Castlepoint - The Gap Surf Break

Lat Long: 40.91° S 176.22° E

Castlepoint - The Gap 48 hour detailed Surf Forecast

Issued: 11 am 20 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.


How big are the waves at Castlepoint - The Gap today (20 Sep):

  • Morning surf: Morning surf (20 Sep, local time) - 7.5ft (2.3m), 7s period with SSW swell.
  • Afternoon surf: Afternoon surf (20 Sep, local time) - 11ft (3.5m), 10s period with SSW swell.
  • Evening surf: Evening surf (20 Sep, local time) - 16ft (5.0m), 12s period with SSW swell.

The current surf forecast for Castlepoint - The Gap at 7PM is: 3.5m 11s primary swell from a South direction and 0.4m 11s secondary swell from a Southeast direction, 0.2m 10s secondary swell from a East-northeast direction (forecast issued at 11:00am September 20). The wind direction is predicted to be cross-offshore.

Time (NZST) & DateWave HeightWave Period
Morning (20 Sep)7.5ft (2.3m)7s
Afternoon (20 Sep)11ft (3.5m)10s
Evening (20 Sep)16ft (5.0m)12s

Table - waves today at Castlepoint - The Gap. (Swell directed towards the surf break)


Short Range Forecast

Moderate rain (total 11mm), heaviest on Tue morning. Very mild (max 15°C on Mon afternoon, min 6°C on Sun night). Winds decreasing (strong winds from the WNW on Mon night, light winds from the NW by Tue night).

Sun
20
Monday
21
Tuesday
22
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
0
0
1
0
!
3
4
4
3
1
1
1
1
1
0
0
0
0
1
3
2
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)
2.3
SSW
7
3
SSW
9
3.5
SSW
10
3.5
S
11
5
SSW
12
4
S
13
3
S
13
2.5
S
12
2.3
S
12
2
S
11
1.7
S
10
1.5
S
10
1.4
S
13
1.3
S
12
1.2
S
12
1
S
12
0.9
S
11
1.6
SSW
5
2.1
S
8
2.5
SSW
9
1.8
S
9
Wave Graph
Metric surfscale
Energy kJ
558
1676
2143
3076
7754
4943
3530
2210
1395
935
598
434
633
488
396
266
188
133
523
908
471
Wind (km/h)
40
SW
40
SSW
35
SSW
35
SSW
30
SW
15
WSW
10
WNW
15
NW
25
NW
30
WNW
25
WNW
25
WNW
30
WNW
35
WNW
50
WNW
45
WNW
25
WSW
35
SSW
20
SW
10
WSW
10
NW
Wind State
cross-off
cross
cross-off
cross
cross-off
cross-off
off
off
off
off
off
off
off
off
off
off
cross-off
cross
cross-off
cross-off
off
High Tide
11:58AM1.24m
00:15AM1.15m
12:40PM1.22m
00:57AM1.12m
1:21PM1.21m
Low Tide
6:22PM0.17m
6:24AM0.22m
7:01PM0.16m
7:01AM0.21m
7:38PM0.17m
light rain
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
cloud
light rain
light rain
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:07
6:07
6:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:08
6:09
6:10
 mm
4
5
2
Temp °C
9
11
11
10
9
7
6
6
10
14
15
12
12
12
13
13
12
8
8
8
6
Feels °C
1
1
2
1
2
2
2
2
4
8
9
6
5
5
3
4
7
0
3
5
3
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
How to use the Wavefinder 

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