4 Mile Surf Break

Lat Long: 36.99° N 122.16° W

4 Mile 48 hour detailed Surf Forecast

Issued: 4 am 07 Sep 2026 (local time)

Forecast update in  hr  min

Today's 4 Mile sea temperature is
15.4°C
0.4° 

4 Mile surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at 4 Mile today (07 Sep):

  • Morning surf: Morning surf (07 Sep, local time) - 3.5ft (1.0m), 14s period with S swell.
  • Afternoon surf: Afternoon surf (07 Sep, local time) - 4ft (1.2m), 14s period with S swell.
  • Evening surf: Evening surf (07 Sep, local time) - 4ft (1.2m), 13s period with S swell.

The current surf forecast for 4 Mile at 11AM is: 1.1m 13s primary swell from a South direction and 0.8m 7s secondary swell from a West-northwest direction (forecast issued at 04:00am September 07). The wind direction is predicted to be onshore.

Time (PDT) & DateWave HeightWave Period
Morning (07 Sep)3.5ft (1.0m)14s
Afternoon (07 Sep)4ft (1.2m)14s
Evening (07 Sep)4ft (1.2m)13s

Table - waves today at 4 Mile. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Warm (max 30°C on Wed afternoon, min 15°C on Mon morning). Wind will be generally light.

Monday
7
Tuesday
8
Wednesday
9
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)
3
3
3
2
1
1
3
3
3
2
2
1
1
0
2
2
2
2
2
1
0
0
2
2
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)
0.9
SSW
15
0.9
S
14
1
S
14
1.1
S
13
1.2
S
14
1.2
S
13
1.2
S
13
1.2
S
13
1.2
S
13
1.1
S
12
0.9
S
12
1
S
12
0.8
S
11
1
S
11
0.9
S
11
0.9
S
11
0.9
S
11
0.8
S
11
0.4
SSW
19
0.4
SSW
19
0.6
SSW
16
0.7
SSW
19
0.7
SSW
18
0.7
SSW
18
Wave Graph
Metric surfscale
Energy kJ
305
293
357
426
518
503
488
473
451
368
228
295
160
248
202
209
198
141
148
148
181
309
273
270
Wind (km/h)
10
NNW
5
N
5
NNE
5
WSW
10
W
15
WNW
10
NW
5
E
5
E
5
N
5
NNW
10
W
10
WNW
15
WNW
10
NNW
5
NW
5
NNE
5
NNW
5
N
10
WNW
20
WNW
20
NW
10
NNW
5
NNE
Wind State
cross-off
glassy
glassy
on
cross-on
cross
cross-off
cross-off
glassy
glassy
glassy
cross-on
cross
cross-on
cross-off
glassy
glassy
glassy
glassy
cross
cross
cross
cross-off
glassy
High Tide
9:18AM1.63m
7:56PM2.18m
9:52AM1.73m
8:54PM2.20m
10:23AM1.83m
9:47PM2.16m
Low Tide
2:26AM0.19m
1:54PM1.17m
3:12AM0.15m
2:54PM1.03m
3:53AM0.18m
3:48PM0.88m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:43
6:43
6:45
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:28
7:27
7:24
 mm
Temp °C
14
14
15
18
20
21
18
17
16
17
18
22
23
23
21
20
20
22
26
28
30
29
26
24
Feels °C
13
14
15
17
19
19
17
16
16
16
18
21
21
20
19
19
19
21
24
25
26
24
23
23
  • 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 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our 4 Mile surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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