Diamond Street surfForecast / CAL – San Diego County / USA

information circle16 Day Weather and Surf, issued 10 am Saturday 23 May 2026 PDT
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
19.6° C
(Which is 2.9°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Diamond Street this week:

The most powerful waves expected at Diamond Street in the next 16 days are 1.0m 17s and forecast to arrive on Monday (May 25) at 5PM. 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+)--
Best Surf--
Most Powerful 5PM (Mon 25th May)3.5ft (1.0m) 17s

Table - best surf conditions forecast for Diamond Street over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 17°C on Sat afternoon, min 15°C on Sat night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Very mild (max 17°C on Thu morning, min 15°C on Tue morning). Wind will be generally light.

Saturday
23
Sunday
24
Monday
25
Tuesday
26
Wednesday
27
Thursday
28
Friday
29
AM
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
1
0
0
1
0
0
1
0
0
0
0
0
0
0
0
1
0
0
0
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
16
0.7
SW
16
0.7
SW
16
0.7
SW
15
0.7
SW
14
0.8
SW
15
0.9
SW
16
1
SW
17
0.9
SW
15
1
SW
15
0.9
SW
15
0.9
SW
14
0.9
SW
14
1.4
W
8
0.7
SW
14
1
W
11
0.9
W
11
0.6
SW
13
0.6
SW
14
0.6
SW
14
0.6
SSW
14
Wave Graph
Metric surfscale
Energy kJ
245
245
245
209
206
255
400
567
344
429
375
288
293
235
203
253
188
144
160
160
125
Wind (km/h)
15
WNW
15
W
10
NW
15
WNW
20
WNW
10
NW
15
WNW
20
WNW
10
WNW
15
W
20
W
20
W
20
WSW
20
W
10
WSW
15
SW
15
W
10
NW
15
WNW
20
WNW
10
NW
cross-on
cross-on
cross
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
5:20PM1.37m
4:35AM1.24m
6:01PM1.49m
5:54AM1.16m
6:36PM1.60m
7:03AM1.12m
7:07PM1.69m
8:00AM1.10m
7:35PM1.76m
8:50AM1.09m
8:04PM1.80m
9:33AM1.09m
8:31PM1.82m
Low Tide
10:35AM0.02m
11:27PM0.62m
11:28AM0.13m
00:39AM0.43m
12:14PM0.25m
1:33AM0.23m
12:53PM0.36m
2:18AM0.07m
1:28PM0.46m
2:57AM-0.05m
2:00PM0.54m
3:32AM-0.14m
2:30PM0.61m
4:04AM-0.19m
part cloud
clear
part cloud
clear
clear
part cloud
clear
clear
part cloud
cloud
part cloud
cloud
part cloud
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:45
5:45
5:43
5:43
5:43
5:43
5:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:45
7:46
7:46
7:47
7:49
7:49
7:50
Temp °C
16
17
16
16
17
16
17
17
16
16
16
16
16
16
16
17
17
17
17
17
17
15
15
15
15
14
14
15
14
13
14
12
13
13
12
12
14
14
15
14
13
15
Swell 1
Height (m)
Direction
Period (s)
0.7
SW
16
0.7
SW
16
0.7
SW
16
0.7
SW
15
0.7
SW
14
0.8
SW
15
0.9
SW
16
1
SW
17
0.9
SW
15
1
SW
15
0.9
SW
15
0.9
SW
14
1.4
W
8
1.4
W
8
0.9
W
7
1
W
11
0.9
W
11
0.7
W
11
0.6
SW
14
0.6
SW
14
0.6
W
5
Energy kJ
245
245
245
209
206
255
400
567
344
429
375
288
245
235
69
253
188
114
160
160
16
Swell 2
Height (m)
Direction
Period (s)
0.4
SSW
12
0.3
SSW
11
0.3
WNW
10
0.3
S
11
0.4
SW
19
0.3
S
9
0.3
WNW
4
0.2
S
9
0.5
W
4
0.5
W
5
0.2
WNW
13
0.2
WNW
12
0.9
SW
14
0.7
SW
14
0.7
SW
14
0.7
SW
14
0.6
SW
14
0.6
SW
13
0.6
W
10
0.4
WNW
16
0.6
SSW
14
Energy kJ
47
25
19
20
95
15
3
6
9
14
16
14
293
203
203
189
147
144
69
86
125
Swell 3
Height (m)
Direction
Period (s)
0.3
WNW
10
0.1
SW
21
0.3
SSW
11
0.3
SW
19
0.3
S
10
0.2
WNW
10
0.3
S
9
0.2
WNW
9
0.2
S
9
0.2
WNW
13
0.2
S
9
0.1
S
9
0.1
W
15
0.1
W
15
0.4
WNW
12
0.1
W
22
0.1
W
21
0.2
WNW
19
0.3
WNW
18
0.1
S
21
0.3
WNW
15
Energy kJ
20
18
22
58
19
10
15
8
6
17
6
2
4
4
45
9
9
34
60
9
45
Wind waves
Height (m)
Direction
Period (s)
0.4
WNW
10
0.3
WNW
10
0.4
WNW
3
0.4
WNW
4
0.5
WNW
3
0.6
W
6
1.1
W
6
0.6
W
10
Energy kJ
33
19
2
5
6
22
101
71
Nearest Offshore or Glassy
Rating
(10 max)
2
1
2
1
1
2
2
2
2
2
2
2
2
4
1
1
1
2
1
1
1
Distance (km)
14
15
14
15
15
14
14
15
14
14
1316
100
64
634
15
154
270
14
15
15
14
Best forecast wave conditions in San Diego County
Rating
(10 max)
3
1
2
1
1
2
2
2
2
2
1
2
1
1
2
Best forecast wave conditions in United States
Rating
(10 max)
3
2
2
1
3
3
4
4
3
9
2
5
4
4
4
4
1
4
2
3
4
Header Global
Rating
(10 max)
5
5
5
5
4
4
4
5
9
9
7
7
6
6
7
9
5
5
5
5
4
  • Map Icons:
  • Break
  • 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 Diamond Street Surf forecast

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

Diamond Street is 9 km (6 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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