Surf Break

Lat Long: 36.99° N 122.16° W

4 Mile 48 hour detailed Surf Forecast

Issued: 10 am 18 Oct 2026 (local time)

Forecast update in  hr  min

Today's 4 Mile sea temperature is
16.8°C
2.3° 

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 (18 Oct):

  • Morning surf: Morning surf (18 Oct, local time) - 3.5ft (1.1m), 16s period with SSW swell.
  • Afternoon surf: Afternoon surf (18 Oct, local time) - 5.5ft (1.7m), 12s period with WNW swell.
  • Evening surf: Evening surf (18 Oct, local time) - 5ft (1.6m), 12s period with WNW swell.

The current surf forecast for 4 Mile at 4PM is: 1.7m 12s primary swell from a West-northwest direction and 1.1m 16s secondary swell from a South-southwest direction, 0.5m 19s secondary swell from a South direction (forecast issued at 10:00am October 18). The wind direction is predicted to be cross-shore.

Time (PDT) & DateWave HeightWave Period
Morning (18 Oct)3.5ft (1.1m)16s
Afternoon (18 Oct)5.5ft (1.7m)12s
Evening (18 Oct)5ft (1.6m)12s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Tue night. Warm (max 20°C on Sun afternoon, min 12°C on Sun night). Wind will be generally light.

Sunday
18
Monday
19
Tuesday
20
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)
4
3
1
1
3
3
4
4
4
3
2
2
2
3
3
3
3
2
3
3
3
4
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
SSW
16
1.5
WNW
12
1.7
WNW
12
1.7
WNW
12
1.6
WNW
12
2
WNW
11
1.1
SSW
16
1.4
WNW
13
0.9
SSW
17
1.3
WNW
12
1.3
WNW
12
1.3
WNW
12
1.1
SSW
15
1.1
SSW
16
1.1
SSW
16
1.1
SSW
16
1
SSW
16
1
SSW
16
1.1
WNW
14
1
SSW
15
1.4
WNW
13
1.4
WNW
12
Wave Graph
Metric surfscale
Energy kJ
597
633
735
735
646
1045
644
669
534
477
469
491
597
628
636
636
527
513
501
456
638
608
Wind (km/h)
10
NNW
15
NW
25
NW
25
NW
20
NNW
20
NNW
15
NNW
15
NNW
10
N
10
WNW
20
WNW
20
WNW
20
NW
10
NNW
5
NNW
5
NNE
5
ENE
5
SSE
5
SW
10
WNW
5
NW
0
E
Wind State
cross-off
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross-off
cross-off
glassy
cross-off
cross
on
cross-on
cross
glassy
High Tide
7:13AM1.54m
4:16PM1.69m
7:43AM1.60m
5:33PM1.67m
8:05AM1.67m
6:40PM1.67m
Low Tide
11:02AM1.43m
00:10AM0.57m
12:26PM1.35m
00:56AM0.57m
1:24PM1.22m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:18
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7:18
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7:20
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<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
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6:28
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—
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6:27
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6:24
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 mm
—
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Temp °C
16
19
20
19
15
13
13
12
12
16
16
16
14
13
13
13
13
15
16
16
15
15
Feels °C
15
17
16
15
12
10
10
10
10
14
12
12
10
11
12
12
12
14
15
14
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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