4 Mile Surf Break

Lat Long: 36.99° N 122.16° W

4 Mile 48 hour detailed Surf Forecast

Issued: 4 am 14 Aug 2026 (local time)

Forecast update in  hr  min

Today's 4 Mile sea temperature is
15.9° C
1.2° 

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 (14 Aug):

  • Morning surf: Morning surf (14 Aug, local time) - 2.5ft (0.7m), 15s period with SSW swell.
  • Afternoon surf: Afternoon surf (14 Aug, local time) - 1.5ft (0.5m), 19s period with SSW swell.
  • Evening surf: Evening surf (14 Aug, local time) - 2ft (0.6m), 18s period with SSW swell.

The current surf forecast for 4 Mile at 7AM is: 0.7m 15s primary swell from a South-southwest direction and 0.8m 8s secondary swell from a West-northwest direction (forecast issued at 04:00am August 14). The wind direction is predicted to be offshore and the swell rating is 2.

Time (PDT) & DateWave HeightWave Period
Morning (14 Aug)2.5ft (0.7m)15s
Afternoon (14 Aug)1.5ft (0.5m)19s
Evening (14 Aug)2ft (0.6m)18s

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


Short Range Forecast

Mostly dry. Very mild (max 18°C on Fri afternoon, min 13°C on Fri night). Wind will be generally light.

Friday
14
Saturday
15
Sunday
16
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
1
0
0
1
2
3
3
3
1
0
1
1
3
3
3
2
2
0
0
1
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)
0.7
SW
15
0.7
SSW
15
0.7
SSW
15
0.7
SSW
15
0.5
SSW
19
0.5
SSW
18
0.6
SSW
18
0.6
SSW
18
0.6
SSW
18
1
SSW
18
1
SSW
17
1
SSW
16
0.9
SSW
16
1
SSW
16
1
SSW
16
1
SSW
16
1
SSW
16
1
SSW
16
1
SSW
16
1
SSW
16
1
SSW
16
0.9
SSW
15
0.9
SSW
15
0.9
SSW
15
Wave Graph
Metric surfscale
Energy kJ
242
209
196
188
205
184
249
249
249
582
563
512
376
493
493
487
481
481
475
469
463
362
339
334
Wind (km/h)
10
NNW
10
N
5
NNE
10
WSW
15
W
20
WNW
20
NW
15
NNW
15
NNW
10
N
10
NNW
15
WNW
20
WNW
25
WNW
20
NW
10
NNW
5
N
5
NNW
5
NW
10
WSW
15
W
20
WNW
15
NW
10
NNW
Wind State
cross-off
cross-off
glassy
cross-on
cross-on
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-on
cross-on
cross
cross
cross-off
cross-off
cross-off
cross
cross-on
cross-on
cross
cross
cross-off
High Tide
11:33PM2.19m
12:48PM1.92m
00:25AM2.01m
1:23PM1.96m
1:19AM1.80m
1:58PM1.98m
Low Tide
6:20AM0.22m
6:30PM0.81m
6:55AM0.41m
7:27PM0.76m
7:29AM0.61m
8:26PM0.72m
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
part cloud
clear
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:24
6:24
6:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:00
8:00
7:59
 mm
Temp °C
14
14
15
17
18
18
17
14
14
13
14
17
17
18
15
14
13
13
13
17
17
18
14
14
Feels °C
13
13
15
16
16
15
15
12
12
12
13
15
14
15
12
13
13
13
13
16
15
16
12
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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