4 Mile Surf Break

Lat Long: 36.99° N 122.16° W

4 Mile 48 hour detailed Surf Forecast

Issued: 10 pm 03 Sep 2026 (local time)

Forecast update in  hr  min

Today's 4 Mile sea temperature is
15.2°C
0.1° 

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 (04 Sep):

  • Morning surf: Morning surf (04 Sep, local time) - 3.5ft (1.0m), 18s period with SSW swell.
  • Afternoon surf: Afternoon surf (04 Sep, local time) - 3.5ft (1.0m), 17s period with SSW swell.
  • Evening surf: Evening surf (04 Sep, local time) - 3.5ft (1.0m), 16s period with SSW swell.

The current surf forecast for 4 Mile at 2AM is: 0.9m 18s primary swell from a South-southwest direction and 1.0m 10s secondary swell from a West-northwest direction (forecast issued at 10:00pm September 03). The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (PDT) & DateWave HeightWave Period
Morning (04 Sep)3.5ft (1.0m)18s
Afternoon (04 Sep)3.5ft (1.0m)17s
Evening (04 Sep)3.5ft (1.0m)16s

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


Short Range Forecast

Mostly dry. Very mild (max 19°C on Fri morning, min 14°C on Fri night). Wind will be generally light.

Thu
3
Friday
4
Saturday
5
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
3
3
2
0
1
2
3
3
3
3
1
1
1
2
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
SSW
18
0.9
SSW
18
0.9
SSW
18
1
SSW
18
1
SSW
18
1
SSW
18
1
SSW
17
0.9
SSW
17
1
SSW
16
1.1
SSW
16
1.1
SSW
16
1.1
SSW
16
1
SSW
16
1.1
SSW
16
1
SSW
16
1.2
SSW
16
1
SSW
15
1.2
SSW
15
Wave Graph
Metric surfscale
Energy kJ
408
497
497
603
596
582
550
486
512
604
590
582
475
554
457
688
445
653
Wind (km/h)
5
WSW
5
WSW
5
NNW
10
NNW
5
N
10
W
20
WNW
25
NW
20
NW
15
N
10
N
10
NNE
5
N
10
WNW
20
WNW
25
WNW
20
NW
10
N
Wind State
glassy
glassy
cross-off
cross-off
cross-off
cross-on
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-on
cross
cross
cross-off
cross-off
High Tide
6:27AM1.36m
4:24PM2.06m
7:51AM1.44m
5:40PM2.09m
Low Tide
11:13PM0.46m
9:30AM1.28m
00:28AM0.37m
11:09AM1.33m
part cloud
cloud
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:41
6:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:32
7:30
 mm
Temp °C
17
17
17
16
17
19
19
19
17
15
14
14
15
18
19
19
17
15
Feels °C
18
18
18
15
17
18
16
15
13
12
12
13
14
16
16
15
14
13
  • 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.


Nearest locationNearest