Castlepoint - Slippery surfForecast / Wairarapa / New Zealand

information circle12 Day Weather and Surf, issued 12 am Saturday 29 Nov 2025 NZDT
Forecast update in hr  min  s Forecast update imminent
Castlepoint - Slippery surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Castlepoint - Slippery sea temperature is
15.9° C
(Which is slightly warmer than usual)


Best Forecast Surf Conditions for Castlepoint - Slippery this week:

The surf forecast for Castlepoint - Slippery over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Nov 29) at 4AM. The primary swell is predicted to be 1.0m and 10s period with a secondary swell of 0.2m and 4s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Castlepoint - Slippery in the next 12 days are 3.5m 11s and forecast to arrive on Thursday (Dec 04) at 10PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 4s period and expected on Saturday (Nov 29) at 10AM.

Wave TypeTime (NZDT) & Date Wave Height & Period
Next good surf (1 star+) 4AM (Sat 29th Nov)3.5ft (1.0m) 10s
Best Surf 7PM (Thu 4th Dec)11ft (3.5m) 10s
Most Powerful10PM (Thu 4th Dec)11ft (3.5m) 11s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 23°C on Sat morning, min 14°C on Fri night). Mainly fresh winds.

Days 3-6 Weather Summary Heavy rain (total 23mm), heaviest during Wed afternoon. Warm (max 24°C on Tue morning, min 12°C on Thu morning). Winds increasing (light winds from the NW on Tue night, fresh winds from the SSW by Wed night).

Saturday
29
Sunday
30
Monday
01
Tuesday
02
Wednesday
03
Thursday
04
Fri
05
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
2
2
0
1
0
0
0
2
2
0
1
0
1
1
0
2
1
1
!
!
2
Swell
Height Map
Wave Height (m) & direction (?)
1
ENE
1
ENE
0.9
ENE
0.9
ENE
0.9
ENE
0.9
ENE
0.9
ENE
1.1
ENE
1.1
ENE
1
ENE
0.9
ENE
0.8
ENE
0.7
ENE
0.9
ENE
0.8
ENE
1
ENE
2
SSW
2.4
SSW
3
S
3.5
S
2.5
SSE
Period(s) (?)101010999910101010101099988111010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2082001481391331191302272372221671319412196147450840233523121248
Wind
(km/h)
10
NW
20
WNW
10
S
20
NW
20
NW
15
N
30
NNW
25
WNW
5
WSW
25
NW
15
NNW
15
NW
5
NW
5
NE
20
NNE
10
WNW
35
SW
30
WSW
25
SW
5
W
15
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffcrossoffcross-
off
cross-
off
cross-
off
offglasscross-
off
cross-
off
cross-
off
offglasscrossoffcross-
off
cross-
off
cross-
off
offcross-
on
High Tide
/ height (m)
12:08AM
1.18
12:34PM
1.26
12:54AM
1.22
1:22PM
1.29
1:45AM
1.28
2:13PM
1.33
2:39AM
1.35
3:09PM
1.37
3:36AM
1.44
4:08PM
1.40
4:33AM
1.52
5:10PM
1.42
5:32AM
1.59
6:11PM
1.43
Low Tide
/ height (m)
6:12AM
0.13
6:54PM
0.10
6:59AM
0.12
7:37PM
0.10
7:50AM
0.11
8:25PM
0.10
8:47AM
0.10
9:17PM
0.11
9:48AM
0.09
10:16PM
0.11
10:52AM
0.07
11:18PM
0.10
11:57AM
0.05
Saturday
29
Sunday
30
Monday
01
Tuesday
02
Wednesday
03
Thursday
04
Fri
05
Sunrise-5:39--5:37--5:37--5:37--5:37--5:37--5:37-
Sunset--8:27--8:28--8:29--8:30--8:30--8:31--8:32
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
part cloud
clear
part cloud
light rain
light rain
rain showers
rain showers
mod rain
rain showers
part cloud
clear
clear
Rain (mm)
------------1210262---
Temp. °C162320152121202221162424181818171213131716
Feels °C (?)151918121818171920112121171717176871513
  • 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 Castlepoint - Slippery Surf forecast

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

Are you planning a holiday in The Wairarapa? If you are looking for accommodation near Castlepoint - Slippery, camping, hotels and holiday cottages in The Wairarapa, consider staying in Masterton which is 49 km (30 miles) away. Other places in and around The Wairarapa where you can find information about places to rent, and car hire include Palmerston North which is 78 km (48 miles) away and Levin, 85 km (53 miles) away.

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