Dillon Beach Surf Break
Lat Long: 38.24° N 122.97° W

Dillon Beach Surf Forecast and Surf Report

Weather Forecast for Dillon Beach

Issued: 4 pm 04 Jun 2026 (local time)

Forecast update in  hr  min

Today's Dillon Beach sea temperature is
12.7° C

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 5 Jun 2026:

  • Best quality surf: Thursday 4 Jun, 11PM (local time) - 10ft (3.0m), 9s period, WNW swell with cross-onshore winds.
  • Most powerful swell: Friday 5 Jun, 8PM (local time) - 13ft (4.0m), 9s period, WNW swell with 2,327 kJ wave energy.
  • Next surfable swell (1★+): Thursday 4 Jun, 11PM (local time) - 10ft (3.0m), 9s 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 Thursday (Jun 04) at 11PM. The primary swell is predicted to be 3.0m and 9s period with a secondary swell of 0.9m and 16s. Another secondary swell of 0.6m and 19s 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 9s and forecast to arrive on Friday (Jun 05) at 8PM. 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+)11PM (Thu 4th Jun)10ft (3.0m) 9s
Best Surf11PM (Thu 4th Jun)10ft (3.0m) 9s
Most Powerful 8PM (Fri 5th Jun)13ft (4.0m) 9s

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 Fri morning, min 8°C on Sat night). Winds decreasing (strong winds from the WNW on Sat afternoon, calm by Sun morning).

Days 5-7 Weather Summary

Moderate rain (total 15mm), heaviest on Mon afternoon. Very mild (max 17°C on Wed morning, min 10°C on Sun night). Winds decreasing (strong winds from the WNW on Sun afternoon, calm by Wed morning).

Thu
4
Friday
5
Saturday
6
Sunday
7
Monday
8
Tuesday
9
Wednesday
10
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
!
!
0
0
0
0
!
0
0
0
2
1
2
0
0
2
1
0
3
1
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)
3.5
WNW
9
3
WNW
9
3
WNW
9
4
WNW
9
3.5
WNW
9
3
WNW
8
3.5
WNW
8
3
WNW
9
2.2
WNW
9
3
NW
8
2.4
WNW
8
0.6
SSW
24
0.6
SSW
23
0.9
SSW
21
1.1
SSW
20
1.3
SSW
19
2.5
WNW
9
1.3
SSW
18
2.5
WNW
9
2.3
WNW
9
2
WNW
9
Wave Graph
Metric surfscale
Energy kJ
2053
1411
1338
2212
1809
1204
1829
1399
732
1176
628
433
419
808
865
1247
898
1026
1014
846
632
Wind (km/h)
30
WNW
15
NW
20
WNW
40
WNW
30
NW
35
WNW
45
WNW
15
NW
25
WNW
40
WNW
30
WNW
15
S
20
SSW
15
WNW
35
WNW
40
WNW
10
NW
15
WNW
25
WNW
10
NW
15
WNW
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
High Tide
4:18PM1.16m
2:13AM1.36m
4:57PM1.18m
3:02AM1.27m
5:34PM1.22m
4:00AM1.16m
6:10PM1.29m
5:13AM1.06m
6:45PM1.38m
6:41AM0.99m
7:21PM1.48m
8:13AM0.99m
7:58PM1.59m
9:35AM1.05m
Low Tide
9:09PM0.92m
9:49AM-0.10m
10:11PM0.88m
10:31AM-0.03m
11:22PM0.80m
11:15AM0.06m
00:33AM0.67m
12:03PM0.18m
1:36AM0.49m
12:52PM0.32m
2:31AM0.27m
1:44PM0.47m
3:22AM0.04m
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
light rain
mod rain
rain showers
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:48
5:48
5:48
5:48
5:48
5:48
5:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:30
8:30
8:31
8:32
8:32
8:34
8:34
8:35
 mm
1
10
4
Temp °C
16
14
17
17
14
14
14
13
13
13
12
12
13
13
14
15
13
17
17
15
17
Feels °C
10
9
13
11
7
7
5
5
8
6
5
11
11
11
7
7
7
14
13
11
14
Swell 1
Height (m)
Direction
Period (s)
1.1
SW
19
1.1
SW
19
1.1
SW
18
1.1
SW
18
1.1
SW
17
0.9
SW
16
0.9
SW
16
0.9
SW
16
0.8
SW
16
0.8
SW
15
0.8
SW
15
1.1
WNW
8
0.9
WNW
8
1.4
W
8
1.1
SSW
20
1.3
SSW
19
1.2
SSW
18
2.1
WNW
9
1.2
SSW
18
1
SSW
16
2
WNW
9
Energy kJ
949
891
781
679
640
432
427
421
295
269
255
146
96
221
865
1247
861
686
877
487
632
Swell 2
Height (m)
Direction
Period (s)
0.8
SSW
16
0.1
S
11
0.1
S
11
0.1
S
12
0.1
S
12
0.1
S
11
0.1
S
26
0.2
SSW
26
0.7
SW
14
0.7
SW
14
0.9
SSW
21
0.6
SSW
14
0.6
SSW
13
0.4
SSW
13
1.3
SSW
18
0.2
WNW
16
0.2
WNW
14
1.1
SSW
16
Energy kJ
322
2
3
3
3
2
13
65
211
208
808
121
116
66
1026
25
20
620
Swell 3
Height (m)
Direction
Period (s)
0.2
S
12
0.1
W
19
0.1
W
19
0.1
W
17
0.6
SSW
24
0.6
SSW
23
0.7
SW
14
0.2
WNW
17
0.3
S
13
0.2
WNW
15
0.3
WNW
16
0.3
WNW
15
Energy kJ
12
7
7
6
433
419
200
30
29
21
50
42
Wind waves
Height (m)
Direction
Period (s)
3.5
WNW
9
3
WNW
9
3
WNW
9
4
WNW
9
3.5
WNW
9
3
WNW
8
3.5
WNW
8
3
WNW
9
2.2
WNW
9
3
NW
8
2.4
WNW
8
2
WNW
8
3
WNW
8
2.5
WNW
9
2.5
WNW
9
2.3
WNW
9
Energy kJ
2053
1411
1338
2212
1809
1204
1829
1399
732
1176
628
527
929
898
1014
846
Nearest Offshore or Glassy
Rating
(10 max)
3
4
4
3
4
3
2
4
4
2
3
3
3
4
2
3
4
4
2
4
3
Distance (km)
166
65
45
166
165
166
168
166
45
166
138
1
54
9
166
168
9
9
166
9
45
Best forecast wave conditions in Marin County
Rating
(10 max)
4
4
4
3
1
1
4
2
4
3
Best forecast wave conditions in United States
Rating
(10 max)
3
5
4
4
4
3
2
4
4
2
4
3
3
4
4
4
4
4
3
4
3
Header Global
Rating
(10 max)
5
6
9
8
9
9
8
7
8
8
9
6
9
9
9
6
5
7
8
7
6
  • 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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