40th Street Surf Break

Lat Long: 26.42° N 80.06° W

40th Street 48 hour detailed Surf Forecast

Issued: 1 am 09 Aug 2026 (local time)

Forecast update in  hr  min

Today's 40th Street sea temperature is
29.9° C
0.4° 

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 (09 Aug):

  • Morning surf: Morning surf (09 Aug, local time) - 2.5ft (0.7m), 4s period with ESE swell.
  • Afternoon surf: Afternoon surf (09 Aug, local time) - 2.5ft (0.7m), 4s period with SE swell.
  • Evening surf: Evening surf (09 Aug, local time) - 2.5ft (0.7m), 4s period with ESE swell.

The current surf forecast for 40th Street at 6AM is: 0.4m 8s primary swell from a Northeast direction and 0.3m 5s secondary swell from a Northeast direction, 0.6m 4s secondary swell from a Southeast direction (forecast issued at 01:00am August 09). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (09 Aug)2.5ft (0.7m)4s
Afternoon (09 Aug)2.5ft (0.7m)4s
Evening (09 Aug)2.5ft (0.7m)4s

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


Short Range Forecast

Some drizzle, heaviest during Sun afternoon. Warm (max 30°C on Sun morning, min 28°C on Sun night). Wind will be generally light.

Sunday
9
Monday
10
Tuesday
11
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)
0.4
NE
8
0.4
NE
8
0.7
ESE
4
0.8
ESE
4
0.7
SE
4
0.7
ESE
4
0.7
ESE
4
0.7
ESE
4
0.8
ESE
4
0.7
SE
4
0.7
SE
5
0.7
SE
5
0.7
SE
4
0.5
E
4
0.5
E
4
0.5
E
4
0.6
ESE
4
0.6
ESE
4
0.5
ESE
4
0.4
ESE
4
0.4
ESE
4
0.2
E
7
0.2
E
7
0.2
E
7
Wave Graph
Metric surfscale
Energy kJ
25
18
16
21
19
16
17
17
25
21
23
22
21
10
10
9
12
12
9
6
5
4
3
3
Wind (km/h)
20
ESE
15
SE
15
SE
20
SE
20
ESE
20
ESE
20
ESE
20
ESE
20
ESE
15
ESE
20
ESE
15
SE
15
ESE
20
ESE
15
E
20
E
15
ESE
15
SE
10
SE
10
ESE
15
ESE
15
ESE
15
ESE
15
ESE
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
cross-on
cross-on
cross-on
on
on
on
on
cross-on
High Tide
5:24AM0.81m
6:27PM0.88m
6:32AM0.86m
7:24PM0.93m
7:33AM0.91m
8:16PM0.97m
Low Tide
11:27PM0.18m
11:56AM-0.05m
00:29AM0.13m
12:55PM-0.09m
1:26AM0.07m
1:50PM-0.11m
clear
clear
clear
part cloud
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:48
6:48
6:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:00
8:00
8:00
 mm
1
Temp °C
29
29
29
30
30
30
29
29
29
28
28
29
30
30
29
28
28
28
28
29
30
30
29
29
Feels °C
31
32
31
32
31
31
30
30
31
31
30
31
32
32
31
31
31
31
31
32
32
31
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 

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