Surf Break

Lat Long: 32.80° N 117.26° W

Diamond Street Surf Forecast and Surf Report

Issued: 10 pm 04 Oct 2026 (local time)

Forecast update in  hr  min

Today's Diamond Street sea temperature is
22.8°C
3.3° 

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


Diamond Street surf forecast from 5 Oct 2026:

  • Best quality surf: Saturday 10 Oct, 11PM (local time) - 3.5ft (1.1m), 18s period, SW swell with glassy winds.
  • Most powerful swell: Saturday 10 Oct, 11PM (local time) - 3.5ft (1.1m), 18s period, SW swell with 781 kJ wave energy.
  • Next surfable swell (1★+): Monday 5 Oct, 2AM (local time) - 2.5ft (0.8m), 14s period with SW swell.

Best Forecast Surf Conditions for Diamond Street this week:

The surf forecast for Diamond Street over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Oct 05) at 2AM. The primary swell is predicted to be 0.8m and 14s period with a secondary swell of 0.3m and 3s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Diamond Street in the next 16 days are 1.1m 18s and forecast to arrive on Saturday (Oct 10) at 11PM. Winds are predicted to be glassy at the time the swell arrives.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Mon 5th Oct)2.5ft (0.8m) 14s
Best Surf11PM (Sat 10th Oct)3.5ft (1.1m) 18s
Most Powerful11PM (Sat 10th Oct)3.5ft (1.1m) 18s

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


Short Range Forecast

Mostly dry. Warm (max 33°C on Mon morning, min 24°C on Tue night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 25°C on Wed night, min 23°C on Fri night). Wind will be generally light.

Monday
5
Tuesday
6
Wednesday
7
Thursday
8
Friday
9
Saturday
10
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
1
1
1
1
1
1
1
2
2
1
1
2
1
1
2
2
2
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
SW
14
0.7
SW
14
0.7
SW
14
0.7
SW
13
0.7
SW
13
0.7
S
12
0.6
SW
19
0.6
SW
18
0.7
SW
18
0.8
SW
17
1.2
SSW
11
1.2
SSW
12
0.9
SW
16
0.9
SW
15
1
SW
15
0.7
SW
19
0.7
SW
18
0.9
SW
18
1.1
SW
17
Wave Graph
Metric surfscale
Energy kJ
293
198
192
173
163
136
227
201
307
408
366
399
406
380
415
380
319
449
618
Wind (km/h)
10
N
5
NW
15
NW
10
NW
10
WNW
10
NW
10
NW
10
WNW
10
WNW
5
NW
10
WNW
10
WNW
10
NW
15
WNW
10
NW
10
NW
10
W
10
WNW
5
SW
Wind State
cross-off
cross-on
cross
cross
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
glassy
High Tide
7:06AM1.36m
5:59PM1.69m
7:34AM1.50m
6:57PM1.74m
8:00AM1.63m
7:47PM1.75m
8:27AM1.75m
8:31PM1.70m
8:53AM1.84m
9:13PM1.62m
9:19AM1.90m
9:54PM1.50m
Low Tide
00:31AM-0.02m
12:27PM0.77m
1:17AM-0.07m
1:22PM0.55m
1:55AM-0.06m
2:08PM0.34m
2:27AM-0.01m
2:50PM0.17m
2:57AM0.08m
3:29PM0.05m
3:25AM0.20m
4:07PM-0.02m
3:50AM0.35m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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6:45
—
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6:46
—
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6:47
—
—
6:47
—
—
6:48
—
—
6:48
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
6:28
—
—
6:27
—
—
6:25
—
—
6:24
—
—
6:22
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—
6:22
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 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Temp °C
31
33
31
28
29
27
26
26
25
25
25
25
24
25
25
24
25
24
23
Feels °C
30
31
28
28
29
26
27
27
25
26
25
24
25
25
24
25
25
23
25
  • Map Icons:
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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 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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