Smoothwater Bay surfForecast / West Coast South Island / New Zealand

information circle12 Day Weather and Surf, issued 12 pm Friday 02 Jan 2026 NZDT
Forecast update in hr  min  s Forecast update imminent
Smoothwater Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Smoothwater Bay sea temperature is
15.3° C
(Which is normal for this time of year)


Best Forecast Surf Conditions for Smoothwater Bay this week:

The surf forecast for Smoothwater Bay over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Jan 02) at 7PM. The primary swell is predicted to be 1.4m and 12s period with a secondary swell of 0.3m and 7s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Smoothwater Bay in the next 12 days are 1.4m 14s and forecast to arrive on Sunday (Jan 04) at 10PM. Winds are predicted to be cross-offshore at the time the swell arrives.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+) 7PM (Fri 2nd Jan)4.5ft (1.4m) 12s
Best Surf 7PM (Fri 2nd Jan)4.5ft (1.4m) 12s
Most Powerful10PM (Sun 4th Jan)4.5ft (1.4m) 14s

Table - best surf conditions forecast for Smoothwater Bay over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Some drizzle, heaviest during Sun morning. Very mild (max 18°C on Sat morning, min 13°C on Sun night). Wind will be generally light.

Days 3-6 Weather Summary Some drizzle, heaviest during Wed night. Very mild (max 17°C on Wed afternoon, min 12°C on Mon night). Wind will be generally light.

Friday
02
Saturday
03
Sunday
04
Monday
05
Tuesday
06
Wednesday
07
Thursday
08
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
2
2
2
2
2
3
2
2
3
3
0
3
1
0
2
2
0
2
1
0
1
Swell
Height Map
Wave Height (m) & direction (?)
1.1
WSW
1.5
WSW
1.3
WSW
1.1
WSW
1.3
WSW
0.9
SW
1.1
SW
1.2
SW
1.4
WSW
1.2
WSW
1
WSW
1.1
SW
1.1
SW
1
WSW
0.9
WSW
1.1
WSW
1.2
WSW
1.2
WSW
1
WSW
1.2
WSW
2.2
WNW
Period(s) (?)131299121816151414131312121212111010108
Wave
Graph
(?)Metric surfscale
Energy kJ (?)402619271181414449587693774501357382325289247341346291194271599
Wind
(km/h)
5
ESE
5
NNW
5
S
0
E
5
NNW
5
ESE
10
NE
5
NW
5
S
5
NW
10
WNW
10
S
5
WNW
15
W
10
SSW
10
WNW
20
W
5
SSW
10
ENE
15
NNW
15
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
onglassglassoncross-
off
cross-
on
oncross-
off
glasscross-
on
cross-
off
cross-
on
cross-
on
cross-
off
cross-
on
cross-
on
cross-
off
crossoncross
High Tide
/ height (m)
11:00AM
2.03
11:29PM
2.07
11:55AM
2.12
12:25AM
2.12
12:47PM
2.18
1:17AM
2.13
1:36PM
2.19
2:06AM
2.11
2:24PM
2.16
2:52AM
2.05
3:10PM
2.08
3:37AM
1.96
3:55PM
1.98
Low Tide
/ height (m)
5:13PM
0.32
5:43AM
0.35
6:09PM
0.26
6:36AM
0.30
7:01PM
0.23
7:26AM
0.29
7:51PM
0.24
8:13AM
0.31
8:39PM
0.28
8:59AM
0.36
9:26PM
0.36
9:43AM
0.44
10:12PM
0.46
Friday
02
Saturday
03
Sunday
04
Monday
05
Tuesday
06
Wednesday
07
Thursday
08
Sunrise6:05--6:07--6:07--6:09--6:09--6:11--6:11--
Sunset-9:30--9:30--9:30--9:30--9:30--9:30--9:30-
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
rain showers
cloud
clear
part cloud
clear
clear
clear
part cloud
part cloud
clear
clear
rain showers
heavy rain
heavy rain
rain showers
Rain (mm)
------1----------1202516
Temp. °C161616181616161614151514151614161715151617
Feels °C (?)161515171516151614141312121313131415151514
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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Information about the Smoothwater Bay Surf forecast

The above surf forecast table for Smoothwater Bay provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Smoothwater Bay can be found by selecting the local surf guide option on the grey menu. Our Smoothwater Bay 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 (Smoothwater Bay) 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 Smoothwater Bay 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.

Are you planning a holiday in West Coast South Island? If you are looking for accommodation near Smoothwater Bay, camping, hotels and holiday cottages in West Coast South Island, consider staying in Okuru which is 28 km (17 miles) away.

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