
Surf Forecasts:
How big are the waves at Dillon Beach today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 6ft (1.8m), 7s period with NW swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 2.5ft (0.7m), 18s period with SW swell.
- Evening surf: Evening surf (20 Sep, local time) - 2.5ft (0.8m), 18s period with SW swell.
The current surf forecast for Dillon Beach at 5AM is: 0.6m 18s primary swell from a Southwest direction and 0.4m 12s secondary swell from a Southwest direction, 1.4m 7s secondary swell from a Northwest direction (forecast issued at 10:00pm September 19). The wind direction is predicted to be cross-shore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 6ft (1.8m) | 7s |
| Afternoon (20 Sep) | 2.5ft (0.7m) | 18s |
| Evening (20 Sep) | 2.5ft (0.8m) | 18s |
Table - waves today at Dillon Beach. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 17°C on Sun morning, min 12°C on Sat night). Wind will be generally light. | ||||||||||||||||||
Sat 19 | Sunday 20 | Monday 21 | ||||||||||||||||
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) | NW 7 | NW 7 | SW 18 | SW 18 | NW 7 | NW 7 | SW 18 | SW 19 | SW 18 | SW 18 | SW 17 | SW 17 | SW 17 | SW 17 | SW 17 | SW 17 | SW 17 | NW 8 |
Wave Graph | ||||||||||||||||||
485 | 287 | 252 | 255 | 355 | 311 | 311 | 339 | 383 | 304 | 297 | 358 | 350 | 342 | 342 | 346 | 346 | 560 | |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross | glassy | on | cross-on | cross-on | on | cross-on | glassy | glassy | glassy | cross-on | on | on | on | glassy |
High Tide | 5:57PM1.36m | 9:14AM1.18m | 7:07PM1.37m | 9:46AM1.22m | 8:08PM1.41m | |||||||||||||
Low Tide | 2:02AM0.20m | 2:18PM0.93m | 2:55AM0.15m | 3:08PM0.84m | ||||||||||||||
— | — | — | 6:56 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — | |
— | — | — | — | — | — | — | 7:12 | — | — | — | — | — | — | — | 7:09 | — | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 13 | 12 | 13 | 17 | 16 | 14 | 13 | 13 | 13 | 12 | 12 | 16 | 15 | 14 | 13 | 13 |
Feels °C | 10 | 13 | 11 | 11 | 13 | 16 | 13 | 11 | 11 | 12 | 13 | 12 | 12 | 15 | 13 | 13 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 18 | SW 18 | SW 18 | SW 18 | WNW 7 | WNW 7 | SW 18 | SW 19 | SW 18 | SW 18 | SW 17 | WNW 8 | WNW 8 | WNW 8 | SW 17 | SW 17 | NW 9 | WNW 8 |
249 | 249 | 252 | 255 | 196 | 183 | 311 | 339 | 383 | 304 | 297 | 213 | 187 | 178 | 342 | 346 | 323 | 392 | |
Swell 2 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 13 | SW 12 | SW 18 | SW 18 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SW 17 | SW 17 | SW 17 | NW 10 | NW 9 | SW 17 | SW 17 |
44 | 44 | 43 | 40 | 255 | 255 | 29 | 29 | 29 | 29 | 29 | 358 | 350 | 342 | 23 | 83 | 346 | 408 | |
Swell 3 Height (m) Direction Period (s) | S 10 | S 10 | S 10 | S 10 | SW 12 | SW 12 | S 9 | S 9 | S 9 | S 9 | — | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | NW 7 | NW 16 |
8 | 7 | 7 | 7 | 39 | 38 | 7 | 7 | 2 | 2 | — | 29 | 30 | 30 | 30 | 29 | 14 | 66 | |
Wind waves Height (m) Direction Period (s) | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | WNW 7 | NW 7 | WNW 7 | WNW 7 | NW 7 | NW 7 | — | — | WNW 8 | WNW 7 | NW 8 | NW 8 |
485 | 287 | 183 | 200 | 355 | 311 | 183 | 211 | 237 | 243 | 223 | 340 | — | — | 154 | 108 | 320 | 560 | |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 154 | 9 | 9 | 9 | 0 | 24 | 9 | 45 | 9 | 9 | 0 | 0 | 0 | 24 | 24 | 166 | 9 | 0 |
Best forecast wave conditions in Marin County | ||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||
Header Global | ||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)










