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Surf Forecasts:

Dillon Beach surf break

Dillon Beach surfForecast / CAL – Marin County / USA

information circle12 Day Weather and Surf, issued 10 am Wednesday 11 Mar 2026 PDT
Forecast update in hr  min  s Forecast update imminent
Dillon Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Dillon Beach sea temperature is
12.8° C
 (Which is slightly warmer than usual)

Best Forecast Surf Conditions for Dillon Beach this week:

The surf forecast for Dillon Beach over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Mar 12) at 5AM. The primary swell is predicted to be 1.1m and 12s period with a secondary swell of 0.6m and 19s. Another secondary swell of 1.2m and 6s 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 12 days are 1.7m 10s and forecast to arrive on Friday (Mar 13) at 2PM. 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+) 5AM (Thu 12th Mar)3.5ft (1.1m) 12s
Best Surf11AM (Thu 12th Mar)5ft (1.5m) 11s
Most Powerful 2PM (Fri 13th Mar)5.5ft (1.7m) 10s

Table - best surf conditions forecast for Dillon Beach over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table

Short Range Forecast Mostly dry. Very mild (max 17°C on Wed night, min 10°C on Wed morning). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 22°C on Mon afternoon, min 9°C on Sat morning). Winds decreasing (fresh winds from the WNW on Sat afternoon, calm by Sun morning).

Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
3
1
2
4
0
2
2
0
0
1
0
3
3
1
2
3
1
2
2
1
3
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.3
NW
1.2
NW
1.1
NW
1.5
NW
0.7
SSW
1.1
NW
1.6
NW
2.2
NW
1.9
NW
1.7
WNW
2.4
NW
1.6
WNW
1.5
WNW
0.6
SSW
1.3
WNW
0.8
SSW
0.7
SSW
0.8
SSW
0.7
SW
0.7
SW
0.8
W
Period(s) (?)1312121118117777778208181817161614
Wave
Graph
(?)Metric surfscale
Energy kJ (?)527430361544284292266400352251540279315268203377276373268261253
Wind
(km/h)
5
NNW
15
WNW
5
N
5
NNW
20
WNW
5
NNW
5
W
20
WNW
15
NW
10
NW
30
WNW
5
N
5
WNW
10
WNW
5
NE
5
NE
10
W
10
ENE
10
ENE
5
SW
5
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glasscross-
on		crossglasscross-
on		crossoncross-
on		cross-
on		cross-
on		cross-
on		glassglassonglassglassoncross-
off		cross-
off		cross-
on		glass
High Tide
/ height (m)
8:58PM
1.04
6:08AM
1.33
9:39PM
1.09
7:18AM
1.34
10:09PM
1.14
8:20AM
1.39
10:34PM
1.19
9:13AM
1.43
10:58PM
1.24
10:02AM
1.46
11:23PM
1.31
10:50AM
1.47
11:47PM
1.39
Low Tide
/ height (m)
1:15PM
0.19
1:15AM
0.97
2:20PM
0.13
2:26AM
0.91
3:13PM
0.06
3:18AM
0.82
3:56PM
-0.00
4:01AM
0.71
4:32PM
-0.05
4:39AM
0.58
5:05PM
-0.05
5:17AM
0.45
5:37PM
-0.02
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Sunrise7:28--7:28--7:26--7:24--7:22--7:22--7:20--
Sunset-7:14--7:15--7:15--7:16--7:17--7:19--7:20-
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
Rain (mm)
---------------------
Temp. °C131617141616131413141814171818202219212620
Feels °C (?)11121512121311109111313171617192117192520
  • 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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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Dillon Beach surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Dillon Beach at:
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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 12 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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