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Morro Rock Surf Forecast
/ CAL – San Luis Obispo (23 breaks) / California (404 breaks) /
Surf Forecasts:
Morro Rock surfForecast / CAL – San Luis Obispo / USA
48hr Weather and Surf, issued 10 am Thursday 18 Sep 2025 PDT
How big are the waves at Morro Rock today?
The current surf forecast for Morro Rock at 1PM is: 0.9m 9s primary swell from a West-northwest direction (forecast issued at 10:00am September 18). An open ocean swell of 0.7m 14s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 2.5ft (0.8m) | 9s |
| Afternoon (18 Sep) | 3.5ft (1.0m) | 9s |
| Evening (18 Sep) | 4.5ft (1.4m) | 10s |
Table - waves today at Morro Rock. (Swell directed towards the surf break)
Thursday 18 | Friday 19 | Saturday 20 | Sun 21 | |||||||||||||||||||||
| 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 | 2 AM | 5 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 10 | 5 | 6 | 6 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 117 | 124 | 168 | 267 | 386 | 394 | 347 | 304 | 277 | 239 | 239 | 239 | 178 | 171 | 139 | 120 | 117 | 235 | 133 | 192 | 59 | 114 | 92 | 71 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | glass | on | cross- on | glass | glass | glass | glass | glass | cross- on | on | on | on | cross- on | cross- on | cross- on | glass | on | on | on | on | cross- on | glass | glass |
High Tide / height (m) | 9:35AM 1.37 | 8:51PM 1.71 | 9:59AM 1.44 | 9:32PM 1.69 | 10:22AM 1.50 | 10:09PM 1.64 | ||||||||||||||||||
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 | Sun 21 | |||||||||||||||||||||
| Sunrise | 6:48 | - | - | - | - | - | - | - | 6:48 | - | - | - | - | - | - | - | 6:48 | - | - | - | - | - | - | - |
| Sunset | - | - | - | 7:06 | - | - | - | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:02 | - | - | - | - |
 |  | | |  | |  | |  |  | | |  | | | | | | | | | | | | |
Rain (mm) | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 21 | 20 | 19 | 18 | 17 | 17 | 17 | 18 | 20 | 21 | 20 | 17 | 16 | 17 | 17 | 18 | 21 | 22 | 20 | 16 | 16 | 16 | 16 |
| Feels °C (?) | 18 | 22 | 20 | 20 | 19 | 18 | 18 | 18 | 19 | 21 | 21 | 20 | 17 | 15 | 17 | 17 | 18 | 20 | 21 | 19 | 15 | 16 | 16 | 16 |
- 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
Cross-on wind has become light (light winds from the WNW at Cal Poly Engineering 21 km from Morro Rock). 1.1m 9s swell from the WNW with a 0.5m 12s groundswell from the NW. 2 swells combining to make bigger set waves.
21 km away, 55 min ago
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