4 Mile Surf Break

Lat Long: 36.99° N 122.16° W

4 Mile 48 hour detailed Surf Forecast

Issued: 4 am 12 Sep 2026 (local time)

Forecast update in  hr  min

Today's 4 Mile sea temperature is
16.3°C
1.3° 

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 (12 Sep):

  • Morning surf: Morning surf (12 Sep, local time) - 3ft (0.9m), 14s period with SW swell.
  • Afternoon surf: Afternoon surf (12 Sep, local time) - 2.5ft (0.7m), 14s period with SW swell.
  • Evening surf: Evening surf (12 Sep, local time) - 2.5ft (0.7m), 14s period with SW swell.

The current surf forecast for 4 Mile at 9AM is: 0.9m 14s primary swell from a Southwest direction and 0.7m 7s secondary swell from a Northwest direction, 1.1m 7s secondary swell from a Northwest direction (forecast issued at 04:00am September 12). The wind direction is predicted to be cross-shore.

Time (PDT) & DateWave HeightWave Period
Morning (12 Sep)3ft (0.9m)14s
Afternoon (12 Sep)2.5ft (0.7m)14s
Evening (12 Sep)2.5ft (0.7m)14s

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


Short Range Forecast

Mostly dry. Warm (max 22°C on Mon afternoon, min 13°C on Sun night). Winds decreasing (fresh winds from the NW on Sun afternoon, calm by Mon morning).

Saturday
12
Sunday
13
Monday
14
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)
2
2
2
0
0
0
1
1
2
2
2
0
0
0
1
1
3
2
2
1
0
0
2
4
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
SW
15
0.9
SW
15
0.8
SSW
14
0.9
SW
14
0.8
SSW
14
0.7
SW
14
0.7
SW
14
0.7
SW
14
0.7
SW
14
0.6
SW
14
0.6
SSW
14
0.6
SSW
13
0.6
SSW
13
0.6
SW
13
1.2
NW
6
1.3
WNW
7
1.8
NW
7
1.3
WNW
8
1.4
WNW
9
1.4
WNW
9
1.4
WNW
9
1.4
WNW
9
1.9
NW
9
1.9
NW
9
Wave Graph
Metric surfscale
Energy kJ
309
309
268
301
264
211
208
206
200
151
121
120
120
142
109
154
331
220
297
304
304
304
560
560
Wind (km/h)
10
NNW
10
NNW
5
N
20
WNW
30
NW
30
NW
20
NNW
20
NNW
15
NNW
15
NNW
15
NNW
20
NW
30
NW
30
NW
25
NNW
20
NNW
10
NNW
5
N
0
NE
10
W
25
WNW
25
NW
15
NNW
15
NNW
Wind State
cross-off
cross-off
cross-off
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross-off
cross-off
cross-off
glassy
glassy
cross-on
cross
cross
cross-off
cross-off
High Tide
11:29PM1.96m
11:54AM2.04m
00:20AM1.82m
12:25PM2.05m
1:13AM1.67m
12:56PM2.03m
Low Tide
5:38AM0.54m
6:14PM0.55m
6:10AM0.72m
7:02PM0.51m
6:41AM0.89m
7:52PM0.52m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:48
6:48
6:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:21
7:19
7:17
 mm
Temp °C
15
15
16
19
20
20
17
15
14
14
14
18
19
19
15
14
13
13
14
19
21
22
17
15
Feels °C
13
13
15
16
15
15
14
12
12
12
12
14
14
13
11
11
12
12
14
18
17
18
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.


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