Clarence River surf break

Clarence River surfForecast / Kaikoura and Marlborough / New Zealand

information circle12 Day Weather and Surf, issued 6 am Wednesday 24 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
14.9° C
(Which is 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 25) at 4AM. The primary swell is predicted to be 0.8m and 9s period with a secondary swell of 0.3m and 5s. 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 Wednesday (Dec 31) at 1PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.1m 7s period and expected on Friday (Dec 26) at 1PM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+) 4AM (Thu 25th Dec)2.5ft (0.8m) 9s
Best Surf 7AM (Wed 31st Dec)6ft (1.8m) 9s
Most Powerful 1PM (Wed 31st 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 3mm), mostly falling on Thu night. Warm (max 21°C on Thu morning, min 13°C on Fri night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 92mm), heaviest during Mon afternoon. Very mild (max 16°C on Sun afternoon, min 10°C on Mon night). Winds increasing (calm on Sun night, fresh winds from the SSW by Mon night).

Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
2
1
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
1
2
Swell
Height Map
Wave Height (m) & direction (?)
1.2
SSE
1.1
SSE
0.9
S
0.7
SSE
0.9
SSE
0.6
SSE
0.4
SSE
0.9
NE
0.3
ENE
0.2
S
0.6
S
0.5
S
0.5
S
0.2
ENE
0.2
ENE
0.3
SSE
0.7
S
0.4
SE
0.9
E
1.2
E
1.5
E
Period(s) (?)109981099651455699789778
Wave
Graph
(?)Metric surfscale
Energy kJ (?)294201125681406526615161914208811602183150291
Wind
(km/h)
5
E
5
E
10
NNW
10
NE
5
NNW
10
NW
15
NNW
5
SW
10
WNW
10
SSE
5
SE
5
SSW
10
SSW
15
E
5
E
10
SE
25
S
30
SW
35
SW
35
SSW
25
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glasscross-
on
cross-
on
oncrosscrosscross-
on
offcross-
off
cross-
off
crossglasscross-
off
cross-
on
cross-
on
crosscross-
off
offoffoffoff
High Tide
/ height (m)
9:09PM
1.26
9:31AM
1.42
9:54PM
1.27
10:16AM
1.42
10:40PM
1.28
11:02AM
1.41
11:29PM
1.32
11:51AM
1.41
12:21AM
1.38
12:43PM
1.42
1:15AM
1.44
1:38PM
1.44
2:11AM
1.52
Low Tide
/ height (m)
3:13PM
0.27
3:16AM
0.26
3:56PM
0.25
4:01AM
0.25
4:39PM
0.24
4:48AM
0.24
5:23PM
0.21
5:38AM
0.23
6:10PM
0.19
6:31AM
0.21
6:59PM
0.15
7:28AM
0.18
7:52PM
0.12
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Sunrise5:45--5:46--5:46--5:47--5:48--5:48--5:48--
Sunset-9:00--9:00--9:00--9:01--9:01--9:01--9:01-
clear
clear
clear
clear
clear
rain showers
clear
clear
rain showers
rain showers
rain showers
part cloud
rain showers
part cloud
rain showers
mod rain
heavy rain
heavy rain
light rain
light rain
cloud
Rain (mm)
-----2--111-1-39314632-
Temp. °C192018212119202116151514151615141311101112
Feels °C (?)1819162120161719151314131313151396348
  • 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 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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