The Castle Surf Break

Lat Long: 39.41° N 74.36° W

The Castle 48 hour detailed Surf Forecast

Issued: 1 pm 18 Aug 2026 (local time)

Forecast update in  hr  min

Today's The Castle sea temperature is
25.6° C
2.4° 

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


How big are the waves at The Castle today (18 Aug):

  • Morning surf: Morning surf (18 Aug, local time) - 1.5ft (0.5m), 6s period with SE swell.
  • Afternoon surf: Afternoon surf (18 Aug, local time) - 1.5ft (0.5m), 7s period with SE swell.
  • Evening surf: Evening surf (18 Aug, local time) - 1.5ft (0.5m), 7s period with SE swell.

The current surf forecast for The Castle at 7PM is: 0.5m 7s primary swell from a Southeast direction and 0.1m 11s secondary swell from a Southeast direction (forecast issued at 01:00pm August 18). The wind direction is predicted to be onshore.

Time (EDT) & DateWave HeightWave Period
Morning (18 Aug)1.5ft (0.5m)6s
Afternoon (18 Aug)1.5ft (0.5m)7s
Evening (18 Aug)1.5ft (0.5m)7s

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


Short Range Forecast

Light rain (total 4mm), mostly falling on Thu morning. Warm (max 30°C on Wed afternoon, min 22°C on Thu night). Wind will be generally light.

Tue
18
Wednesday
19
Thursday
20
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.5
SE
7
0.5
SE
7
0.5
SE
7
0.5
SE
7
0.5
SE
7
0.3
SE
11
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.3
ESE
8
0.4
SE
8
0.2
ESE
8
0.2
ESE
8
Wave Graph
Metric surfscale
Energy kJ
21
23
23
22
22
18
17
16
15
15
14
13
13
20
20
20
19
14
18
7
7
Wind (km/h)
10
ENE
15
ESE
10
ESE
10
SE
10
SSE
10
SW
10
WSW
10
WNW
10
WSW
15
SSW
20
SW
15
SW
10
SW
10
SW
15
WSW
10
WNW
10
NNE
15
ENE
20
NE
15
ENE
5
NE
Wind State
cross
cross-on
on
on
cross-on
cross
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross
cross-off
off
cross-off
cross-on
cross
cross
cross
High Tide
1:27PM1.22m
1:39AM1.01m
2:14PM1.18m
2:27AM0.92m
3:06PM1.14m
Low Tide
7:48PM0.24m
7:50AM0.22m
8:43PM0.30m
8:35AM0.28m
9:43PM0.34m
part cloud
part cloud
clear
clear
cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
cloud
rain showers
light rain
light rain
rain showers
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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
1
1
Temp °C
24
24
25
24
25
25
24
23
27
29
30
28
27
27
25
23
24
24
24
23
23
Feels °C
27
26
28
26
28
28
27
26
28
29
28
27
28
27
24
23
25
24
24
24
25
  • 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 The Castle 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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