Surf Forecasts:
How big are the waves at Ruby Bay today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 1.5ft (0.5m), 8s period with N swell.
- Afternoon surf: Afternoon surf (18 Sep, local time) - 1.5ft (0.4m), 7s period with N swell.
- Evening surf: Evening surf (18 Sep, local time) - 1ft (0.3m), 7s period with N swell.
The current surf forecast for Ruby Bay at 5AM is: 0.7m 8s primary swell from a North direction (forecast issued at 11:00pm September 17). An open ocean swell of 0.2m 16s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 1.5ft (0.5m) | 8s |
| Afternoon (18 Sep) | 1.5ft (0.4m) | 7s |
| Evening (18 Sep) | 1ft (0.3m) | 7s |
Table - waves today at Ruby Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Sat night. Very mild (max 16°C on Fri afternoon, min 7°C on Thu night). Wind will be generally light. | |||||||||||||||||
Friday 18 | Saturday 19 | ||||||||||||||||
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) | N 7 | NNE 8 | N 8 | N 8 | N 8 | N 8 | N 7 | N 7 | N 7 | N 7 | N 7 | N 7 | N 7 | N 8 | NW 6 | NNW 5 | NNW 5 |
Wave Graph  | |||||||||||||||||
 kJ | 127 | 94 | 80 | 45 | 31 | 18 | 17 | 9 | 9 | 1 | 1 | 1 | 1 | 1 | 0 | 16 | 23 |
Wind (km/h) | |||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | glassy | off | glassy | glassy | glassy | glassy | glassy | off | off | off | off | off | cross-off | cross-off | cross-off |
High Tide | 1:56AM3.41m | 2:10PM3.48m | 2:45AM3.16m | 2:53PM3.23m | |||||||||||||
Low Tide | 7:12PM1.33m | 7:47AM1.37m | 7:57PM1.58m | 8:35AM1.59m | |||||||||||||
 | |  |  |  |  | | | | | | | | | | | | |
 | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — |
 | — | — | — | — | — | — | — | 6:19 | — | — | — | — | — | — | — | 6:20 | — |
mm | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 9 | 9 | 8 | 7 | 10 | 14 | 16 | 13 | 9 | 8 | 8 | 7 | 12 | 14 | 13 | 13 | 12 |
Feels °C | 7 | 7 | 7 | 5 | 8 | 13 | 15 | 12 | 7 | 5 | 5 | 4 | 10 | 11 | 12 | 11 | 10 |
Swell 1 Height (m) Direction Period (s) | N 7 | NNE 8 | N 8 | N 8 | N 8 | N 8 | N 7 | N 7 | N 7 | NNW 16 | NW 16 | NNW 15 | NNW 15 | NNW 5 | NW 4 | NNW 15 | NNW 17 |
| kJ | 127 | 94 | 80 | 45 | 31 | 18 | 17 | 9 | 9 | 24 | 9 | 23 | 23 | 3 | 10 | 23 | 29 |
Swell 2 Height (m) Direction Period (s) | NNW 17 | NNW 17 | NNW 16 | NNW 16 | NNW 16 | NNW 16 | NNW 16 | NNW 16 | NNW 16 | N 7 | N 7 | N 7 | N 7 | NNW 16 | NNW 16 | — | — |
| kJ | 28 | 28 | 26 | 25 | 25 | 25 | 24 | 24 | 24 | 1 | 1 | 1 | 1 | 24 | 24 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | N 8 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | ESE 2 | — | — | — | — | — | — | — | — | — | — | — | NW 5 | NW 6 | NNW 5 | NNW 5 |
| kJ | — | 1 | — | — | — | — | — | — | — | — | — | — | — | 7 | 38 | 16 | 23 |
Nearest Offshore or Glassy | |||||||||||||||||
Distance (km) | 14 | 14 | 14 | 14 | 14 | 21 | 83 | 83 | 83 | 38 | 38 | 83 | 83 | 83 | 14 | 116 | 14 |
Best forecast wave conditions in Nelson - Tasman Bay | |||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||
Header Global | |||||||||||||||||
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Live Wave Height (m)
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Ruby Bay surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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