Cardiff Reef Surf Break

Lat Long: 33.06° N 117.31° W

Cardiff Reef Surf Forecast and Surf Report

Issued: 4 pm 05 Aug 2026 (local time)

Forecast update in  hr  min

Today's Cardiff Reef sea temperature is
24.7° C
5.0° 

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


Cardiff Reef surf forecast from 6 Aug 2026:

  • Best quality surf: Saturday 8 Aug, 2AM (local time) - 3ft (0.9m), 18s period, SSW swell with glassy winds.
  • Most powerful swell: Saturday 8 Aug, 11PM (local time) - 3.5ft (1.0m), 16s period, SSW swell with 487 kJ wave energy.
  • Next surfable swell (1★+): Thursday 6 Aug, 8AM (local time) - 2ft (0.6m), 13s period with SW swell.

Best Forecast Surf Conditions for Cardiff Reef this week:

The surf forecast for Cardiff Reef over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 06) at 8AM. The primary swell is predicted to be 0.6m and 13s period with a secondary swell of 0.3m and 4s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Cardiff Reef in the next 16 days are 1.0m 16s and forecast to arrive on Saturday (Aug 08) at 11PM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 12s period and expected on Tuesday (Aug 11) at 11PM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Thu 6th Aug)2ft (0.6m) 13s
Best Surf 2AM (Sat 8th Aug)3ft (0.9m) 18s
Most Powerful11PM (Sat 8th Aug)3.5ft (1.0m) 16s

Table - best surf conditions forecast for Cardiff Reef over the next 16 days.


The Lowdown

Alright folks, Rusty here. Let’s have a look at what’s comin’ down the line for the next couple of weeks.

First off, I gotta be straight with you: this is a tough outlook. We’ve got a solid run of small, weak swell and mostly onshore or cross-onshore winds. The water temp is sitting at a balmy 77°F which is much warmer than normal for this time of year, so that’s one nice thing if you’re just floating around.

For the first week, starting Wednesday, August 5th through to about Tuesday, August 11th, it’s a real struggle. The swell is tiny, mostly 2 ft to 2 ft out of the SW to SSW, with the combined energy sometimes in the low 100s (168) but mostly bouncing between 300 and 400 (332, 364). The period is mostly short to moderate, 13 to 14 seconds, though there’s a spike of 20 seconds on Monday the 10th which is a long period groundswell, but with only 2 ft it’s barely a ripple. The wind is onshore or cross-onshore from the W or SW, ranging from 6 to 9 mph, so it’s choppy and messy. The conditions are repeatedly described as poor, and the scores are a flat zero. There’s a couple of days – Friday the 7th and Tuesday the 11th – where the forecast calls it “marginal,” but with that wind, it’s still not worth paddling out. You’d be better off with a kite.

Then from the 12th to the 15th, the swell starts to bump up a little. By Friday morning, August 14th, we’re seeing 3 ft to 3 ft from the SSW with a period of 18 seconds (groundswell), and the combined energy is climbing – 599 and 722. That’s still moderate energy, but the period is long. The wind is still onshore from the W or WSW at 9 mph. Saturday the 15th peaks at 3 ft to 4 ft, 16 seconds, and energy hits 805 – solid moderate energy. But again, the wind is onshore. The forecast still calls it “marginal” or “poor.” This is a real kick in the teeth, because the swell is actually there, but the wind is just ruining it.

The standouts in this whole 16-day window, if you can call them that, are the mornings of Friday, August 14th and Saturday, August 15th. For Cardiff Reef (just “Cardiff Reef,” no special region label needed), we’re looking at a 3 ft to 3 ft SSW groundswell with a period of 16 to 18 seconds. The energy is a respectable 599 to 640. The wind is onshore from the W at 9 mph, which isn’t glassy, but it’s better than cross-onshore. The wave comment is “marginal surf forecast or questionable tide conditions.” This is a reef break, so it handles long period swell better than a beach break, but it’s inconsistent. The crowds are listed as “sometimes,” so you might have a few others out. The optimum swell direction for this spot is WNW, and we’re getting SSW, so it’s not the best angle. Honestly, it’s the best of a bad bunch.

Beyond that, the second week (August 16th to 20th) sees the swell drop back down to 2 ft to 3 ft, with the same onshore wind story. The energy stays in the 300s to 400s (438, 463). There’s nothing to get excited about. It’s a long, flat, and choppy run.

Look, the outlook is grim. There’s a long gap of almost no quality surf until about the 14th, and even then it’s only marginal. We’ve got a consistent break here, but the conditions just aren’t cooperating. Forecasts can change, but right now, I’d be hanging up the wettie for a bit. That’s all I got.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 25°C on Sat morning, min 20°C on Wed night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 25°C on Sat afternoon, min 22°C on Sat night). Wind will be generally light.

Wed
5
Thursday
6
Friday
7
Saturday
8
Sunday
9
Monday
10
Tuesday
11
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
2
1
0
3
0
0
3
0
0
2
0
0
2
0
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)
0.6
SW
14
0.6
SW
14
0.6
SW
13
0.6
SW
13
0.6
SW
13
0.7
SSW
19
0.6
SSW
19
0.9
SSW
18
0.8
SSW
17
0.9
SSW
16
1
SSW
16
0.9
SSW
15
0.9
SSW
15
0.9
SSW
14
0.8
SSW
13
0.5
SW
20
0.5
SW
19
0.6
SSW
13
0.7
SW
18
0.7
SW
18
Wave Graph
Metric surfscale
Energy kJ
125
158
111
140
126
329
241
438
336
366
481
309
305
297
204
186
184
129
319
316
Wind (km/h)
15
W
5
WNW
10
WSW
10
W
5
W
10
WSW
10
W
5
W
15
W
15
W
5
WNW
10
SW
10
WSW
5
SW
10
SW
15
SW
5
SW
10
SW
10
WSW
5
WNW
Wind State
on
cross-on
on
on
glassy
on
on
glassy
on
on
glassy
cross-on
on
glassy
cross-on
cross-on
glassy
cross-on
cross-on
glassy
High Tide
2:30PM1.95m
4:22AM1.20m
3:37PM2.01m
6:46AM1.26m
4:52PM2.10m
7:50AM1.38m
6:01PM2.23m
8:30AM1.50m
7:02PM2.36m
9:05AM1.60m
7:55PM2.46m
9:38AM1.70m
8:44PM2.49m
Low Tide
10:15PM0.74m
8:02AM1.09m
11:46PM0.56m
9:33AM1.20m
00:52AM0.35m
11:21AM1.22m
1:44AM0.16m
12:39PM1.15m
2:29AM0.02m
1:40PM1.04m
3:10AM-0.05m
2:33PM0.92m
3:48AM-0.05m
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:05
6:05
6:07
6:07
6:07
6:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:45
7:44
7:43
7:42
7:40
7:39
7:38
 mm
Temp °C
22
21
23
23
21
24
24
22
25
25
23
25
25
23
25
25
23
25
25
22
Feels °C
22
22
24
23
22
24
23
23
25
24
24
26
25
24
25
24
24
25
25
23
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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 Cardiff Reef Surf forecast

The above surf forecast table for Cardiff Reef provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Cardiff Reef can be found by selecting the local surf guide option on the grey menu. Our Cardiff Reef 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 (Cardiff Reef) 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 Cardiff Reef 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.

Cardiff Reef is 3 km (2 miles) from the city of Encinitas. If you plan a vacation in San Diego County, look for hotels and other accommodation in Encinitas. Encinitas has rooms for a wide range of budgets as well as car hire and transport links.

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