | SSE 16 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ENE 5 | ENE 5 | ENE 5 | NE 5 | ENE 5 | ENE 4 | ENE 4 | E 14 | E 14 | E 14 | SSE 10 | SSE 9 | SSE 9 | ESE 13 | ESE 13 | NE 6 | S 9 |
| kJ | 169 | 215 | 15 | 15 | 16 | 20 | 15 | 17 | 11 | 6 | 2 | 2 | 2 | 4 | 16 | 15 | 31 | 17 | 8 | 35 | 35 | 1 | 6 |
Swell 3 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 13 | ESE 12 | ESE 11 | S 15 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | E 10 | E 9 | E 9 | NE 8 | E 9 | S 19 | NE 8 | ESE 13 | E 13 | SSE 9 | SSE 9 | SE 9 | NE 6 |
| kJ | 26 | 15 | 16 | 15 | 13 | 4 | 20 | 9 | 8 | 8 | 7 | 7 | 2 | 3 | 2 | 7 | 16 | 17 | 14 | 8 | 8 | 3 | 2 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | NE 3 | ENE 4 | NE 5 | NW 3 | — | NW 2 | NW 2 | — | — | NNE 3 | NNE 4 | NNE 4 | NNW 4 | NNW 4 | NW 3 | W 4 | W 4 | W 4 | WNW 4 |
| kJ | — | — | — | — | 5 | 12 | 35 | 1 | — | 1 | 1 | — | — | 3 | 11 | 19 | 14 | 32 | 3 | 23 | 35 | 27 | 27 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 1 | 27 | 27 | 28 | 101 | 77 | 1 | 0 | 0 | 44 | 1 | 44 | 44 | 44 | 54 | 44 | 73 | 73 | 77 | 73 | 124 | 73 | 73 |
Best forecast wave conditions in Canterbury | |||||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||||
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