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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 am Thursday 18 Sep 2025 PDT
How big are the waves at Dillon Beach today?
The current surf forecast for Dillon Beach at 2PM is: 2.2m 10s primary swell from a West-northwest direction and 0.7m 14s secondary swell from a South-southwest direction (forecast issued at 10:00am September 18). The wind direction is predicted to be onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 10ft (3.0m) | 10s |
| Afternoon (18 Sep) | 7ft (2.2m) | 10s |
| Evening (18 Sep) | 6ft (1.9m) | 10s |
Table - waves today at Dillon Beach. (Swell directed towards the surf break)
Thursday 18 | Friday 19 | Saturday 20 | Sun 21 | |||||||||||||||||||||
| 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 | 2 AM | 5 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 10 | 14 | 14 | 9 | 9 | 9 | 13 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1389 | 1539 | 1030 | 853 | 784 | 720 | 628 | 640 | 530 | 459 | 370 | 315 | 281 | 235 | 198 | 181 | 164 | 161 | 151 | 148 | 176 | 151 | 138 | 304 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | on | on | on | cross- on | glass | cross | glass | glass | glass | cross- on | cross- on | glass | glass | glass | glass | glass | on | on | on | on | cross- on | glass | glass |
High Tide / height (m) | 10:35AM 1.39 | 9:40PM 1.56 | 11:09AM 1.42 | 10:31PM 1.53 | 11:39AM 1.45 | 11:18PM 1.48 | ||||||||||||||||||
Low Tide / height (m) | 4:13PM 0.63 | 4:47AM -0.02 | 4:59PM 0.52 | 5:23AM 0.04 | 5:41PM 0.41 | |||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sun 21 | |||||||||||||||||||||
| Sunrise | 6:54 | - | - | - | - | - | - | - | 6:56 | - | - | - | - | - | - | - | 6:56 | - | - | - | - | - | - | - |
| Sunset | - | - | - | 7:15 | - | - | - | - | - | - | - | 7:14 | - | - | - | - | - | - | - | 7:12 | - | - | - | - |
 |  | | |  |  | | | | | |  |  | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 15 | 17 | 17 | 15 | 14 | 14 | 14 | 14 | 15 | 15 | 18 | 17 | 15 | 15 | 14 | 14 | 14 | 18 | 18 | 16 | 15 | 15 | 14 | 14 |
| Feels °C (?) | 15 | 16 | 16 | 14 | 14 | 15 | 14 | 14 | 15 | 15 | 17 | 16 | 15 | 15 | 15 | 14 | 14 | 17 | 16 | 14 | 13 | 14 | 14 | 15 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for CAL - Marin County
Continuing clean conditions at Dillon Beach (calm at Occidental 16 km from Dillon Beach). 2.4m 10s swell from the WNW with a 0.5m 14s groundswell from the SSW. 2 swells combining so expect closeout sets.
16 km away, 36 min ago
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