40th Street Surf Break

Lat Long: 26.42° N 80.06° W

40th Street 48 hour detailed Surf Forecast

Issued: 7 pm 17 Sep 2026 (local time)

Forecast update in  hr  min

Today's 40th Street sea temperature is
30.7°C
1.8° 

40th Street surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at 40th Street today (17 Sep):

  • Afternoon surf: Afternoon surf (17 Sep, local time) - 4.5ft (1.4m), 7s period with NE swell.
  • Evening surf: Evening surf (17 Sep, local time) - 4.5ft (1.3m), 8s period with NE swell.

The current surf forecast for 40th Street at 10PM is: 1.3m 8s primary swell from a Northeast direction and 0.1m 9s secondary swell from a East direction (forecast issued at 07:00pm September 17). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (17 Sep)--
Afternoon (17 Sep)4.5ft (1.4m)7s
Evening (17 Sep)4.5ft (1.3m)8s

Table - waves today at 40th Street. (Swell directed towards the surf break)


Short Range Forecast

Heavy rain (total 27mm), heaviest during Fri afternoon. Warm (max 30°C on Sat afternoon, min 25°C on Fri afternoon). Wind will be generally light.

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
1
1
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)
1.4
NE
7
1.3
NE
7
1.3
NE
8
1.2
NE
8
1.1
NE
8
1.1
NE
7
1
NE
7
0.9
NE
7
0.9
NE
7
0.9
NE
7
0.8
NE
7
0.7
NE
7
0.6
NE
7
0.6
NE
7
0.6
NE
7
0.6
NE
7
0.6
NE
7
0.5
NE
7
0.5
NE
7
Wave Graph
Metric surfscale
Energy kJ
215
194
200
164
143
121
107
91
79
77
62
51
38
37
37
36
28
22
21
Wind (km/h)
20
NE
20
NE
15
ENE
15
E
10
E
10
E
10
ENE
15
ENE
15
ENE
5
N
5
NE
0
NNE
5
NNW
5
NE
5
ESE
10
ESE
10
E
10
ENE
10
E
Wind State
cross-on
cross-on
cross-on
on
on
on
on
on
cross-on
glassy
glassy
glassy
cross-off
cross-on
on
cross-on
on
on
on
High Tide
1:27AM0.82m
2:13PM0.82m
2:20AM0.79m
3:13PM0.80m
Low Tide
7:39PM0.37m
8:06AM0.29m
8:38PM0.41m
9:07AM0.31m
9:43PM0.42m
thunderstorm
thunderstorm
thunderstorm
clear
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
cloud
clear
clear
clear
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:05
7:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:22
7:21
7:20
 mm
2
1
1
1
3
15
3
1
1
Temp °C
28
28
28
28
28
28
29
29
25
26
26
26
26
26
29
30
29
29
28
Feels °C
29
29
30
30
31
31
31
31
27
30
29
30
29
29
32
32
30
31
31
  • 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 40th Street 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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