Clarence River surf break

Clarence River surfForecast / Kaikoura and Marlborough / New Zealand

information circle12 Day Weather and Surf, issued 12 am Thursday 04 Dec 2025 NZDT
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
14.8° C
(Which is 1.3°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Clarence River this week:

The surf forecast for Clarence River over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Dec 04) at 7PM. The primary swell is predicted to be 2.3m and 10s period with a secondary swell of 0.1m and 15s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Clarence River in the next 12 days are 2.5m 10s and forecast to arrive on Thursday (Dec 04) at 4PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 5s period and expected on Thursday (Dec 11) at 4AM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+) 7PM (Thu 4th Dec)7.5ft (2.3m) 10s
Best Surf 7PM (Thu 4th Dec)7.5ft (2.3m) 10s
Most Powerful 4PM (Thu 4th Dec)8ft (2.5m) 10s

Table - best surf conditions forecast for Clarence River over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 5mm), mostly falling on Wed night. Warm (max 23°C on Fri afternoon, min 11°C on Wed night). Winds decreasing (fresh winds from the SSW on Wed night, light winds from the NNE by Fri afternoon).

Days 3-6 Weather Summary Mostly dry. Warm (max 26°C on Sun afternoon, min 16°C on Sat night). Wind will be generally light.

Thursday
04
Friday
05
Saturday
06
Sunday
07
Monday
08
Tuesday
09
Wed
10
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
3
3
2
1
2
1
1
0
1
1
1
0
0
0
0
0
1
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.6
ESE
2.5
SE
2.5
SE
2.1
SE
1.7
SE
1.4
SE
1.1
SE
0.7
SE
0.7
SSW
0.9
SSW
0.7
S
0.6
S
0.9
NNE
0.3
S
0.6
NE
0.4
SE
0.5
SSE
0.5
SSE
0.4
SSE
0.4
ENE
0.5
E
Period(s) (?)8910101010109121399697131110101312
Wave
Graph
(?)Metric surfscale
Energy kJ (?)28710461138842576392213831502867955481537496960385778
Wind
(km/h)
40
SSW
30
SSW
20
S
5
NNW
10
NE
5
NNE
10
NW
15
S
10
E
10
N
0
NNW
10
SW
15
NW
5
NNW
20
SW
10
NNE
5
N
0
S
5
NW
5
SE
10
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffcross-
off
crossoncross-
on
crosscross-
off
cross-
on
cross-
on
glassoffcrossglassoffcross-
on
cross-
on
glasscrosscrosson
High Tide
/ height (m)
4:23AM
1.63
4:49PM
1.52
5:20AM
1.70
5:47PM
1.54
6:18AM
1.75
6:45PM
1.55
7:16AM
1.77
7:43PM
1.54
8:13AM
1.75
8:41PM
1.52
9:10AM
1.71
9:38PM
1.49
10:06AM
1.66
Low Tide
/ height (m)
10:03PM
0.06
10:43AM
0.06
11:00PM
0.02
11:43AM
0.03
11:58PM
-0.00
12:43PM
0.01
12:57AM
-0.02
1:42PM
-0.00
1:55AM
-0.02
2:40PM
0.01
2:53AM
0.00
3:37PM
0.03
3:50AM
0.04
4:32PM
0.06
Thursday
04
Friday
05
Saturday
06
Sunday
07
Monday
08
Tuesday
09
Wed
10
Sunrise-5:41--5:41--5:41--5:41--5:41--5:41--5:41-
Sunset--8:45--8:46--8:47--8:49--8:49--8:50--8:51
rain showers
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
clear
cloud
cloud
cloud
part cloud
clear
clear
clear
clear
Rain (mm)
5--------------------
Temp. °C111415142223221916192526222420192525222222
Feels °C (?)4711121922201714182424192317182425212121
  • Map Icons:
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  • 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 12 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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