4 Mile Surf Break

Lat Long: 36.99° N 122.16° W

4 Mile 48 hour detailed Surf Forecast

Issued: 4 am 08 Sep 2026 (local time)

Forecast update in  hr  min

Today's 4 Mile sea temperature is
15.6°C
0.5° 

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 (08 Sep):

  • Morning surf: Morning surf (08 Sep, local time) - 3ft (0.9m), 12s period with S swell.
  • Afternoon surf: Afternoon surf (08 Sep, local time) - 3ft (0.9m), 11s period with S swell.
  • Evening surf: Evening surf (08 Sep, local time) - 3ft (0.9m), 11s period with S swell.

The current surf forecast for 4 Mile at 11AM is: 1.0m 12s primary swell from a South direction and 0.7m 8s secondary swell from a Northwest direction (forecast issued at 04:00am September 08). The wind direction is predicted to be cross-onshore.

Time (PDT) & DateWave HeightWave Period
Morning (08 Sep)3ft (0.9m)12s
Afternoon (08 Sep)3ft (0.9m)11s
Evening (08 Sep)3ft (0.9m)11s

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


Short Range Forecast

Mostly dry. Warm (max 31°C on Wed afternoon, min 15°C on Thu night). Wind will be generally light.

Tuesday
8
Wednesday
9
Thursday
10
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
2
2
1
0
1
1
2
2
2
2
2
0
0
2
2
1
1
3
1
1
1
3
3
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)
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
12
0.9
S
11
0.7
S
11
0.4
SSW
19
0.4
SSW
19
0.6
SSW
16
0.7
SSW
19
0.7
SW
18
0.7
SSW
18
0.7
SSW
17
0.8
SSW
17
0.8
SSW
17
0.8
SSW
17
0.9
SSW
17
0.9
SSW
17
0.9
SSW
16
0.9
SSW
16
Wave Graph
Metric surfscale
Energy kJ
451
368
228
295
160
248
202
213
198
108
148
148
181
309
316
270
267
381
373
368
453
437
447
430
Wind (km/h)
5
ENE
5
NNE
0
ESE
5
W
10
WNW
15
WNW
10
NW
5
ENE
5
N
5
NNW
5
NNE
5
W
15
WNW
20
WNW
10
NNW
0
NNE
10
NW
10
NW
5
NNW
10
WNW
20
WNW
20
NW
15
NW
10
NNW
Wind State
glassy
glassy
glassy
cross-on
cross-on
cross
cross
cross-off
glassy
glassy
glassy
glassy
cross
cross
cross-off
glassy
cross
cross
cross-off
cross-on
cross
cross
cross-off
cross-off
High Tide
9:52AM1.73m
8:54PM2.20m
10:23AM1.83m
9:47PM2.16m
10:54AM1.92m
10:38PM2.08m
Low Tide
3:12AM0.15m
2:54PM1.03m
3:53AM0.18m
3:48PM0.88m
4:30AM0.25m
4:38PM0.74m
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
clear
cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:43
6:45
6:46
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:27
7:24
7:23
 mm
Temp °C
18
18
19
22
24
25
22
21
21
23
25
29
31
28
26
24
22
21
22
23
24
24
20
18
Feels °C
18
18
19
21
22
22
21
20
20
21
23
27
27
23
23
23
20
19
21
21
21
20
18
17
  • 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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