Mouse Rock Surf Break

Lat Long: 35.44° N 120.91° W

Mouse Rock 48 hour detailed Surf Forecast

Issued: 10 am 20 Sep 2026 (local time)

Forecast update in  hr  min

Today's Mouse Rock sea temperature is
16.8°C
0.1° 

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


How big are the waves at Mouse Rock today (20 Sep):

  • Morning surf: Morning surf (20 Sep, local time) - 2.5ft (0.8m), 18s period with SW swell.
  • Afternoon surf: Afternoon surf (20 Sep, local time) - 2.5ft (0.8m), 18s period with SW swell.
  • Evening surf: Evening surf (20 Sep, local time) - 2.5ft (0.8m), 18s period with SW swell.

The current surf forecast for Mouse Rock at 2PM is: 0.8m 18s primary swell from a Southwest direction and 1.0m 7s secondary swell from a West-northwest direction (forecast issued at 10:00am September 20). An open ocean swell of 0.5m 12s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (PDT) & DateWave HeightWave Period
Morning (20 Sep)2.5ft (0.8m)18s
Afternoon (20 Sep)2.5ft (0.8m)18s
Evening (20 Sep)2.5ft (0.8m)18s

Table - waves today at Mouse Rock. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Warm (max 22°C on Sun afternoon, min 14°C on Sun night). Wind will be generally light.

Sunday
20
Monday
21
Tuesday
22
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)
3
2
1
2
2
3
3
3
3
2
1
1
1
2
2
2
2
2
1
0
2
3
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)
0.8
SW
18
0.8
SW
18
0.8
SW
18
0.9
SW
18
0.8
SW
18
0.8
SW
18
0.8
SW
17
0.9
SW
17
0.9
SW
17
0.9
SW
17
0.9
SW
17
0.9
SW
17
0.9
SW
17
1
SW
17
0.9
SW
17
0.9
SW
16
0.9
SW
16
0.9
SW
16
0.9
SW
16
0.9
SW
16
0.9
SW
16
0.9
SW
16
Wave Graph
Metric surfscale
Energy kJ
379
379
383
460
370
366
358
424
470
465
465
465
465
553
459
386
371
362
367
421
421
367
Wind (km/h)
0
N
10
WSW
15
SW
10
W
10
WNW
5
WNW
0
NW
0
W
0
WSW
10
WSW
15
W
15
W
10
WNW
10
WNW
5
NW
5
NNW
5
NNW
10
W
15
W
15
WNW
10
WNW
0
NNW
Wind State
glassy
cross-on
cross-on
on
on
glassy
glassy
glassy
glassy
on
on
on
cross-on
cross-on
cross-on
glassy
glassy
on
on
on
cross-on
glassy
High Tide
8:57AM1.12m
6:48PM1.39m
9:06AM1.18m
7:38PM1.48m
9:18AM1.25m
8:19PM1.55m
Low Tide
1:07PM0.94m
2:13AM0.13m
1:52PM0.81m
2:43AM0.08m
2:27PM0.68m
cloud
part cloud
cloud
part cloud
part cloud
clear
cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:48
6:50
6:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:02
7:01
7:00
 mm
Temp °C
15
20
22
19
15
15
15
14
15
18
19
17
14
14
14
14
15
20
21
20
16
16
Feels °C
16
20
21
19
15
15
16
15
16
17
18
15
13
14
14
14
15
19
20
18
15
17
  • 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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