4 Mile Surf Break

Lat Long: 36.99° N 122.16° W

4 Mile 48 hour detailed Surf Forecast

Issued: 4 am 16 Aug 2026 (local time)

Forecast update in  hr  min

Today's 4 Mile sea temperature is
16.3° C
1.7° 

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 (16 Aug):

  • Morning surf: Morning surf (16 Aug, local time) - 3.5ft (1.0m), 16s period with SSW swell.
  • Afternoon surf: Afternoon surf (16 Aug, local time) - 3ft (0.9m), 15s period with SSW swell.
  • Evening surf: Evening surf (16 Aug, local time) - 3ft (0.9m), 15s period with SSW swell.

The current surf forecast for 4 Mile at 12PM is: 1.0m 16s primary swell from a South-southwest direction and 0.5m 10s secondary swell from a West-northwest direction, 0.5m 6s secondary swell from a Northwest direction (forecast issued at 04:00am August 16). The wind direction is predicted to be cross-onshore.

Time (PDT) & DateWave HeightWave Period
Morning (16 Aug)3.5ft (1.0m)16s
Afternoon (16 Aug)3ft (0.9m)15s
Evening (16 Aug)3ft (0.9m)15s

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


Short Range Forecast

Mostly dry. Very mild (max 19°C on Mon afternoon, min 13°C on Mon night). Wind will be generally light.

Sunday
16
Monday
17
Tuesday
18
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
3
2
1
0
0
1
2
2
2
1
1
0
0
0
2
2
1
2
1
1
1
1
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
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
0.9
SSW
15
0.9
SSW
15
0.9
SSW
15
0.9
SSW
15
0.9
SSW
15
0.9
SSW
15
0.9
SSW
14
0.8
SSW
14
0.8
SSW
14
0.8
SSW
14
0.8
SSW
15
0.9
SSW
15
0.9
SSW
16
0.9
SSW
16
0.8
SSW
16
0.8
SSW
16
Wave Graph
Metric surfscale
Energy kJ
481
481
475
469
463
362
339
334
334
334
334
334
334
334
330
239
239
239
242
326
362
366
295
291
Wind (km/h)
5
NNW
10
NNW
5
NW
15
W
15
WNW
15
WNW
15
NW
5
NW
0
NW
10
NNW
5
NW
10
WSW
20
WNW
20
WNW
20
NW
10
N
10
NNW
15
NW
10
NNW
15
WNW
25
WNW
20
WNW
15
NW
5
N
Wind State
cross-off
cross-off
cross
cross-on
cross-on
cross-on
cross
glassy
glassy
cross-off
cross
cross-on
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross-off
High Tide
1:19AM1.80m
1:58PM1.98m
2:18AM1.60m
2:35PM1.97m
3:30AM1.43m
3:15PM1.94m
Low Tide
7:29AM0.61m
8:26PM0.72m
8:02AM0.81m
9:30PM0.70m
8:35AM1.00m
10:40PM0.68m
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:26
6:26
6:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:59
7:58
7:55
 mm
Temp °C
13
13
14
18
17
18
15
15
14
14
14
18
18
19
16
14
14
13
14
18
19
19
16
15
Feels °C
12
12
14
17
15
16
14
15
15
13
14
17
16
16
13
12
13
10
12
16
16
16
14
14
  • 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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