Diamond Beach Surf Break

Lat Long: 38.96° N 74.85° W

Diamond Beach 48 hour detailed Surf Forecast

Issued: 1 am 12 Sep 2026 (local time)

Forecast update in  hr  min

Today's Diamond Beach sea temperature is
24.8°C
3.1° 

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 (12 Sep):

  • Morning surf: Morning surf (12 Sep, local time) - 1ft (0.3m), 9s period with SE swell.
  • Afternoon surf: Afternoon surf (12 Sep, local time) - 1.5ft (0.4m), 9s period with SE swell.
  • Evening surf: Evening surf (12 Sep, local time) - 2.5ft (0.8m), 4s period with SE swell.

The current surf forecast for Diamond Beach at 9AM is: 0.3m 9s primary swell from a Southeast direction and 0.3m 4s secondary swell from a East direction (forecast issued at 01:00am September 12). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (12 Sep)1ft (0.3m)9s
Afternoon (12 Sep)1.5ft (0.4m)9s
Evening (12 Sep)2.5ft (0.8m)4s

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


Short Range Forecast

Moderate rain (total 15mm), heaviest on Sat night. Warm (max 27°C on Sun afternoon, min 18°C on Mon morning). Mainly fresh winds.

Saturday
12
Sunday
13
Monday
14
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
SE
9
0.3
SE
9
0.3
SE
9
0.4
SE
9
0.4
SE
9
0.7
SE
4
0.8
SE
4
1
SE
4
1.1
SE
5
0.9
SSE
5
0.8
SSE
5
0.6
SE
5
0.3
SE
10
0.3
SE
10
0.4
SE
10
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.8
NE
5
0.3
SE
9
0.3
SE
9
Wave Graph
Metric surfscale
Energy kJ
12
12
13
29
29
14
24
36
51
38
26
15
15
14
23
22
22
21
21
21
21
32
12
12
Wind (km/h)
10
E
10
E
15
E
20
SE
20
SE
20
SE
20
SE
25
SE
15
SW
15
SW
15
W
15
W
10
WNW
10
NW
5
NNW
0
WNW
5
WSW
15
WNW
30
N
25
N
20
N
20
N
15
NNE
25
NNE
Wind State
cross-on
cross-on
cross-on
on
on
on
on
on
cross
cross
cross-off
cross-off
cross-off
off
cross-off
glassy
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
9:48AM1.68m
10:02PM1.59m
10:31AM1.66m
10:45PM1.49m
11:15AM1.60m
Low Tide
3:22AM-0.13m
3:42PM-0.05m
4:02AM-0.08m
4:26PM-0.01m
4:39AM-0.01m
5:08PM0.07m
clear
clear
part cloud
part cloud
clear
part cloud
cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
part cloud
clear
clear
clear
cloud
cloud
light rain
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:37
6:37
6:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:13
7:10
7:09
 mm
4
4
3
1
1
2
Temp °C
22
22
22
23
23
23
23
23
24
24
23
23
25
27
27
26
25
24
21
18
23
24
23
20
Feels °C
22
21
20
20
21
22
23
23
25
26
25
25
27
29
30
30
27
25
18
15
20
20
20
15
  • 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.


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