Big Rock Surf Break

Lat Long: 32.82° N 117.28° W

Big Rock Surf Forecast and Surf Report

Issued: 10 am 13 Jul 2026 (local time)

Forecast update in  hr  min

Today's Big Rock sea temperature is
21.8° C
2.6° 

Big Rock surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Big Rock surf forecast from 13 Jul 2026:

  • Best quality surf: Sunday 19 Jul, 8AM (local time) - 2.5ft (0.8m), 16s period, SW swell with glassy winds.
  • Most powerful swell: Saturday 18 Jul, 2PM (local time) - 2.5ft (0.8m), 18s period, SW swell with 370 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 15 Jul, 8AM (local time) - 1.5ft (0.5m), 18s 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 Wednesday (Jul 15) at 8AM. The primary swell is predicted to be 0.5m and 18s period with a secondary swell of 0.6m and 13s. 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 0.8m 18s and forecast to arrive on Saturday (Jul 18) at 2PM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Wed 15th Jul)1.5ft (0.5m) 18s
Best Surf 8AM (Sun 19th Jul)2.5ft (0.8m) 16s
Most Powerful 2PM (Sat 18th Jul)2.5ft (0.8m) 18s

Table - best surf conditions forecast for Big Rock over the next 16 days.


The Lowdown

Alright folks, Rusty here. Let’s have a look at what’s shaping up at Big Rock.

First off, the water is running at 71°F — that’s much warmer than normal for this time of year, so you’ll be comfortable in a spring suit or even a shorty, no worries there.

Honestly, the next week and a half is looking pretty flat and sad. There’s a real dry spell from now until the 23rd of July. The swell is tiny, mostly under 3 ft, and the wind is often cross or cross-on, which leaves the surface choppy. The combined energy is weak to moderate (values between 249 and 722), but it’s not producing any rideable waves. You’ll see a few marginal mornings with light winds, like Monday morning the 13th (3 ft SSW swell, 13 seconds, light breeze) or Wednesday morning the 15th, but the tide or overall conditions are just off. It’s a frustrating stretch.

The real standout, the one that’s worth circling on your calendar, is Thursday the 23rd of July. That morning, we see a jump in size to 5 ft from the SSW, with a period of 14 seconds. The combined energy hits 1124, which is strong. The wind is light from the WSW, so it’s light cross-on — just a few ripples on the surface. That’s the best mix of size, energy, and clean conditions we’ve got. The water will still be that warm anomaly. This is a reef break, and with a 14-second period, the waves will have some punch and shape, but it’s still a fairly consistent spot. At 5 ft, it’s manageable for strong intermediates, but it’s not a beginner wave. The optimum swell direction here is W, and we’re getting SSW, so it’s not perfectly aligned, but the energy is enough to make it work. Crowds are often around, so expect company.

The Friday the 24th morning is also promising, with 6 ft SSW swell at 14 seconds and an offshore wind from the WNW. That’s clean, but the period is a touch shorter, and the energy (1213) is just as solid. It’s a close second, but the Thursday morning has the edge on lighter wind.

After that, it fades back into small, marginal junk through the end of the month. The 26th and 27th see some longer-period swell (19 seconds) but only 2 ft to 3 ft, so it’s all gape and no wave.

So, if you’re keen, keep your eyes on the 23rd. That’s the one.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 23°C on Tue afternoon, min 19°C on Mon morning). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Warm (max 22°C on Thu afternoon, min 19°C on Thu night). Wind will be generally light.

Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
0
1
0
0
1
1
1
1
0
0
0
0
0
1
0
0
1
1
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
SSW
13
0.6
SW
13
0.7
SW
13
0.7
SSW
12
0.5
SW
18
0.6
SW
18
0.5
SW
17
0.5
SW
16
0.6
WSW
16
0.6
WSW
16
1.1
W
8
0.6
WSW
15
0.5
SW
19
0.4
SW
18
0.6
WSW
15
0.8
SW
18
0.7
SW
18
0.8
S
12
0.8
SW
17
0.8
SW
17
0.8
SW
16
Wave Graph
Metric surfscale
Energy kJ
277
140
183
136
154
249
148
130
171
169
161
144
181
104
142
366
300
196
339
354
314
Wind (km/h)
10
W
15
WNW
10
NW
15
WNW
15
NW
5
WNW
10
WSW
10
W
5
SW
20
SSW
25
S
20
S
25
S
20
SSW
15
S
15
SSW
10
SW
5
SSW
10
WSW
15
W
10
SW
Wind State
on
cross-on
cross-on
cross-on
cross-on
on
cross-on
on
cross-on
cross
cross
cross
cross
cross
cross
cross-on
cross-on
cross
cross-on
on
cross-on
High Tide
10:03AM1.16m
8:48PM2.18m
10:43AM1.22m
9:37PM2.16m
11:24AM1.28m
10:25PM2.06m
12:05PM1.33m
11:13PM1.89m
12:46PM1.38m
00:02AM1.65m
1:30PM1.42m
00:55AM1.38m
2:16PM1.45m
2:00AM1.12m
Low Tide
2:25PM0.66m
4:11AM-0.50m
3:18PM0.61m
4:54AM-0.46m
4:11PM0.57m
5:35AM-0.36m
5:06PM0.56m
6:14AM-0.21m
6:05PM0.57m
6:52AM-0.02m
7:12PM0.59m
7:29AM0.19m
8:31PM0.58m
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:50
5:50
5:50
5:52
5:52
5:52
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:59
7:58
7:58
7:57
7:57
7:55
7:55
 mm
Temp °C
20
21
21
22
23
22
23
23
23
21
22
20
21
20
20
21
21
20
20
21
20
Feels °C
21
22
22
22
23
22
23
23
24
21
21
19
19
18
19
21
21
21
20
21
21
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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.

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