Blackies surfForecast / CAL – Orange County / USA

information circle48hr Weather and Surf, issued 4 am Tuesday 21 Apr 2026 PDT
Forecast update in hr  min  s Forecast update imminent
Blackies surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Blackies sea temperature is
18.6° C
(Which is 3.5°C warmer than normal for this time of year)

How big are the waves at Blackies today?

The current surf forecast for Blackies at 7AM is: 0.4m 12s primary swell from a South-southwest direction and 0.3m 16s secondary swell from a South direction (forecast issued at 04:00am April 21). The wind direction is predicted to be glassy.

Time (PDT) & DateWave HeightWave Period
Morning (21 Apr)1.5ft (0.5m)12s
Afternoon (21 Apr)1.5ft (0.5m)12s
Evening (21 Apr)1.5ft (0.5m)19s

Table - waves today at Blackies. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent
Tuesday
21
Wednesday
22
Thursday
23
2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM
Rating
(10 max)
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
2
1
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.4
SSW
0.4
SSW
0.4
SSW
0.5
S
0.5
S
0.4
S
0.5
S
0.4
S
0.4
S
0.5
S
0.6
S
0.7
S
0.7
S
0.7
S
0.6
S
1.4
W
0.7
S
0.7
S
0.7
S
0.8
S
0.7
S
0.6
S
0.6
S
0.6
S
Period(s) (?)12121212121919191818181818181771616161616151515
Wave
Graph
(?)Metric surfscale
Energy kJ (?)5050507777118184117105154225304304294195185254251251326248161153155
Wind
(km/h)
5
SW
0
SSE
5
SSE
15
S
20
SSW
20
WSW
20
W
20
WNW
15
WNW
15
WNW
15
W
15
WSW
20
WSW
20
WSW
15
W
10
WSW
15
SE
15
ESE
10
ESE
10
S
15
WSW
20
WSW
15
W
10
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassglasscross-
on
cross-
on
oncross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
oncross-
on
cross-
on
oncrosscross-
off
cross-
off
cross-
on
oncross-
on
cross-
on
on
High Tide
/ height (m)
11:48PM
1.74
2:40PM
0.92
12:48AM
1.61
4:27PM
0.97
2:08AM
1.47
5:39PM
1.08
Low Tide
/ height (m)
7:34AM
-0.23
6:12PM
0.77
8:51AM
-0.16
7:48PM
0.87
10:11AM
-0.12
10:01PM
0.84
Tuesday
21
Wednesday
22
Thursday
23
Sunrise--6:13-------6:13-------6:11-----
Sunset-----7:25-------7:27-------7:28--
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
part cloud
clear
clear
part cloud
clear
clear
clear
Rain (mm)
------------------------
Temp. °C161516171818171716161516161616161515151718181717
Feels °C (?)161515141515141413141213121113141313131616151416
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Blackies surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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