Surf Forecasts:
How big are the waves at Ruby Bay today (31 Jul):
- Afternoon surf: Afternoon surf (31 Jul, local time) - 2.5ft (0.8m), 7s period with N swell.
The current surf forecast for Ruby Bay at 4AM is: 1.2m 7s primary swell from a North direction (forecast issued at 11:00pm July 30). An open ocean swell of 0.1m 18s is not directed at the surf break, a second open ocean swell of 1.8m 8s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Jul) | - | - |
| Afternoon (31 Jul) | 2.5ft (0.8m) | 7s |
| Evening (31 Jul) | - | - |
Table - waves today at Ruby Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 6mm), mostly falling on Thu night. Very mild (max 11°C on Thu night, min 2°C on Sat night). Wind will be generally light. | |||||||||||||||||
Friday 31 | Saturday 1 | ||||||||||||||||
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 | N 7 | N 7 | N 7 | NW 8 | NW 8 | N 7 | NNW 7 | NW 8 | NNW 14 | NW 13 | NW 14 | NNW 7 | NNW 7 | NNW 7 | N 7 | N 12 |
Wave Graph  | |||||||||||||||||
 kJ | 233 | 181 | 155 | 156 | 0 | 0 | 70 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 3 |
Wind (km/h) | |||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | glassy | glassy | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | glassy | glassy | glassy |
High Tide | 10:53PM4.00m | 11:11AM3.81m | 11:26PM4.08m | 11:48AM3.84m | |||||||||||||
Low Tide | 4:37AM1.06m | 5:07PM0.85m | 5:11AM0.95m | 5:38PM0.78m | |||||||||||||
 |  |  | |  | | |  | | | | |  | | | | | |
 | — | — | — | 7:35 | — | — | — | — | — | — | — | 7:35 | — | — | — | — | — |
 | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:31 | — | — |
mm | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 11 | 10 | 9 | 9 | 10 | 10 | 10 | 8 | 6 | 5 | 5 | 3 | 4 | 9 | 11 | 7 | 4 |
Feels °C | 10 | 9 | 8 | 7 | 7 | 6 | 5 | 4 | 3 | 2 | 2 | -1 | 0 | 5 | 8 | 4 | 1 |
Swell 1 Height (m) Direction Period (s) | — | N 7 | N 7 | N 7 | N 8 | NNW 8 | N 7 | NNW 7 | NNW 8 | NNW 8 | N 7 | N 7 | NNW 7 | NNW 7 | NNW 7 | NW 12 | NNW 7 |
| kJ | — | 181 | 155 | 156 | 145 | 133 | 70 | 73 | 66 | 44 | 28 | 27 | 17 | 16 | 10 | 5 | 5 |
Swell 2 Height (m) Direction Period (s) | — | N 19 | NW 18 | NW 18 | NW 17 | NW 16 | NNW 9 | NW 9 | NNW 14 | NNW 14 | NW 13 | NW 14 | NNW 14 | NNW 13 | NW 13 | — | — |
| kJ | — | 7 | 13 | 12 | 12 | 10 | 31 | 20 | 80 | 75 | 46 | 49 | 19 | 17 | 7 | — | — |
Swell 3 Height (m) Direction Period (s) | — | N 15 | — | — | — | — | NW 16 | NNW 12 | — | — | — | — | — | — | — | N 15 | N 12 |
| kJ | — | 5 | — | — | — | — | 10 | 28 | — | — | — | — | — | — | — | 4 | 3 |
Wind waves Height (m) Direction Period (s) | N 7 | NNW 7 | NNW 8 | NNW 7 | NW 8 | NW 8 | W 3 | W 3 | NW 8 | — | SSW 2 | SSW 2 | SSW 3 | SSW 3 | — | N 7 | NNW 3 |
| kJ | 233 | 417 | 353 | 362 | 330 | 363 | 5 | 5 | 245 | — | 1 | 1 | 1 | 1 | — | 15 | 1 |
Nearest Offshore or Glassy | |||||||||||||||||
Distance (km) | 0 | 7 | 7 | 7 | 14 | 125 | 125 | 125 | 14 | 14 | 38 | 32 | 38 | 38 | 85 | 83 | 83 |
Best forecast wave conditions in Nelson - Tasman Bay | |||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||
Header Global | |||||||||||||||||
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