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Mouse Rock Surf Forecast
/ CAL – San Luis Obispo (23 breaks) / California (404 breaks) /
Surf Forecasts:
Mouse Rock surfForecast / CAL – San Luis Obispo / USA
48hr Weather and Surf, issued 4 pm Thursday 18 Sep 2025 PDT
How big are the waves at Mouse Rock today?
The current surf forecast for Mouse Rock at 7PM is: 1.3m 10s primary swell from a West-northwest direction and 0.7m 14s secondary swell from a South-southwest direction (forecast issued at 04:00pm September 18). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | - | - |
| Afternoon (18 Sep) | 4.5ft (1.4m) | 8s |
| Evening (18 Sep) | 4.5ft (1.4m) | 10s |
Table - waves today at Mouse Rock. (Swell directed towards the surf break)
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | |||||||||||||||||||||
| 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 | 2 AM | 5 AM | 8 AM | 11 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 10 | 10 | 15 | 10 | 9 | 10 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 295 | 269 | 386 | 394 | 394 | 347 | 277 | 239 | 239 | 182 | 178 | 171 | 139 | 120 | 92 | 88 | 106 | 161 | 48 | 104 | 78 | 71 | 49 | 80 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | glass | glass | glass | glass | glass | cross- on | on | on | glass | cross- on | cross- on | glass | glass | on | on | on | on | glass | glass | glass | glass | on |
High Tide / height (m) | 8:51PM 1.71 | 9:59AM 1.44 | 9:32PM 1.69 | 10:22AM 1.50 | 10:09PM 1.64 | 10:43AM 1.55 | ||||||||||||||||||
Low Tide / height (m) | 2:53PM 0.55 | 3:37AM -0.09 | 3:32PM 0.43 | 4:05AM -0.03 | 4:08PM 0.33 | 4:30AM 0.07 | ||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 6:48 | - | - | - | - | - | - | - | 6:48 | - | - | - | - | - | - | - | 6:50 | - |
| Sunset | - | 7:06 | - | - | - | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:02 | - | - | - | - | - | - |
 | |  |  | | |  | | |  | |  | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 20 | 18 | 18 | 18 | 18 | 18 | 18 | 21 | 22 | 20 | 17 | 18 | 18 | 18 | 19 | 22 | 22 | 21 | 16 | 16 | 16 | 17 | 18 | 22 |
| Feels °C (?) | 20 | 18 | 19 | 19 | 19 | 19 | 19 | 22 | 22 | 20 | 17 | 18 | 18 | 18 | 20 | 22 | 21 | 20 | 16 | 17 | 17 | 18 | 19 | 22 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for CAL - San Luis Obispo
Continuing clean conditions at Mouse Rock (calm at Cal Poly Engineering 27 km from Mouse Rock). A 1.7m swell from the WNW
27 km away, 55 min ago
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