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Stewart Island - Saber Reef Surf Forecast
/ Southland (9 surf breaks) /
Surf Forecasts:
Stewart Island - Saber Reef surfForecast / Southland / New Zealand
16 Day Weather and Surf, issued 11 pm Tuesday 12 May 2026 NZSTForecast update in hr min s Forecast update imminent
Stewart Island - Saber Reef surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Stewart Island - Saber Reef sea temperature is
13.9° C
(Which is 3.0°C warmer than normal for this time of year)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 (May 13) at 6AM. The primary swell is predicted to be 4.5m and 19s period with a secondary swell of 1.3m and 19s. The wind is predicted to be cross-onshore as the swell arrives.
The most powerful waves expected at Stewart Island - Saber Reef in the next 16 days are 4.5m 19s and forecast to arrive on Wednesday (May 13) at 6AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.5m 14s period and expected on Tuesday (May 19) at 9AM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Wed 13th May) | 15ft (4.5m) 19s |
| Best Surf | 6AM (Wed 13th May) | 15ft (4.5m) 19s |
| Most Powerful | 6AM (Wed 13th May) | 15ft (4.5m) 19s |
Table - best surf conditions forecast for Stewart Island - Saber Reef over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 12°C on Fri afternoon, min 8°C on Wed night). Winds decreasing (fresh winds from the WSW on Tue night, calm by Fri afternoon). | Days 5-7 Weather SummaryMostly dry. Very mild (max 12°C on Fri night, min 9°C on Sat morning). Winds increasing (calm on Fri night, fresh winds from the WNW by Mon afternoon). | ||||||||||||||||||||
Wednesday 13 | Thursday 14 | Friday 15 | Saturday 16 | Sunday 17 | Monday 18 | Tue 19 | |||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
SW 14 | SW 18 | SW 17 | SW 16 | SW 14 | SW 14 | SW 13 | SW 12 | SW 12 | SW 12 | SW 13 | S 22 | SSE 8 | E 12 | E 11 | E 11 | E 10 | E 10 | SSW 19 | ENE 10 | E 9 | |
6593 | 12834 | 9531 | 4657 | 3325 | 2925 | 2340 | 1715 | 1381 | 1281 | 1149 | 9 | 24 | 13 | 10 | 9 | 10 | 8 | 117 | 9 | 7 | |
Wind (km/h) | |||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | glassy | glassy | glassy | cross-off | cross | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross | |
High Tide | 9:27PM1.96m | 9:44AM2.01m | 10:14PM2.07m | 10:35AM2.15m | 11:01PM2.18m | 11:26AM2.28m | 11:49PM2.27m | 12:18PM2.39m | 00:39AM2.34m | 1:11PM2.45m | 1:30AM2.37m | 2:06PM2.45m | 2:23AM2.36m | 3:02PM2.41m | |||||||
Low Tide | 3:41AM0.47m | 4:04PM0.33m | 4:27AM0.33m | 4:52PM0.22m | 5:14AM0.19m | 5:40PM0.15m | 6:01AM0.08m | 6:29PM0.11m | 6:51AM-0.00m | 7:20PM0.11m | 7:42AM-0.03m | 8:13PM0.15m | 8:37AM-0.01m | ||||||||
 |  | |  | | | | | | |  | | | | |  | |  | | | | |
 | — | 8:03 | — | — | 8:03 | — | — | 8:04 | — | — | 8:06 | — | — | 8:07 | — | — | 8:08 | — | — | 8:10 | — |
 | — | — | 5:25 | — | — | 5:24 | — | — | 5:23 | — | — | 5:22 | — | — | 5:21 | — | — | 5:20 | — | — | 5:19 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 11 | 10 | 9 | 8 | 8 | 9 | 11 | 12 | 12 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 13 |
6 | 6 | 5 | 5 | 4 | 3 | 5 | 8 | 10 | 11 | 8 | 9 | 7 | 8 | 7 | 9 | 7 | 6 | 4 | 5 | 5 | |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 18 | SW 17 | SW 16 | SW 14 | SW 14 | SW 13 | SW 12 | SW 12 | SW 12 | SW 13 | WSW 17 | WSW 16 | WSW 14 | WSW 14 | WSW 13 | WSW 17 | WSW 16 | E 10 | W 14 | WSW 13 |
 kJ | 6593 | 12834 | 9531 | 4657 | 3325 | 2925 | 2340 | 1715 | 1381 | 1281 | 1149 | 3393 | 2550 | 1484 | 1053 | 1011 | 293 | 1180 | 8 | 2980 | 1144 |
Swell 2 Height (m) Direction Period (s) | WSW 21 | ENE 13 | E 12 | S 9 | E 11 | E 10 | E 10 | E 10 | W 24 | WSW 21 | WSW 18 | S 22 | SSE 8 | E 12 | E 11 | W 19 | E 10 | WSW 19 | SSW 19 | ENE 10 | E 9 |
| kJ | 2697 | 34 | 12 | 151 | 10 | 9 | 8 | 8 | 44 | 454 | 1149 | 9 | 24 | 11 | 10 | 65 | 8 | 415 | 117 | 9 | 7 |
Swell 3 Height (m) Direction Period (s) | SSW 22 | SE 16 | SSE 15 | E 11 | SE 13 | SE 13 | E 10 | SE 12 | E 10 | E 10 | SSW 19 | — | ENE 11 | ENE 12 | S 15 | E 11 | ENE 10 | E 10 | ENE 10 | S 15 | — |
| kJ | 616 | 10 | 21 | 10 | 7 | 7 | 8 | 6 | 2 | 2 | 117 | — | 11 | 13 | 4 | 9 | 10 | 8 | 10 | 4 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 5 | NW 5 | — | W 12 | WNW 7 | W 16 | W 14 | WNW 8 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 31 | 25 | — | 846 | 298 | 4369 | 4639 | 635 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 119 | 89 | 174 | 92 | 89 | 92 | 92 | 92 | 89 | 0 | 0 | 89 | 89 | 89 | 89 | 89 | 89 | 92 | 89 | 89 | 89 |
Best forecast wave conditions in Southland | |||||||||||||||||||||
Best forecast wave conditions in New Zealand | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Stewart Island - Saber Reef surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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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