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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 Friday 15 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
11.9° C
(Which is normal for this time of year)How big are the waves at Dillon Beach today?
The current surf forecast for Dillon Beach at 9AM is: 2.4m 8s primary swell from a West-northwest direction and 0.7m 15s secondary swell from a Southwest direction, 0.3m 17s secondary swell from a West-northwest direction (forecast issued at 04:00am May 15). The wind direction is predicted to be cross-onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 May) | 8ft (2.4m) | 8s |
| Afternoon (15 May) | 11ft (3.5m) | 8s |
| Evening (15 May) | 11ft (3.5m) | 9s |
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 17°C on Sat afternoon, min 8°C on Sat night). Winds increasing (light winds from the NW on Fri morning, strong winds from the WNW by Sat afternoon). | ||||||||||||||||||||||||
Friday 15 | Saturday 16 | Sunday 17 | ||||||||||||||||||||||
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 9 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | WNW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | WNW 8 | WNW 9 | WNW 9 | NW 10 | NW 10 | WNW 10 | WNW 11 | NW 11 | WNW 11 | NW 11 | NW 11 | WNW 11 | NW 11 | |
1448 | 1199 | 829 | 869 | 1485 | 2113 | 2244 | 1971 | 2083 | 1884 | 1563 | 1533 | 2654 | 2848 | 3471 | 3700 | 3478 | 3289 | 4717 | 2992 | 3664 | 3854 | 3476 | 2619 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | on | cross-on | cross-on | cross | |
High Tide | 11:41AM1.21m | 10:38PM1.74m | 12:40PM1.24m | 11:19PM1.79m | 1:38PM1.26m | |||||||||||||||||||
Low Tide | 5:15AM-0.24m | 4:52PM0.59m | 6:01AM-0.40m | 5:38PM0.69m | 6:48AM-0.49m | 6:27PM0.77m | ||||||||||||||||||
 | |  | | | | | |  | | | | | | |  | | | | | | | | | |
 | — | 6:01 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:15 | — | — | — | — | — | — | — | 8:15 | — | — | — | — | — | — | — | 8:16 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 10 | 10 | 15 | 16 | 16 | 13 | 11 | 11 | 10 | 12 | 15 | 17 | 15 | 13 | 10 | 9 | 8 | 9 | 14 | 16 | 16 | 16 | 16 |
7 | 7 | 8 | 10 | 8 | 8 | 5 | 4 | 3 | 3 | 6 | 7 | 9 | 6 | 6 | 3 | 3 | 4 | 7 | 10 | 10 | 9 | 11 | 13 | |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 15 | SW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | WNW 11 | SSW 14 | SSW 14 | SSW 13 | SW 13 | SSW 13 |
 kJ | 255 | 245 | 236 | 229 | 196 | 193 | 191 | 191 | 207 | 212 | 212 | 191 | 140 | 140 | 140 | 140 | 140 | 118 | 3080 | 77 | 71 | 70 | 45 | 69 |
Swell 2 Height (m) Direction Period (s) | WNW 18 | WNW 18 | WNW 18 | WNW 17 | S 11 | S 10 | S 10 | S 10 | W 20 | SW 15 | SW 15 | SW 15 | SW 19 | SW 20 | SW 19 | — | — | SW 18 | SSW 14 | SW 18 | SSW 18 | SSW 18 | SSW 18 | SW 18 |
| kJ | 32 | 31 | 61 | 95 | 2 | 2 | 2 | 2 | 7 | 60 | 60 | 60 | 15 | 15 | 15 | — | — | 13 | 80 | 12 | 30 | 31 | 31 | 12 |
Swell 3 Height (m) Direction Period (s) | S 11 | S 11 | S 10 | S 10 | — | — | — | W 20 | — | SSW 16 | SSW 16 | SSW 16 | — | — | — | — | — | — | — | — | SW 18 | SW 18 | SW 18 | S 18 |
| kJ | 2 | 9 | 2 | 2 | — | — | — | 7 | — | 50 | 50 | 26 | — | — | — | — | — | — | — | — | 12 | 12 | 12 | 24 |
Wind waves Height (m) Direction Period (s) | WNW 9 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | WNW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | WNW 8 | WNW 9 | WNW 9 | NW 10 | NW 10 | WNW 10 | WNW 11 | NW 11 | WNW 11 | NW 11 | NW 11 | WNW 11 | NW 11 |
| kJ | 1448 | 1199 | 829 | 869 | 1485 | 2113 | 2244 | 1971 | 2083 | 1884 | 1563 | 1533 | 2654 | 2848 | 3471 | 3700 | 3478 | 3289 | 4717 | 2992 | 3664 | 3854 | 3476 | 2619 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 65 | 60 | 9 | 166 | 166 | 166 | 166 | 165 | 165 | 165 | 166 | 166 | 168 | 168 | 168 | 166 | 165 | 165 | 25 | 65 | 166 | 166 | 166 | 38 |
Best forecast wave conditions in Marin County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wind Speed (km/h)
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Ocean Swells (m)- Wind Speed (km/h)
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