40th Street Surf Break

Lat Long: 26.42° N 80.06° W

40th Street 48 hour detailed Surf Forecast

Issued: 1 am 19 Sep 2026 (local time)

Forecast update in  hr  min

Today's 40th Street sea temperature is
30.6°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 (19 Sep):

  • Morning surf: Morning surf (19 Sep, local time) - 2ft (0.6m), 7s period with NE swell.
  • Afternoon surf: Afternoon surf (19 Sep, local time) - 1.5ft (0.5m), 7s period with NE swell.
  • Evening surf: Evening surf (19 Sep, local time) - 1.5ft (0.5m), 7s period with NE swell.

The current surf forecast for 40th Street at 5AM is: 0.6m 7s primary swell from a Northeast direction and 0.2m 7s secondary swell from a East direction (forecast issued at 01:00am September 19). The wind direction is predicted to be glassy.

Time (EDT) & DateWave HeightWave Period
Morning (19 Sep)2ft (0.6m)7s
Afternoon (19 Sep)1.5ft (0.5m)7s
Evening (19 Sep)1.5ft (0.5m)7s

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


Short Range Forecast

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

Saturday
19
Sunday
20
Monday
21
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)
0.7
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
0.5
NE
7
0.5
NE
7
0.4
NE
7
0.4
NE
7
0.4
NE
7
0.4
NE
7
0.4
NE
7
0.4
NE
7
0.3
NE
7
0.3
NE
7
0.3
NE
7
0.3
NE
7
0.3
NE
7
0.3
NE
7
0.2
NNE
10
0.3
NE
9
0.4
NE
8
Wave Graph
Metric surfscale
Energy kJ
51
39
38
37
29
22
22
23
27
19
19
19
19
14
13
7
7
7
7
7
7
9
13
18
Wind (km/h)
5
E
0
NE
5
NNE
5
E
10
ESE
10
E
10
ENE
10
E
10
ESE
5
SE
5
SW
5
NW
10
E
15
ENE
15
ENE
10
ESE
10
SSE
10
SSW
5
W
5
NW
10
ENE
15
E
10
SE
5
SE
Wind State
glassy
glassy
glassy
on
on
on
cross-on
on
on
cross-on
cross-off
glassy
on
cross-on
on
cross-on
cross
cross-off
off
cross-off
on
on
cross-on
cross-on
High Tide
2:20AM0.79m
3:13PM0.80m
3:21AM0.78m
4:15PM0.81m
4:25AM0.79m
5:14PM0.84m
Low Tide
9:07AM0.31m
9:43PM0.42m
10:09AM0.31m
10:44PM0.41m
11:04AM0.30m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
thunderstorm
part cloud
part cloud
thunderstorm
thunderstorm
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:07
7:07
7:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:20
7:19
7:17
 mm
1
3
1
1
1
2
4
1
1
1
5
1
3
1
3
1
1
Temp °C
27
27
27
28
29
29
28
28
28
28
27
29
30
29
28
28
28
28
27
28
30
29
29
28
Feels °C
32
32
31
31
31
31
30
31
31
32
30
33
32
30
30
30
30
31
31
31
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 

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