Castlepoint - The Gap Surf Break

Lat Long: 40.91° S 176.22° E

Castlepoint - The Gap Surf Forecast and Surf Report

Issued: 11 pm 22 Sep 2026 (local time)

Forecast update in  hr  min

Today's Castlepoint - The Gap sea temperature is
12.7°C
0.2° 

Castlepoint - The Gap surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Castlepoint - The Gap surf forecast from 22 Sep 2026:

  • Best quality surf: Tuesday 29 Sep, 10PM (local time) - 8ft (2.5m), 18s period, S swell with cross-offshore winds.
  • Most powerful swell: Wednesday 30 Sep, 7AM (local time) - 10ft (3.0m), 16s period, S swell with 4,371 kJ wave energy.
  • Next surfable swell (1★+): Thursday 24 Sep, 6AM (local time) - 6.5ft (2.0m), 9s period with S swell.

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 (Sep 24) at 6AM. The primary swell is predicted to be 2.0m and 9s period with a secondary swell of 1.8m 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 3.0m 16s and forecast to arrive on Wednesday (Sep 30) at 7AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 8s period and expected on Monday (Sep 28) at 1AM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Thu 24th Sep)6.5ft (2.0m) 9s
Best Surf10PM (Tue 29th Sep)8ft (2.5m) 18s
Most Powerful 7AM (Wed 30th Sep)10ft (3.0m) 16s

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


Short Range Forecast

Some drizzle, heaviest during Wed morning. Very mild (max 12°C on Fri morning, min 5°C on Wed night). Winds decreasing (fresh winds from the SSW on Tue night, calm by Thu afternoon).

Days 5-7 Weather Summary

Moderate rain (total 19mm), heaviest on Sun afternoon. Very mild (max 16°C on Sun morning, min 5°C on Sun night). Winds decreasing (strong winds from the NW on Sat night, calm by Mon afternoon).

Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sunday
27
Monday
28
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
0
0
1
2
2
1
2
2
2
2
0
0
0
0
1
2
3
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.2
S
8
1.9
S
8
2
S
8
1.8
S
9
2.3
SSW
10
1.9
S
10
1.3
S
9
0.7
SSW
15
1.2
S
14
0.9
SSW
13
0.8
ESE
13
0.8
ESE
13
0.8
ESE
12
0.7
SE
12
0.8
ESE
14
1.8
S
8
1.7
S
9
1.8
SSW
13
2
S
14
Wave Graph
Metric surfscale
Energy kJ
172
413
533
505
963
669
264
228
557
286
195
183
177
140
257
412
495
1058
1668
Wind (km/h)
20
WNW
30
SSW
30
S
20
SW
15
WSW
15
S
10
WNW
5
W
10
SE
10
NW
5
NNW
20
NNE
25
NNW
35
WNW
35
SSW
15
SW
15
NW
5
N
20
NNW
Wind State
off
cross
cross
cross-off
cross-off
cross-on
off
glassy
cross-on
off
cross-off
cross
cross-off
off
cross
cross-off
off
glassy
cross-off
High Tide
1:41AM1.10m
2:02PM1.20m
2:27AM1.09m
2:47PM1.19m
3:14AM1.10m
3:34PM1.20m
4:04AM1.13m
4:26PM1.21m
4:55AM1.17m
5:22PM1.23m
5:49AM1.23m
6:19PM1.26m
Low Tide
7:41AM0.20m
8:17PM0.18m
8:24AM0.20m
9:00PM0.20m
9:13AM0.20m
9:51PM0.23m
10:08AM0.20m
10:49PM0.25m
11:05AM0.20m
11:49PM0.25m
12:05PM0.19m
00:44AM0.22m
part cloud
light rain
part cloud
part cloud
clear
clear
clear
part cloud
clear
clear
clear
clear
part cloud
cloud
heavy rain
rain showers
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:03
6:01
6:00
5:58
6:56
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:12
6:13
6:14
6:15
7:15
6:16
 mm
1
15
4
Temp °C
8
9
9
7
11
11
8
12
11
9
14
15
14
16
9
8
12
14
9
Feels °C
1
2
1
1
6
6
5
8
8
7
9
9
7
10
1
2
9
11
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 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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