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Stewart Island - Saber Reef Surf Forecast
/ Southland (9 surf breaks) /
Surf Forecasts:
Stewart Island - Saber Reef surfForecast / Southland / New Zealand
12 Day Weather and Surf, issued 12 pm Wednesday 10 Dec 2025 NZDTForecast 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
13.2° C
(Which is 1.9°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 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Dec 13) at 1PM. The primary swell is predicted to be 1.0m and 11s 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 12 days are 1.7m 13s and forecast to arrive on Wednesday (Dec 17) at 10AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 6.5m 12s period and expected on Wednesday (Dec 17) at 4AM.
| Wave Type | Time (NZDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1PM (Sat 13th Dec) | 3.5ft (1.0m) 11s |
| Best Surf | 1PM (Sat 13th Dec) | 3.5ft (1.0m) 11s |
| Most Powerful | 10AM (Wed 17th Dec) | 5.5ft (1.7m) 13s |
Table - best surf conditions forecast for Stewart Island - Saber Reef over the next 12 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Light rain (total 9mm), mostly falling on Thu afternoon. Very mild (max 12°C on Wed morning, min 10°C on Wed night). Winds decreasing (strong winds from the WNW on Wed morning, light winds from the WNW by Fri night). | Days 3-6 Weather Summary Moderate rain (total 10mm), heaviest on Mon morning. Very mild (max 17°C on Sun night, min 11°C on Sat night). Winds increasing (calm on Sat afternoon, strong winds from the NW by Mon night). | ||||||||||||||||||||
Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | |||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||
| Period(s) (?) | 11 | 16 | 13 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 4 | 9 | 14 | 6 | 7 | 9 | 9 | 10 | 9 |
Wave (?)Graph  | |||||||||||||||||||||
 kJ (?) | 29 | 26 | 31 | 48 | 26 | 25 | 21 | 9 | 5 | 360 | 148 | 4 | 3 | 3 | 0 | 187 | 52 | 77 | 42 | 30 | 16 |
Wind (km/h) | |||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- on | cross | cross- off | cross | cross- on | cross | cross- on | cross- on | cross | cross- on | cross- off | glass | cross | off | cross- off | cross- off | cross- off | cross- off | cross | cross- off |
High Tide / height (m) | 6:28PM 2.12 | 7:08AM 2.06 | 7:28PM 2.01 | 8:06AM 1.98 | 8:28PM 1.93 | 9:03AM 1.92 | 9:28PM 1.89 | 9:57AM 1.89 | 10:24PM 1.87 | 10:47AM 1.89 | 11:15PM 1.89 | 11:33AM 1.91 | 12:01AM 1.93 | ||||||||
Low Tide / height (m) | 12:15PM 0.40 | 12:45AM 0.29 | 1:16PM 0.47 | 1:46AM 0.39 | 2:17PM 0.51 | 2:45AM 0.47 | 3:15PM 0.54 | 3:41AM 0.52 | 4:09PM 0.54 | 4:33AM 0.55 | 4:57PM 0.52 | 5:20AM 0.56 | 5:42PM 0.50 | ||||||||
Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||
| Sunrise | 5:47 | - | - | 5:46 | - | - | 5:46 | - | - | 5:46 | - | - | 5:46 | - | - | 5:47 | - | - | 5:47 | - | - |
| Sunset | - | 9:35 | - | - | 9:36 | - | - | 9:37 | - | - | 9:37 | - | - | 9:38 | - | - | 9:39 | - | - | 9:39 | - |
 |  |  | |  |  | |  |  | | | | |  |  | | | | | | | |
Rain (mm) | - | - | - | - | 5 | 1 | 1 | 2 | - | - | - | - | - | - | - | 4 | 1 | 5 | 3 | 2 | 15 |
| Temp. °C | 12 | 12 | 11 | 12 | 12 | 10 | 11 | 12 | 11 | 13 | 13 | 12 | 13 | 14 | 17 | 15 | 13 | 12 | 11 | 11 | 10 |
| Feels °C (?) | 4 | 4 | 6 | 6 | 5 | 3 | 3 | 5 | 6 | 12 | 11 | 10 | 12 | 11 | 10 | 9 | 6 | 4 | 1 | 2 | -2 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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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.
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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 12 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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