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Surf Forecasts:

Diamond Street surfForecast / CAL – San Diego County / USA

information circle48hr Weather and Surf, issued 3 am Tuesday 20 Jan 2026 PST
Forecast update in hr  min  s Forecast update imminent
Diamond Street surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Diamond Street sea temperature is
16.1° C
 (Which is 1.1°C warmer than normal for this time of year)

How big are the waves at Diamond Street today?

The current surf forecast for Diamond Street at 6AM is: 0.5m 12s primary swell from a West direction and 0.4m 15s secondary swell from a West direction (forecast issued at 03:00am January 20). The wind direction is predicted to be glassy.

Time (PST) & DateWave HeightWave Period
Morning (20 Jan)2ft (0.6m)12s
Afternoon (20 Jan)2.5ft (0.8m)13s
Evening (20 Jan)2.5ft (0.8m)12s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Tuesday
20
Wednesday
21
Thursday
22
1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM
Rating
(10 max)
1
1
1
1
1
1
2
2
2
2
2
1
1
1
2
2
0
2
2
2
1
1
2
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.6
W
0.4
W
0.4
W
0.6
W
0.8
W
0.8
W
0.8
W
0.8
W
0.8
W
0.8
W
0.8
W
0.6
W
0.6
W
0.6
W
0.7
W
0.7
W
0.7
W
0.8
W
0.8
W
0.8
W
0.8
W
0.7
W
0.7
W
0.7
W
Period(s) (?)121515121413131212121116151414141313131313131212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1057171105232215206184178172157177157153203198176215215215212161134132
Wind
(km/h)
0
ENE
0
SSE
0
SSW
5
SSW
5
WSW
5
WSW
5
SSW
5
E
5
NW
5
SW
5
E
5
S
10
SW
10
SW
10
E
15
SE
15
WSW
0
N
0
S
5
WSW
10
NW
10
W
5
W
5
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassglassglassglassononglassglassglassglasscross-
off		crosscross-
on		cross-
on		offcross-
off		onglassglassglasscross-
on		cross-
on		glassglass
High Tide
/ height (m)
10:18PM
1.21
9:22AM
1.84
10:47PM
1.26
9:56AM
1.74
11:19PM
1.31
10:34AM
1.57
Low Tide
/ height (m)
3:32AM
0.54
4:43PM
-0.26
4:11AM
0.52
5:11PM
-0.18
4:57AM
0.51
5:40PM
-0.05
Tuesday
20
Wednesday
21
Thursday
22
Sunrise--6:50-------6:48-------6:48-----
Sunset-----5:08-------5:09-------5:10--
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
cloud
cloud
cloud
part cloud
clear
cloud
cloud
cloud
rain showers
clear
clear
Rain (mm)
---------------------1--
Temp. °C171717181918171818161717181716171616161616161615
Feels °C (?)171716161716161717151616161615151417171615151615
  • 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

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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 Diamond Street 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.

View detailed surf forecast for Diamond Street at:
surf-forecast.com

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