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Dillon Beach Surf Forecast
/ CAL – Marin County (14 breaks) / California (404 breaks) /
Surf Forecasts:
Dillon Beach surfForecast / CAL – Marin County / USA
48hr Weather and Surf, issued 10 pm Friday 20 Mar 2026 PDTForecast 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
12.9° C
(Which is slightly warmer than usual)How big are the waves at Dillon Beach today?
The current surf forecast for Dillon Beach at 3AM is: 1.7m 8s primary swell from a Northwest direction and 0.9m 11s secondary swell from a West direction, 0.6m 11s secondary swell from a Northwest direction (forecast issued at 10:00pm March 20). The wind direction is predicted to be cross-onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Mar) | 6.5ft (2.0m) | 8s |
| Afternoon (21 Mar) | 10ft (3.0m) | 8s |
| Evening (21 Mar) | 10ft (3.0m) | 9s |
Table - waves today at Dillon Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Fri 20 | Saturday 21 | Sunday 22 | Monday 23 | |||||||||||||||||||||
| 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 266 | 240 | 291 | 465 | 445 | 465 | 811 | 1272 | 1420 | 1363 | 1335 | 1954 | 1624 | 1470 | 832 | 1070 | 1007 | 986 | 986 | 1092 | 1026 | 832 | 800 | 676 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | glass | glass | on | on | cross- on | on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on |
High Tide / height (m) | 1:12AM 1.61 | 2:18PM 1.25 | 1:47AM 1.64 | 3:24PM 1.16 | 2:28AM 1.64 | 4:43PM 1.09 | ||||||||||||||||||
Low Tide / height (m) | 7:16PM 0.32 | 8:04AM -0.07 | 7:54PM 0.48 | 8:55AM -0.12 | 8:35PM 0.64 | 9:53AM -0.12 | ||||||||||||||||||
Fri 20 | Saturday 21 | Sunday 22 | Monday 23 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 7:13 | - | - | - | - | - | - | - | 7:11 | - | - | - | - | - | - | - | 7:11 | - | - | - |
| Sunset | - | - | - | - | - | - | - | 7:23 | - | - | - | - | - | - | - | 7:24 | - | - | - | - | - | - | - | 7:25 |
 | | | |  |  | | | | |  | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 16 | 16 | 16 | 14 | 15 | 17 | 17 | 15 | 12 | 10 | 10 | 11 | 11 | 13 | 12 | 12 | 11 | 10 | 10 | 10 | 10 | 13 | 12 | 12 |
| Feels °C (?) | 15 | 16 | 15 | 12 | 14 | 13 | 11 | 9 | 6 | 6 | 8 | 10 | 9 | 12 | 9 | 7 | 7 | 6 | 7 | 8 | 7 | 10 | 7 | 7 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
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.
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