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 4AM is: 0.7m 14s primary swell from a South-southwest direction and 1.0m 6s secondary swell from a West-northwest direction, 1.4m 6s secondary swell from a Northwest direction (forecast issued at 10:00pm August 20). The wind direction is predicted to be glassy and the swell rating is 2.
| 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 Sun morning, min 15°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | ||||||||||||||||
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 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | NW 7 | NW 6 | NW 6 | SSW 13 | WNW 6 | WNW 6 | WNW 7 | NW 7 |
Wave Graph  | ||||||||||||||||||
 kJ | 236 | 236 | 233 | 175 | 145 | 141 | 101 | 154 | 164 | 140 | 253 | 207 | 162 | 98 | 131 | 191 | 229 | 487 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | glassy | glassy | glassy | glassy | on | on | on | on | glassy | glassy | cross | cross | cross-on | on | on | on | glassy |
High Tide | 9:20AM0.98m | 6:17PM1.42m | 9:34AM1.05m | 7:18PM1.50m | ||||||||||||||
Low Tide | 1:25AM0.29m | 11:31AM0.96m | 2:18AM0.17m | 1:09PM0.93m | ||||||||||||||
 |  | | |  | | |  | | | | | | | | | | | |
 | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 7:45 | — | — | — | — | — | — | — | 7:44 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 15 | 16 | 17 | 19 | 23 | 23 | 22 | 17 | 17 | 18 | 18 | 21 | 25 | 25 | 25 | 19 | 19 |
Feels °C | 16 | 15 | 16 | 17 | 19 | 22 | 22 | 21 | 17 | 17 | 18 | 17 | 20 | 24 | 23 | 23 | 19 | 19 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | WNW 6 | WNW 6 | WNW 6 | SSW 13 | SSW 13 | SSW 16 | SSW 12 | WNW 7 |
| kJ | 236 | 85 | 73 | 71 | 50 | 141 | 101 | 99 | 99 | 99 | 110 | 87 | 73 | 98 | 95 | 100 | 59 | 222 |
Swell 2 Height (m) Direction Period (s) | WNW 12 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | WNW 11 | WNW 11 | SW 18 | WNW 11 | WNW 11 | SSW 13 | SSW 13 | SSW 13 | WNW 10 | SW 17 | SSW 12 | SSW 15 | SSW 12 |
| kJ | 123 | 236 | 233 | 175 | 145 | 68 | 66 | 49 | 65 | 64 | 99 | 98 | 98 | 34 | 47 | 60 | 75 | 59 |
Swell 3 Height (m) Direction Period (s) | SW 19 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | SW 18 | SW 18 | S 10 | SW 18 | SW 17 | WNW 11 | WNW 10 | WNW 10 | SW 18 | S 10 | S 10 | SW 19 | SSW 15 |
| kJ | 15 | 121 | 98 | 95 | 68 | 82 | 50 | 8 | 48 | 47 | 64 | 42 | 41 | 50 | 8 | 8 | 57 | 76 |
Wind waves Height (m) Direction Period (s) | WNW 5 | NW 6 | NW 6 | NW 6 | NW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | NW 7 | NW 6 | NW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 7 | NW 7 |
| kJ | 61 | 131 | 170 | 139 | 120 | 53 | 80 | 154 | 164 | 140 | 253 | 207 | 162 | 73 | 131 | 191 | 229 | 487 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 34 | 0 | 0 | 0 | 0 | 151 | 151 | 130 | 34 | 0 | 0 | 0 | 0 | 222 | 151 | 130 | 134 | 0 |
Best forecast wave conditions in San Luis Obispo | ||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||
Header Global | ||||||||||||||||||
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Surf Rating (10 Max)
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