Dillon Beach Surf Break

Lat Long: 38.24° N 122.97° W

Issued: 4 pm 28 Jun 2026 (local time)

Forecast update in  hr  min

Today's Dillon Beach sea temperature is
13.9° C

1.1°C warmer than normal for this time of year

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 29 Jun 2026:

  • Best quality surf: Monday 29 Jun, 2AM (local time) - 10ft (3.0m), 10s period, NW swell with cross-onshore winds.
  • Most powerful swell: Wednesday 1 Jul, 2AM (local time) - 13ft (4.0m), 10s period, NW swell with 2,874 kJ wave energy.
  • Next surfable swell (1★+): Monday 29 Jun, 2AM (local time) - 10ft (3.0m), 10s period with NW 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 Monday (Jun 29) at 2AM. The primary swell is predicted to be 3.0m and 10s period with a secondary swell of 0.6m and 15s. Another secondary swell of 0.1m and 22s is also forecast. The wind is predicted to be cross-onshore as the swell arrives.

The most powerful waves expected at Dillon Beach in the next 16 days are 4.0m 10s and forecast to arrive on Wednesday (Jul 01) at 2AM. 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 29th Jun)10ft (3.0m) 10s
Best Surf 2AM (Mon 29th Jun)10ft (3.0m) 10s
Most Powerful 2AM (Wed 1st Jul)13ft (4.0m) 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 17°C on Sun afternoon, min 10°C on Sun night). Winds decreasing (fresh winds from the WNW on Sun afternoon, calm by Mon morning).

Days 5-7 Weather Summary

Mostly dry. Very mild (max 16°C on Fri morning, min 10°C on Wed night). Wind will be generally light.

Sun
28
Monday
29
Tuesday
30
Wednesday
1
Thursday
2
Friday
3
Saturday
4
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
0
!
2
0
4
2
!
!
2
2
!
1
0
2
1
0
2
1
0
1
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
3
WNW
9
3
NW
10
2.3
WNW
10
2.5
WNW
10
2.5
NW
10
2.3
NW
10
3
NW
10
4
NW
10
2.3
NW
10
2.2
NW
10
3.5
NW
10
1.8
NW
10
1.7
WNW
9
2.5
NW
9
1.5
WNW
8
0.7
SW
16
1.4
WNW
8
1.2
WNW
8
0.5
SW
20
1.3
NW
7
0.6
SW
18
Wave Graph
Metric surfscale
Energy kJ
1368
1503
1024
1172
1418
1102
1702
2874
1124
993
2078
600
460
965
280
251
248
158
186
176
199
Wind (km/h)
30
WNW
15
NW
10
WNW
25
WNW
5
NNW
15
WSW
15
W
5
N
15
SW
15
W
10
SE
15
WSW
20
WNW
10
NW
10
W
20
WNW
5
S
15
S
15
W
10
WNW
15
W
Wind State
cross-on
cross-on
on
on
glassy
on
on
glassy
cross-on
on
cross-off
on
on
cross-on
on
on
glassy
cross
on
on
on
High Tide
10:42PM1.61m
1:25PM1.20m
11:19PM1.61m
1:58PM1.21m
11:57PM1.58m
2:29PM1.22m
00:35AM1.55m
2:59PM1.23m
1:13AM1.48m
3:29PM1.26m
1:55AM1.40m
3:59PM1.31m
2:42AM1.28m
Low Tide
5:24PM0.94m
6:28AM-0.17m
6:04PM0.94m
7:01AM-0.18m
6:41PM0.92m
7:34AM-0.19m
7:19PM0.90m
8:06AM-0.17m
8:00PM0.87m
8:39AM-0.14m
8:46PM0.83m
9:12AM-0.06m
9:39PM0.77m
9:47AM0.05m
clear
clear
clear
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:50
5:50
5:52
5:52
5:52
5:52
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:38
8:38
8:38
8:38
8:38
8:37
8:37
8:37
 mm
Temp °C
17
15
17
16
14
15
14
13
17
15
11
15
14
14
16
15
12
15
15
11
14
Feels °C
11
10
15
11
10
12
11
10
15
13
10
13
11
11
15
12
10
13
13
9
11
Swell 1
Height (m)
Direction
Period (s)
0.7
SW
16
0.6
SW
15
2.3
WNW
10
0.6
SW
15
0.5
SW
20
2.3
NW
10
0.6
SW
18
3
NW
10
2.3
NW
10
2.2
NW
10
2.4
NW
10
1.8
NW
10
1.7
WNW
9
1.9
NW
9
1.5
WNW
8
1.3
WNW
8
1.4
WNW
8
1.2
WNW
8
1
WNW
8
1
WNW
7
1.1
WNW
7
Energy kJ
258
174
1024
139
186
1102
199
1669
1124
993
1145
600
460
547
280
213
248
158
120
114
127
Swell 2
Height (m)
Direction
Period (s)
0.1
SW
24
0.1
SW
22
0.6
SSW
15
0.2
SSW
21
0.5
SW
15
0.5
SW
14
0.4
SSW
14
0.6
SW
18
0.6
SW
17
0.6
SW
16
0.6
SW
16
0.6
SW
16
0.6
SW
15
0.6
SW
15
0.6
SW
15
0.7
SW
16
0.6
SW
16
0.6
SSW
14
0.6
SW
14
0.6
SW
14
0.6
SW
18
Energy kJ
22
18
142
45
106
99
79
197
238
211
163
157
181
136
171
251
201
136
167
167
199
Swell 3
Height (m)
Direction
Period (s)
0.3
SW
21
0.2
S
11
0.4
SW
19
0.2
S
10
0.4
SW
14
0.2
SSW
21
0.4
SW
13
0.4
SW
13
0.3
SSW
19
0.2
S
11
0.4
SSW
18
0.2
WNW
15
0.2
WNW
15
0.3
WNW
14
0.3
WNW
14
0.5
SW
20
0.4
WNW
13
0.5
WNW
12
Energy kJ
72
9
96
8
51
45
44
43
73
9
121
23
21
41
36
186
62
87
Wind waves
Height (m)
Direction
Period (s)
3
WNW
9
3
NW
10
2.5
WNW
10
2.5
NW
10
3
NW
10
4
NW
10
3.5
NW
10
2.5
NW
9
1.3
NW
7
1.4
NW
7
Energy kJ
1368
1503
1172
1418
1702
2874
2078
965
176
178
Nearest Offshore or Glassy
Rating
(10 max)
3
3
4
2
4
4
2
3
4
2
3
3
2
4
1
1
2
2
2
3
1
Distance (km)
166
65
9
166
0
20
511
25
20
24
25
20
511
9
24
166
0
1
24
9
65
Best forecast wave conditions in Marin County
Rating
(10 max)
3
4
4
4
3
4
3
3
3
2
2
2
2
2
1
Best forecast wave conditions in United States
Rating
(10 max)
3
4
4
2
4
4
2
3
4
3
4
4
2
4
2
2
3
3
3
3
2
Header Global
Rating
(10 max)
7
5
5
5
5
5
5
5
4
5
7
5
9
5
6
6
7
9
7
5
9
  • 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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