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Surf Forecasts:

Castles Beach surf break

Castles Beach surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 1 am Tuesday 28 Apr 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
24.8° C
 (Which is normal for this time of year)

How big are the waves at Castles Beach today?

The current surf forecast for Castles Beach at 6AM is: 1.3m 7s primary swell from a East-northeast direction and 0.4m 8s secondary swell from a Northeast direction (forecast issued at 01:00am April 28). An open ocean swell of 0.4m 10s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (HST) & DateWave HeightWave Period
Morning (28 Apr)4.5ft (1.3m)7s
Afternoon (28 Apr)4ft (1.2m)7s
Evening (28 Apr)4.5ft (1.3m)7s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table

Short Range Forecast

Mostly dry. Warm (max 24°C on Tue afternoon, min 23°C on Tue morning). Mainly fresh winds.

Tuesday
28
Wednesday
29
Thursday
30
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
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
1.5
ENE
7
1.4
ENE
7
1.3
ENE
7
1.2
ENE
7
1.1
ENE
7
1.2
ENE
7
1.3
ENE
7
1.4
ENE
7
1.5
ENE
7
1.5
ENE
7
1.4
ENE
7
1.4
ENE
7
1.3
ENE
7
1.3
ENE
7
1.3
ENE
6
1.4
ENE
6
1.5
ENE
6
1.4
ENE
6
1.7
ENE
6
1.7
ENE
7
1.7
ENE
7
1.7
ENE
7
1.7
ENE
7
1.9
ENE
7
Wave Graph
Metric surfscale
Energy kJ
206
181
141
124
114
132
149
173
210
204
181
176
149
144
108
124
155
165
219
249
257
257
249
307
Wind (km/h)
25
ENE
25
ENE
20
ENE
20
E
20
ENE
25
ENE
25
ENE
30
ENE
30
ENE
30
ENE
30
ENE
25
ENE
25
NE
25
NE
30
ENE
30
ENE
30
ENE
35
ENE
35
ENE
35
ENE
30
ENE
30
ENE
30
ENE
35
ENE
Wind State
on
on
on
on
cross-on
cross-on
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
on
on
High Tide
00:15AM0.66m
1:29PM0.71m
00:39AM0.62m
2:01PM0.77m
1:02AM0.59m
2:32PM0.82m
Low Tide
6:48AM0.15m
7:20PM0.35m
7:06AM0.12m
8:06PM0.36m
7:25AM0.09m
8:48PM0.37m
clear
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
6:01
—
—
—
—
—
—
—
6:01
—
—
—
—
—
—
—
6:00
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
6:54
—
—
—
—
—
—
—
6:54
—
—
—
—
—
—
—
6:54
—
—
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Temp °C
23
23
23
23
24
24
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
Feels °C
21
22
22
22
23
23
21
20
20
20
20
20
21
20
20
20
20
19
19
19
20
20
19
19
Swell 1
Height (m)
Direction
Period (s)
0.4
NNW
10
0.4
NNW
10
0.4
NNW
10
0.4
NNW
10
0.4
NNW
10
0.4
NW
14
0.4
NW
13
0.4
NW
13
0.6
NW
13
0.6
NW
13
0.6
NW
14
0.6
NW
14
0.6
NW
14
0.6
NW
14
0.7
NW
13
0.7
NW
13
0.7
NW
12
0.7
NW
12
0.8
NNW
12
0.8
NNW
12
0.9
NNW
12
0.9
NNW
12
0.9
NNW
13
0.9
NNW
13
Energy kJ
42
42
41
40
39
46
62
61
103
128
160
162
160
149
178
170
159
152
187
180
218
226
265
269
Swell 2
Height (m)
Direction
Period (s)
0.2
NNE
10
0.4
NE
8
0.4
NE
8
0.4
NE
8
0.4
NE
8
0.4
NW
10
0.4
NW
10
0.4
NE
8
0.3
NE
9
0.3
NE
10
0.2
NNE
10
0.3
NE
10
0.3
NE
10
0.3
NE
9
0.3
NE
9
0.4
NE
9
0.4
NE
9
0.4
NE
9
0.1
SE
10
0.4
NE
8
0.2
S
16
0.2
S
16
0.3
NNW
7
0.3
NE
10
Energy kJ
9
18
17
18
16
25
24
17
13
14
9
15
15
14
13
21
21
20
4
18
20
20
10
16
Swell 3
Height (m)
Direction
