4 Mile Surf Break

Lat Long: 36.99° N 122.16° W

4 Mile 48 hour detailed Surf Forecast

Issued: 10 am 11 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 (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 4PM is: 1.0m 9s primary swell from a West-northwest direction and 0.5m 14s secondary swell from a South-southwest direction (forecast issued at 10:00am August 11). The wind direction is predicted to be cross-onshore.

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 17°C on Tue afternoon, min 13°C on Tue morning). Wind will be generally light.

Tuesday
11
Wednesday
12
Thursday
13
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
0
0
1
2
2
2
2
1
0
1
3
2
2
2
1
1
0
0
0
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
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
1.2
WNW
9
0.6
SSW
16
0.6
SSW
16
0.7
SSW
16
0.8
SSW
16
0.7
SSW
16
0.6
SSW
16
0.6
SSW
16
1.2
WNW
8
0.7
SSW
16
0.7
SSW
16
0.7
SW
15
0.7
SW
15
Wave Graph
Metric surfscale
Energy kJ
165
165
141
154
209
273
273
199
199
222
181
177
229
326
226
171
169
176
215
212
239
236
Wind (km/h)
5
SSE
10
SSW
10
WSW
10
W
10
W
5
WNW
5
WNW
5
SW
5
S
10
SSW
10
SW
10
SW
5
SW
5
W
5
W
5
SSE
5
S
10
SSW
10
SW
15
W
15
WNW
10
NW
Wind State
glassy
on
on
cross-on
cross-on
glassy
glassy
glassy
glassy
on
on
on
glassy
glassy
glassy
glassy
cross-on
cross-on
on
cross-on
cross-on
cross
High Tide
11:02AM1.68m
9:50PM2.39m
11:38AM1.77m
10:42PM2.32m
12:13PM1.85m
Low Tide
3:43PM1.08m
5:03AM-0.01m
4:40PM0.98m
5:42AM0.08m
5:35PM0.88m
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cloud
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<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:20
6:22
6:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:05
8:04
8:01
 mm
Temp °C
13
16
17
16
14
13
13
13
14
16
17
16
15
14
14
14
15
16
16
16
15
14
Feels °C
13
16
16
15
13
13
13
13
14
16
16
15
15
14
14
14
15
16
15
14
14
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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