4 Mile Surf Break

Lat Long: 36.99° N 122.16° W

4 Mile Surf Forecast and Surf Report

Issued: 4 pm 17 Jul 2026 (local time)

Forecast update in  hr  min

Today's 4 Mile sea temperature is
15.5° C
1.8° 

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 18 Jul 2026:

  • Best quality surf: Friday 17 Jul, 11PM (local time) - 4.5ft (1.4m), 7s period, NW swell with cross-offshore winds.
  • Most powerful swell: Tuesday 21 Jul, 5PM (local time) - 4.5ft (1.4m), 14s period, SSW swell with 721 kJ wave energy.
  • Next surfable swell (1★+): Friday 17 Jul, 11PM (local time) - 4.5ft (1.4m), 7s period with NW 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 Friday (Jul 17) at 11PM. The primary swell is predicted to be 1.4m and 7s period with a secondary swell of 1.1m and 7s. Another secondary swell of 0.6m and 16s is also forecast. 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 1.4m 14s and forecast to arrive on Tuesday (Jul 21) at 5PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 14s period and expected on Thursday (Jul 23) at 5PM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+)11PM (Fri 17th Jul)4.5ft (1.4m) 7s
Best Surf11PM (Fri 17th Jul)4.5ft (1.4m) 7s
Most Powerful 5PM (Tue 21st Jul)4.5ft (1.4m) 14s

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


The Lowdown

G’day, Rusty here. Look, it’s a bit of a mixed bag for the next couple of weeks at 4 Mile. A lot of the time, the wind’s gonna be a hassle – cross-shore or cross-onshore – and the surf’s gonna be messy. There are a few narrow windows where things line up, but you gotta pick your moments.

First up, the water’s sitting at 60°, which is a touch warmer than normal for this time of year – not a huge deal, just a little nice.

Friday morning the 17th has a little bump of 4 ft from the WNW, but it’s a short-period 8 seconds and cross-shore wind at 12 mph. It’s choppy and average – not worth paddling out for.

Saturday the 18th and Sunday the 19th are similar – small 2 ft to 3 ft swell, mostly from the SW with a long period of 17 seconds, so there’s some energy there (combined energy around 522–747), but the cross-onshore wind churns it up. Not clean enough for a good session.

Monday morning the 20th is a bit better – 3 ft from the SSW with a 16-second period and a light 6 mph cross-onshore. Small wind ripples, but you could find a peak if you’re patient.

Now, here’s the standout. Tuesday morning the 21st. It’s glassy – dead calm with 3 mph wind from the SW. The swell is 3 ft from the SSW, period of 14 seconds, and combined energy around 651. The waves will be clean, well-shaped, and fun for an advanced surfer. This is your best window in the first week. Get out there early.

Tuesday afternoon sees the swell pick up to 5 ft from the SSW, but the wind goes onshore and the conditions become unknown – could be a bit lumpy. Wednesday and Thursday are back to average with cross-onshore or cross winds and small 3–3 ft swell.

Then there’s a bit of a lull late July. Friday 24th and Saturday 25th have 2 ft–3 ft swell from the SSW with very long periods of 21–24 seconds. That’s a groundswell, and at a point break like 4 Mile, it could wave up nicely. But the cross wind is moderate to fresh (12–19 mph), and it’s gonna be lumpy. The combined energy builds to over 1000 – there’s power there – but the wind’s a gut full.

Sunday morning the 26th has 3 ft from the SSW at 19 seconds and cross-shore wind, combined energy 1168. It’s rideable but still a bit bumpy.

Now, look ahead to Monday the 27th of July. Morning swell 4 ft from the SSW at 18 seconds, with a gentle 9 mph cross-onshore – combined energy 1491. Then Monday afternoon jumps to 5 ft from the same direction with 19 seconds, and the energy hits 2073. That is serious power for a point break. The wind is moderate cross-shore, so there’ll be some chop, but for an advanced surfer, those long walls could be epic. Best of the second week, but the wind is still a factor.

Tuesday the 28th holds 4 ft from the SSW at 17 seconds, combined energy around 1500, but the cross breeze is still there. Wednesday the 29th is similar but a little smaller.

Thursday the 30th of July has 7 ft from the NW, but that’s a short-period 9 seconds with onshore wind. That’s too big and blown out for paddle surfing – maybe more of a kite day.

Friday the 31st through to Saturday the 1st of August, the swell settles a bit to 4–6 ft, mostly onshore or cross-onshore, nothing that screams stand-out.

Overall, the best call is Tuesday morning the 21st for clean, glassy waves, and if you can handle a bit of cross-chop, Monday afternoon the 27th and Tuesday the 28th offer decent power. Crowds are often at 4 Mile, so get there early to score a peak.

Rusty.

Short Range Forecast

Mostly dry. Very mild (max 18°C on Sat afternoon, min 12°C on Fri night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 24°C on Tue afternoon, min 16°C on Mon night). Wind will be generally light.

Fri
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
3
1
1
2
1
0
3
2
1
3
2
1
3
2
1
2
1
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.3
WNW
8
0.6
W
16
0.7
SW
17
0.7
WNW
16
0.6
W
16
0.7
SW
17
0.8
SSW
17
0.7
SW
16
0.8
SSW
16
1
S
12
0.9
SSW
16
0.9
SSW
15
1.4
SSW
14
1.1
SSW
11
0.9
SSW
15
0.9
SSW
14
0.9
SSW
14
0.8
SSW
14
0.8
SSW
14
0.7
SSW
13
Wave Graph
Metric surfscale
Energy kJ
215
190
309
263
177
288
386
271
322
297
382
344
721
297
372
277
293
229
210
154
Wind (km/h)
25
NW
10
NNW
15
WNW
20
WNW
10
NW
15
WNW
15
WNW
5
NW
10
SW
10
W
5
NNE
5
W
10
WNW
5
ESE
10
SSE
10
SSW
10
ESE
10
SSW
15
WNW
10
NNW
Wind State
cross
cross-off
cross-on
cross
cross-off
cross-on
cross-on
glassy
on
cross-on
glassy
cross-on
cross-on
cross-off
cross-on
on
cross-off
cross-on
cross-on
cross-off
High Tide
2:19PM1.86m
1:30AM1.96m
3:01PM1.91m
2:31AM1.72m
3:42PM1.95m
3:43AM1.50m
4:23PM1.97m
5:11AM1.36m
5:07PM1.97m
6:54AM1.31m
5:52PM1.98m
8:29AM1.35m
6:38PM1.99m
Low Tide
7:47PM1.00m
8:16AM0.36m
8:56PM0.94m
8:55AM0.57m
10:10PM0.87m
9:33AM0.79m
11:25PM0.78m
10:12AM0.98m
00:36AM0.67m
10:58AM1.13m
1:37AM0.57m
11:54AM1.24m
2:28AM0.47m
clear
clear
clear
clear
part cloud
part cloud
cloud
part cloud
part cloud
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:01
6:03
6:03
6:03
6:05
6:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:27
8:25
8:25
8:24
8:23
8:23
8:22
 mm
Temp °C
17
15
16
18
15
17
17
15
17
18
17
20
24
23
20
20
17
18
19
18
Feels °C
13
12
14
15
12
15
15
13
16
16
16
19
22
22
21
21
18
18
19
17
  • Map Icons:
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  • 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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