Dillon Beach Surf Break

Lat Long: 38.24° N 122.97° W

Issued: 10 am 25 Jun 2026 (local time)

Forecast update in  hr  min

Today's Dillon Beach sea temperature is
13.1° C

Slightly warmer than usual

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


Dillon Beach surf forecast from 26 Jun 2026:

  • Best quality surf: Sunday 28 Jun, 11PM (local time) - 10ft (3.0m), 10s period, NW swell with cross-onshore winds.
  • Most powerful swell: Wednesday 1 Jul, 8AM (local time) - 11ft (3.5m), 10s period, NW swell with 2,610 kJ wave energy.
  • Next surfable swell (1★+): Sunday 28 Jun, 8AM (local time) - 7ft (2.2m), 8s period with WNW swell.

Best Forecast Surf Conditions for Dillon Beach this week:

The surf forecast for Dillon Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Jun 28) at 8AM. The primary swell is predicted to be 2.2m and 8s period with a secondary swell of 1.9m and 9s. Another secondary swell of 0.8m and 16s is also forecast. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Dillon Beach in the next 16 days are 3.5m 10s and forecast to arrive on Wednesday (Jul 01) at 8AM. Winds are predicted to be glassy at the time the swell arrives.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Sun 28th Jun)7ft (2.2m) 8s
Best Surf11PM (Sun 28th Jun)10ft (3.0m) 10s
Most Powerful 8AM (Wed 1st Jul)11ft (3.5m) 10s

Table - best surf conditions forecast for Dillon Beach over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 16°C on Fri afternoon, min 10°C on Sat night). Winds increasing (calm on Thu morning, strong winds from the WNW by Sat afternoon).

Days 4-6 Weather Summary

Mostly dry. Very mild (max 17°C on Mon afternoon, min 10°C on Sun night). Mainly fresh winds.

Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
1
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
0
0
0
0
1
0
0
2
1
0
!
2
0
!
2
1
!
!
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)
0.9
SSW
16
2.3
NW
7
2
WNW
7
0.6
SW
19
0.7
SW
14
1
SW
18
0.6
SW
18
3
WNW
7
2.5
WNW
8
1.9
WNW
9
3
WNW
9
3
WNW
10
2.3
WNW
10
2.4
WNW
10
3.5
NW
10
2.3
NW
10
2.5
NW
10
3
NW
10
3.5
NW
10
3
NW
10
2.5
NW
10
Wave Graph
Metric surfscale
Energy kJ
441
495
372
234
214
600
246
814
897
561
1430
1478
1045
1093
2190
1146
1569
2033
2218
1874
1308
Wind (km/h)
10
WSW
35
WNW
25
WNW
25
W
30
W
15
W
30
WNW
45
WNW
15
NNW
15
WNW
30
WNW
10
NNW
15
W
25
WNW
5
NE
15
SSW
15
W
15
NW
20
WNW
35
WNW
15
NW
Wind State
on
on
cross-on
on
on
on
on
cross-on
cross-on
on
cross-on
cross-on
on
on
glassy
cross-on
on
cross-on
on
on
cross-on
High Tide
10:24AM1.06m
8:52PM1.59m
11:21AM1.12m
9:29PM1.60m
12:09PM1.17m
10:05PM1.61m
12:49PM1.19m
10:42PM1.61m
1:25PM1.20m
11:19PM1.61m
1:58PM1.21m
11:57PM1.58m
2:29PM1.22m
00:35AM1.55m
Low Tide
3:05PM0.79m
4:38AM-0.05m
3:55PM0.87m
5:16AM-0.11m
4:42PM0.92m
5:53AM-0.15m
5:24PM0.94m
6:28AM-0.17m
6:04PM0.94m
7:01AM-0.18m
6:41PM0.92m
7:34AM-0.19m
7:19PM0.90m
part cloud
part cloud
clear
clear
part cloud
part cloud
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>
5:48
5:50
5:50
5:50
5:50
5:50
5:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:38
8:38
8:38
8:38
8:38
8:38
8:38
 mm
Temp °C
15
15
14
15
16
14
14
15
14
14
16
15
16
17
15
15
15
13
14
14
13
Feels °C
13
9
8
11
12
10
10
7
6
11
11
10
14
13
11
13
13
9
11
9
7
Swell 1
Height (m)
Direction
Period (s)
1.3
WNW
8
0.9
SSW
15
0.7
SW
15
0.7
SW
14
0.7
SW
14
1
SW
18
0.6
SW
18
0.8
SW
17
0.9
SW
16
0.8
SW
16
0.7
SW
16
0.6
SW
15
2.3
WNW
10
0.6
SW
15
2.5
WNW
10
2.3
NW
10
0.5
SW
18
0.6
SW
18
2.5
NW
10
0.6
SW
16
0.6
SW
16
Energy kJ
183
414
220
211
214
600
246
342
371
302
258
174
1045
139
1360
1146
155
197
1249
165
163
Swell 2
Height (m)
Direction
Period (s)
0.9
SSW
16
0.2
SSW
21
0.5
SW
19
0.6
SW
19
0.5
SW
19
0.3
WNW
9
0.4
SSW
13
0.1
S
10
0.1
S
10
0.1
S
10
0.1
SW
24
0.1
SW
22
0.6
SW
15
0.2
SSW
21
0.5
SW
20
0.5
SW
14
0.5
SW
14
0.4
SW
14
0.6
SW
17
0.4
SW
13
0.3
SSW
20
Energy kJ
441
45
177
234
177
16
68
2
2
2
22
18
171
45
186
99
100
51
238
44
75
Swell 3
Height (m)
Direction
Period (s)
0.2
S
11
0.2
S
11
0.1
S
11
0.1
S
11
0.1
S
11
0.1
W
14
0.2
WNW
13
0.1
SW
22
0.3
SW
21
0.2
S
11
0.5
SW
15
0.4
SW
19
0.2
S
10
0.1
S
10
0.2
SSW
21
0.1
SW
21
0.3
SSW
13
Energy kJ
9
9
2
2
2
4
17
18
72
9
107
96
9
2
45
18
33
Wind waves
Height (m)
Direction
Period (s)
2.3
NW
7
2
WNW
7
1.3
WNW
6
1.1
WNW
5
0.9
WNW
5
1.6
WNW
6
3
WNW
7
2.5
WNW
8
1.9
WNW
9
3
WNW
9
3
WNW
10
2.4
WNW
10
3.5
NW
10
2.5
NW
10
3
NW
10
3.5
NW
10
3
NW
10
2.5
NW
10
Energy kJ
495
372
108
61
39
196
814
897
561
1430
1478
1093
2190
1569
2033
2218
1874
1308
Nearest Offshore or Glassy
Rating
(10 max)
2
1
2
1
1
3
2
3
4
3
2
4
3
2
2
3
4
3
1
2
3
Distance (km)
479
166
138
166
407
9
407
470
9
9
494
38
48
166
24
206
290
38
168
511
38
Best forecast wave conditions in Marin County
Rating
(10 max)
4
3
4
Best forecast wave conditions in United States
Rating
(10 max)
2
2
3
3
3
3
3
3
4
4
2
4
3
2
4
3
4
4
3
3
4
Header Global
Rating
(10 max)
5
6
7
5
6
5
5
7
5
8
6
8
6
5
5
4
5
5
5
4
5
  • 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 Dillon Beach Surf forecast

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

Dillon Beach is 26 km (16 miles) from the city of Rohnert Park. If you plan a vacation in Marin County, look for hotels and other accommodation in Rohnert Park. Rohnert Park has rooms for a wide range of budgets as well as car hire and transport links.

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