Stewart Island - Saber Reef Surf Forecast

/ Southland (9 surf breaks) /

New Zealand (466 surf breaks)

Surf Forecasts:

Stewart Island - Saber Reef surfForecast / Southland / New Zealand

12 Day Weather and Surf, issued 12 am Sunday 16 Nov 2025 NZDT

Forecast 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 12.3° C
(Which is 1.7°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 Monday (Nov 17) at 1AM. The primary swell is predicted to be 1.5m and 6s period with a secondary swell of 1.1m and 6s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Stewart Island - Saber Reef in the next 12 days are 1.4m 13s and forecast to arrive on Sunday (Nov 23) at 1AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 4.0m 12s period and expected on Wednesday (Nov 19) at 7PM.

Wave Type	Time (NZDT) & Date	Wave Height & Period
Next good surf (1 star+)	1AM (Mon 17th Nov)	5ft (1.5m) 6s
Best Surf	1AM (Mon 17th Nov)	5ft (1.5m) 6s
Most Powerful	1AM (Sun 23rd Nov)	4.5ft (1.4m) 13s

Table - best surf conditions forecast for Stewart Island - Saber Reef over the next 12 days.

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Short Range Forecast Light rain (total 6mm), mostly falling on Tue morning. Very mild (max 18°C on Mon afternoon, min 9°C on Sat night). Winds increasing (light winds from the ESE on Sun afternoon, strong winds from the NW by Tue afternoon).										Days 3-6 Weather Summary Light rain (total 9mm), mostly falling on Fri morning. Very mild (max 17°C on Thu morning, min 10°C on Fri afternoon). Winds decreasing (near gales from the WNW on Thu afternoon, light winds from the SSW by Fri afternoon).
		Sunday 16			Monday 17			Tuesday 18			Wednesday 19			Thursday 20			Friday 21			Sat 22
	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM
Rating (10 max)	0	0	0	2	2	2	2	2	0	0	0	0	0	0	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	E	E	E	ENE	ENE	E	ENE	E	E	E	ENE	ENE	E	E	E	E	E	WSW	ENE	ENE	ENE
Period(s) (?)	9	12	11	6	8	10	10	8	10	10	10	10	9	10	9	9	10	15	10	9	9
Wave Graph (?)
kJ (?)	45	71	119	167	128	200	318	368	313	204	167	240	61	71	64	41	51	0	31	16	16
Wind (km/h)	W	NW	ESE	N	NE	NNE	NE	NNE	NW	NW	NNW	NW	NW	NNW	WNW	N	WNW	W	SE	SSW	W
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross	cross- off	cross	cross- off	off	off	off	off	cross- off	cross- off	cross- off	cross- off	cross- off	cross- off	cross	cross- off	cross- off	cross- on	cross	on	cross- on
High Tide / height (m)	11:02PM 1.99	11:27AM 2.00		11:47PM 2.01	12:07PM 2.02		12:27AM 2.04	12:43PM 2.04		1:05AM 2.07		1:18PM 2.05	1:42AM 2.09		1:54PM 2.06	2:20AM 2.10		2:31PM 2.05	2:58AM 2.08		3:09PM 2.02
Low Tide / height (m)		5:09AM 0.39	5:31PM 0.41		5:51AM 0.39	6:11PM 0.38		6:30AM 0.39	6:48PM 0.35		7:08AM 0.41		7:25PM 0.34	7:45AM 0.43		8:02PM 0.35	8:23AM 0.46		8:40PM 0.38	9:03AM 0.51

		Sunday 16			Monday 17			Tuesday 18			Wednesday 19			Thursday 20			Friday 21			Sat 22
Sunrise	-	6:03	-	-	6:01	-	-	6:00	-	-	5:58	-	-	5:58	-	-	5:56	-	-	5:56	-
Sunset	-	-	9:04	-	-	9:05	-	-	9:07	-	-	9:07	-	-	9:09	-	-	9:10	-	-	9:13

Rain (mm)	-	-	-	-	-	-	-	6	-	1	1	-	-	-	-	-	5	2	17	4	-
Temp. °C	10	12	13	11	16	18	17	16	13	13	16	16	15	17	17	16	13	11	10	9	11
Feels °C (?)	3	7	10	8	12	13	11	11	3	2	10	9	8	12	7	10	10	9	8	3	4

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Quick surf report for Stewart Island - Saber Reef:

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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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