4 Mile Surf Break

Lat Long: 36.99° N 122.16° W

4 Mile 48 hour detailed Surf Forecast

Issued: 4 pm 10 Aug 2026 (local time)

Forecast update in  hr  min

Today's 4 Mile sea temperature is
15.2° C
0.6° 

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 (11 Aug):

  • Morning surf: Morning surf (11 Aug, local time) - 3.5ft (1.0m), 9s period with WNW swell.
  • Afternoon surf: Afternoon surf (11 Aug, local time) - 3.5ft (1.0m), 9s period with WNW swell.
  • Evening surf: Evening surf (11 Aug, local time) - 2ft (0.6m), 18s period with SSW swell.

The current surf forecast for 4 Mile at 12AM is: 0.9m 9s primary swell from a West-northwest direction and 0.5m 13s secondary swell from a South-southwest direction (forecast issued at 04:00pm August 10). The wind direction is predicted to be cross-shore.

Time (PDT) & DateWave HeightWave Period
Morning (11 Aug)3.5ft (1.0m)9s
Afternoon (11 Aug)3.5ft (1.0m)9s
Evening (11 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 Tue afternoon, min 12°C on Mon night). Wind will be generally light.

Mon
10
Tuesday
11
Wednesday
12
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
0
1
2
2
2
2
1
0
0
1
2
2
2
2
1
1
0
2
1
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
9
1.1
WNW
9
1
WNW
9
0.9
WNW
9
0.9
WNW
9
0.9
WNW
9
1
WNW
9
1
WNW
9
1
WNW
9
1
WNW
9
0.6
SSW
18
0.7
SSW
18
0.7
SSW
18
1.1
WNW
9
1.1
WNW
9
1.1
WNW
9
1.1
WNW
9
1.1
WNW
9
0.7
SSW
16
0.8
SSW
16
Wave Graph
Metric surfscale
Energy kJ
199
199
165
119
148
124
165
165
141
154
209
273
273
199
199
190
186
181
229
326
Wind (km/h)
10
WSW
10
W
10
WNW
5
NW
5
NW
0
ENE
0
W
10
WSW
10
WSW
10
W
5
W
0
WSW
5
W
5
SW
5
S
10
SSW
10
SW
10
WSW
10
W
5
WNW
Wind State
on
cross-on
cross
glassy
glassy
glassy
glassy
on
cross-on
cross-on
cross-on
glassy
glassy
glassy
glassy
on
on
cross-on
cross-on
cross
High Tide
8:56PM2.39m
11:02AM1.68m
9:50PM2.39m
11:38AM1.77m
10:42PM2.32m
Low Tide
2:44PM1.17m
4:20AM-0.03m
3:43PM1.08m
5:03AM-0.01m
4:40PM0.98m
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:20
6:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:06
8:05
8:04
 mm
Temp °C
17
17
14
13
13
12
13
16
18
17
14
13
13
13
14
16
17
17
14
13
Feels °C
16
16
13
13
13
13
13
15
17
16
14
14
13
13
14
16
17
16
13
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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