4 Mile Surf Break

Lat Long: 36.99° N 122.16° W

4 Mile Surf Forecast and Surf Report

Issued: 4 am 17 Sep 2026 (local time)

Forecast update in  hr  min

Today's 4 Mile sea temperature is
15.5°C
0.6° 

4 Mile surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


4 Mile surf forecast from 17 Sep 2026:

  • Best quality surf: Saturday 19 Sep, 5AM (local time) - 1.5ft (0.5m), 19s period, SW swell with cross-offshore winds.
  • Most powerful swell: Wednesday 23 Sep, 5AM (local time) - 5ft (1.6m), 10s period, WNW swell with 500 kJ wave energy.
  • Next surfable swell (1★+): Thursday 17 Sep, 11PM (local time) - 1.5ft (0.5m), 15s period with SSW swell.

Best Forecast Surf Conditions for 4 Mile this week:

The surf forecast for 4 Mile over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Sep 17) at 11PM. The primary swell is predicted to be 0.5m and 15s period with a secondary swell of 0.6m and 8s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at 4 Mile in the next 16 days are 1.6m 10s and forecast to arrive on Wednesday (Sep 23) at 5AM. Winds are predicted to be cross-offshore at the time the swell arrives.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+)11PM (Thu 17th Sep)1.5ft (0.5m) 15s
Best Surf 5AM (Sat 19th Sep)1.5ft (0.5m) 19s
Most Powerful 5AM (Wed 23rd Sep)5ft (1.6m) 10s

Table - best surf conditions forecast for 4 Mile over the next 16 days.


Short Range Forecast

Mostly dry. Warm (max 22°C on Fri afternoon, min 13°C on Sat night). Wind will be generally light.

Days 4-6 Weather Summary

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

Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
0
2
1
0
2
1
0
3
2
0
3
1
1
3
2
2
3
2
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
SSW
16
0.4
SW
21
0.4
SW
21
0.6
SSW
19
0.6
SSW
19
0.5
SW
19
0.6
SSW
18
0.7
SW
18
0.6
SW
18
0.7
SW
18
0.7
SW
18
1.6
NW
8
0.8
SSW
17
0.8
SSW
17
0.9
SW
17
0.7
SW
16
0.8
SSW
16
1.6
WNW
10
1.5
WNW
10
1.3
WNW
10
1.1
WNW
10
Wave Graph
Metric surfscale
Energy kJ
198
138
121
251
251
184
211
319
252
319
330
309
360
364
419
258
326
461
419
333
255
Wind (km/h)
5
S
15
W
5
NNE
15
WNW
25
NW
15
NNW
10
W
20
NW
15
NNW
15
WNW
25
WNW
15
NW
15
WNW
20
WNW
5
N
5
S
15
NW
5
NNW
10
W
15
WNW
5
NNW
Wind State
cross-on
cross-on
off
cross
cross
cross-off
cross-on
cross
cross-off
cross
cross
cross-off
cross-on
cross
cross-off
cross-on
cross
glassy
cross-on
cross-on
glassy
High Tide
2:56PM1.85m
6:59AM1.40m
3:59PM1.80m
8:07AM1.46m
5:13PM1.78m
8:40AM1.52m
6:21PM1.81m
9:04AM1.57m
7:18PM1.85m
9:25AM1.63m
8:07PM1.90m
9:44AM1.70m
8:53PM1.92m
Low Tide
8:21AM1.30m
11:03PM0.60m
9:25AM1.38m
00:14AM0.59m
11:12AM1.40m
1:12AM0.54m
12:38PM1.36m
1:58AM0.49m
1:36PM1.28m
2:35AM0.45m
2:22PM1.17m
3:07AM0.44m
3:03PM1.03m
3:36AM0.46m
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:52
6:52
6:52
6:54
6:54
6:56
6:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:13
7:12
7:09
7:08
7:07
7:06
7:04
 mm
Temp °C
17
18
17
20
22
17
17
18
15
16
18
15
16
16
14
16
17
17
20
21
17
Feels °C
16
16
16
19
18
15
16
16
13
14
14
12
14
13
12
16
16
16
20
20
17
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the 4 Mile Surf forecast

The above surf forecast table for 4 Mile provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at 4 Mile can be found by selecting the local surf guide option on the grey menu. Our 4 Mile surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (4 Mile) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for 4 Mile may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

4 Mile is 12 km (7 miles) from Santa Cruz. If you plan a vacation in Santa Cruz, look for hotels and other accommodation in Santa Cruz. Santa Cruz has rooms for a wide range of budgets as well as car hire and transport links.

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