Surf Break

Lat Long: 36.82° N 121.80° W

Zmudowski State Beach 48 hour detailed Surf Forecast

Issued: 10 pm 20 Oct 2026 (local time)

Forecast update in  hr  min

Today's Zmudowski State Beach sea temperature is
18.2°C
3.5° 

Zmudowski State Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Zmudowski State Beach today (21 Oct):

  • Morning surf: Morning surf (21 Oct, local time) - 3.5ft (1.0m), 14s period with SSW swell.
  • Afternoon surf: Afternoon surf (21 Oct, local time) - 3ft (0.9m), 14s period with SSW swell.
  • Evening surf: Evening surf (21 Oct, local time) - 2.5ft (0.8m), 14s period with SSW swell.

The current surf forecast for Zmudowski State Beach at 2AM is: 1.4m 12s primary swell from a West-northwest direction and 1.0m 14s secondary swell from a South-southwest direction (forecast issued at 10:00pm October 20). The wind direction is predicted to be glassy and the swell rating is 4.

Time (PDT) & DateWave HeightWave Period
Morning (21 Oct)3.5ft (1.0m)14s
Afternoon (21 Oct)3ft (0.9m)14s
Evening (21 Oct)2.5ft (0.8m)14s

Table - waves today at Zmudowski State Beach. (Swell directed towards the surf break)


Short Range Forecast

Moderate rain (total 14mm), heaviest on Wed night. Very mild (max 19°C on Wed afternoon, min 13°C on Fri morning). Wind will be generally light.

Tue
20
Wednesday
21
Thursday
22
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
4
4
3
3
3
2
2
3
3
3
3
3
2
3
3
3
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1
SSW
15
1.4
WNW
13
1.4
WNW
12
1.3
WNW
11
1
SSW
14
1
SSW
15
0.9
SSW
14
0.7
SSW
16
0.8
SSW
14
0.9
SSW
14
0.9
SSW
14
0.9
SSW
14
0.9
SSW
15
0.9
SSW
15
0.8
SSW
14
0.8
SSW
14
0.7
SSW
18
0.6
SSW
18
Wave Graph
Metric surfscale
Energy kJ
456
610
545
451
449
456
273
269
250
317
361
371
381
376
276
265
329
249
Wind (km/h)
5
SW
5
SE
0
S
0
ESE
10
ENE
5
ENE
5
W
5
WNW
5
WSW
10
ENE
5
ENE
5
NE
0
N
5
SSW
5
SSW
5
WSW
0
S
5
W
Wind State
glassy
glassy
glassy
glassy
cross-off
glassy
on
cross-on
glassy
cross-off
off
cross-off
glassy
cross-on
glassy
glassy
glassy
glassy
High Tide
6:42PM1.25m
8:21AM1.33m
7:45PM1.27m
8:45AM1.40m
8:42PM1.30m
Low Tide
1:33AM0.20m
2:18PM0.60m
2:12AM0.23m
2:56PM0.43m
cloud
cloud
cloud
cloud
cloud
cloud
thunderstorm
rain showers
light rain
light rain
light rain
part cloud
light rain
light rain
light rain
light rain
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
7:18
—
—
—
—
—
—
—
7:20
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
—
—
6:22
—
—
—
—
—
—
—
6:21
—
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 mm
—
—
—
—
—
—
2
1
2
3
1
—
1
1
2
1
—
—
Temp °C
16
15
14
14
14
18
19
18
16
15
15
15
14
15
15
15
14
14
Feels °C
16
15
14
14
13
17
19
18
16
15
15
15
14
15
15
15
15
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 

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