Surf Forecasts:
How big are the waves at Stewart Island - Saber Reef today (20 Jul):
- Morning surf: Morning surf (20 Jul, local time) - 13ft (4.0m), 15s period with SW swell.
- Afternoon surf: Afternoon surf (20 Jul, local time) - 11ft (3.5m), 14s period with SW swell.
- Evening surf: Evening surf (20 Jul, local time) - 10ft (3.0m), 14s period with SW swell.
The current surf forecast for Stewart Island - Saber Reef at 12AM is: 4.5m 15s primary swell from a Southwest direction and 0.5m 13s secondary swell from a East-southeast direction (forecast issued at 05:00pm July 19). The wind direction is predicted to be cross-onshore and the swell rating is 11.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Jul) | 13ft (4.0m) | 15s |
| Afternoon (20 Jul) | 11ft (3.5m) | 14s |
| Evening (20 Jul) | 10ft (3.0m) | 14s |
Table - waves today at Stewart Island - Saber Reef. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Tue afternoon. Very mild (max 12°C on Tue morning, min 8°C on Sun night). Winds increasing (light winds from the WNW on Mon morning, near gales from the NW by Mon night). | |||||||||||||||||||
Sun 19 | Monday 20 | Tuesday 21 | |||||||||||||||||
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) | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 17 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | ESE 12 | S 10 | ESE 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 8296 | 8296 | 8568 | 9004 | 8153 | 10739 | 7319 | 6382 | 5160 | 4067 | 3020 | 2241 | 1583 | 1167 | 913 | 1111 | 13 | 17 | 13 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-on |
High Tide | 5:23AM2.12m | 5:52PM2.04m | 6:17AM1.99m | 6:45PM1.93m | |||||||||||||||
Low Tide | 11:09PM0.31m | 11:36AM0.32m | 00:04AM0.43m | 12:32PM0.48m | |||||||||||||||
 |  | |  |  | |  | | | | | | | | |  | | | | |
 | — | — | — | — | — | 8:25 | — | — | — | — | — | — | — | 8:23 | — | — | — | — | — |
 | 5:22 | — | — | — | — | — | — | — | 5:23 | — | — | — | — | — | — | — | 5:24 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | — | — |
Temp °C | 9 | 9 | 9 | 10 | 9 | 8 | 8 | 9 | 9 | 9 | 10 | 9 | 11 | 11 | 12 | 12 | 11 | 11 | 10 |
Feels °C | 2 | 3 | 3 | 5 | 4 | 4 | 4 | 5 | 4 | 3 | 3 | 0 | 1 | 1 | 2 | 3 | 3 | 3 | 1 |
Swell 1 Height (m) Direction Period (s) | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 17 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | ESE 12 | S 10 | S 9 |
| kJ | 8296 | 8296 | 8568 | 9004 | 8153 | 10739 | 7319 | 6382 | 5160 | 4067 | 3020 | 2241 | 1583 | 1167 | 913 | 1111 | 13 | 17 | 7 |
Swell 2 Height (m) Direction Period (s) | ESE 13 | ESE 13 | ESE 13 | ESE 13 | SSW 19 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | S 11 | ESE 12 | — | ESE 12 | ESE 12 |
| kJ | 151 | 149 | 149 | 95 | 1274 | 86 | 85 | 57 | 57 | 57 | 57 | 28 | 28 | 28 | 55 | 27 | — | 13 | 13 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | ESE 13 | — | — | — | — | — | — | — | — | — | ESE 12 | — | — | — | — |
| kJ | — | — | — | — | 90 | — | — | — | — | — | — | — | — | — | 27 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | WNW 4 | — | WNW 5 | WNW 6 | WNW 7 | WNW 8 | WNW 8 | WNW 8 | WSW 10 | WSW 11 | WSW 11 |
| kJ | — | — | — | — | — | — | — | — | 11 | — | 61 | 320 | 758 | 1107 | 1293 | 1313 | 2458 | 2472 | 2816 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 145 | 145 | 92 | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 145 | 119 | 145 |
Best forecast wave conditions in Southland | |||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||
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