Surf Forecasts:
How big are the waves at Big Rock today (20 Jul):
- Morning surf: Morning surf (20 Jul, local time) - 2.5ft (0.8m), 15s period with SW swell.
- Afternoon surf: Afternoon surf (20 Jul, local time) - 2.5ft (0.8m), 16s period with SW swell.
- Evening surf: Evening surf (20 Jul, local time) - 2.5ft (0.8m), 15s period with SW swell.
The current surf forecast for Big Rock at 1PM is: 0.8m 16s primary swell from a Southwest direction and 0.9m 11s secondary swell from a South-southwest direction (forecast issued at 10:00am July 20). The wind direction is predicted to be onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Jul) | 2.5ft (0.8m) | 15s |
| Afternoon (20 Jul) | 2.5ft (0.8m) | 16s |
| Evening (20 Jul) | 2.5ft (0.8m) | 15s |
Table - waves today at Big Rock. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 23°C on Tue morning, min 20°C on Mon morning). Wind will be generally light. | ||||||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | ||||||||||||||||||||
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) | SW 15 | SW 15 | SW 16 | SW 16 | SW 16 | SW 14 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | S 14 | S 13 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 273 | 284 | 348 | 306 | 357 | 211 | 492 | 492 | 553 | 532 | 505 | 375 | 499 | 499 | 492 | 424 | 424 | 418 | 407 | 412 | 372 | 440 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | on | glassy | cross-on | on | on | on | on | cross-on | cross-on | on | on | on | on | cross-on | cross-on | cross-on |
High Tide | 3:05PM1.48m | 3:37AM0.92m | 3:58PM1.50m | 5:57AM0.86m | 4:54PM1.53m | |||||||||||||||||
Low Tide | 8:06AM0.41m | 10:06PM0.52m | 8:46AM0.60m | 11:41PM0.40m | 9:39AM0.76m | |||||||||||||||||
 |  | | |  | | | | | | | | | | | | | | | | | | |
 | 5:54 | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | — | — | — | 7:54 | — | — | — | — | — | — | — | 7:54 | — | — | — | — | — | — | — | 7:53 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 22 | 23 | 23 | 22 | 22 | 22 | 22 | 21 | 21 | 22 | 22 | 23 | 22 | 21 |
Feels °C | 22 | 23 | 22 | 22 | 23 | 22 | 22 | 23 | 22 | 22 | 22 | 20 | 22 | 22 | 23 | 22 | 21 | 22 | 21 | 22 | 22 | 22 |
Swell 1 Height (m) Direction Period (s) | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 10 | SSW 10 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | S 14 | S 13 |
| kJ | 254 | 254 | 206 | 206 | 146 | 100 | 492 | 492 | 553 | 532 | 505 | 375 | 499 | 499 | 492 | 424 | 424 | 418 | 407 | 412 | 372 | 440 |
Swell 2 Height (m) Direction Period (s) | SW 15 | SW 15 | SW 16 | SW 16 | SW 16 | SW 14 | SSW 10 | SSW 9 | S 9 | SSW 9 | SSW 9 | SSW 9 | SSW 9 | SSW 8 | SSW 8 | SW 8 | SW 8 | SW 8 | S 14 | S 14 | SW 14 | SW 14 |
| kJ | 273 | 284 | 348 | 306 | 357 | 192 | 98 | 92 | 57 | 62 | 82 | 80 | 44 | 54 | 38 | 34 | 23 | 30 | 146 | 175 | 293 | 336 |
Swell 3 Height (m) Direction Period (s) | W 5 | WNW 5 | WNW 5 | WNW 5 | WNW 5 | SW 16 | WNW 14 | W 14 | W 14 | W 14 | W 14 | SW 12 | S 8 | WSW 21 | WSW 21 | S 8 | S 8 | S 15 | SW 8 | SW 7 | SW 7 | SW 7 |
| kJ | 8 | 8 | 8 | 5 | 5 | 211 | 40 | 36 | 35 | 35 | 14 | 66 | 12 | 44 | 44 | 19 | 19 | 68 | 20 | 19 | 19 | 17 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | W 4 | W 5 | WNW 5 | WNW 5 | WNW 4 | WNW 4 | — | — | WNW 4 | WNW 5 | WNW 5 | WNW 5 | WNW 5 |
| kJ | — | — | — | — | — | — | — | — | — | 2 | 2 | 2 | 4 | 3 | 3 | — | — | 4 | 9 | 15 | 20 | 27 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 0 | 3 | 0 | 18 | 295 | 18 | 18 | 18 | 1 | 0 | 10 | 18 | 295 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 211 | 18 |
Best forecast wave conditions in San Diego County | ||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||
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