Castles Beach surf break

Castles Beach surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 1 am Monday 01 Jun 2026 HST
Forecast update in hr  min  s Forecast update imminent
Castles Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Castles Beach sea temperature is
25.1° C
(Which is normal for this time of year)

How big are the waves at Castles Beach today (01 Jun):

  • Morning surf: Morning surf (01 Jun, local time) - 4ft (1.2m), 8s period with ENE swell.
  • Afternoon surf: Afternoon surf (01 Jun, local time) - 1.5ft (0.5m), 18s period with S swell.
  • Evening surf: Evening surf (01 Jun, local time) - 4ft (1.2m), 7s period with ENE swell.

The current surf forecast for Castles Beach at 10AM is: 1.1m 8s primary swell from a East direction and 0.4m 7s secondary swell from a East-northeast direction (forecast issued at 01:00am June 01). An open ocean swell of 0.5m 10s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (HST) & DateWave HeightWave Period
Morning (01 Jun)4ft (1.2m)8s
Afternoon (01 Jun)1.5ft (0.5m)18s
Evening (01 Jun)4ft (1.2m)7s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 7mm), mostly falling on Mon night. Warm (max 24°C on Mon morning, min 23°C on Mon morning). Mainly fresh winds.

Monday
1
Tuesday
2
Wednesday
3
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
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
0
0
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 MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1
ENE
7
0.7
E
8
1.2
ENE
8
1.1
E
8
0.5
S
18
1.1
ENE
7
1.1
ENE
7
0.5
S
17
0.5
S
16
0.4
SSW
20
0.5
S
20
1.4
ENE
6
0.5
S
19
0.7
S
19
0.7
S
18
0.6
S
18
0.5
S
18
1.6
E
6
1.7
E
7
1.8
E
7
1.7
E
7
1.5
E
7
1.6
E
6
1.8
E
6
Wave Graph
Metric surfscale
Energy kJ
111
58
173
157
160
140
136
146
135
128
194
132
192
347
307
225
158
215
255
286
255
199
215
276
Wind (km/h)
20
ENE
25
ENE
20
ENE
20
ENE
20
ENE
25
ENE
25
ENE
25
ENE
25
ENE
20
ENE
20
ENE
20
ENE
25
ENE
25
ENE
20
ENE
25
E
20
E
25
E
25
E
25
E
25
E
30
ENE
30
ENE
35
ENE
cross-on
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
on
on
on
on
High Tide
1:34AM0.45m
4:05PM0.84m
2:01AM0.44m
4:42PM0.83m
2:27AM0.43m
5:19PM0.81m
Low Tide
8:16AM0.05m
11:08PM0.41m
8:48AM0.06m
11:55PM0.41m
9:19AM0.09m
light rain
rain showers
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
rain showers
rain showers
rain showers
part cloud
part cloud
part cloud
rain showers
rain showers
rain showers
rain showers
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
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:08
7:08
7:09
2
1
1
1
1
1
1
1
1
Temp °C
23
23
23
24
24
24
24
23
23
24
24
24
24
24
24
24
24
24
24
24
24
24
23
23
23
22
22
24
24
24
24
22
22
24
24
24
24
24
25
24
24
24
24
23
23
22
21
20
Swell 1
Height (m)
Direction
Period (s)
0.6
E
8
0.7
E
8
0.5
N
10
0.5
N
10
0.5
S
18
0.5
N
9
0.5
N
9
0.5
E
8
0.5
S
16
0.4
SSW
20
0.5
S
16
0.5
S
16
0.6
N
12
0.8
NNW
11
0.8
NNW
11
0.8
NNW
10
0.7
NNW
10
0.7
NNW
10
0.6
NNW
10
0.6
S
16
0.6
S
16
0.6
S
16
0.6
S
16
0.6
S
16
Energy kJ
45
58
50
49
160
45
42
33
135
128
131
132
103
164
158
144
104
102
72
190
186
183
183
181
Swell 2
Height (m)
Direction
Period (s)
0.5
N
10
0.5
N
10
0.4
SSW
18
0.4
ENE
7
0.5
N
10
0.4
SSW
18
0.4
SSW
17
0.5
S
17
0.4
NNW
9
0.4
NNW
9
0.5
S
20
0.5
N
12
0.5
S
16
0.7
S
19
0.7
S
18
0.6
S
18
0.5
S
18
0.5
S
17
0.6
S
17
0.6
NNW
9
0.6
NNW
9
0.6
NNW
9
0.6
NNW
9
0.5
NNW
10
Energy kJ
53
50
114
20
48
103
101
146
27
26
194
76
129
347
307
225
158
154
212
68
66
65
68
54
Swell 3
Height (m)
Direction
Period (s)
0.4
SSW
14
0.4
NE
7
0.3
SSW
14
0.4
SSW
18
0.3
N
7
0.3
SSW
13
0.3
S
21
0.4
NNW
9
0.4
ESE
8
0.4
SSW
16
0.4
NNW
9
0.4
SSW
20
0.5
S
19
0.1
S
9
0.1
S
9
0.4
SSW
14
0.4
SSW
14
0.4
SSW
14
0.1
SE
10
0.1
SE
10
0.2
SSE
7
0.2
SSE
7
0.3
N
12
Energy kJ
69
14
40
107
10
35
80
27
21
86
26
127
192
2
2
69
70
69
4
4
5
5
25
Wind waves
Height (m)
Direction
Period (s)
1
ENE
7
0.9
ENE
5
1.2
ENE
8
1.1
E
8
1.1
E
7
1.1
ENE
7
1.1
ENE
7
1.1
ENE
5
1.2
ENE
6
1.3
ENE
6
1.4
ENE
6
1.4
ENE
6
1.3
ENE
6
1.3
ENE
6
1.4
ENE
6
1.4
ENE
6
1.4
ENE
6
1.6
E
6
1.7
E
7
1.8
E
7
1.7
E
7
1.5
E
7
1.6
E
6
1.8
E
6
Energy kJ
111
38
173
157
134
140
136
66
87
109
118
122
113
121
135
135
155
215
255
286
255
199
215
276
Nearest Offshore or Glassy
Rating
(10 max)
3
3
3
3
3
3
3
3
3
3
4
4
4
3
4
4
4
3
3
3
1
1
3
3
Distance (km)
18
18
18
19
18
18
18
41
41
18
18
18
41
41
18
41
18
18
41
41
42
45
41
45
Best forecast wave conditions in Oahu
Rating
(10 max)
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
4
4
4
4
1
1
3
3
Best forecast wave conditions in United States
Rating
(10 max)
4
4
4
3
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
2
2
4
4
Header Global
Rating
(10 max)
4
7
9
5
5
4
4
4
6
4
5
5
5
5
4
4
5
5
5
5
5
5
5
5
  • 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

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