Riversdale surf break

Riversdale surfForecast / Wairarapa / New Zealand

information circle12 Day Weather and Surf, issued 12 am Sunday 28 Dec 2025 NZDT
Forecast update in hr  min  s Forecast update imminent
Riversdale surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Riversdale sea temperature is
16.4° C
(Which is normal for this time of year)


Best Forecast Surf Conditions for Riversdale this week:

The surf forecast for Riversdale over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Dec 30) at 7PM. The primary swell is predicted to be 3.5m and 9s period with a secondary swell of 1.1m and 8s. The wind is predicted to be onshore as the swell arrives.

The most powerful waves expected at Riversdale in the next 12 days are 4.5m 9s and forecast to arrive on Tuesday (Dec 30) at 1PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 6s period and expected on Wednesday (Dec 31) at 7AM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+) 7PM (Tue 30th Dec)11ft (3.5m) 9s
Best Surf 7PM (Tue 30th Dec)11ft (3.5m) 9s
Most Powerful 1PM (Tue 30th Dec)15ft (4.5m) 9s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 60mm), heaviest during Tue morning. Very mild (max 18°C on Sun morning, min 11°C on Sat night). Winds increasing (calm on Sat night, fresh winds from the SE by Tue morning).

Days 3-6 Weather Summary Light rain (total 5mm), mostly falling on Tue night. Warm (max 22°C on Thu morning, min 14°C on Tue night). Wind will be generally light.

Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
01
Friday
02
Sat
03
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
2
3
2
1
1
0
1
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.3
NE
0.4
NE
0.4
NE
0.4
ENE
0.9
ESE
1.2
ESE
2.5
SE
4
ESE
4
ESE
2.4
SE
1.1
SSW
1.3
E
1.3
ENE
1.8
NE
1.1
ENE
0.8
ENE
0.6
ENE
0.9
SSW
1.1
S
1.1
S
1.1
S
Period(s) (?)67664579109108888886677
Wave
Graph
(?)Metric surfscale
Energy kJ (?)61391433726222113299188126021920140816169425291110124
Wind
(km/h)
5
WNW
5
SE
10
E
5
E
20
SE
25
SE
35
SE
35
SE
25
ESE
15
W
0
W
10
SSE
5
NE
20
NNE
30
NNW
10
WNW
10
SSW
20
S
15
S
15
S
15
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassglassononononcross-
on
cross-
on
oncross-
off
glasscross-
on
crosscrosscross-
off
offcrosscrosscross-
on
crosscross-
on
High Tide
/ height (m)
11:42PM
1.30
12:03PM
1.39
12:33AM
1.35
12:56PM
1.40
1:27AM
1.41
1:51PM
1.42
2:23AM
1.48
2:49PM
1.43
3:21AM
1.55
3:47PM
1.46
4:19AM
1.61
4:46PM
1.48
5:17AM
1.66
5:44PM
1.49
Low Tide
/ height (m)
5:51AM
0.22
6:24PM
0.18
6:44AM
0.20
7:13PM
0.15
7:41AM
0.17
8:06PM
0.12
8:39AM
0.14
9:01PM
0.09
9:39AM
0.10
9:58PM
0.06
10:39AM
0.07
10:56PM
0.03
11:39AM
0.04
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
01
Friday
02
Sat
03
Sunrise-5:43--5:43--5:43--5:45--5:46--5:47--5:47-
Sunset--8:50--8:50--8:50--8:51--8:51--8:51--8:51
clear
clear
clear
part cloud
cloud
light rain
heavy rain
heavy rain
heavy rain
light rain
cloud
light rain
rain showers
part cloud
part cloud
clear
part cloud
cloud
light rain
cloud
cloud
Rain (mm)
-----32616153-11-----1--
Temp. °C141818151717131417161717162220181816141415
Feels °C (?)1314161313137917151716151916151713121112
  • 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 Riversdale Surf forecast

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

Riversdale is 38 km (24 miles) from Masterton. If you plan a holiday in The Wairarapa, look for hotels and other accommodation in Masterton. Masterton has rooms for a wide range of budgets as well as car hire and transport links.

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