4 Mile Surf Break

Lat Long: 36.99° N 122.16° W

4 Mile 48 hour detailed Surf Forecast

Issued: 4 am 09 Sep 2026 (local time)

Forecast update in  hr  min

Today's 4 Mile sea temperature is
15.5°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 (09 Sep):

  • Morning surf: Morning surf (09 Sep, local time) - 1.5ft (0.4m), 19s period with SSW swell.
  • Afternoon surf: Afternoon surf (09 Sep, local time) - 2ft (0.6m), 16s period with SSW swell.
  • Evening surf: Evening surf (09 Sep, local time) - 2.5ft (0.7m), 18s period with SSW swell.

The current surf forecast for 4 Mile at 8AM is: 0.4m 19s primary swell from a South-southwest direction and 0.7m 10s secondary swell from a South direction (forecast issued at 04:00am September 09). The wind direction is predicted to be glassy and the swell rating is 2.

Time (PDT) & DateWave HeightWave Period
Morning (09 Sep)1.5ft (0.4m)19s
Afternoon (09 Sep)2ft (0.6m)16s
Evening (09 Sep)2.5ft (0.7m)18s

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 14°C on Fri night). Wind will be generally light.

Wednesday
9
Thursday
10
Friday
11
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
1
2
1
0
0
2
2
2
1
2
1
1
1
2
3
3
3
2
0
1
0
2
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)
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
0.9
SSW
16
0.9
SSW
16
0.9
SSW
16
0.9
SSW
16
0.9
SSW
16
0.9
SW
15
0.9
SW
15
0.9
SW
15
Wave Graph
Metric surfscale
Energy kJ
198
108
148
148
181
309
316
270
267
381
373
368
453
437
447
430
430
430
430
425
419
335
318
309
Wind (km/h)
5
NW
5
ENE
5
N
5
W
15
NW
20
NW
10
N
5
NNW
5
NNW
10
NW
10
NW
15
WNW
20
WNW
20
NW
15
NW
10
NW
10
NNW
10
NW
10
NW
15
WNW
25
WNW
25
NW
20
NNW
15
NNW
Wind State
glassy
off
glassy
cross-on
cross
cross
cross-off
cross-off
glassy
cross
cross
cross-on
cross
cross
cross
cross-off
cross-off
cross-off
cross
cross-on
cross
cross
cross-off
cross-off
High Tide
10:23AM1.83m
9:47PM2.16m
10:54AM1.92m
10:38PM2.08m
11:24AM1.99m
Low Tide
3:53AM0.18m
3:48PM0.88m
4:30AM0.25m
4:38PM0.74m
5:05AM0.38m
5:26PM0.62m
clear
part cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
cloud
clear
clear
part cloud
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>
6:45
6:46
6:47
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:24
7:23
7:22
 mm
Temp °C
21
22
24
29
31
31
28
26
25
21
22
24
25
25
21
18
16
15
15
18
20
21
18
15
Feels °C
22
21
24
28
28
26
26
24
23
19
21
22
22
22
19
17
15
14
14
16
17
17
15
12
  • 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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