Castles Surf Break

Lat Long: 39.41° N 74.35° W

Castles Surf Forecast and Surf Report

Issued: 7 am 21 Aug 2026 (local time)

Forecast update in  hr  min

Today's Castles sea temperature is
26.2° C
3.2° 

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


Castles surf forecast from 21 Aug 2026:

  • Best quality surf: Friday 28 Aug, 8AM (local time) - 2ft (0.6m), 10s period, SE swell with glassy winds.
  • Most powerful swell: Friday 28 Aug, 8AM (local time) - 2ft (0.6m), 10s period, SE swell with 77 kJ wave energy.
  • Next surfable swell (1★+): Friday 28 Aug, 8AM (local time) - 2ft (0.6m), 10s period with SE 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 Friday (Aug 28) at 8AM. The primary swell is predicted to be 0.6m and 10s period with a secondary swell of 0.6m and 6s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Castles in the next 16 days are 0.6m 10s and forecast to arrive on Friday (Aug 28) at 8AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Monday (Aug 24) at 2PM.

Wave TypeTime (EDT) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Fri 28th Aug)2ft (0.6m) 10s
Best Surf 8AM (Fri 28th Aug)2ft (0.6m) 10s
Most Powerful 8AM (Fri 28th Aug)2ft (0.6m) 10s

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


The Lowdown

G’day, Rusty here. Let’s be straight about this next couple weeks – it’s a frustrating stretch. There’s hardly any surf at Castles, and it’s gonna be a long dry spell before we see anything worth paddling out for.

Right now and for a while, there’s no surf to chase. We’re looking at a big blank run from the start of the forecast, right through until at least the morning of Friday, August 28th. Waves barely hit 2 ft, with periods all over the shop. Don’t bother – it’s quiet. That run of poor conditions keeps going until we finally see a little pulse.

The only moment that’s worth a look is Friday morning, August 28th. That’s when we get a 2 ft swell from the SE, paired with a 10-second period. Combined energy hits 100 (moderate wave energy) – the highest number in this whole outlook. Wind is a light cross-onshore from the SSW at just 3 mph, so it’s rippled but not blown out. It’s a glimpse, not a guarantee, but it’s the best we’ve got. Castles (sandbar) is a fairly exposed beginner-friendly spot, and it can sometimes get a little crowded, but that’s not your worry today – the problem is the tiny swell. That SE direction is the optimum for the break, so the little energy there is will be lined up right.

For beginners, keep in mind the swell stays under 2 ft across the whole period, so even our best day is small and weak. Nothing here is dangerous; there’s just nothing to ride.

The water temp is sitting at 79°F, which is a huge 6°F warmer than normal for this time of year – feels like the tropics in August. That’s unusual. You won’t need anything thicker than a spring suit, if that.

After that Friday 28th morning, the waves just fade away again. Saturday and Sunday the 29th and 30th have more small and messy SE swell, around 2-2 ft, but periods drop to 7-8 seconds, and the wind gets more onshore. It’s a fizzer.

Once we hit the following week (Monday August 31st through to Saturday September 5th), there’s nothing but poor surf conditions across the board. Swell stays below 2 ft, periods are short, winds are moderate to fresh and cross-onshore. On Tuesday morning, September 1st, the wind howls from the SW at 16 mph – that’s kite surfing weather, not paddle surfing. Even with the cross-offshore wind and clean conditions on Wednesday September 2nd (2 ft, SE, 10-second period), it’s just not enough wave height to be worth your time.

To wrap it up: the pick of a very quiet window is Friday morning, August 28th at Castles, with a 2 ft SE groundswell and glassy-ish conditions. For the rest, I’m telling you – keep your board on the rack. The forecasts can change, but this stretch looks skinny and unexciting.

Rusty.

Short Range Forecast

Moderate rain (total 14mm), heaviest on Sat morning. Warm (max 28°C on Sun afternoon, min 19°C on Fri morning). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Warm (max 27°C on Tue afternoon, min 19°C on Tue morning). Wind will be generally light.

Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
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
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
Wave
Height (m)
Direction
Period (s)
0.4
SE
9
0.7
NE
6
0.7
NE
7
0.7
ENE
6
0.6
ENE
6
0.2
ESE
13
0.6
S
5
0.8
SSW
4
0.4
SE
12
0.4
SE
12
0.4
SE
12
0.4
SE
11
0.4
SE
11
0.4
SE
11
0.4
SE
11
0.3
SE
9
0.3
SE
9
0.4
SE
9
0.3
SE
10
0.4
SE
10
0.5
SE
9
Wave Graph
Metric surfscale
Energy kJ
20
31
44
36
28
17
16
18
36
35
34
30
29
29
29
12
12
22
15
23
41
Wind (km/h)
15
N
10
E
10
ENE
15
E
15
ESE
15
S
20
SW
20
W
15
W
5
WNW
15
SSW
15
WNW
20
NW
5
W
10
NW
5
SSW
20
S
15
SSE
15
SE
10
ESE
10
SE
Wind State
cross-off
cross-on
cross-on
cross-on
on
cross-on
cross
cross-off
cross-off
cross-off
cross
off
off
glassy
off
glassy
cross-on
on
on
on
on
High Tide
4:08PM1.13m
4:37AM0.84m
5:10PM1.15m
5:38AM0.87m
6:02PM1.19m
6:28AM0.91m
6:48PM1.24m
7:13AM0.97m
7:32PM1.29m
7:57AM1.03m
8:14PM1.32m
8:39AM1.10m
8:53PM1.34m
Low Tide
9:27AM0.32m
10:49PM0.35m
10:28AM0.33m
11:47PM0.33m
11:27AM0.31m
00:37AM0.28m
12:18PM0.27m
1:21AM0.23m
1:05PM0.23m
2:01AM0.17m
1:50PM0.18m
2:37AM0.12m
2:32PM0.14m
3:11AM0.08m
part cloud
clear
part cloud
mod rain
part cloud
rain showers
thunderstorm
thunderstorm
part cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:15
6:16
6:16
6:16
6:18
6:18
6:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:45
7:44
7:42
7:40
7:38
7:37
7:36
 mm
9
3
1
1
1
Temp °C
22
24
23
21
22
23
25
28
26
24
26
25
23
27
26
24
24
24
24
24
23
Feels °C
22
24
24
22
22
24
25
26
24
24
24
22
20
26
26
24
22
23
24
24
24
  • 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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