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Castlepoint - The Gap surf break

Castlepoint - The Gap surfForecast / Wairarapa / New Zealand

information circle16 Day Weather and Surf, issued 5 pm Monday 20 Apr 2026 NZST
Forecast update in hr  min  s Forecast update imminent
Castlepoint - The Gap surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Castlepoint - The Gap sea temperature is
15.7° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Castlepoint - The Gap this week:

The surf forecast for Castlepoint - The Gap over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Apr 23) at 9PM. The primary swell is predicted to be 1.2m and 8s period with a secondary swell of 0.9m and 9s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Castlepoint - The Gap in the next 16 days are 5.5m 11s and forecast to arrive on Tuesday (Apr 21) at 3PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Monday (Apr 27) at 3AM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Thu 23rd Apr)4ft (1.2m) 8s
Best Surf 9PM (Thu 23rd Apr)4ft (1.2m) 8s
Most Powerful 3PM (Tue 21st Apr)18ft (5.5m) 11s

Table - best surf conditions forecast for Castlepoint - The Gap over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 156mm), heaviest during Mon afternoon. Very mild (max 15°C on Mon afternoon, min 11°C on Tue morning). Winds decreasing (near gales from the S on Tue morning, light winds from the SW by Thu morning).

Days 3-6 Weather Summary Mostly dry. Very mild (max 16°C on Sat afternoon, min 9°C on Thu night). Winds increasing (calm on Fri morning, fresh winds from the NW by Sat night).

Mon
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
0
0
0
2
1
2
1
2
1
1
0
1
0
1
2
1
Swell
Height Map
Wave Height (m) & direction (?)
1.3
SSE
4
SSE
5
SSE
5.5
SSE
5
SSE
3
ESE
4
SSE
2.2
ESE
1.9
S
1.6
S
1.1
S
1.4
SSE
1.4
SSE
1.2
S
1.1
S
1.3
S
0.9
SSW
0.8
SSW
1
S
0.9
SSW
0.5
SSW
Period(s) (?)6101011111110108889889101412101614
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1063256530267935451217131101042499358161268277204175361336167183437104
Wind
(km/h)
25
SE
50
SSE
55
S
55
S
50
S
50
S
40
S
30
SSW
20
SW
15
SSW
10
WNW
10
WNW
5
E
10
WNW
15
WNW
20
NW
30
NW
25
WNW
20
WNW
15
WNW
15
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on
cross-
on
crosscross-
on
cross-
on
crosscrosscross-
off
crossoffoffglassoffoffcross-
off
offoffoffoffoff
High Tide
/ height (m)
7:41PM
1.56
8:19AM
1.42
8:36PM
1.59
9:14AM
1.42
9:32PM
1.58
10:07AM
1.41
10:28PM
1.55
10:59AM
1.38
11:25PM
1.50
11:52AM
1.34
12:21AM
1.44
12:47PM
1.30
1:15AM
1.39
Low Tide
/ height (m)
2:14AM
0.00
2:30PM
0.03
3:12AM
-0.05
3:24PM
-0.02
4:06AM
-0.08
4:19PM
-0.06
4:59AM
-0.09
5:13PM
-0.07
5:50AM
-0.09
6:06PM
-0.06
6:40AM
-0.05
7:00PM
-0.03
7:28AM
0.00
Mon
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Sunrise--6:50--6:50--6:52--6:52--6:54--6:54--6:56
Sunset5:37--5:36--5:35--5:32--5:31--5:30--5:29--
thunderstorm
thunderstorm
heavy rain
heavy rain
heavy rain
light rain
rain showers
light rain
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
3338362517232-------------
Temp. °C151512111212111112131013141115161316161518
Feels °C (?)119212323898111291313711121217
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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 - The Gap Surf forecast

The above surf forecast table for Castlepoint - The Gap provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Castlepoint - The Gap can be found by selecting the local surf guide option on the grey menu. Our Castlepoint - The Gap 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 - The Gap) 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 - The Gap 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 - The Gap, camping, hotels and holiday cottages in The Wairarapa, consider staying in Masterton which is 48 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 80 km (50 miles) away and Levin, 86 km (53 miles) away.

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