40th Street surfForecast / Florida – South / USA

information circle48hr Weather and Surf, issued 7 am 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 1PM is: 1.1m 5s primary swell from a East direction and 0.4m 6s secondary swell from a Northeast direction, 0.1m 10s secondary swell from a Northeast direction (forecast issued at 07:00am May 17). The wind direction is predicted to be onshore.

Time (EDT) & DateWave HeightWave Period
Morning (17 May)4ft (1.2m)5s
Afternoon (17 May)3.5ft (1.1m)5s
Evening (17 May)3.5ft (1.0m)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 14mm), heaviest on Mon night. Warm (max 27°C on Sun afternoon, min 26°C on Sun morning). Wind will be generally light.

Sunday
17
Monday
18
Tuesday
19
Wed
20
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
2 AM
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 MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.2
E
5
1.2
E
5
1.2
E
5
1.1
E
5
1
E
5
1
E
5
1.2
E
5
1.3
E
5
1.3
E
6
1.2
E
5
1.2
E
5
1.1
E
5
1.1
E
5
1.2
E
5
1.2
E
5
1.2
E
5
1.3
E
5
1.3
E
6
1.2
E
5
1.2
E
5
1.1
E
5
1.1
E
5
1.2
E
5
1.2
E
5
Wave Graph
Metric surfscale
Energy kJ
75
82
82
66
53
49
71
93
100
82
76
64
65
80
77
80
97
101
83
83
70
65
74
73
Wind (km/h)
25
ESE
20
ESE
25
ESE
20
ESE
20
E
20
E
25
E
25
E
20
E
20
E
25
E
20
E
20
E
20
ENE
20
E
25
E
20
E
20
E
20
E
20
E
20
E
25
E
20
E
20
ESE
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
9:09AM0.89m
9:55PM0.99m
10:02AM0.89m
10:47PM0.97m
10:56AM0.88m
11:40PM0.94m
Low Tide
3:06AM-0.02m
3:23PM-0.23m
3:57AM-0.02m
4:17PM-0.21m
4:51AM-0.00m
5:12PM-0.17m
part cloud
part cloud
clear
clear
clear
clear
cloud
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:31
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
2
1
1
2
1
2
Temp °C
26
26
26
27
27
26
26
26
26
26
26
27
27
26
26
26
26
26
26
27
27
27
26
26
26
26
26
27
27
26
26
26
26
26
26
27
27
26
26
26
26
26
26
27
27
27
26
26
Swell 1
Height (m)
Direction
Period (s)
0.3
NNE
6
0.3
NNE
6
0.3
NNE
6
0.4
NE
6
0.4
NE
6
0.4
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
9
0.2
E
8
0.2
SSE
5
0.2
SSE
5
0.1
NE
10
0.1
NE
10
0.1
NE
9
0.2
ESE
8
0.2
ESE
8
0.2
SSE
5
0.2
SSE
5
0.2
SSE
5
0.2
ESE
8
Energy kJ
6
7
7
10
10
7
4
5
4
4
4
3
5
2
2
4
4
3
7
7
2
2
2
7
Swell 2
Height (m)
Direction
Period (s)
0.1
NE
9
0.1
NE
9
0.1
NE
11
0.1
NE
9
0.2
E
8
0.3
NE
6
0.1
NE
11
0.1
NE
11
0.1
NE
11
0.2
E
8
0.1
NE
10
0.1
NE
11
0.1
NE
10
0.1
NE
8
0.1
S
6
0.1
NE
8
0.1
NE
8
0.2
E
8
0.2
E
9
0.1
NE
8
0.1
NE
8
Energy kJ
3
3
5
3
5
5
5
5
4
5
4
4
4
3
1
2
3
6
6
2
3
Swell 3
Height (m)
Direction
Period (s)
0.1
NE
11
0.1
NE
11
0.1
NE
9
0.1
NE
9
0.1
NE
9
0.1
NE
12
0.1
NE
12
0.1
N
11
0.1
NE
8
0.1
NE
8
0.1
S
6
0.2
SSE
5
0.1
N
8
0.1
N
8
Energy kJ
5
5
3
3
3
5
5
2
3
3
1
2
1
1
Wind waves
Height (m)
Direction
Period (s)
1.2
E
5
1.2
E
5
1.2
E
5
1.1
E
5
1
E
5
1
E
5
1.2
E
5
1.3
E
5
1.3
E
6
1.2
E
5
1.2
E
5
1.1
E
5
1.1
E
5
1.2
E
5
1.2
E
5
1.2
E
5
1.3
E
5
1.3
E
6
1.2
E
5
1.2
E
5
1.1
E
5
1.1
E
5
1.2
E
5
1.2
E
5
Energy kJ
75
82
82
66
53
49
71
93
100
82
76
64
65
80
77
80
97
101
83
83
70
65
74
73
Nearest Offshore or Glassy
Rating
(10 max)
3
1
1
1
2
1
2
1
1
1
1
2
2
1
2
1
1
1
1
1
1
1
1
2
Distance (km)
1003
660
628
1139
1575
1201
977
977
977
1071
1071
1751
1742
1590
1195
977
891
776
1071
775
775
775
925
1195
Best forecast wave conditions in South Florida
Rating
(10 max)
Best forecast wave conditions in United States
Rating
(10 max)
2
4
1
1
2
4
4
5
4
4
5
4
4
2
4
4
4
3
4
3
3
3
3
4
Header Global
Rating
(10 max)
7
4
8
6
4
4
5
6
5
4
5
4
5
4
4
4
4
4
4
4
4
4
4
4
  • 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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