40th Street Surf Break

Lat Long: 33.62° N 117.94° W

40th Street 48 hour detailed Surf Forecast

Issued: 10 pm 04 Aug 2026 (local time)

Forecast update in  hr  min

Today's 40th Street sea temperature is
23.3° C
4.1° 

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 (05 Aug):

  • Morning surf: Morning surf (05 Aug, local time) - 1.5ft (0.4m), 14s period with SW swell.
  • Afternoon surf: Afternoon surf (05 Aug, local time) - 1.5ft (0.4m), 14s period with SW swell.
  • Evening surf: Evening surf (05 Aug, local time) - 1.5ft (0.4m), 14s period with SW swell.

The current surf forecast for 40th Street at 3AM is: 0.4m 14s primary swell from a Southwest direction and 0.4m 13s secondary swell from a Southwest direction (forecast issued at 10:00pm August 04). The wind direction is predicted to be cross-onshore.

Time (PDT) & DateWave HeightWave Period
Morning (05 Aug)1.5ft (0.4m)14s
Afternoon (05 Aug)1.5ft (0.4m)14s
Evening (05 Aug)1.5ft (0.4m)14s

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


Short Range Forecast

Mostly dry. Warm (max 23°C on Wed afternoon, min 19°C on Tue night). Wind will be generally light.

Tue
4
Wednesday
5
Thursday
6
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
1
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
SW
15
0.4
SW
15
0.4
SW
15
0.5
SW
14
0.5
SW
14
0.4
SW
14
0.4
SW
14
0.4
SW
14
0.4
SW
14
0.5
SW
14
0.5
SW
14
0.4
SW
13
0.5
SW
14
0.5
SW
13
0.5
SW
13
0.6
SSW
13
0.5
SW
13
0.5
SW
13
Wave Graph
Metric surfscale
Energy kJ
76
55
75
102
102
71
71
71
70
97
97
63
89
88
88
114
84
84
Wind (km/h)
10
WSW
5
SW
5
W
5
WSW
10
S
10
SW
15
W
20
SW
10
WSW
5
WSW
5
W
5
SW
5
WNW
10
SW
15
WSW
10
SW
10
SSW
10
S
Wind State
on
on
glassy
on
cross-on
on
cross-on
on
on
on
cross-on
glassy
glassy
on
on
on
cross-on
cross-on
High Tide
2:09AM0.91m
2:33PM1.54m
4:32AM0.80m
3:38PM1.61m
Low Tide
8:47PM0.47m
7:30AM0.55m
10:28PM0.36m
8:13AM0.71m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:05
6:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:47
7:46
 mm
Temp °C
19
19
19
19
20
21
23
22
21
20
20
20
20
22
23
22
22
21
Feels °C
19
20
21
20
21
22
23
20
22
21
21
22
21
23
23
22
23
22
  • 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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