Castles Beach Surf Break

Lat Long: 21.42° N 157.74° W

Issued: 7 am 18 Jun 2026 (local time)

Forecast update in  hr  min

Today's Castles Beach sea temperature is
25.9° C

Normal for this time of year

Castles Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Castles Beach today (18 Jun):

  • Morning surf: Morning surf (18 Jun, local time) - 2ft (0.6m), 16s period with S swell.
  • Afternoon surf: Afternoon surf (18 Jun, local time) - 1.5ft (0.5m), 14s period with S swell.
  • Evening surf: Evening surf (18 Jun, local time) - 1.5ft (0.5m), 14s period with S swell.

The current surf forecast for Castles Beach at 4PM is: 0.5m 14s primary swell from a South direction and 0.5m 9s secondary swell from a Northeast direction, 0.7m 5s secondary swell from a East direction (forecast issued at 07:00am June 18). The wind direction is predicted to be onshore.

Time (HST) & DateWave HeightWave Period
Morning (18 Jun)2ft (0.6m)16s
Afternoon (18 Jun)1.5ft (0.5m)14s
Evening (18 Jun)1.5ft (0.5m)14s

Table - waves today at Castles Beach. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 26°C on Thu afternoon, min 24°C on Thu night). Wind will be generally light.

Thursday
18
Friday
19
Saturday
20
Sun
21
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
Rating
(10 max)
1
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
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
S
16
0.6
S
16
0.6
S
15
0.6
S
14
0.5
S
14
0.5
S
14
0.5
S
14
0.5
S
14
0.5
S
14
0.5
S
13
0.4
S
13
0.4
S
13
0.4
S
13
0.4
S
13
0.4
S
13
0.4
S
13
0.3
S
16
0.3
S
16
0.8
E
5
0.8
E
5
0.3
S
15
0.3
S
15
0.3
S
15
0.3
S
12
Wave Graph
Metric surfscale
Energy kJ
183
177
155
153
107
106
106
103
96
92
55
54
54
54
54
53
46
46
30
30
39
38
38
25
Wind (km/h)
10
ESE
5
SE
15
E
15
E
15
ENE
10
ENE
10
E
10
ESE
15
E
15
E
15
E
15
E
15
E
15
ENE
15
E
15
E
15
E
15
E
15
E
15
ENE
15
ENE
20
ENE
20
ENE
20
ENE
Wind State
on
glassy
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
cross-on
cross-on
on
on
High Tide
4:03AM0.42m
5:57PM0.86m
5:19AM0.41m
6:34PM0.79m
6:59AM0.42m
7:07PM0.72m
Low Tide
10:13AM0.10m
1:16AM0.33m
10:57AM0.20m
2:00AM0.30m
11:46AM0.32m
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:48
5:48
5:48
5:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:15
7:15
7:15
7:15
 mm
1
Temp °C
25
25
25
25
26
25
25
25
24
25
25
25
25
25
24
24
24
24
25
25
25
25
24
24
Feels °C
28
29
27
26
28
28
28
28
26
27
26
26
26
27
26
26
25
25
27
27
26
26
25
25
Swell 1
Height (m)
Direction
Period (s)
0.6
ENE
5
0.5
ENE
5
0.6
S
15
0.6
S
14
0.5
S
14
0.5
S
14
0.5
S
14
0.5
NE
9
0.5
NE
8
0.5
S
13
0.4
S
13
0.4
S
13
0.4
S
13
0.4
S
13
0.4
S
13
0.4
S
13
0.3
S
13
0.3
NE
7
0.3
S
12
0.3
S
12
0.3
S
12
0.3
ESE
6
0.3
NE
8
0.3
NE
8
Energy kJ
23
15
155
153
107
106
106
37
34
92
55
54
54
54
54
53
29
9
27
25
25
8
11
11
Swell 2
Height (m)
Direction
Period (s)
0.6
S
16
0.6
S
16
0.5
NE
9
0.4
NW
10
0.5
NE
9
0.5
NE
9
0.5
NE
9
0.5
S
14
0.5
S
14
0.4
NE
8
0.3
NE
6
0.3
NE
6
0.4
NE
8
0.4
NE
8
0.4
NE
8
0.4
NE
8
0.3
NE
8
0.3
S
13
0.3
NW
8
0.3
NW
8
0.3
S
15
0.3
S
15
0.3
ESE
7
0.3
ESE
7
Energy kJ
183
177
43
24
39
38
38
103
96
24
6
5
23
23
16
14
9
29
11
11
39
38
9
9
Swell 3
Height (m)
Direction
Period (s)
0.5
NE
10
0.5
NE
10
0.4
NW
10
0.2
N
9
0.4
NW
10
0.4
NW
10
0.3
NW
9
0.3
NW
9
0.3
NW
9
0.3
NW
9
0.3
NW
9
0.3
NW
9
0.3
NW
9
0.3
NW
9
0.3
NW
9
0.3
NW
8
0.3
S
16
0.3
S
16
0.2
S
16
0.2
S
16
0.3
NW
8
0.3
S
12
0.3
S
15
0.3
S
12
Energy kJ
45
45
25
6
24
23
14
13
13
13
13
13
13
12
12
11
46
46
20
20
10
25
38
25
Wind waves
Height (m)
Direction
Period (s)
0.8
E
5
0.7
ESE
5
0.7
E
5
0.8
ENE
5
0.7
E
5
0.7
E
5
0.6
E
5
0.7
E
5
0.7
E
5
0.8
E
5
0.9
E
5
1
E
5
0.9
E
5
0.8
E
5
0.8
E
5
0.8
E
5
0.8
E
5
0.8
E
5
0.8
E
5
0.8
E
5
0.7
E
5
0.6
E
5
0.6
E
5
0.6
E
4
Energy kJ
31
27
25
37
24
26
20
26
25
31
41
51
41
34
34
34
33
30
30
30
22
16
18
14
Nearest Offshore or Glassy
Rating
(10 max)
3
2
3
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
1
1
2
1
1
2
Distance (km)
15
0
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
18
41
41
18
18
18
18
Best forecast wave conditions in Oahu
Rating
(10 max)
3
3
3
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
1
1
2
2
2
2
Best forecast wave conditions in United States
Rating
(10 max)
3
3
3
2
2
2
3
3
3
2
3
3
2
2
2
3
3
2
3
3
3
4
4
3
Header Global
Rating
(10 max)
6
5
5
5
6
6
6
4
4
4
4
4
5
5
4
5
9
5
8
9
9
9
8
7
  • 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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