Mouse Rock surfForecast / CAL – San Luis Obispo / USA

information circle48hr Weather and Surf, issued 4 am Thursday 21 May 2026 PDT
Forecast update in hr  min  s Forecast update imminent
Mouse Rock surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Mouse Rock sea temperature is
12.4° C
(Which is 1.4°C colder than average for this time of year)

How big are the waves at Mouse Rock today?

The current surf forecast for Mouse Rock at 12PM is: 1.4m 12s primary swell from a West-northwest direction and 0.5m 19s secondary swell from a Southwest direction (forecast issued at 04:00am May 21). The wind direction is predicted to be onshore.

Time (PDT) & DateWave HeightWave Period
Morning (21 May)4.5ft (1.3m)12s
Afternoon (21 May)4.5ft (1.4m)11s
Evening (21 May)4ft (1.2m)11s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 20°C on Thu morning, min 11°C on Thu night). Wind will be generally light.

Thursday
21
Friday
22
Saturday
23
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
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
3
3
3
2
1
0
1
2
2
2
1
1
1
1
2
2
2
2
2
1
0
1
2
2
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.3
WNW
12
1.3
WNW
12
1.3
WNW
12
1.4
WNW
12
1.4
WNW
11
1.3
WNW
11
1.3
WNW
11
1.2
WNW
11
1.1
WNW
11
1
WNW
11
1
WNW
11
1
WNW
11
0.6
SSW
18
0.9
WNW
10
0.9
WNW
10
0.9
WNW
10
0.9
WNW
10
0.7
SW
16
0.7
SW
16
0.7
SW
16
0.7
SW
16
0.7
SW
16
0.7
SW
16
0.8
SSW
16
Wave Graph
Metric surfscale
Energy kJ
500
429
429
509
475
366
359
311
286
242
238
234
220
178
175
178
188
251
255
255
258
258
258
322
Wind (km/h)
5
NW
5
NNW
5
NW
10
W
10
WSW
10
W
5
W
5
W
5
NW
5
WNW
5
W
10
WSW
15
WSW
10
WSW
5
WSW
0
NW
0
NW
0
S
5
SSE
10
SW
10
SW
10
SW
5
WSW
0
NW
glassy
glassy
glassy
on
on
on
on
glassy
glassy
glassy
on
cross-on
cross-on
cross-on
glassy
glassy
glassy
glassy
glassy
cross-on
cross-on
cross-on
glassy
glassy
High Tide
1:39AM1.60m
4:36PM1.09m
2:52AM1.41m
5:36PM1.19m
4:16AM1.25m
6:24PM1.30m
Low Tide
9:22AM-0.23m
9:03PM0.79m
10:24AM-0.12m
10:48PM0.72m
11:22AM-0.00m
clear
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:54
5:54
5:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:05
8:06
8:07
Temp °C
13
15
18
20
20
18
13
11
12
12
14
17
17
16
12
11
11
11
13
17
17
16
13
11
12
14
17
19
18
16
12
10
11
11
13
15
15
14
11
11
11
11
12
15
15
15
13
11
Swell 1
Height (m)
Direction
Period (s)
1.3
WNW
12
1.3
WNW
12
1.3
WNW
12
1.4
WNW
12
1.4
WNW
11
1.3
WNW
11
1.3
WNW
11
1.2
WNW
11
1.1
WNW
11
1
WNW
11
1
WNW
11
1
WNW
11
1
WNW
10
0.9
WNW
10
0.9
WNW
10
0.9
WNW
10
0.9
WNW
10
0.9
WNW
10
0.8
WNW
10
0.8
WNW
10
0.9
NW
10
0.9
NW
10
0.8
WNW
10
0.8
SSW
16
Energy kJ
500
429
429
509
475
366
359
311
286
242
238
234
220
178
175
175
175
171
125
125
145
139
120
322
Swell 2
Height (m)
Direction
Period (s)
0.5
SW
19
0.6
SW
19
0.6
SW
19
0.5
SW
19
0.5
SW
15
0.5
SW
15
0.5
SW
15
0.6
SSW
15
0.5
SW
15
0.6
SSW
18
0.6
SSW
18
0.6
SSW
18
0.6
SSW
18
0.5
SW
18
0.5
SW
14
0.6
SW
15
0.6
SW
15
0.7
SW
16
0.7
SW
16
0.7
SW
16
0.7
SW
16
0.7
SW
16
0.7
SW
16
0.6
WNW
8
Energy kJ
184
303
303
184
109
110
110
150
104
207
207
207
207
150
103
178
188
251
255
255
258
258
258
42
Swell 3
Height (m)
Direction
Period (s)
0.4
S
13
0.5
SW
15
0.5
SW
15
0.5
SW
15
0.5
S
12
0.4
S
12
0.4
S
12
0.4
S
12
0.4
S
12
0.5
S
12
0.5
S
12
0.5
SW
14
0.5
SW
14
0.5
SW
14
0.4
S
12
0.4
S
12
0.4
S
12
0.4
S
12
0.4
S
12
0.4
S
12
0.4
S
12
0.4
S
12
0.4
S
12
0.6
WNW
10
Energy kJ
52
109
109
109
77
48
47
47
47
74
75
102
102
102
47
47
46
45
44
44
43
43
43
67
Wind waves
Height (m)
Direction
Period (s)
Energy kJ
Nearest Offshore or Glassy
Rating
(10 max)
3
3
3
3
1
1
2
3
3
2
2
2
2
1
2
2
2
2
2
2
2
2
2
2
Distance (km)
0
0
0
119
177
151
34
0
0
0
42
119
160
151
0
0
0
0
0
160
376
71
0
0
Best forecast wave conditions in San Luis Obispo
Rating
(10 max)
3
3
3
2
3
3
3
2
2
2
2
2
2
2
2
Best forecast wave conditions in United States
Rating
(10 max)
3
4
3
3
1
1
4
3
3
3
3
2
3
3
2
2
2
2
2
2
3
2
2
3
Header Global
Rating
(10 max)
5
5
5
5
5
5
5
7
7
7
6
6
7
8
6
7
8
8
7
7
6
6
5
5
  • 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

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