Period (s)
0.1
NE
8
0.1
NW
16
0.2
NNW
15
0.3
NW
15
0.3
NW
14
0.2
NNE
9
0.4
NE
8
0.4
NW
10
0.1
SE
11
0.1
SE
11
0.1
SE
11
0.1
SE
11
0.1
SE
11
0.1
SE
10
0.1
SE
10
0.1
SE
10
0.1
SE
10
0.1
SE
10
0.1
S
12
0.1
S
17
0.1
SE
10
0.1
S
12
0.3
NE
10
0.2
S
16
Energy kJ
3
10
22
33
32
8
17
24
5
5
5
5
4
4
4
4
4
4
3
5
4
3
16
21
Wind waves
Height (m)
Direction
Period (s)
1.5
ENE
7
1.4
ENE
7
1.3
ENE
7
1.2
ENE
7
1.1
ENE
7
1.2
ENE
7
1.3
ENE
7
1.4
ENE
7
1.5
ENE
7
1.5
ENE
7
1.4
ENE
7
1.4
ENE
7
1.3
ENE
7
1.3
ENE
7
1.3
ENE
6
1.4
ENE
6
1.5
ENE
6
1.4
ENE
6
1.7
ENE
6
1.7
ENE
7
1.7
ENE
7
1.7
ENE
7
1.7
ENE
7
1.9
ENE
7
Energy kJ
206
181
141
124
114
132
149
173
210
204
181
176
149
144
108
124
155
165
219
249
257
257
249
307
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Keaulanas
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Nanakuli Blackrocks
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Keaulanas
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Keaau
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Aligator Rock
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Keaulanas
HAW - Oahu
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
2
2
2
2
1
2
1
2
2
2
2
2
2
3
Distance (km)
41
41
19
41
41
41
41
41
41
41
41
41
41
42
41
41
41
41
45
45
42
51
42
42
Best forecast wave conditions in Oahu
Ranches
Ranches
Ranches
Ranches
Off the Wall/Insanities
Yokohama Bay
Ranches
Ranches
Off the Wall/Insanities
Off the Wall/Insanities
Ranches
Ranches
Pokai Bay
Keaulanas
Ranches
Ranches
Ranches
Ranches
Ranches
Ranches
Ranches
Ranches
Ranches
Kaena Point
Rating
(10 max)
2
2
1
1
2
2
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
3
Best forecast wave conditions in United States
Ghost Tree
CAL - Monterey
Ghost Tree
CAL - Monterey
Ranches
HAW - Oahu
Ranches
HAW - Oahu
Off the Wall/Insanities
HAW - Oahu
Fullers
CAL - Monterey
Boners
CAL - San Luis Obispo
Ghost Tree
CAL - Monterey
Lincoln City Nelscott Reef
Oregon North
Lincoln City Nelscott Reef
Oregon North
Ranches
HAW - Oahu
Ranches
HAW - Oahu
Elwha
Washington
Fullers
CAL - Monterey
Ranches
HAW - Oahu
Mouse Rock
CAL - San Luis Obispo
Mouse Rock
CAL - San Luis Obispo
Boners
CAL - San Luis Obispo
Ranches
HAW - Oahu
Ranches
HAW - Oahu
Ranches
HAW - Oahu
Ranches
HAW - Oahu
Ranches
HAW - Oahu
Fullers
CAL - Monterey
Rating
(10 max)
2
2
1
1
2
2
2
2
3
4
2
2
2
3
2
3
3
3
2
2
2
2
2
4
Header Global
Balimbing
Indonesia
Cobblestones
Australia
Trial Harbour
Australia
Trial Harbour
Australia
Yellow sands Point
South Africa
Amanzimtoti
South Africa
Haga-Haga
South Africa
Glen Eden
South Africa
Papatowai
New Zealand
Dunedin - Bobs Beach
New Zealand
Papatowai
New Zealand
Papatowai
New Zealand
Amanzimtoti
South Africa
Buchupureo
Chile
Lebu
Chile
Lebu
Chile
Airport Rights
New Zealand
Teniente (Lieutenant)
Chile
Boneyards
South Africa
Boneyards
South Africa
Boneyards
South Africa
Saint Leu
Reunion
Saint Leu
Reunion
Boneyards
South Africa
Rating
(10 max)
4
5
8
8
9
9
9
8
8
8
7
6
5
5
5
5
4
5
6
6
6
7
7
5
  • 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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