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Blue Duck Stream surf break

Blue Duck Stream surfForecast / Kaikoura and Marlborough / New Zealand

information circle48hr Weather and Surf, issued 11 pm Wednesday 09 Jul 2025 NZST
Forecast update in -3hr 10 min 19 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
51.6°F
 (Which is normal for this time of year)

How big are the waves at Blue Duck Stream today?

The current surf forecast for Blue Duck Stream at 5AM is: 6ft 12s primary swell from a East direction and 1ft 9s secondary swell from a South direction, 3ft 5s secondary swell from a North-northeast direction (forecast issued at 11:00pm July 09). The wind direction is predicted to be cross-offshore and the swell rating is 4.

Time (NZST) & DateWave HeightWave Period
Morning (10 Jul)5.5ft (1.7m)11s
Afternoon (10 Jul)5.5ft (1.7m)11s
Evening (10 Jul)5ft (1.6m)11s

Table - waves today at Blue Duck Stream. (Swell directed towards the surf break)

Hourly12 Days
Kaikoura and Marlborough Surf
Print Surf Table
Updates in -3 hr 10 min 19 s Forecast update imminent 
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM
Rating
(10 max)
2
3
3
4
3
3
3
3
3
3
3
3
3
1
0
1
0
!
!
!
4
4
4
4
4
4
3
3
3
3
1
3
3
3
3
3
2
2
2
2
2
2
2
2
2
1
2
2
2
3
4
3
3
3
2
3
3
3
3
3
Swell
Height Map
See all maps
Wave Height (ft) & direction (?)
4.5
E
5
E
6
E
6.5
E
5.5
E
5
E
5.5
E
5.5
E
5
E
5
E
5
E
5
E
5.5
E
5
E
6
ENE
8
ENE
11
ENE
15
ENE
11
E
10
E
8
E
8
E
8
E
7
E
7
E
7
E
6.5
E
6
E
6
E
6
E
6
E
6.5
E
6
E
5.5
E
5
E
5
E
5
E
4.5
E
4.5
E
4.5
E
4.5
E
4.5
E
4.5
E
4.5
E
4.5
E
4.5
E
4.5
E
4
E
4.5
E
6
E
6
E
5
E
6
E
5.5
E
5.5
E
5.5
E
6
E
6
E
6
E
6
E
Period(s) (?)71112121111111111111212121299910111111111111111111111111111010101010101010101010101010101010111211111111111111111111
Wave
Graph
(?)Metric surfscale
Energy (?)3637139501136919787746734651668716732789753822104820926791291622391810158714401196107910519228327517687848697407025165474584073993473593583853643563483302774709671136979768674699699761761761775
Wind
(mph)
10
N
10
N
5
NNW
5
NW
5
NW
5
N
5
N
5
NW
5
NW
5
NW
5
NNW
5
NNW
10
N
15
NNE
20
NE
20
NE
25
NE
15
NNE
5
NW
5
NW
5
NW
5
N
5
NNW
5
NW
5
NW
5
NW
10
NW
5
NW
10
NNW
10
N
15
NNE
10
N
10
N
10
N
10
NNW
5
NW
5
NW
5
N
5
WNW
5
NW
5
NW
5
WNW
5
NW
5
WNW
5
NW
5
NE
10
N
10
N
10
NNW
10
NW
5
NW
10
NW
5
NW
5
W
5
NE
5
NNW
10
NW
10
NW
5
NW
5
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		cross-
off		offglassglassoffcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crosscrosscrosscrosscrosscross-
off		cross-
off		offglassglassoffcross-
off		offcross-
off		cross-
off		cross-
off		cross-
off		crosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offoffoffoffoffoffcross-
off		crosscross-
off		cross-
off		cross-
off		offcross-
off		offoffglasscrossglassoffoffoffcross-
off
High Tide
/ height (ft)
4:05AM
4.36
4:30PM
4.89
4:49AM
4.4
5:15PM
4.99
5:33AM
4.43
5:59PM
5.02
6:19AM
4.46
6:45PM
5.05
7:05AM
4.49
7:31PM
5.05
7:54AM
4.53
8:19PM
5.02
8:44AM
4.59
9:09PM
4.99
Low Tide
/ height (ft)
10:03PM
1.05
10:09AM
0.89
10:49PM
0.95
10:55AM
0.82
11:35PM
0.89
11:40AM
0.72
12:21AM
0.79
12:27PM
0.66
1:07AM
0.69
1:14PM
0.59
1:53AM
0.62
2:03PM
0.56
2:41AM
0.56
2:55PM
0.52
3:30AM
0.49
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Sunrise----7:52-------7:52-------7:50-------7:50-------7:50-------7:48-------7:48-------
Sunset------5:07-------5:07-------5:08-------5:09-------5:10-------5:10-------5:12-----
cloudcloudpart cloudclearclearpart cloudpart cloudclearclearclearclearpart cloudpart cloudcloudcloudmod rainheavy rainlight rainclearclearclearclearclearpart cloudclearclearclearpart cloudclearcloudcloudpart cloudpart cloudcloudclearclearpart cloudpart cloudclearclearclearclearclearclearclearclearpart cloudpart cloudpart cloudcloudcloudpart cloudclearclearclearpart cloudclearpart cloudcloudpart cloud
Rain (in)
---------------0.40.60.0------------------------------------------
Temp. °F545454545461635755545454555755555555555254595955555452505055555452525252545759555452525252595954545252525257575450505052
Feels °F (?)484848485059615450484848505046454348524648555550504846434346464645454646485255504846464646555446464646464654525043434346
  • Map Icons:
  • Break
  • Live Wave Height (ft)
  • Live Wind Speed (mph)
  • Surf Rating (10 Max)
  • Ocean Swells (ft)
  • Wind Speed (mph)
Map placeholder

Eyeball surf reportRecent Eyeball Surf Reports for Kaikoura and Marlborough

  1. Building clean swell was only waist-high when I arrived but soon increased to shoulder high on the sets and tending head-high by dusk. Apart from two surfers at the beach-break, nobody else in. A rare treat. Very light offshore. Overcast but dry.

    9 hours 29 minutes ago Delaware Bay Point, 128 km away

  2. Building swell on Wedenesday afternoon with about 15 surfers enjoying glassy head-high+ waves. Overcast but dry.

    9 hours 31 minutes ago Schnappers Point, 126 km away
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View detailed surf forecast for Blue Duck Stream at:
surf-forecast.com

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