Riversdale surf break

Riversdale surfForecast / Wairarapa / New Zealand

information circle16 Day Weather and Surf, issued 11 pm Tuesday 19 May 2026 NZST
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
13.3° C
(Which is 1.2°C colder than average for this time of year)

Best Forecast Surf Conditions for Riversdale this week:

The surf forecast for Riversdale over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (May 20) at 9AM. The primary swell is predicted to be 0.5m and 8s period with a secondary swell of 0.3m and 4s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Riversdale in the next 16 days are 1.8m 17s and forecast to arrive on Monday (May 25) at 3AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Saturday (May 23) at 3PM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+) 9AM (Wed 20th May)1.5ft (0.5m) 8s
Best Surf 9AM (Sun 24th May)5ft (1.5m) 16s
Most Powerful 3AM (Mon 25th May)6ft (1.8m) 17s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 17°C on Thu afternoon, min 8°C on Tue night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Very mild (max 16°C on Mon afternoon, min 10°C on Sun night). Wind will be generally light.

Wednesday
20
Thursday
21
Friday
22
Saturday
23
Sunday
24
Monday
25
Tue
26
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
1
1
1
0
0
0
0
0
0
2
2
1
2
4
2
4
4
4
3
2
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
SSE
8
0.5
S
8
0.4
SSE
9
0.4
ENE
5
0.4
NE
5
0.2
S
13
0.3
S
11
0.9
SSE
5
0.9
SSE
5
0.8
SSW
13
1.2
SSW
13
1
SSW
12
0.9
SSW
11
1.5
SSW
16
1.6
SSW
15
1.7
S
17
1.7
S
16
1.6
S
14
1.4
S
13
1.4
S
13
1.3
S
12
Wave Graph
Metric surfscale
Energy kJ
54
37
26
9
9
13
22
42
42
198
461
308
187
999
1137
1729
1422
1063
683
623
518
Wind (km/h)
10
N
10
NNW
10
N
10
NNW
15
NNW
15
NW
10
W
10
ESE
10
NE
10
N
5
NW
10
SSW
5
SW
5
ENE
15
ENE
15
N
15
N
15
N
15
NNW
20
N
10
WNW
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
on
cross-on
cross-off
off
cross
cross-off
glassy
cross-on
cross-off
cross-off
cross-off
cross-off
cross-off
off
High Tide
7:46AM1.52m
8:14PM1.71m
8:44AM1.51m
9:11PM1.68m
9:41AM1.48m
10:09PM1.63m
10:39AM1.45m
11:05PM1.57m
11:36AM1.41m
00:01AM1.50m
12:32PM1.38m
00:54AM1.44m
1:25PM1.36m
Low Tide
1:42AM-0.02m
1:57PM-0.01m
2:40AM-0.02m
2:55PM0.01m
3:37AM-0.00m
3:52PM0.03m
4:34AM0.03m
4:49PM0.07m
5:29AM0.06m
5:46PM0.12m
6:23AM0.10m
6:41PM0.16m
7:14AM0.15m
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
clear
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
mod rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:20
7:20
7:22
7:22
7:24
7:24
7:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:02
5:01
5:00
5:00
5:00
4:59
4:58
8
Temp °C
12
13
16
11
16
17
15
12
12
12
15
14
12
13
13
11
14
16
14
16
13
10
11
13
8
12
13
12
10
9
10
14
12
12
11
11
9
11
13
11
12
12
Swell 1
Height (m)
Direction
Period (s)
0.6
SSE
8
0.5
S
8
0.4
SSE
9
0.4
ENE
5
0.4
NE
5
0.4
NE
6
0.3
S
11
0.9
SSE
5
0.9
SSE
5
0.8
SSW
13
1.2
SSW
13
1
SSW
12
0.9
SSW
11
1.5
SSW
16
1.6
SSW
15
1.7
S
17
1.7
S
16
1.6
S
14
1.4
S
13
1.4
S
13
1.3
S
12
Energy kJ
54
37
26
9
7
8
22
42
42
198
461
308
187
999
1137
1729
1422
1063
683
623
518
Swell 2
Height (m)
Direction
Period (s)
0.5
ENE
4
0.3
ENE
4
0.3
ENE
4
0.2
SSE
8
0.2
SSE
10
0.2
S
13
0.2
ENE
5
0.3
S
10
0.4
S
10
0.6
SSW
9
0.3
ESE
4
0.4
NE
12
0.5
S
13
0.7
NE
12
0.8
ENE
11
0.8
ENE
11
0.8
ENE
11
0.8
ENE
10
0.9
ENE
11
0.9
ENE
11
0.8
ENE
10
Energy kJ
11
3
4
7
9
13
3
18
31
61
3
34
83
152
163
146
143
141
180
176
121
Swell 3
Height (m)
Direction
Period (s)
0.3
ENE
9
0.3
ENE
9
0.2
ENE
9
0.2
ENE
8
0.2
ENE
9
0.1
NE
9
0.1
E
9
0.2
ENE
6
0.3
NE
6
0.6
ESE
4
0.3
NE
10
0.2
ESE
4
0.5
SSW
13
0.3
S
11
0.6
ENE
5
0.5
S
17
0.9
ENE
11
0.3
SSW
12
Energy kJ
17
16
8
7
8
3
2
3
5
13
16
1
93
21
17
142
161
29
Wind waves
Height (m)
Direction
Period (s)
0.7
NE
4
0.6
NE
4
0.4
NW
3
0.2
WNW
2
0.3
NE
5
0.7
SW
4
0.6
ENE
4
0.6
NE
5
0.9
NE
5
Energy kJ
16
12
2
1
4
14
10
17
36
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
2
2
2
2
4
2
4
4
4
3
3
3
Distance (km)
0
0
0
199
236
235
104
64
64
0
0
62
0
0
82
0
0
0
24
29
0
Best forecast wave conditions in The Wairarapa
Rating
(10 max)
1
1
1
1
2
3
3
2
3
4
4
4
4
4
4
3
3
Best forecast wave conditions in New Zealand
Rating
(10 max)
2
2
2
1
2
4
4
4
4
3
4
5
9
6
4
4
4
4
4
3
4
Header Global
Rating
(10 max)
4
5
5
4
4
4
4
5
5
7
5
5
9
6
5
5
4
4
4
4
4
  • 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 16 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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