Surf Forecasts:
How big are the waves at Dillon Beach today (21 Oct):
- Morning surf: Morning surf (21 Oct, local time) - 3.5ft (1.0m), 14s period with SSW swell.
- Afternoon surf: Afternoon surf (21 Oct, local time) - 3.5ft (1.0m), 15s period with SSW swell.
- Evening surf: Evening surf (21 Oct, local time) - 2.5ft (0.8m), 13s period with SSW swell.
The current surf forecast for Dillon Beach at 7AM is: 1.0m 14s primary swell from a South-southwest direction and 1.2m 10s secondary swell from a West-northwest direction (forecast issued at 10:00pm October 20). The wind direction is predicted to be offshore and the swell rating is 3.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Oct) | 3.5ft (1.0m) | 14s |
| Afternoon (21 Oct) | 3.5ft (1.0m) | 15s |
| Evening (21 Oct) | 2.5ft (0.8m) | 13s |
Table - waves today at Dillon Beach. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Wed night. Very mild (max 17°C on Wed morning, min 10°C on Fri morning). Wind will be generally light. | ||||||||||||||||||
Tue 20 | Wednesday 21 | Thursday 22 | ||||||||||||||||
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 |  | |  |  |  |  |  | |||||||||||
Wave Height (m) Direction Period (s) | WNW 12 | WNW 11 | WNW 11 | WNW 11 | SSW 14 | SSW 14 | SSW 15 | SSW 14 | SSW 13 | WNW 12 | SSW 14 | SSW 14 | SSW 14 | SSW 15 | SSW 14 | SSW 14 | WNW 7 | WNW 8 |
Wave Graph  | ||||||||||||||||||
 kJ | 1197 | 859 | 517 | 367 | 437 | 437 | 411 | 207 | 204 | 186 | 290 | 303 | 325 | 334 | 330 | 229 | 251 | 337 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | glassy | cross-off | off | cross-off | glassy | on | on | on | cross-on | glassy | cross | glassy | on | on | on | cross-on | cross-on |
High Tide | 7:31PM1.24m | 9:10AM1.32m | 8:34PM1.26m | 9:35AM1.40m | 9:31PM1.29m | |||||||||||||
Low Tide | 2:40AM0.18m | 3:24PM0.58m | 3:19AM0.20m | 4:02PM0.41m | ||||||||||||||
 | | | |  | | | |  | | |  | | | | | |  | |
 | — | — | — | 7:26 | — | — | — | — | — | — | — | 7:26 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 6:25 | — | — | — | — | — | — | — | 6:23 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — |
Temp °C | 14 | 15 | 15 | 15 | 15 | 17 | 17 | 16 | 15 | 15 | 15 | 13 | 14 | 14 | 14 | 13 | 13 | 12 |
Feels °C | 12 | 14 | 13 | 13 | 13 | 16 | 15 | 14 | 13 | 13 | 15 | 11 | 14 | 12 | 12 | 10 | 10 | 8 |
Swell 1 Height (m) Direction Period (s) | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | SSW 15 | WNW 9 | WNW 12 | WNW 12 | WNW 12 | SSW 14 | SSW 14 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 |
| kJ | 1197 | 859 | 517 | 300 | 250 | 245 | 411 | 139 | 183 | 186 | 215 | 303 | 325 | 334 | 330 | 229 | 223 | 163 |
Swell 2 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | WNW 12 | SSW 14 | SSW 13 | SSW 13 | SSW 14 | WNW 11 | WNW 11 | WNW 8 | WNW 11 | SSW 18 | SSW 18 | SSW 18 |
| kJ | 443 | 443 | 367 | 367 | 437 | 437 | 228 | 207 | 204 | 156 | 290 | 128 | 91 | 56 | 66 | 223 | 214 | 211 |
Swell 3 Height (m) Direction Period (s) | SW 20 | SSW 18 | WNW 13 | WNW 13 | WNW 13 | WNW 12 | NW 9 | SSW 16 | SSW 16 | SSW 16 | SSW 19 | NW 8 | NW 8 | WNW 11 | SSW 19 | WNW 11 | NW 13 | NW 13 |
| kJ | 15 | 62 | 139 | 238 | 127 | 86 | 106 | 175 | 175 | 171 | 148 | 25 | 23 | 66 | 148 | 66 | 82 | 80 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | NW 8 | WNW 3 | — | WNW 8 | NW 8 | WNW 7 | WNW 8 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 100 | 3 | — | 80 | 143 | 251 | 337 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 9 | 0 | 0 | 0 | 0 | 0 | 20 | 9 | 9 | 9 | 0 | 9 | 0 | 9 | 9 | 45 | 138 | 38 |
Best forecast wave conditions in Marin County | ||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||
Header Global | ||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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