40th Street Surf Break

Lat Long: 26.42° N 80.06° W

40th Street 48 hour detailed Surf Forecast

Issued: 1 am 18 Jul 2026 (local time)

Forecast update in  hr  min

Today's 40th Street sea temperature is
30.1° C
0.9° 

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 (18 Jul):

  • Morning surf: Morning surf (18 Jul, local time) - 1ft (0.3m), 3s period with S swell.
  • Afternoon surf: Afternoon surf (18 Jul, local time) - 2ft (0.6m), 4s period with SE swell.
  • Evening surf: Evening surf (18 Jul, local time) - 2.5ft (0.7m), 4s period with SSE swell.

The current surf forecast for 40th Street at 7AM is: 0.1m 7s primary swell from a Northeast direction and 0.2m 4s secondary swell from a East-southeast direction, 0.3m 3s secondary swell from a South direction (forecast issued at 01:00am July 18). The wind direction is predicted to be cross-shore.

Time (EDT) & DateWave HeightWave Period
Morning (18 Jul)1ft (0.3m)3s
Afternoon (18 Jul)2ft (0.6m)4s
Evening (18 Jul)2.5ft (0.7m)4s

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


Short Range Forecast

Moderate rain (total 13mm), heaviest on Sun morning. Warm (max 31°C on Sun afternoon, min 28°C on Sat morning). Wind will be generally light.

Saturday
18
Sunday
19
Monday
20
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)
0.5
SSE
4
0.3
S
4
0.3
S
3
0.4
SE
4
0.6
SE
4
0.7
SE
4
0.7
SSE
4
0.7
SSE
4
0.6
SSE
4
0.4
ESE
4
0.6
SE
4
0.9
SE
4
0.8
SSE
5
0.8
SSE
4
0.8
SSE
4
0.7
SSE
4
0.6
SSE
4
0.5
SE
5
0.4
SSE
4
0.6
SSE
4
0.8
SSE
4
0.9
SE
4
0.9
SE
4
0.7
SE
4
Wave Graph
Metric surfscale
Energy kJ
8
2
2
5
10
16
15
16
12
6
14
29
27
25
24
16
13
10
6
9
20
29
27
19
Wind (km/h)
15
S
10
S
10
S
15
SSE
20
SSE
20
SSE
15
SE
20
SE
15
SE
15
SSE
15
SSE
15
SSE
20
SE
25
SE
25
SE
15
SSE
15
SSE
10
S
10
SSE
20
SSE
25
SSE
25
SSE
20
SSE
15
SSE
Wind State
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross-on
cross-on
cross-on
cross
cross-on
High Tide
11:45PM0.92m
12:11PM0.87m
00:30AM0.87m
1:02PM0.84m
1:15AM0.82m
1:54PM0.79m
Low Tide
6:05AM-0.08m
6:26PM-0.02m
6:57AM-0.06m
7:19PM0.05m
7:49AM-0.03m
8:14PM0.11m
clear
clear
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
part cloud
clear
thunderstorm
thunderstorm
thunderstorm
clear
clear
clear
clear
clear
clear
clear
thunderstorm
clear
clear
clear
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:37
6:37
6:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:14
8:14
8:13
 mm
1
1
2
3
2
1
3
Temp °C
28
28
28
29
30
30
29
29
29
28
28
30
31
31
30
29
29
29
29
30
31
31
30
29
Feels °C
31
32
31
31
31
31
30
31
31
30
31
31
31
31
30
30
32
33
32
31
31
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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