Surf Forecasts:
How big are the waves at Port Robinson today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 10ft (3.0m), 10s period with SSW swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 8ft (2.5m), 15s period with SSE swell.
- Evening surf: Evening surf (20 Sep, local time) - 7ft (2.2m), 16s period with SSE swell.
The current surf forecast for Port Robinson at 5AM is: 1.8m 7s primary swell from a South direction and 0.4m 11s secondary swell from a East-southeast direction, 0.3m 16s secondary swell from a South-southeast direction (forecast issued at 11:00pm September 19). The wind direction is predicted to be offshore and the swell rating is 2.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 10ft (3.0m) | 10s |
| Afternoon (20 Sep) | 8ft (2.5m) | 15s |
| Evening (20 Sep) | 7ft (2.2m) | 16s |
Table - waves today at Port Robinson. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 12mm), heaviest on Mon night. Very mild (max 15°C on Mon afternoon, min 5°C on Tue morning). Winds decreasing (strong winds from the S on Sat night, calm by Sun night). | |||||||||||||||||
Sunday 20 | Monday 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) | ESE 11 | ESE 11 | SSW 11 | S 7 | SSW 10 | S 11 | SSE 15 | S 15 | SSE 16 | SSE 11 | SSE 10 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 12 | SSE 9 |
Wave Graph  | |||||||||||||||||
 kJ | 82 | 71 | 101 | 289 | 1601 | 1048 | 2955 | 5959 | 2338 | 691 | 425 | 274 | 213 | 169 | 116 | 260 | 116 |
Wind (km/h) | |||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | glassy | cross-on | cross-on | cross-on | cross-off | on | cross-on | cross-on | cross-off |
High Tide | 11:18PM1.42m | 11:44AM1.52m | 00:05AM1.41m | 12:31PM1.53m | |||||||||||||
Low Tide | 5:22AM0.37m | 5:57PM0.39m | 6:08AM0.37m | 6:43PM0.39m | |||||||||||||
 | |  |  |  | | | | | | | | | | | | | |
 | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — |
 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:21 | — |
mm | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 13 | 8 | 7 | 9 | 11 | 11 | 10 | 8 | 7 | 7 | 7 | 9 | 13 | 15 | 14 | 13 |
Feels °C | 10 | 8 | -1 | 2 | 2 | 3 | 3 | 6 | 6 | 4 | 2 | 3 | 6 | 10 | 12 | 12 | 8 |
Swell 1 Height (m) Direction Period (s) | ESE 11 | ESE 11 | ESE 11 | ESE 11 | S 9 | ESE 11 | ESE 11 | SSE 16 | SSE 16 | SSE 11 | SSE 10 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 12 | SSE 9 |
| kJ | 82 | 71 | 70 | 48 | 567 | 47 | 23 | 3246 | 2338 | 691 | 425 | 274 | 213 | 169 | 116 | 260 | 116 |
Swell 2 Height (m) Direction Period (s) | SSE 14 | S 11 | SSE 16 | SSE 16 | ESE 11 | NE 11 | — | ESE 11 | ESE 11 | SSE 16 | SSE 16 | SSE 16 | SSE 16 | SSE 15 | SSE 13 | NE 6 | NE 7 |
| kJ | 68 | 66 | 84 | 50 | 47 | 5 | — | 11 | 11 | 469 | 295 | 226 | 142 | 89 | 109 | 10 | 11 |
Swell 3 Height (m) Direction Period (s) | S 9 | SSE 16 | ENE 6 | NE 11 | SSE 16 | — | — | NE 11 | E 11 | ESE 11 | ESE 11 | ESE 10 | ENE 4 | ENE 4 | NE 4 | ENE 10 | ESE 10 |
| kJ | 24 | 50 | 4 | 5 | 85 | — | — | 5 | 2 | 11 | 23 | 10 | 3 | 3 | 4 | 9 | 10 |
Wind waves Height (m) Direction Period (s) | NW 3 | WSW 2 | SSW 11 | S 7 | SSW 10 | S 11 | SSE 15 | S 15 | — | — | NE 11 | NE 3 | NE 4 | NE 4 | — | — | WNW 2 |
| kJ | 6 | 2 | 101 | 289 | 1601 | 1048 | 2955 | 5959 | — | — | 5 | 7 | 12 | 5 | — | — | 1 |
Nearest Offshore or Glassy | |||||||||||||||||
Distance (km) | 44 | 55 | 73 | 0 | 55 | 357 | 629 | 27 | 0 | 28 | 28 | 28 | 0 | 27 | 27 | 27 | 44 |
Best forecast wave conditions in Canterbury | |||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||
Header Global | |||||||||||||||||
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Live Wind Speed (km/h)
Surf Rating (10 Max)
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