Surf Forecasts:
Stewart Island - Saber Reef surf forecast from 11 Nov 2026:
- Best quality surf: Thursday 19 Nov, 7AM (local time) - 13ft (4.0m), 13s period, SW swell with cross-onshore winds.
- Most powerful swell: Wednesday 18 Nov, 10PM (local time) - 15ft (4.5m), 13s period, SW swell with 7,042 kJ wave energy.
- Next surfable swell (1★+): Wednesday 11 Nov, 4PM (local time) - 3ft (0.9m), 8s period with E swell.
Best Forecast Surf Conditions for Stewart Island - Saber Reef this week:
The surf forecast for Stewart Island - Saber Reef over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Nov 11) at 4PM. The primary swell is predicted to be 0.9m and 8s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Stewart Island - Saber Reef in the next 16 days are 4.5m 13s and forecast to arrive on Wednesday (Nov 18) at 10PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 4.5m 12s period and expected on Wednesday (Nov 18) at 4PM.
| Wave Type | Time (NZDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4PM (Wed 11th Nov) | 3ft (0.9m) 8s |
| Best Surf | 7AM (Thu 19th Nov) | 13ft (4.0m) 13s |
| Most Powerful | 10PM (Wed 18th Nov) | 15ft (4.5m) 13s |
Table - best surf conditions forecast for Stewart Island - Saber Reef over the next 16 days.
Short Range ForecastLight rain (total 5mm), mostly falling on Wed night. Very mild (max 13°C on Wed morning, min 9°C on Fri night). Winds increasing (calm on Wed morning, near gales from the WNW by Thu morning). | Days 4-6 Weather SummaryLight rain (total 8mm), mostly falling on Mon morning. Very mild (max 16°C on Sun morning, min 8°C on Mon morning). Winds increasing (light winds from the NNW on Sat morning, near gales from the NW by Sun morning). | ||||||||||||||||||||
Wednesday 11 | Thursday 12 | Friday 13 | Saturday 14 | Sunday 15 | Monday 16 | Tuesday 17 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 9 | ENE 9 | ENE 9 | SSW 14 | SW 13 | SW 12 | SW 12 | SW 11 | SW 11 | S 9 | SW 12 | SW 14 | SW 14 | E 7 | ENE 8 | WSW 13 | WSW 12 | SW 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 163 | 94 | 61 | 39 | 28 | 16 | 1647 | 3775 | 2878 | 1628 | 1083 | 638 | 40 | 455 | 2350 | 2171 | 4 | 6 | 0 | 0 | 1655 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | cross-on | cross | cross-on | cross | cross | cross | cross-on | cross-off | cross-off | cross-off | cross-off | cross-on | cross | cross-on | cross-on | cross | cross | cross-off | cross-off |
High Tide | 3:04PM2.08m | 3:33AM2.10m | 3:44PM2.02m | 4:16AM2.02m | 4:27PM1.95m | 5:01AM1.94m | 5:13PM1.87m | 5:49AM1.86m | 6:03PM1.80m | 6:41AM1.80m | 6:55PM1.75m | 7:34AM1.76m | 7:50PM1.73m | ||||||||
Low Tide | 9:14PM0.34m | 9:37AM0.50m | 9:56PM0.42m | 10:21AM0.59m | 10:41PM0.51m | 11:07AM0.67m | 11:29PM0.58m | 11:58AM0.73m | 00:22AM0.64m | 12:54PM0.77m | 1:19AM0.67m | 1:51PM0.77m | 2:15AM0.66m | ||||||||
 | |  | |  |  |  |  |  | | |  | | | | | | | | | | |
 | 6:09 | — | — | 6:07 | — | — | 6:05 | — | — | 6:05 | — | — | 6:03 | — | — | 6:03 | — | — | 6:01 | — | — |
 | — | 8:55 | — | — | 8:58 | — | — | 8:59 | — | — | — | 9:00 | — | — | 9:01 | — | — | 9:04 | — | — | 9:05 |
mm | — | — | 2 | — | 1 | — | — | 1 | 1 | 1 | — | — | — | — | 2 | 4 | — | 1 | — | — | 2 |
Temp °C | 13 | 13 | 13 | 11 | 11 | 10 | 12 | 12 | 11 | 11 | 13 | 14 | 16 | 12 | 11 | 8 | 9 | 10 | 11 | 11 | 12 |
Feels °C | 12 | 12 | 12 | 1 | 1 | 1 | 3 | 3 | 6 | 9 | 7 | 9 | 5 | 4 | 1 | -2 | -2 | 0 | 0 | 0 | 0 |
Swell 1 Height (m) Direction Period (s) | WSW 15 | WSW 15 | WSW 15 | WSW 14 | ENE 9 | SW 12 | SSW 14 | SW 13 | SW 12 | SW 12 | SW 11 | SW 11 | WSW 11 | SW 12 | SW 14 | SW 14 | E 7 | WSW 12 | — | — | SW 12 |
| kJ | 1508 | 1737 | 1911 | 1538 | 28 | 3794 | 1647 | 3775 | 2878 | 1628 | 1083 | 638 | 411 | 455 | 2350 | 2171 | 4 | 3750 | — | — | 1655 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 9 | — | ENE 9 | ENE 9 | ENE 9 | ENE 11 | ENE 11 | S 10 | S 10 | WSW 16 | SW 15 | ENE 7 | ENE 7 | S 9 | ENE 8 | — | — | — |
| kJ | 163 | 94 | 61 | 39 | — | 16 | 8 | 16 | 12 | 12 | 92 | 90 | 234 | 441 | 10 | 5 | 2 | 6 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | SW 20 | SW 19 | WSW 18 | S 9 | S 9 | S 11 | S 10 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 15 | 58 | 124 | 40 | 14 | 2 | 2 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | WSW 4 | W 7 | WSW 10 | WSW 12 | WSW 13 | WNW 7 | — | — | WNW 6 | WNW 7 | NW 9 | WNW 10 | WNW 9 | WNW 8 | WSW 14 | WSW 12 | WSW 13 | WSW 12 | W 12 |
| kJ | — | — | 11 | 722 | 2676 | 4906 | 3244 | 498 | — | — | 151 | 298 | 460 | 1461 | 415 | 1220 | 4406 | 4588 | 4324 | 4626 | 4234 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 109 | 174 | 269 | 119 | 119 | 174 | 119 | 0 | 89 | 89 | 95 | 89 | 145 | 224 | 536 | 145 | 119 | 145 | 89 |
Best forecast wave conditions in Southland | |||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Information about the Stewart Island - Saber Reef Surf forecast
The above surf forecast table for Stewart Island - Saber Reef provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Stewart Island - Saber Reef can be found by selecting the local surf guide option on the grey menu. Our Stewart Island - Saber Reef surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Stewart Island - Saber Reef) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Stewart Island - Saber Reef may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
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