Clarence River surf break

Clarence River surfForecast / Kaikoura and Marlborough / New Zealand

information circle16 Day Weather and Surf, issued 11 am Tuesday 07 Apr 2026 NZST
Forecast update in hr  min  s Forecast update imminent
Clarence River surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Clarence River sea temperature is
14.9° C
(Which is slightly warmer than usual)

Best Forecast Surf Conditions for Clarence River this week:

The surf forecast for Clarence River over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Apr 08) at 6PM. The primary swell is predicted to be 2.1m and 10s period with a secondary swell of 0.2m and 9s. Another secondary swell of 1.5m and 6s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Clarence River in the next 16 days are 3.0m 13s and forecast to arrive on Monday (Apr 13) at 9AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 6s period and expected on Monday (Apr 13) at 6AM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+) 6PM (Wed 8th Apr)7ft (2.1m) 10s
Best Surf 3AM (Mon 13th Apr)6.5ft (2.0m) 11s
Most Powerful 9AM (Mon 13th Apr)10ft (3.0m) 13s

Table - best surf conditions forecast for Clarence River over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 8mm), mostly falling on Tue night. Warm (max 23°C on Wed afternoon, min 14°C on Tue night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 51mm), heaviest during Sun afternoon. Warm (max 21°C on Sat afternoon, min 13°C on Fri afternoon). Winds decreasing (fresh winds from the NE on Sat afternoon, calm by Sun afternoon).

Tuesday
07
Wednesday
08
Thursday
09
Friday
10
Saturday
11
Sunday
12
Monday
13
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
2
2
1
2
2
2
2
0
0
0
0
0
1
3
4
4
3
Swell
Height Map
Wave Height (m) & direction (?)
1.4
E
1.6
ENE
2.4
ENE
2.5
ENE
2.3
ENE
1.6
E
1.4
ENE
1.3
ENE
1.1
E
1
E
1
E
1
E
1.2
E
1
E
2.1
ENE
1.6
ENE
2.2
ENE
1.9
E
3
E
2.5
E
1.9
E
Period(s) (?)67891010101010101010101089911131211
Wave
Graph
(?)Metric surfscale
Energy kJ (?)161261709109898347937031523518818818826218852240474181532951797856
Wind
(km/h)
15
NNE
25
NE
25
NNE
25
NNE
15
N
10
NW
5
NW
0
WSW
10
WSW
20
SSW
10
SSE
15
NNE
15
NNE
30
NE
20
N
25
NNE
15
NE
15
SW
10
NNE
10
WNW
5
NNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
ononcross-
on
cross-
on
cross-
on
cross-
off
crossglassoffoffcross-
off
cross-
on
ononcross-
on
ononoffcross-
on
cross-
off
glass
High Tide
/ height (m)
9:09PM
1.41
9:33AM
1.29
9:55PM
1.39
10:20AM
1.26
10:41PM
1.38
11:05AM
1.25
11:27PM
1.37
11:49AM
1.24
12:11AM
1.36
Low Tide
/ height (m)
2:55PM
0.30
3:31AM
0.30
3:40PM
0.32
4:16AM
0.32
4:24PM
0.33
5:01AM
0.33
5:08PM
0.34
5:45AM
0.33
5:52PM
0.33
6:28AM
0.32
Tuesday
07
Wednesday
08
Thursday
09
Friday
10
Saturday
11
Sunday
12
Monday
13
Sunrise6:46--6:47--6:48--6:48--6:50--6:50--6:52--
Sunset-6:06--6:04--6:01--6:00--5:59--5:57--5:55-
cloud
cloud
rain showers
part cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
heavy rain
rain showers
part cloud
clear
part cloud
Rain (mm)
--8-------------3021---
Temp. °C171716202319222319151413202117191717171714
Feels °C (?)131213162117212317111211151513151614151512
  • 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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Information about the Clarence River Surf forecast

The above surf forecast table for Clarence River provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Clarence River can be found by selecting the local surf guide option on the grey menu. Our Clarence River 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 (Clarence River) 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 Clarence River 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.

Clarence River is 70 km (43 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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