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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 Monday 18 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
11.1° C
(Which is slightly cooler than normal)How big are the waves at Dillon Beach today?
The current surf forecast for Dillon Beach at 8AM is: 1.9m 10s primary swell from a Northwest direction and 0.3m 13s secondary swell from a South-southwest direction (forecast issued at 04:00am May 18). The wind direction is predicted to be cross-shore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 6ft (1.9m) | 10s |
| Afternoon (18 May) | 7ft (2.2m) | 10s |
| Evening (18 May) | 7.5ft (2.3m) | 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. Warm (max 22°C on Mon morning, min 10°C on Wed night). Winds decreasing (fresh winds from the WNW on Mon afternoon, calm by Tue night). | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
NW 10 | NW 10 | NW 10 | NW 10 | WNW 10 | NW 9 | NW 9 | WNW 10 | NW 9 | WNW 9 | WNW 9 | WNW 10 | WNW 14 | NW 10 | NW 10 | WNW 13 | NW 9 | WNW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | NW 10 | NW 10 | |
1991 | 901 | 800 | 703 | 836 | 1033 | 899 | 894 | 1370 | 771 | 617 | 698 | 834 | 738 | 587 | 722 | 1024 | 1597 | 1383 | 1341 | 1174 | 1332 | 1363 | 1475 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | glassy | on | on | on | on | cross-on | glassy | glassy | cross-off | on | on | on | cross-on | glassy | |
High Tide | 00:05AM1.80m | 2:35PM1.26m | 00:54AM1.76m | 3:33PM1.26m | 1:48AM1.68m | 4:30PM1.26m | ||||||||||||||||||
Low Tide | 7:39AM-0.52m | 7:21PM0.82m | 8:31AM-0.48m | 8:21PM0.84m | 9:26AM-0.41m | 9:31PM0.84m | ||||||||||||||||||
 | |  | | | | | | | | | |  | | | | |  | | | | | | | |
 | — | 5:58 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:17 | — | — | — | — | — | — | — | 8:19 | — | — | — | — | — | — | — | 8:20 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 19 | 18 | 17 | 22 | 18 | 17 | 16 | 15 | 14 | 14 | 15 | 20 | 18 | 16 | 14 | 13 | 13 | 11 | 13 | 16 | 13 | 13 | 11 | 11 |
12 | 11 | 11 | 16 | 12 | 10 | 11 | 12 | 11 | 11 | 13 | 17 | 14 | 12 | 11 | 11 | 12 | 10 | 11 | 14 | 10 | 10 | 8 | 10 | |
Swell 1 Height (m) Direction Period (s) | NW 10 | NW 10 | NW 10 | NW 10 | SSW 13 | WNW 18 | WNW 18 | WNW 16 | NW 10 | WNW 9 | WNW 9 | WNW 10 | WNW 10 | WNW 10 | WNW 13 | WNW 13 | NW 9 | WNW 13 | WNW 13 | WNW 13 | WNW 12 | SW 16 | SW 15 | SW 15 |
 kJ | 1325 | 901 | 800 | 703 | 33 | 104 | 174 | 295 | 828 | 771 | 617 | 698 | 511 | 543 | 514 | 722 | 505 | 1597 | 1383 | 1341 | 1174 | 87 | 84 | 80 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | SW 13 | SSW 13 | SSW 13 | SSW 16 | SSW 16 | SSW 12 | SW 17 | WNW 16 | WNW 16 | WNW 15 | WNW 14 | WNW 14 | WNW 14 | SW 16 | SW 16 | WNW 13 | SSW 14 | SW 21 | SW 21 | SSW 14 | SSW 14 | SSW 13 | SSW 13 |
| kJ | 69 | 44 | 34 | 34 | 51 | 51 | 30 | 44 | 366 | 469 | 405 | 478 | 834 | 659 | 68 | 69 | 711 | 38 | 162 | 162 | 36 | 36 | 35 | 35 |
Swell 3 Height (m) Direction Period (s) | SW 18 | SW 18 | WSW 18 | SSW 16 | WNW 18 | SSW 13 | SW 17 | SSW 12 | SW 17 | SSW 16 | SSW 15 | SSW 15 | SW 16 | SW 16 | SSW 15 | SSW 15 | SSW 14 | SW 16 | SSW 14 | SW 16 | SW 16 | SW 21 | SW 21 | S 13 |
| kJ | 13 | 13 | 31 | 26 | 32 | 32 | 43 | 15 | 44 | 48 | 44 | 44 | 41 | 69 | 42 | 42 | 41 | 40 | 63 | 64 | 65 | 18 | 18 | 56 |
Wind waves Height (m) Direction Period (s) | NW 10 | — | — | — | WNW 10 | NW 9 | NW 9 | WNW 10 | NW 9 | — | — | — | — | NW 10 | NW 10 | NW 9 | NW 9 | NW 9 | — | — | — | WNW 12 | NW 10 | NW 10 |
| kJ | 1991 | — | — | — | 836 | 1033 | 899 | 894 | 1370 | — | — | — | — | 738 | 587 | 505 | 1024 | 736 | — | — | — | 1332 | 1363 | 1475 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 38 | 9 | 9 | 38 | 166 | 166 | 38 | 9 | 25 | 0 | 0 | 9 | 45 | 166 | 9 | 9 | 0 | 0 | 0 | 20 | 24 | 9 | 65 | 0 |
Best forecast wave conditions in Marin County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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