
Surf Forecasts:
Big Rock surf forecast from 24 Jul 2026:
- Best quality surf: Saturday 25 Jul, 5AM (local time) - 3.5ft (1.0m), 21s period, SW swell with glassy winds.
- Most powerful swell: Friday 31 Jul, 5AM (local time) - 5ft (1.6m), 14s period, SSW swell with 1,091 kJ wave energy.
- Next surfable swell (1★+): Saturday 25 Jul, 2AM (local time) - 2.5ft (0.8m), 21s period with SW swell.
Best Forecast Surf Conditions for Big Rock this week:
The surf forecast for Big Rock over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Jul 25) at 2AM. The primary swell is predicted to be 0.8m and 21s period with a secondary swell of 0.7m and 7s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Big Rock in the next 16 days are 1.6m 14s and forecast to arrive on Friday (Jul 31) at 5AM. Winds are predicted to be glassy at the time the swell arrives.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Sat 25th Jul) | 2.5ft (0.8m) 21s |
| Best Surf | 5AM (Sat 25th Jul) | 3.5ft (1.0m) 21s |
| Most Powerful | 5AM (Fri 31st Jul) | 5ft (1.6m) 14s |
Table - best surf conditions forecast for Big Rock over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s break it down in feet and miles.
We’re looking at a pretty long, marginal run for Big Rock. The whole 16-day window is a bit of a grind. There’s a real gap at the start with no real surf to speak of, and the recommendations are thin. This first bit of the forecast is a struggle.
For the first few days, we’re dealing with small, weak swell and a lot of cross-onshore breeze. The water temp is about average for the time of year, nothing to write home about. Not a great start.
Friday the 24th and Saturday the 25th of July are basically a write-off. Tiny little 2ft to 3ft of SW swell, but with a very long period – around 24 seconds. That’s a groundswell, which sounds good in theory, but the wave energy is really weak (936 dropping to 550). The wind is a light cross-onshore, so it’s bumpy. You’re better off staying home.
There’s a little lift starting Sunday the 26th. The swell ticks up to 3ft from the SW, still a long period (19 seconds), but the energy is still low (858). The wind switches to a light cross-shore, which is a bit cleaner. Still not enough to get excited about.
Monday the 27th and Tuesday the 28th are the closest we get to a decent couple of days. The swell sits around 4ft to 4ft from the SSW, and the period drops to a more manageable 16-18 seconds. The combined energy climbs into the moderate range (1035-1083). The wind is a light cross-onshore, so the surface isn’t perfect, but it’s not blown out. This is your best bet for a session, but it’s still only a “maybe” – the tide and conditions are questionable.
After Tuesday the 28th, things drop off again. The swell fades through the end of July and into the first week of August. By the 2nd of August, we’re back to tiny 4ft swell and the energy is dropping fast. From the 3rd of August onwards, it’s basically flat. The wave energy is a pathetic 222 or less, with poor winds and choppy conditions. A real dry spell.
Rusty.
Short Range ForecastMostly dry. Warm (max 23°C on Sat morning, min 20°C on Thu night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 23°C on Mon morning, min 21°C on Sun night). Wind will be generally light. | ||||||||||||||||||
Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | Tuesday 28 | Wednesday 29 | ||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map | |||||||||||||||||||
Wave Height (m) Direction Period (s) | SSW 13 | SW 24 | SW 24 | SW 21 | SW 21 | SW 21 | SW 19 | SW 19 | SW 18 | SW 18 | SW 18 | SW 16 | SW 17 | SW 17 | SW 17 | SW 16 | SSW 16 | SSW 16 | SSW 16 |
Wave Graph | |||||||||||||||||||
321 | 541 | 271 | 647 | 647 | 513 | 945 | 716 | 609 | 694 | 901 | 511 | 717 | 951 | 897 | 669 | 674 | 666 | 706 | |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | glassy | on | cross-on | glassy | cross | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross |
High Tide | 8:42AM1.01m | 6:36PM1.63m | 9:14AM1.06m | 7:19PM1.70m | 9:38AM1.10m | 7:57PM1.78m | 9:59AM1.13m | 8:31PM1.83m | 10:21AM1.16m | 9:04PM1.87m | 10:44AM1.20m | 9:36PM1.87m | |||||||
Low Tide | 1:41AM0.12m | 12:05PM0.89m | 2:19AM0.02m | 1:00PM0.87m | 2:52AM-0.05m | 1:41PM0.83m | 3:22AM-0.11m | 2:17PM0.77m | 3:50AM-0.14m | 2:51PM0.72m | 4:17AM-0.16m | 3:25PM0.67m | 4:43AM-0.15m | ||||||
— | 5:56 | — | — | 5:56 | — | — | 5:58 | — | — | 5:58 | — | — | 5:58 | — | — | 6:00 | — | — | |
— | — | 7:52 | — | — | 7:52 | — | — | 7:52 | — | — | 7:51 | — | — | 7:50 | — | — | 7:50 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 21 | 22 | 21 | 23 | 22 | 21 | 22 | 22 | 22 | 23 | 23 | 22 | 23 | 23 | 22 | 22 | 22 | 22 |
Feels °C | 22 | 23 | 22 | 22 | 24 | 22 | 22 | 23 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 21 | 21 | 22 |
Swell 1 Height (m) Direction Period (s) | W 7 | W 7 | W 7 | SW 21 | SW 21 | SW 21 | SW 19 | SW 19 | SW 18 | SW 18 | SW 18 | SW 16 | SW 17 | SW 17 | SW 17 | SW 16 | SSW 16 | SSW 16 | SSW 16 |
97 | 112 | 83 | 647 | 647 | 513 | 945 | 716 | 609 | 694 | 901 | 511 | 717 | 951 | 897 | 669 | 674 | 666 | 706 | |
Swell 2 Height (m) Direction Period (s) | SSW 13 | SSW 12 | SSW 12 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 8 | WNW 8 | W 7 | W 8 | W 8 | W 8 | W 9 | W 10 | W 8 |
321 | 283 | 196 | 44 | 45 | 44 | 35 | 68 | 68 | 37 | 134 | 101 | 70 | 124 | 111 | 57 | 106 | 120 | 41 | |
Swell 3 Height (m) Direction Period (s) | SW 26 | SW 24 | SW 24 | SSW 11 | S 10 | S 10 | S 10 | SSW 11 | SSW 11 | SSW 11 | SSE 9 | SW 19 | S 8 | S 10 | S 10 | S 15 | SSE 14 | SSE 14 | WNW 8 |
105 | 541 | 271 | 113 | 50 | 47 | 48 | 74 | 46 | 46 | 17 | 299 | 6 | 8 | 8 | 17 | 68 | 118 | 63 | |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 18 | 127 | 18 | 0 | 18 | 204 | 0 | 6 | 204 | 3 | 6 | 66 | 4 | 6 | 18 | 6 | 127 | 6 | 4 |
Best forecast wave conditions in San Diego County | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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Information about the Big Rock Surf forecast
The above surf forecast table for Big Rock provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Big Rock can be found by selecting the local surf guide option on the grey menu. Our Big Rock surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Big Rock) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Big Rock may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Big Rock is 11 km (7 miles) from San Diego. If you plan a vacation in San Diego County, look for hotels and other accommodation in San Diego. San Diego has rooms for a wide range of budgets as well as car hire and transport links.










