Surf Forecasts:
How big are the waves at Stewart Island - Saber Reef today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 7.5ft (2.3m), 13s period with SW swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 8ft (2.5m), 15s period with SW swell.
- Evening surf: Evening surf (20 Aug, local time) - 0.5ft (0.2m), 9s period with E swell.
The current surf forecast for Stewart Island - Saber Reef at 9AM is: 2.3m 13s primary swell from a Southwest direction and 1.4m 16s secondary swell from a Southwest direction (forecast issued at 05:00am August 20). The wind direction is predicted to be cross-shore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 7.5ft (2.3m) | 13s |
| Afternoon (20 Aug) | 8ft (2.5m) | 15s |
| Evening (20 Aug) | 0.5ft (0.2m) | 9s |
Table - waves today at Stewart Island - Saber Reef. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 26mm), heaviest during Sat night. Very mild (max 12°C on Fri afternoon, min 7°C on Sat night). Winds increasing (light winds from the W on Thu morning, gales from the W by Sat night). | |||||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | |||||||||||||||||||||
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) | SW 13 | SW 13 | SW 13 | SW 16 | SW 15 | E 9 | E 9 | E 9 | S 15 | S 9 | S 9 | S 10 | S 10 | S 10 | S 10 | SSE 10 | SSE 10 | SSE 10 | SSE 9 | S 9 | SSE 9 | WNW 10 | SW 7 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 2390 | 2549 | 1677 | 3439 | 3135 | 7 | 7 | 6 | 17 | 40 | 42 | 46 | 49 | 53 | 33 | 33 | 32 | 31 | 28 | 26 | 16 | 0 | 91 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross-on | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross |
High Tide | 6:33AM1.82m | 6:55PM1.78m | 7:39AM1.75m | 8:01PM1.73m | 8:49AM1.75m | ||||||||||||||||||
Low Tide | 00:18AM0.61m | 12:49PM0.73m | 1:22AM0.69m | 1:56PM0.80m | 2:28AM0.72m | 3:02PM0.80m | |||||||||||||||||
 | |  | | |  | | | | | | | | | | |  |  |  | | | | | |
 | — | 7:41 | — | — | — | — | — | — | — | 7:41 | — | — | — | — | — | — | — | 7:39 | — | — | — | — | — |
 | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:02 | — | — | — | — | — | — | — | 6:04 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 4 | 4 | 1 | 2 |
Temp °C | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 10 | 12 | 11 | 11 | 11 | 12 | 12 | 11 | 10 | 10 | 10 | 9 |
Feels °C | 3 | 4 | 5 | 4 | 3 | 4 | 4 | 4 | 2 | 1 | 2 | 3 | 2 | 2 | 5 | 3 | 2 | 2 | 2 | 2 | 4 | 5 | 3 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 13 | SW 16 | SW 15 | SW 14 | WSW 14 | WSW 14 | SW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | S 10 | W 11 | WNW 11 | SSE 10 | WSW 18 | WSW 17 | WSW 16 | WSW 16 | WSW 17 | WSW 15 |
| kJ | 2390 | 2549 | 1677 | 3439 | 3135 | 2883 | 2727 | 2483 | 1824 | 1388 | 895 | 622 | 290 | 53 | 2561 | 1978 | 32 | 184 | 243 | 376 | 463 | 423 | 411 |
Swell 2 Height (m) Direction Period (s) | S 10 | E 10 | SW 16 | E 10 | E 9 | E 9 | E 9 | E 9 | S 15 | S 9 | S 9 | S 10 | S 10 | E 10 | NW 10 | WSW 13 | WSW 18 | SSE 10 | SSE 9 | S 9 | SSE 9 | WSW 12 | SW 7 |
| kJ | 71 | 8 | 1001 | 7 | 7 | 7 | 7 | 6 | 17 | 40 | 42 | 46 | 49 | 8 | 420 | 431 | 109 | 31 | 28 | 26 | 16 | 189 | 91 |
Swell 3 Height (m) Direction Period (s) | E 10 | SE 12 | E 10 | SE 12 | SE 13 | SE 13 | SE 13 | SE 12 | E 9 | E 9 | E 9 | E 9 | E 11 | E 11 | S 10 | SSE 10 | SW 18 | S 10 | S 9 | S 19 | S 19 | WSW 14 | WSW 18 |
| kJ | 8 | 5 | 8 | 5 | 7 | 7 | 7 | 6 | 2 | 2 | 2 | 2 | 9 | 3 | 33 | 33 | 84 | 29 | 27 | 7 | 7 | 239 | 251 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | NW 5 | WNW 6 | WNW 7 | WNW 8 | WNW 9 | WNW 10 | NW 10 | N 4 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 |
| kJ | — | — | — | — | — | — | — | — | 73 | 262 | 503 | 745 | 1835 | 3226 | 2214 | 12 | 3604 | 3255 | 2576 | 2339 | 2160 | 1022 | 932 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 92 | 145 | 89 | 92 | 145 | 145 | 92 | 89 | 89 | 89 | 92 | 89 | 89 | 89 | 95 | 95 | 89 | 89 | 89 | 89 | 92 | 89 | 89 |
Best forecast wave conditions in Southland | |||||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||||
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