Diamond Beach Surf Break

Lat Long: 38.96° N 74.85° W

Diamond Beach 48 hour detailed Surf Forecast

Issued: 7 pm 17 Sep 2026 (local time)

Forecast update in  hr  min

Today's Diamond Beach sea temperature is
23.5°C
2.4° 

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 Sep):

  • Morning surf: Morning surf (18 Sep, local time) - 2.5ft (0.7m), 4s period with SSW swell.
  • Afternoon surf: Afternoon surf (18 Sep, local time) - 1ft (0.3m), 7s period with E swell.
  • Evening surf: Evening surf (18 Sep, local time) - 0.5ft (0.2m), 7s period with E swell.

The current surf forecast for Diamond Beach at 1AM is: 0.8m 4s primary swell from a South-southwest direction and 0.3m 7s secondary swell from a East direction, 0.1m 12s secondary swell from a Southeast direction (forecast issued at 07:00pm September 17). The wind direction is predicted to be cross-shore.

Time (EDT) & DateWave HeightWave Period
Morning (18 Sep)2.5ft (0.7m)4s
Afternoon (18 Sep)1ft (0.3m)7s
Evening (18 Sep)0.5ft (0.2m)7s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Thu night. Warm (max 26°C on Fri afternoon, min 19°C on Sat night). Winds increasing (calm on Fri afternoon, fresh winds from the NE by Sat morning).

Thu
17
Friday
18
Saturday
19
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
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
E
8
0.8
S
4
0.8
S
4
0.8
SSW
4
0.6
SSW
4
0.7
SSW
4
0.3
E
7
0.3
E
7
0.4
E
7
0.2
E
7
0.2
ESE
12
0.2
ESE
12
0.9
NE
4
1.3
ENE
5
1.3
ENE
6
1.2
E
6
1.3
E
6
1.3
E
7
1.2
E
7
Wave Graph
Metric surfscale
Energy kJ
11
18
21
21
13
16
8
8
15
6
14
14
24
90
109
98
123
150
146
Wind (km/h)
25
S
25
S
25
SSW
25
SW
15
SW
10
W
10
NNW
0
NNE
10
ENE
10
NE
15
NNE
25
NNE
30
NE
35
NE
35
ENE
30
ENE
25
ENE
25
E
25
E
Wind State
cross-on
cross-on
cross
cross
cross
cross-off
off
glassy
cross-on
cross
cross-off
cross-off
cross-off
cross
cross
cross
cross-on
cross-on
cross-on
High Tide
1:59AM1.12m
2:23PM1.34m
2:53AM1.08m
3:16PM1.31m
Low Tide
7:28PM0.34m
7:19AM0.38m
8:33PM0.38m
8:27AM0.43m
9:39PM0.38m
clear
clear
clear
rain showers
clear
cloud
part cloud
cloud
part cloud
rain showers
cloud
part cloud
part cloud
cloud
part cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:43
6:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:05
7:02
7:00
 mm
1
1
Temp °C
25
24
23
22
22
22
25
26
26
25
24
22
20
20
20
20
20
19
20
Feels °C
23
22
21
21
22
24
28
30
28
27
25
20
16
15
15
16
16
15
17
  • 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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