40th Street Surf Break

Lat Long: 26.42° N 80.06° W

40th Street 48 hour detailed Surf Forecast

Issued: 1 pm 16 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 (16 Sep):

  • Morning surf: Morning surf (16 Sep, local time) - 1.5ft (0.5m), 4s period with E swell.
  • Afternoon surf: Afternoon surf (16 Sep, local time) - 1.5ft (0.5m), 5s period with NNE swell.
  • Evening surf: Evening surf (16 Sep, local time) - 4.5ft (1.4m), 7s period with NE swell.

The current surf forecast for 40th Street at 7PM is: 1.4m 8s primary swell from a Northeast direction and 0.9m 7s secondary swell from a North-northeast direction, 0.1m 8s secondary swell from a East direction (forecast issued at 01:00pm September 16). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (16 Sep)1.5ft (0.5m)4s
Afternoon (16 Sep)1.5ft (0.5m)5s
Evening (16 Sep)4.5ft (1.4m)7s

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


Short Range Forecast

Heavy rain (total 35mm), heaviest during Fri night. Warm (max 30°C on Wed afternoon, min 26°C on Fri night). Wind will be generally light.

Wed
16
Thursday
17
Friday
18
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
1
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
NE
4
0.5
NNE
5
0.9
NNE
7
1.4
NE
8
1.6
NE
7
1.6
NE
7
1.6
NE
7
1.6
NE
7
1.5
NE
7
1.6
NE
7
1.5
NE
7
1.3
NE
7
1.3
NE
8
1.1
NE
8
1.1
NE
8
1.1
NE
8
1
NE
7
1
NE
7
0.9
NE
7
0.9
NE
7
0.8
NE
7
Wave Graph
Metric surfscale
Energy kJ
6
15
94
204
262
246
247
221
225
260
237
194
179
147
143
143
107
107
91
89
64
Wind (km/h)
15
E
20
E
20
ENE
25
ENE
25
ENE
20
E
20
ENE
20
ENE
25
ENE
25
ENE
25
ENE
20
ENE
20
ENE
15
ENE
15
ENE
10
ENE
15
ENE
15
E
20
E
0
SSW
5
SSW
Wind State
on
on
on
cross-on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
on
on
on
on
on
glassy
glassy
High Tide
12:34PM0.91m
00:40AM0.86m
1:20PM0.86m
1:27AM0.82m
2:13PM0.82m
Low Tide
6:49PM0.31m
7:10AM0.24m
7:39PM0.37m
8:06AM0.29m
8:38PM0.41m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
clear
thunderstorm
thunderstorm
thunderstorm
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:05
7:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:22
7:22
7:21
 mm
2
4
2
1
1
2
2
2
2
1
2
1
1
1
1
2
2
5
Temp °C
29
30
29
28
28
27
27
27
28
28
28
28
28
28
28
28
29
29
29
26
26
Feels °C
32
31
30
28
29
28
28
28
28
28
28
29
30
30
30
31
31
31
29
30
29
  • 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 

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