Diamond Beach Surf Break

Lat Long: 38.96° N 74.85° W

Diamond Beach 48 hour detailed Surf Forecast

Issued: 1 am 18 Aug 2026 (local time)

Forecast update in  hr  min

Today's Diamond Beach sea temperature is
24.8° C
1.4° 

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


How big are the waves at Diamond Beach today (18 Aug):

  • Morning surf: Morning surf (18 Aug, local time) - 1.5ft (0.4m), 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) - 1ft (0.3m), 11s period with SE swell.

The current surf forecast for Diamond Beach at 5AM is: 0.3m 6s primary swell from a South-southeast direction and 0.1m 9s secondary swell from a Southeast direction (forecast issued at 01:00am August 18). The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (18 Aug)1.5ft (0.4m)6s
Afternoon (18 Aug)1.5ft (0.5m)7s
Evening (18 Aug)1ft (0.3m)11s

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


Short Range Forecast

Heavy rain (total 21mm), heaviest during Thu afternoon. Warm (max 29°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)
0.3
SSE
6
0.3
SSE
6
0.4
SE
6
0.4
SE
6
0.5
SE
7
0.3
SE
12
0.4
SE
6
0.3
SE
11
0.5
SE
11
0.5
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
9
0.4
SE
9
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.2
ESE
9
0.2
ESE
8
0.2
ESE
8
0.2
ESE
8
0.2
ESE
8
0.2
ESE
8
Wave Graph
Metric surfscale
Energy kJ
7
7
11
14
22
22
12
19
56
53
35
34
33
22
21
12
12
12
7
7
7
7
7
7
Wind (km/h)
10
WNW
10
N
10
NE
10
NE
5
E
10
ESE
10
SE
10
SSE
10
SSW
10
W
10
WNW
15
W
15
WNW
10
WSW
15
SSW
15
SSW
15
SSW
10
SW
10
S
15
S
10
SSW
20
NNW
20
NNE
25
NNE
Wind State
off
cross-off
cross-off
cross
cross-on
cross-on
on
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-on
cross
cross
cross
cross-on
cross-on
cross-on
off
cross-off
cross-off
High Tide
00:53AM1.34m
1:28PM1.47m
1:42AM1.23m
2:16PM1.42m
2:32AM1.15m
3:04PM1.37m
Low Tide
6:35AM0.13m
7:14PM0.26m
7:19AM0.23m
8:13PM0.33m
8:12AM0.32m
9:17PM0.36m
thunderstorm
clear
clear
part cloud
part cloud
clear
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
part cloud
thunderstorm
thunderstorm
mod rain
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:15
6:16
6:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:50
7:49
7:47
 mm
1
1
2
11
6
1
Temp °C
26
24
24
25
24
25
24
25
25
24
24
25
28
29
28
27
26
26
26
27
27
26
21
20
Feels °C
29
27
27
29
28
28
26
28
28
26
25
25
26
28
28
28
28
29
28
28
30
27
21
19
  • 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 Diamond Beach 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.


Nearest locationNearest