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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 4 am Thursday 21 May 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
10.6° C
(Which is 1.5°C colder than average for this time of year)How big are the waves at Dillon Beach today?
The current surf forecast for Dillon Beach at 12PM is: 1.7m 11s primary swell from a West-northwest direction and 0.6m 19s secondary swell from a Southwest direction (forecast issued at 04:00am May 21). The wind direction is predicted to be onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 6ft (1.9m) | 11s |
| Afternoon (21 May) | 5ft (1.6m) | 11s |
| Evening (21 May) | 5ft (1.5m) | 11s |
Table - waves today at Dillon Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 16°C on Thu morning, min 8°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | ||||||||||||||||||||||
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 | 8 PM | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | NW 10 | WNW 10 | WNW 10 | WNW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | WNW 9 | WNW 10 | WNW 10 | SW 16 | WNW 10 | WNW 10 | |
1113 | 999 | 799 | 687 | 584 | 523 | 513 | 504 | 500 | 448 | 448 | 448 | 490 | 441 | 400 | 392 | 415 | 368 | 334 | 307 | 256 | 159 | 203 | 203 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | cross-off | glassy | on | on | on | on | glassy | cross | cross-off | cross-off | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-off | cross-off | cross | cross | cross | cross | glassy | |
High Tide | 2:47AM1.55m | 5:26PM1.28m | 3:53AM1.40m | 6:20PM1.32m | 5:08AM1.24m | 7:09PM1.38m | ||||||||||||||||||
Low Tide | 10:24AM-0.29m | 10:51PM0.79m | 11:22AM-0.16m | 00:15AM0.69m | 12:20PM-0.02m | |||||||||||||||||||
 | |  | |  | | |  | | | | | | | | |  | |  | | | | | | |
 | — | 5:56 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:20 | — | — | — | — | — | — | — | 8:21 | — | — | — | — | — | — | — | 8:22 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 11 | 12 | 16 | 14 | 12 | 9 | 8 | 9 | 10 | 11 | 14 | 14 | 13 | 12 | 11 | 11 | 12 | 12 | 13 | 13 | 12 | 11 | 10 |
10 | 10 | 11 | 15 | 11 | 10 | 7 | 7 | 7 | 8 | 9 | 12 | 11 | 11 | 11 | 10 | 9 | 9 | 9 | 10 | 10 | 9 | 9 | 9 | |
Swell 1 Height (m) Direction Period (s) | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | NW 10 | WNW 10 | WNW 10 | WNW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | WNW 9 | WNW 10 | WNW 10 | WNW 7 | WNW 10 | WNW 10 |
 kJ | 1113 | 999 | 799 | 687 | 584 | 523 | 513 | 504 | 500 | 448 | 448 | 448 | 490 | 441 | 400 | 392 | 415 | 368 | 334 | 307 | 256 | 70 | 200 | 200 |
Swell 2 Height (m) Direction Period (s) | SW 15 | SW 19 | SW 19 | SW 19 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 18 | SW 18 | SW 18 | SW 15 | SW 14 | SW 14 | SW 15 | SW 15 | SW 16 | SW 16 | SW 16 | NW 10 | SW 16 | SW 16 |
| kJ | 78 | 133 | 236 | 236 | 80 | 82 | 113 | 82 | 80 | 77 | 111 | 197 | 154 | 75 | 73 | 73 | 137 | 141 | 155 | 157 | 159 | 98 | 203 | 203 |
Swell 3 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SW 15 | SW 15 | SW 19 | S 13 | S 12 | S 13 | S 12 | S 12 | SW 15 | SW 15 | SW 14 | SW 18 | SW 18 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | SW 16 | S 12 | S 12 |
| kJ | 59 | 58 | 80 | 80 | 133 | 51 | 49 | 50 | 48 | 48 | 75 | 75 | 74 | 109 | 108 | 25 | 25 | 26 | 26 | 25 | 25 | 159 | 23 | 24 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSE 3 | SSE 3 | SSE 3 | SE 3 | S 3 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 1 | 1 | 2 | 1 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 65 | 24 | 24 | 24 | 0 | 1 | 0 | 0 | 15 | 54 | 20 | 20 | 1 | 1 | 0 | 15 | 15 | 15 | 15 | 1 | 0 |
Best forecast wave conditions in Marin County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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