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Surf Forecasts:

Blue Duck Stream surf break

Blue Duck Stream surfForecast / Kaikoura and Marlborough / New Zealand

information circle12 Day Weather and Surf, issued 12 pm Friday 21 Nov 2025 NZDT
Forecast update in hr  min  s Forecast update imminent
Blue Duck Stream surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Blue Duck Stream sea temperature is
14.0° C
 (Which is 1.3°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Blue Duck Stream this week:

The surf forecast for Blue Duck Stream over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Nov 23) at 4AM. The primary swell is predicted to be 0.4m and 9s period with a secondary swell of 0.6m and 5s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Blue Duck Stream in the next 12 days are 2.1m 7s and forecast to arrive on Wednesday (Nov 26) at 10PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.2m 7s period and expected on Thursday (Nov 27) at 10PM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+) 4AM (Sun 23rd Nov)1.5ft (0.4m) 9s
Best Surf 1AM (Wed 26th Nov)6.5ft (2.0m) 7s
Most Powerful10PM (Wed 26th Nov)7ft (2.1m) 7s

Table - best surf conditions forecast for Blue Duck Stream over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Some drizzle, heaviest during Sun night. Warm (max 25°C on Fri afternoon, min 12°C on Fri night). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Mon morning. Warm (max 23°C on Wed morning, min 11°C on Mon morning). Wind will be generally light.

Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
1
0
0
0
0
0
0
0
0
0
0
0
0
0
3
1
0
2
1
1
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.9
ENE
0.6
ENE
0.6
ENE
0.9
S
0.4
ENE
0.4
ENE
0.4
ENE
0.3
ENE
0.3
ENE
0.4
SSW
0.5
S
0.6
S
0.6
S
0.7
S
2
ENE
1.3
ENE
1.5
NE
1.4
ENE
0.8
E
0.7
ENE
0.9
ENE
Period(s) (?)101095999991414131212765771110
Wave
Graph
(?)Metric surfscale
Energy kJ (?)140726536262626171662961211061413521261171996199184
Wind
(km/h)
5
ESE
5
E
20
SW
15
SSW
10
ESE
10
NE
10
E
10
E
10
SW
15
S
10
ESE
15
NNE
15
ENE
20
ENE
5
N
10
NE
20
NNE
15
NNW
5
NE
5
N
10
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassoncross-
off		crossoncrossononcross-
off		crossoncrosscross-
on		cross-
on		glasscrosscrosscross-
off		glassglassoff
High Tide
/ height (m)
6:36PM
1.33
6:59AM
1.47
7:21PM
1.33
7:44AM
1.47
8:06PM
1.31
8:28AM
1.46
8:51PM
1.29
9:12AM
1.44
9:35PM
1.28
9:56AM
1.43
10:18PM
1.27
10:40AM
1.42
11:03PM
1.27
Low Tide
/ height (m)
12:35PM
0.30
12:42AM
0.30
1:21PM
0.30
1:27AM
0.30
2:07PM
0.30
2:12AM
0.31
2:52PM
0.31
2:56AM
0.32
3:36PM
0.31
3:40AM
0.32
4:19PM
0.31
4:23AM
0.31
5:02PM
0.29
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Sunrise5:48--5:48--5:48--5:47--5:46--5:46--5:45--
Sunset-8:31--8:32--8:34--8:35--8:37--8:37--8:38-
clear
clear
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
rain showers
light rain
cloud
part cloud
cloud
cloud
part cloud
part cloud
cloud
clear
part cloud
part cloud
clear
Rain (mm)
--------12-----------
Temp. °C242520141513161615111112171717232319242420
Feels °C (?)242417121312151516899141416202018232418
  • Map Icons:
  • Break
  • 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 Blue Duck Stream 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.

View detailed surf forecast for Blue Duck Stream at:
surf-forecast.com

Information about the Blue Duck Stream Surf forecast

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

Blue Duck Stream is 86 km (53 miles) from the city of Blenheim. If you plan a holiday in Kaikoura and Marlborough, look for hotels and other accommodation in Blenheim. Blenheim has rooms for a wide range of budgets as well as car hire and transport links.

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