Castles Surf Break

Lat Long: 39.41° N 74.35° W

Castles Surf Forecast and Surf Report

Issued: 7 am 15 Aug 2026 (local time)

Forecast update in  hr  min

Today's Castles sea temperature is
25.6° C
2.2° 

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


Castles surf forecast from 15 Aug 2026:

  • Best quality surf: Monday 17 Aug, 11AM (local time) - 4ft (1.2m), 6s period, S swell with cross-offshore winds.
  • Most powerful swell: Monday 17 Aug, 5AM (local time) - 4.5ft (1.4m), 6s period, S swell with 119 kJ wave energy.
  • Next surfable swell (1★+): Monday 17 Aug, 11AM (local time) - 4ft (1.2m), 6s period with S swell.

Best Forecast Surf Conditions for Castles this week:

The surf forecast for Castles over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 17) at 11AM. The primary swell is predicted to be 1.2m and 6s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Castles in the next 16 days are 1.4m 6s and forecast to arrive on Monday (Aug 17) at 5AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Saturday (Aug 15) at 2PM.

Wave TypeTime (EDT) & Date Wave Height & Period
Next good surf (1 star+)11AM (Mon 17th Aug)4ft (1.2m) 6s
Best Surf11AM (Mon 17th Aug)4ft (1.2m) 6s
Most Powerful 5AM (Mon 17th Aug)4.5ft (1.4m) 6s

Table - best surf conditions forecast for Castles over the next 16 days.


The Lowdown

Alright, Rusty here again. Let’s talk feet and miles per hour. It’s a long, flat slog at Castles, no two ways about it. This sandbar is usually a decent beginner spot, but the next 16 days are mostly a bust. We’ve got a big gap of nothing until Monday the 17th, and then another long lull until the very end of the forecast window. Brace yourselves.

Saturday the 15th and Sunday the 16th are dead – 1ft to 2ft south slop with short intervals and cross-onshore breezes. Water temp is 78°, which is 4° warmer than usual – much warmer than normal, but you won’t need it because there’s no surf.

Monday the 17th morning sees a 4ft south swell with a 6-second period. The energy is weak (142), but the wind is light offshore from the NW, so it’s glassy. The report calls it “surfable but very ordinary.” It’s a 1 out of 10 – tiny, weak, and fat.

Then it goes back to junk. Tuesday the 18th through Monday the 24th are all 0.5ft to 3ft with onshore winds. There’s a brief clean window Thursday the 20th morning with a light offshore breeze from the north, but the swell is only 1ft, energy at 24. Not worth it.

Tuesday the 25th and Wednesday the 26th morning bring a 4ft south swell, 6-second period, light cross-offshore wind from the west, clean. Energy hits 126. Still a 1 out of 10 – small and ordinary.

Now, the standout: Friday the 28th of August morning. We’ve got an 8ft swell from the east-northeast, 7-second period, and energy at 631 – that’s strong. The wind is light cross-offshore from the north-northeast, keeping it clean. This is the biggest swell of the outlook. Anything over 8ft is expert-only, so this is for the brave. The short period means it’ll be lumpy and walled on the sandbar, but for power, this is it. Still only a 1 out of 10, labelled “marginal.” Saturday the 29th drops to 7ft from the same direction, but the wind goes cross-onshore, killing the quality.

By Sunday the 30th, we’re back to 4ft from the east, energy at 148, with a gentle cross-shore breeze. Rideable but nothing special.

Bottom line: beginners, stay home. The only true standouts for experienced surfers are Friday the 28th morning – that 8ft east-northeast swell with clean, light offshore wind is the most energy we get (631). It’s big, raw, and the best on offer, but it’s short-period and marginal. Everything else is flat or messy. Keep an eye on the long-range – things can change, but right now, it’s a waiting game.

Rusty.

Short Range Forecast

Moderate rain (total 12mm), heaviest on Sun night. Warm (max 29°C on Mon afternoon, min 20°C on Sun afternoon). Winds increasing (light winds from the S on Sat night, fresh winds from the SSE by Sun night).

Days 4-6 Weather Summary

Moderate rain (total 12mm), heaviest on Thu night. Warm (max 27°C on Wed afternoon, min 22°C on Tue morning). Wind will be generally light.

Saturday
15
Sunday
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
1
0
1
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
Wave
Height (m)
Direction
Period (s)
0.3
SE
9
0.3
SE
9
0.2
ESE
9
0.3
SE
9
0.7
S
4
1.3
S
5
1.2
S
6
0.9
SSE
6
1
SSE
7
0.8
SSE
7
0.5
SE
8
0.4
SE
11
0.6
SE
10
0.4
SE
9
0.4
ESE
9
0.4
SE
8
0.4
SE
8
0.4
ESE
8
1.2
ENE
5
1.1
ENE
5
1.2
ENE
6
Wave Graph
Metric surfscale
Energy kJ
13
12
8
12
12
83
92
56
91
59
28
29
60
30
30
18
18
26
63
72
94
Wind (km/h)
20
NE
15
ESE
10
SSE
20
S
20
S
30
S
15
WSW
10
W
15
NW
10
N
15
SSE
15
WNW
10
SSW
25
SSW
20
SW
10
SW
5
ENE
15
NNE
20
NE
15
ENE
25
E
Wind State
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-off
cross-off
off
cross-off
on
off
cross-on
cross-on
cross
cross
glassy
cross-off
cross
cross
cross-on
High Tide
11:08AM1.30m
11:21PM1.32m
11:54AM1.29m
00:06AM1.21m
12:40PM1.26m
00:52AM1.10m
1:27PM1.22m
1:39AM1.01m
2:14PM1.18m
2:27AM0.92m
3:06PM1.14m
3:26AM0.87m
4:08PM1.13m
4:37AM0.84m
Low Tide
5:09PM0.02m
5:38AM0.00m
6:00PM0.10m
6:22AM0.08m
6:54PM0.18m
7:06AM0.16m
7:48PM0.24m
7:50AM0.22m
8:43PM0.30m
8:35AM0.28m
9:43PM0.34m
9:27AM0.32m
10:49PM0.35m
clear
clear
clear
part cloud
light rain
mod rain
thunderstorm
part cloud
clear
clear
clear
clear
clear
clear
rain showers
thunderstorm
thunderstorm
rain showers
rain showers
cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:09
6:09
6:11
6:11
6:13
6:13
6:15
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:52
7:52
7:50
7:49
7:47
7:45
7:45
 mm
2
8
2
1
1
4
6
1
1
Temp °C
24
24
24
24
24
24
25
29
28
26
26
26
25
27
25
25
26
23
23
23
23
Feels °C
24
24
25
25
22
24
27
31
29
27
27
27
26
25
24
28
30
24
24
24
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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Information about the Castles Surf forecast

The above surf forecast table for Castles provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Castles can be found by selecting the local surf guide option on the grey menu. Our Castles surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Castles) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Castles may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Castles is 8 km (5 miles) from Atlantic City. If you plan a vacation in New Jersey, look for hotels and other accommodation in Atlantic City. Atlantic City has rooms for a wide range of budgets as well as car hire and transport links.

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