Castles Surf Break

Lat Long: 39.41° N 74.35° W

Castles 48 hour detailed Surf Forecast

Issued: 1 am 18 Aug 2026 (local time)

Forecast update in  hr  min

Today's Castles sea temperature is
25.6° C
2.4° 

Castles 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 today (18 Aug):

  • Morning surf: Morning surf (18 Aug, local time) - 2ft (0.6m), 6s period with SSE swell.
  • Afternoon surf: Afternoon surf (18 Aug, local time) - 2.5ft (0.7m), 7s period with SSE swell.
  • Evening surf: Evening surf (18 Aug, local time) - 2ft (0.6m), 7s period with SSE swell.

The current surf forecast for Castles at 5AM is: 0.5m 6s primary swell from a South-southeast direction and 0.3m 9s secondary swell from a Southeast direction (forecast issued at 01:00am August 18). The wind direction is predicted to be cross-shore.

Time (EDT) & DateWave HeightWave Period
Morning (18 Aug)2ft (0.6m)6s
Afternoon (18 Aug)2.5ft (0.7m)7s
Evening (18 Aug)2ft (0.6m)7s

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


Short Range Forecast

Light rain (total 7mm), mostly falling on Thu afternoon. Warm (max 31°C on Wed afternoon, min 19°C on Thu night). Wind will be generally light.

Tuesday
18
Wednesday
19
Thursday
20
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 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
SSE
6
0.5
SSE
6
0.5
SSE
6
0.6
SSE
7
0.7
SSE
7
0.7
SSE
7
0.6
SSE
7
0.4
SE
11
0.4
SE
11
0.4
SE
10
0.4
SE
10
0.3
SE
10
0.5
SE
10
0.4
SE
9
0.4
SE
7
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
Wave Graph
Metric surfscale
Energy kJ
30
22
23
29
41
41
30
30
29
27
25
17
45
22
13
28
28
20
19
18
18
18
18
18
Wind (km/h)
10
NE
10
NE
15
ENE
15
NE
10
E
10
ESE
10
SE
10
S
10
SW
15
W
10
WNW
10
W
15
SW
15
WSW
15
W
15
SW
15
SW
10
WSW
10
SW
15
S
15
SSW
20
N
25
NNE
25
NNE
Wind State
cross
cross
cross
cross
cross-on
cross-on
on
cross-on
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross
cross
cross-off
cross
cross-on
cross
cross-off
cross-off
cross-off
High Tide
00:52AM1.10m
1:27PM1.22m
1:39AM1.01m
2:14PM1.18m
2:27AM0.92m
3:06PM1.14m
Low Tide
7:06AM0.16m
7:48PM0.24m
7:50AM0.22m
8:43PM0.30m
8:35AM0.28m
9:43PM0.34m
rain showers
clear
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
clear
thunderstorm
thunderstorm
light rain
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:11
6:13
6:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:49
7:47
7:45
 mm
1
1
4
2
Temp °C
24
24
23
24
24
24
24
24
24
23
23
27
29
31
29
27
26
25
25
26
27
23
21
20
Feels °C
27
27
25
26
26
26
26
26
26
24
23
27
28
29
27
26
27
27
27
27
28
24
20
18
  • 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 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Castles surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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