Surf Forecasts:
How big are the waves at Stewart Island - Saber Reef today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 1.5ft (0.5m), 9s period with S swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 1.5ft (0.5m), 10s period with S swell.
- Evening surf: Evening surf (21 Aug, local time) - 1.5ft (0.4m), 10s period with S swell.
The current surf forecast for Stewart Island - Saber Reef at 10AM is: 0.5m 10s primary swell from a South direction (forecast issued at 05:00am August 21). An open ocean swell of 1.6m 14s is not directed at the surf break, a second open ocean swell of 2.1m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (NZST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 1.5ft (0.5m) | 9s |
| Afternoon (21 Aug) | 1.5ft (0.5m) | 10s |
| Evening (21 Aug) | 1.5ft (0.4m) | 10s |
Table - waves today at Stewart Island - Saber Reef. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 30mm), heaviest during Sat night. Very mild (max 13°C on Sat afternoon, min 6°C on Sun morning). Winds increasing (moderate winds from the NNW on Fri morning, severe gales from the WSW by Sun morning). | |||||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | |||||||||||||||||||||
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 14 | S 9 | S 9 | S 10 | S 10 | S 10 | S 10 | S 10 | SSE 10 | SSE 10 | S 9 | S 9 | SSE 9 | NW 10 | E 16 | E 15 | S 8 | ESE 14 | E 14 | E 14 | E 14 | E 14 | E 14 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 1688 | 40 | 42 | 48 | 44 | 54 | 33 | 31 | 32 | 31 | 27 | 26 | 16 | 0 | 5 | 17 | 6 | 21 | 34 | 33 | 33 | 34 | 33 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | 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-off | cross-off | cross-off | cross-off | cross | cross-off | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 7:39AM1.75m | 8:01PM1.73m | 8:49AM1.75m | 9:09PM1.74m | 9:52AM1.80m | ||||||||||||||||||
Low Tide | 1:22AM0.69m | 1:56PM0.80m | 2:28AM0.72m | 3:02PM0.80m | 3:29AM0.68m | 3:58PM0.74m | |||||||||||||||||
 |  |  |  | | |  | | | | | | |  |  | | | | | | | | | |
 | — | 7:41 | — | — | — | — | — | — | — | 7:39 | — | — | — | — | — | — | — | 7:37 | — | — | — | — | — |
 | — | — | — | — | — | 6:02 | — | — | — | — | — | — | — | 6:04 | — | — | — | — | — | — | — | 6:06 | — |
mm | — | — | — | — | — | — | 1 | — | — | 1 | — | — | — | 2 | 2 | 5 | 5 | 3 | 2 | 2 | 2 | 2 | 1 |
Temp °C | 10 | 10 | 9 | 10 | 11 | 12 | 12 | 11 | 12 | 12 | 12 | 12 | 13 | 11 | 11 | 10 | 10 | 9 | 6 | 7 | 7 | 7 | 8 |
Feels °C | 2 | 1 | 2 | 3 | 2 | 3 | 4 | 5 | 2 | 1 | 3 | 4 | 5 | 1 | 1 | 0 | 3 | 0 | -10 | -8 | -7 | -7 | -5 |
Swell 1 Height (m) Direction Period (s) | SW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | S 10 | W 11 | WNW 11 | SSE 10 | WSW 18 | WSW 12 | WSW 12 | WSW 16 | WSW 17 | WSW 15 | WSW 14 | WSW 15 | ENE 7 | E 14 | E 14 | E 14 | E 14 | E 14 |
| kJ | 1688 | 1388 | 999 | 631 | 396 | 54 | 1995 | 2160 | 32 | 182 | 256 | 248 | 505 | 423 | 491 | 660 | 1074 | 9 | 34 | 33 | 33 | 34 | 33 |
Swell 2 Height (m) Direction Period (s) | E 9 | S 9 | S 9 | S 10 | S 10 | S 10 | S 10 | WSW 13 | WSW 18 | SSE 10 | WSW 16 | WSW 16 | WSW 12 | WSW 12 | WSW 18 | WSW 18 | ENE 6 | ESE 14 | — | — | — | — | — |
| kJ | 2 | 40 | 42 | 48 | 44 | 50 | 33 | 431 | 66 | 31 | 237 | 376 | 195 | 186 | 251 | 413 | 4 | 21 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | SE 12 | E 9 | E 9 | E 9 | E 11 | E 10 | E 11 | S 10 | WSW 18 | NE 5 | S 9 | S 9 | SSE 9 | WSW 14 | E 16 | E 15 | S 8 | S 8 | — | — | — | — | — |
| kJ | 6 | 2 | 2 | 2 | 9 | 8 | 9 | 31 | 66 | 6 | 27 | 26 | 16 | 186 | 5 | 17 | 6 | 5 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WNW 6 | WNW 6 | WNW 7 | WNW 8 | WNW 9 | WNW 10 | NW 10 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 9 | NW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | W 12 | WSW 14 | WSW 14 | WSW 14 | WSW 14 |
| kJ | 175 | 341 | 372 | 857 | 1875 | 3226 | 1326 | 3897 | 3609 | 4271 | 1985 | 1432 | 1479 | 1863 | 1780 | 1602 | 1324 | 3294 | 13939 | 24365 | 25469 | 21736 | 19314 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 89 | 89 | 95 | 89 | 89 | 89 | 95 | 95 | 95 | 92 | 89 | 89 | 89 | 92 | 89 | 89 | 89 | 156 | 722 | 718 | 769 | 718 | 718 |
Best forecast wave conditions in Southland | |||||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||||
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