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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 5 am Thursday 21 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
13.7° C
(Which is 2.9°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 Saturday (May 23) at 12PM. The primary swell is predicted to be 5.0m and 14s period with a secondary swell of 4.5m and 14s. 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 5.0m 14s and forecast to arrive on Saturday (May 23) at 12PM. 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 15s period and expected on Saturday (May 23) at 6PM.
| Wave Type | Time (NZST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12PM (Sat 23rd May) | 16ft (5.0m) 14s |
| Best Surf | 12PM (Sat 23rd May) | 16ft (5.0m) 14s |
| Most Powerful | 12PM (Sat 23rd May) | 16ft (5.0m) 14s |
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 ForecastLight rain (total 7mm), mostly falling on Thu morning. Very mild (max 12°C on Fri night, min 8°C on Sat night). Winds decreasing (strong winds from the W on Thu morning, light winds from the W by Sat night). | Days 4-6 Weather SummaryHeavy rain (total 34mm), heaviest during Mon night. Very mild (max 14°C on Mon night, min 8°C on Sun morning). Winds increasing (calm on Sun morning, strong winds from the WNW by Mon afternoon). | ||||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | Sunday 24 | Monday 25 | Tuesday 26 | Wednesday 27 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
SW 16 | SW 16 | E 12 | ENE 9 | ENE 8 | S 11 | SW 13 | SW 14 | S 17 | SSW 14 | SSW 15 | SSW 13 | SW 13 | SW 12 | SSW 12 | SW 11 | SW 11 | SW 14 | SW 14 | SW 14 | SW 14 | |
216 | 208 | 3 | 8 | 6 | 2 | 5444 | 7797 | 280 | 2122 | 2903 | 2545 | 1067 | 667 | 782 | 1053 | 928 | 3813 | 3636 | 4749 | 5961 | |
Wind (km/h) | |||||||||||||||||||||
cross-on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | cross-off | glassy | cross-off | cross-off | cross-off | cross | cross | cross-off | cross | cross | off | off | |
High Tide | 5:02PM2.24m | 5:21AM2.17m | 6:05PM2.14m | 6:26AM2.10m | 7:09PM2.07m | 7:31AM2.04m | 8:10PM2.03m | 8:33AM2.01m | 9:07PM2.01m | 9:31AM2.00m | 9:59PM2.00m | 10:23AM2.01m | 10:44PM2.01m | ||||||||
Low Tide | 10:35AM0.13m | 11:09PM0.37m | 11:40AM0.22m | 00:14AM0.42m | 12:45PM0.29m | 1:18AM0.44m | 1:49PM0.34m | 2:20AM0.44m | 2:48PM0.37m | 3:15AM0.43m | 3:40PM0.39m | 4:05AM0.41m | 4:28PM0.41m | ||||||||
 |  |  | |  |  | | | |  | |  | | |  |  |  |  | | | | |
 | 8:11 | — | — | 8:12 | — | — | 8:15 | — | — | 8:15 | — | — | 8:17 | — | — | 8:18 | — | — | 8:18 | — | — |
 | — | 5:16 | — | — | 5:15 | — | — | 5:15 | — | — | 5:14 | — | — | 5:13 | — | — | 5:12 | — | — | 5:12 | — |
7 | — | — | — | — | — | — | — | — | — | — | — | — | — | 9 | 12 | 9 | 4 | — | — | 6 | |
Temp °C | 11 | 11 | 10 | 10 | 11 | 12 | 10 | 9 | 9 | 8 | 9 | 12 | 12 | 12 | 14 | 9 | 9 | 9 | 9 | 11 | 13 |
2 | 1 | 1 | 3 | 3 | 3 | 3 | 4 | 5 | 6 | 7 | 7 | 6 | 4 | 6 | 4 | 5 | 6 | 6 | 9 | 10 | |
Swell 1 Height (m) Direction Period (s) | NW 14 | NW 13 | WSW 11 | WSW 12 | WSW 12 | S 11 | — | SW 14 | WSW 16 | WSW 15 | SSW 15 | SSW 13 | SW 13 | SW 12 | W 9 | SW 11 | SW 11 | SW 14 | SW 14 | SW 14 | SW 14 |
 kJ | 3144 | 473 | 3229 | 3374 | 2290 | 2 | — | 7797 | 8365 | 3953 | 2903 | 2545 | 1067 | 667 | 1111 | 1053 | 928 | 3813 | 3636 | 4749 | 5961 |
Swell 2 Height (m) Direction Period (s) | SW 16 | SW 16 | NW 11 | ENE 8 | ENE 8 | — | — | — | S 17 | SSW 14 | WSW 14 | WSW 13 | S 12 | S 12 | NW 8 | W 9 | SW 15 | SE 12 | ESE 11 | E 10 | — |
| kJ | 216 | 208 | 64 | 7 | 6 | — | — | — | 280 | 2122 | 2202 | 735 | 403 | 216 | 291 | 162 | 767 | 22 | 11 | 8 | — |
Swell 3 Height (m) Direction Period (s) | NE 5 | E 6 | E 12 | ENE 9 | S 12 | — | — | — | — | — | S 18 | ENE 11 | WSW 12 | WSW 12 | SW 18 | SW 16 | SSE 10 | ENE 10 | SSE 10 | — | — |
| kJ | 7 | 3 | 3 | 8 | 3 | — | — | — | — | — | 422 | 12 | 271 | 115 | 82 | 421 | 33 | 9 | 11 | — | — |
Wind waves Height (m) Direction Period (s) | W 7 | W 9 | — | — | WNW 6 | WSW 12 | SW 13 | — | — | — | — | — | WNW 6 | WNW 7 | SSW 12 | — | — | — | — | — | — |
| kJ | 688 | 1537 | — | — | 273 | 3679 | 5444 | — | — | — | — | — | 159 | 801 | 782 | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 176 | 221 | 92 | 89 | 119 | 92 | 119 | 174 | 90 | 0 | 0 | 0 | 89 | 89 | 89 | 89 | 94 | 94 | 90 | 94 | 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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