Castles Beach Surf Break

Lat Long: 21.42° N 157.74° W

Castles Beach 48 hour detailed Surf Forecast

Issued: 7 am 18 Oct 2026 (local time)

Forecast update in  hr  min

Today's Castles Beach sea temperature is
27.0°C
0.2° 

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

Surf Forecasts:

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

  • Morning surf: Morning surf (18 Oct, local time) - 7ft (2.1m), 7s period with ENE swell.
  • Afternoon surf: Afternoon surf (18 Oct, local time) - 7ft (2.1m), 7s period with ENE swell.
  • Evening surf: Evening surf (18 Oct, local time) - 7.5ft (2.3m), 7s period with ENE swell.

The current surf forecast for Castles Beach at 2PM is: 2.1m 7s primary swell from a East-northeast direction (forecast issued at 07:00am October 18). An open ocean swell of 1.0m 12s is not directed at the surf break, a second open ocean swell of 0.4m 14s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (HST) & DateWave HeightWave Period
Morning (18 Oct)7ft (2.1m)7s
Afternoon (18 Oct)7ft (2.1m)7s
Evening (18 Oct)7.5ft (2.3m)7s

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

16 DaysHourly
Print Table

Short Range Forecast

Mostly dry. Warm (max 25°C on Sun morning, min 24°C on Sun night). Mainly strong winds.

Sunday
18
Monday
19
Tuesday
20
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
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)
2.1
ENE
7
2.1
ENE
7
2
ENE
7
2.1
ENE
7
2.2
ENE
7
2.3
ENE
7
2.4
ENE
7
2.4
ENE
8
2.3
ENE
8
2.2
ENE
8
2.2
ENE
8
2.2
ENE
8
2.2
ENE
8
2.3
ENE
8
2.4
ENE
8
2.2
ENE
8
2.1
ENE
8
2.2
ENE
8
2.2
ENE
8
2.3
ENE
8
2.4
ENE
8
2.3
ENE
8
2.3
ENE
8
Wave Graph
Metric surfscale
Energy kJ
397
408
373
397
433
557
621
637
604
555
555
570
555
621
672
555
495
540
540
621
654
588
574
Wind (km/h)
40
ENE
35
ENE
40
ENE
35
ENE
40
ENE
40
ENE
40
ENE
40
E
35
ENE
35
ENE
40
E
35
ENE
35
ENE
40
ENE
40
ENE
35
ENE
35
E
40
ENE
40
ENE
35
ENE
35
ENE
35
ENE
35
E
Wind State
on
cross-on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
cross-on
on
on
High Tide
9:40AM0.67m
10:32AM0.69m
11:06PM0.39m
11:07AM0.70m
Low Tide
1:22AM0.30m
6:29PM0.32m
3:37AM0.32m
6:17PM0.28m
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
clear
clear
part cloud
clear
part cloud
part cloud
clear
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:26
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6:28
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6:28
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<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
6:04
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6:02
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6:01
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 mm
—
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—
—
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—
—
—
—
—
—
—
—
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—
—
—
—
—
—
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Temp °C
25
25
25
25
25
25
25
24
24
25
25
25
25
25
25
25
25
25
25
25
25
24
25
Feels °C
21
21
21
21
21
20
21
20
20
22
21
22
22
21
20
22
22
20
21
22
21
20
21
  • 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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View detailed surf forecast for Castles Beach at:
surf-forecast.com

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