Surf Forecasts:
How big are the waves at Mouse Rock today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 2ft (0.6m), 14s period with SSW swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 4.5ft (1.3m), 6s period with WNW swell.
- Evening surf: Evening surf (21 Aug, local time) - 5ft (1.5m), 6s period with WNW swell.
The current surf forecast for Mouse Rock at 5PM is: 1.5m 6s primary swell from a West-northwest direction and 0.5m 13s secondary swell from a South-southwest direction, 0.3m 18s secondary swell from a Southwest direction (forecast issued at 10:00am August 21). The wind direction is predicted to be onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 2ft (0.6m) | 14s |
| Afternoon (21 Aug) | 4.5ft (1.3m) | 6s |
| Evening (21 Aug) | 5ft (1.5m) | 6s |
Table - waves today at Mouse Rock. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Sat afternoon, min 17°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | ||||||||||||||||||||
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 | |
Swell Height Map | ||||||||||||||||||||||
Wave Height (m) Direction Period (s) | SSW 14 | SSW 13 | WNW 6 | WNW 6 | WNW 6 | NW 7 | NW 7 | NW 6 | SSW 13 | SSW 13 | WNW 6 | WNW 6 | WNW 7 | NW 7 | WNW 7 | NW 7 | NW 7 | WNW 7 | WNW 6 | WNW 6 | SW 18 | NW 6 |
Wave Graph | ||||||||||||||||||||||
145 | 141 | 101 | 154 | 164 | 279 | 261 | 207 | 167 | 98 | 150 | 191 | 254 | 515 | 192 | 321 | 284 | 129 | 118 | 131 | 155 | 207 | |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | on | on | glassy | glassy | cross | cross | cross-on | on | on | on | glassy | glassy | cross | cross-on | on | on | on | on | glassy |
High Tide | 9:20AM0.98m | 6:17PM1.42m | 9:34AM1.05m | 7:18PM1.50m | 9:50AM1.10m | 8:05PM1.59m | ||||||||||||||||
Low Tide | 11:31AM0.96m | 2:18AM0.17m | 1:09PM0.93m | 2:56AM0.08m | 2:02PM0.85m | |||||||||||||||||
6:26 | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | |
— | — | — | 7:45 | — | — | — | — | — | — | — | 7:44 | — | — | — | — | — | — | — | 7:43 | — | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 22 | 23 | 22 | 17 | 17 | 18 | 18 | 21 | 25 | 26 | 25 | 19 | 19 | 20 | 20 | 21 | 25 | 25 | 23 | 17 | 17 |
Feels °C | 18 | 21 | 22 | 21 | 17 | 17 | 18 | 17 | 20 | 23 | 25 | 23 | 19 | 20 | 20 | 19 | 20 | 24 | 24 | 22 | 17 | 18 |
Swell 1 Height (m) Direction Period (s) | WNW 6 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | SSW 13 | SSW 13 | SSW 16 | SSW 12 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | S 16 | SSW 13 | SSW 13 | SW 18 | WNW 6 |
53 | 141 | 101 | 99 | 99 | 140 | 114 | 73 | 73 | 98 | 95 | 100 | 59 | 256 | 192 | 136 | 117 | 131 | 64 | 65 | 155 | 110 | |
Swell 2 Height (m) Direction Period (s) | SSW 14 | WNW 11 | WNW 11 | SW 18 | WNW 11 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | WNW 10 | SW 17 | SSW 12 | SSW 15 | SSW 12 | SSW 12 | SSW 16 | SSW 12 | SSW 13 | SSW 16 | SW 18 | SSW 13 | SSW 14 |
145 | 68 | 66 | 49 | 65 | 99 | 99 | 98 | 151 | 34 | 47 | 60 | 75 | 59 | 59 | 193 | 89 | 62 | 84 | 112 | 56 | 156 | |
Swell 3 Height (m) Direction Period (s) | WNW 11 | SW 18 | SW 18 | S 10 | SW 18 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | SW 18 | S 10 | S 10 | SW 19 | SSW 15 | SSW 15 | SW 19 | SW 19 | SW 19 | SW 18 | SSW 16 | S 16 | SW 18 |
68 | 82 | 50 | 8 | 48 | 64 | 64 | 42 | 41 | 50 | 8 | 8 | 57 | 76 | 77 | 96 | 131 | 129 | 116 | 84 | 77 | 157 | |
Wind waves Height (m) Direction Period (s) | NW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | NW 7 | NW 7 | NW 6 | NW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 7 | NW 7 | — | NW 7 | NW 7 | WNW 7 | WNW 6 | WNW 6 | WNW 6 | NW 6 |
105 | 49 | 80 | 154 | 164 | 279 | 261 | 207 | 167 | 73 | 150 | 191 | 254 | 515 | — | 321 | 284 | 113 | 118 | 131 | 118 | 207 | |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 34 | 151 | 151 | 130 | 34 | 0 | 0 | 0 | 0 | 177 | 151 | 130 | 130 | 0 | 0 | 0 | 0 | 177 | 151 | 130 | 34 | 0 |
Best forecast wave conditions in San Luis Obispo | ||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||
Header Global | ||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)












