40th Street surfForecast / Florida – South / USA

information circle48hr Weather and Surf, issued 7 pm Sunday 17 May 2026 EDT
Forecast update in hr  min  s Forecast update imminent
40th Street surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's 40th Street sea temperature is
27.9° C
(Which is 1.0°C warmer than normal for this time of year)

How big are the waves at 40th Street today?

The current surf forecast for 40th Street at 4AM is: 1.4m 6s primary swell from a East direction and 0.1m 11s secondary swell from a Northeast direction, 0.1m 11s secondary swell from a Northeast direction (forecast issued at 07:00pm May 17). The wind direction is predicted to be onshore.

Time (EDT) & DateWave HeightWave Period
Morning (18 May)4.5ft (1.3m)6s
Afternoon (18 May)4.5ft (1.3m)5s
Evening (18 May)4.5ft (1.3m)5s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 12mm), heaviest on Mon night. Warm (max 27°C on Mon afternoon, min 26°C on Sun night). Wind will be generally light.

Sun
17
Monday
18
Tuesday
19
Wed
20
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
2 AM
5 AM
8 AM
11 AM
2 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 MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1
E
5
1
E
5
1.2
E
5
1.4
E
5
1.4
E
6
1.3
E
6
1.3
E
5
1.3
E
5
1.2
E
5
1.2
E
5
1.3
E
5
1.4
E
6
1.4
E
6
1.3
E
6
1.3
E
6
1.3
E
6
1.2
E
6
1.2
E
5
1.3
E
5
1.3
E
5
1.2
E
5
1.2
E
5
1.1
E
5
0.9
E
5
Wave Graph
Metric surfscale
Energy kJ
55
49
71
112
121
104
97
93
79
82
94
117
121
105
104
104
85
83
90
97
80
77
62
41
Wind (km/h)
25
E
20
E
25
E
25
E
25
E
25
E
25
E
25
E
25
E
25
E
25
E
25
E
20
E
25
E
25
E
25
E
25
E
25
E
25
E
20
ESE
20
ESE
20
ESE
20
E
20
E
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
on
High Tide
9:55PM0.99m
10:02AM0.89m
10:47PM0.97m
10:56AM0.88m
11:40PM0.94m
11:51AM0.86m
Low Tide
3:23PM-0.23m
3:57AM-0.02m
4:17PM-0.21m
4:51AM-0.00m
5:12PM-0.17m
5:48AM0.02m
thunderstorm
thunderstorm
thunderstorm
cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
clear
clear
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
clear
clear
clear
cloud
cloud
cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:31
6:31
6:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:00
8:00
8:01
8:01
1
1
1
1
1
1
1
1
2
1
2
Temp °C
27
26
26
26
26
26
26
27
27
27
26
26
26
26
27
27
27
27
26
26
26
26
27
27
27
26
26
26
26
26
26
27
27
27
26
26
26
26
27
27
26
27
25
26
26
26
26
27
Swell 1
Height (m)
Direction
Period (s)
0.4
NE
6
0.3
SSE
5
0.3
SSE
5
0.1
NE
11
0.1
NE
11
0.1
NE
10
0.1
NE
10
0.1
NE
10
0.1
NE
9
0.2
SSE
5
0.2
SSE
5
0.1
NE
10
0.1
S
6
0.1
NE
8
0.1
NE
8
0.2
S
5
0.1
NE
8
0.1
NE
8
0.1
NE
8
0.2
ESE
8
0.3
ESE
8
0.4
ESE
8
Energy kJ
10
4
5
5
4
4
4
4
3
3
3
4
1
3
3
2
2
2
2
7
13
22
Swell 2
Height (m)
Direction
Period (s)
0.2
E
8
0.3
NE
6
0.1
NE
11
0.1
NE
11
0.1
S
5
0.1
NE
10
0.1
NE
10
0.1
S
6
0.2
E
8
0.2
S
5
0.1
NE
9
0.1
NE
8
0.2
ENE
9
0.2
ENE
8
0.3
SSE
5
Energy kJ
5
5
5
5
1
4
4
1
6
2
3
3
8
7
5
Swell 3
Height (m)
Direction
Period (s)
0.1
NE
10
0.1
NE
12
0.1
NE
11
0.1
NE
11
0.1
NE
8
0.1
NE
8
0.1
E
8
0.1
S
6
0.1
NE
8
0.3
NE
9
0.2
ENE
9
Energy kJ
4
5
5
5
3
3
1
1
3
12
7
Wind waves
Height (m)
Direction
Period (s)
1
E
5
1
E
5
1.2
E
5
1.4
E
5
1.4
E
6
1.3
E
6
1.3
E
5
1.3
E
5
1.2
E
5
1.2
E
5
1.3
E
5
1.4
E
6
1.4
E
6
1.3
E
6
1.3
E
6
1.3
E
6
1.2
E
6
1.2
E
5
1.3
E
5
1.3
E
5
1.2
E
5
1.2
E
5
1.1
E
5
0.9
E
5
Energy kJ
55
49
71
112
121
104
97
93
79
82
94
117
121
105
104
104
85
83
90
97
80
77
62
41
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
2
1
1
1
1
1
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
1590
1412
977
977
977
1143
1071
1590
1590
1697
1207
891
772
776
1071
775
775
1621
977
977
530
392
696
1634
Best forecast wave conditions in South Florida
Rating
(10 max)
Best forecast wave conditions in United States
Rating
(10 max)
2
2
1
2
2
1
1
1
2
2
2
2
2
1
1
2
2
2
2
2
2
1
Header Global
Rating
(10 max)
4
4
4
7
5
4
5
5
5
4
4
4
4
4
4
4
4
4
5
4
4
5
5
5
  • 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

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