Cardiff Reef Surf Break

Lat Long: 33.06° N 117.31° W

Cardiff Reef Surf Forecast and Surf Report

Issued: 4 pm 12 Sep 2026 (local time)

Forecast update in  hr  min

Today's Cardiff Reef sea temperature is
23.0°C
3.0° 

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 13 Sep 2026:

  • Best quality surf: Wednesday 16 Sep, 8AM (local time) - 3ft (0.9m), 17s period, SSW swell with glassy winds.
  • Most powerful swell: Wednesday 16 Sep, 8AM (local time) - 3ft (0.9m), 17s period, SSW swell with 475 kJ wave energy.
  • Next surfable swell (1★+): Saturday 12 Sep, 11PM (local time) - 2ft (0.6m), 14s 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 Saturday (Sep 12) at 11PM. The primary swell is predicted to be 0.6m and 14s period with a secondary swell of 0.6m and 5s. 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 0.9m 17s and forecast to arrive on Wednesday (Sep 16) at 8AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 12s period and expected on Thursday (Sep 17) at 5PM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+)11PM (Sat 12th Sep)2ft (0.6m) 14s
Best Surf 8AM (Wed 16th Sep)3ft (0.9m) 17s
Most Powerful 8AM (Wed 16th Sep)3ft (0.9m) 17s

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 cookin' for Cardiff Reef over the next couple of weeks.

Right off the bat, I gotta be straight with you – the surf quality is pretty grim for the first few days. We’re looking at small, weak waves, and the wind is all wrong. Saturday the 12th has a light offshore breeze but only 2ft of swell from the SW, and the water is a toasty 73° – that's 5° warmer than usual for this time of year, which is very unusual. The combined energy is a moderate 232, but the wave comment is 'poor surf conditions', so don't get your hopes up.

Sunday the 13th is more of the same, with even smaller 1ft to 2ft swell and a cross-onshore breeze messing things up. Monday the 14th sees a jump in swell height to 4ft from the W, but the period is a short 8 seconds and the wind is a moderate cross-onshore at 12 mph, making for choppy conditions. The energy is moderate at 382. That trend of poor conditions with cross-onshore winds and weak swell carries on through to Tuesday the 15th.

Wednesday the 16th morning is the first time we get a 'marginal' rating. The swell is 3ft from the SSW with a 17-second period – that's a long period groundswell, which should mean some energy, and we've got a light offshore breeze. The combined energy is a moderate 494. It's not a standout by any means, but it's the best looking session in the first week.

The rest of the first week and into the second remains pretty flat and unappealing. From Thursday the 17th through to Sunday the 21st, we're stuck with onshore or cross-onshore breezes and swell under 3ft. The wave energy creeps up, hitting 637 by Monday the 21st, but the wind is still cross-onshore, keeping the surface bumpy.

The best bet in this whole 16-day window looks like Monday the 21st. The morning session shows 3ft of SW swell with a 17-second period. The combined energy is a solid moderate 637. The wind is a light cross-onshore, which is not ideal but manageable. It's a marginal call, but it's the most promising session we've got.

After that, the surf stays small and weak through to the end of the period on Sunday the 27th. There are a few more marginal calls scattered in there, like the 27th afternoon with 3ft and 15-second period from the SW and a light offshore, giving us a combined energy of 553. But overall, it's a lean run for Cardiff Reef.

So, if you're itching for a paddle, aim for Wednesday the 16th morning or Monday the 21st. Otherwise, keep an eye on the forecasts – things can change.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 24°C on Sun morning, min 19°C on Mon night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 24°C on Fri morning, min 19°C on Tue night). Wind will be generally light.

Sat
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
1
0
0
1
0
0
1
0
0
2
1
0
1
0
0
1
0
0
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
SW
14
0.6
SW
14
0.6
SW
13
0.4
SW
19
1.2
W
9
1.2
W
8
0.6
SW
18
0.6
SW
17
0.6
SW
16
0.6
SW
16
0.6
SW
16
0.9
SSW
17
0.8
SSW
16
0.9
SSW
16
0.6
SSW
16
0.8
SSW
15
0.8
SSW
15
0.6
SW
19
0.6
SW
19
0.6
SW
19
Wave Graph
Metric surfscale
Energy kJ
208
158
144
130
246
190
192
188
163
157
157
475
302
366
196
246
242
303
303
234
Wind (km/h)
10
W
5
WSW
15
SSW
10
SW
5
SSW
20
SSW
15
SW
10
S
15
SW
10
WSW
0
WSW
10
WSW
10
W
5
NW
15
W
15
WNW
10
NW
15
W
15
WNW
5
WNW
Wind State
on
glassy
cross-on
cross-on
cross
cross-on
cross-on
cross
cross-on
cross-on
glassy
cross-on
on
cross-on
on
on
cross-on
on
on
glassy
High Tide
10:45PM1.88m
10:55AM2.09m
11:29PM1.68m
11:23AM2.06m
00:17AM1.49m
11:52AM1.99m
1:21AM1.32m
12:26PM1.89m
3:50AM1.22m
1:12PM1.79m
2:34PM1.72m
Low Tide
4:42PM0.49m
4:39AM0.61m
5:26PM0.51m
5:03AM0.79m
6:13PM0.56m
5:23AM0.96m
7:07PM0.64m
5:35AM1.11m
8:21PM0.72m
5:02AM1.22m
10:05PM0.74m
11:35PM0.67m
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:31
6:31
6:31
6:33
6:33
6:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:00
6:58
6:57
6:54
6:53
6:52
6:51
 mm
Temp °C
23
22
24
23
21
23
23
21
22
22
20
22
22
20
23
23
21
24
24
22
Feels °C
23
24
24
22
23
22
22
22
22
21
21
22
22
21
23
23
22
24
24
23
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  • 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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