4 Mile Surf Break

Lat Long: 36.99° N 122.16° W

4 Mile 48 hour detailed Surf Forecast

Issued: 4 pm 09 Aug 2026 (local time)

Forecast update in  hr  min

Today's 4 Mile sea temperature is
15.3° C
0.7° 

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 (09 Aug):

  • Afternoon surf: Afternoon surf (09 Aug, local time) - 3.5ft (1.1m), 10s period with WNW swell.
  • Evening surf: Evening surf (09 Aug, local time) - 3.5ft (1.1m), 9s period with WNW swell.

The current surf forecast for 4 Mile at 7PM is: 1.1m 10s primary swell from a West-northwest direction and 0.6m 15s secondary swell from a South-southwest direction (forecast issued at 04:00pm August 09). The wind direction is predicted to be cross-shore.

Time (PDT) & DateWave HeightWave Period
Morning (09 Aug)--
Afternoon (09 Aug)3.5ft (1.1m)10s
Evening (09 Aug)3.5ft (1.1m)9s

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


Short Range Forecast

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

Sun
9
Monday
10
Tuesday
11
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)
1
1
1
2
2
3
3
1
0
0
1
2
2
2
2
1
1
0
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.1
WNW
10
1.1
WNW
10
1.1
WNW
10
1.1
WNW
9
1.3
WNW
9
1.3
WNW
9
1.4
WNW
9
1.3
WNW
9
1.3
WNW
9
1.1
WNW
9
1
WNW
9
1
WNW
9
1
WNW
9
1
WNW
9
1
WNW
9
1
WNW
9
1
WNW
9
1
WNW
9
0.6
SSW
18
0.7
SSW
18
Wave Graph
Metric surfscale
Energy kJ
226
231
221
212
255
299
327
255
249
194
161
141
148
147
165
165
144
158
209
273
Wind (km/h)
10
SSW
10
W
15
NW
5
NNW
5
NNW
5
NW
0
NW
10
WSW
10
W
15
WNW
10
WNW
5
NW
5
NNW
0
ESE
0
S
5
SW
10
WSW
10
W
5
W
0
WNW
Wind State
on
cross-on
cross
cross-off
cross-off
cross-off
glassy
cross-on
cross-on
cross-on
cross
glassy
glassy
glassy
glassy
on
cross-on
cross-on
cross-on
glassy
High Tide
7:58PM2.33m
10:25AM1.60m
8:56PM2.39m
11:02AM1.68m
9:50PM2.39m
Low Tide
1:37PM1.25m
3:35AM0.03m
2:44PM1.17m
4:20AM-0.03m
3:43PM1.08m
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:20
6:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:07
8:06
8:05
 mm
Temp °C
17
17
16
15
14
14
15
17
18
18
15
14
14
13
14
17
18
18
15
14
Feels °C
16
17
15
14
13
13
15
17
17
17
14
14
14
14
15
17
17
17
15
15
  • 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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