Surf Forecasts:
How big are the waves at Dillon Beach today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 2.5ft (0.8m), 17s period with SW swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 2.5ft (0.8m), 17s period with SW swell.
- Evening surf: Evening surf (21 Sep, local time) - 2.5ft (0.8m), 17s period with SW swell.
The current surf forecast for Dillon Beach at 4AM is: 0.8m 17s primary swell from a Southwest direction and 1.2m 7s secondary swell from a West-northwest direction (forecast issued at 10:00pm September 20). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 2.5ft (0.8m) | 17s |
| Afternoon (21 Sep) | 2.5ft (0.8m) | 17s |
| Evening (21 Sep) | 2.5ft (0.8m) | 17s |
Table - waves today at Dillon Beach. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 19°C on Wed morning, min 12°C on Sun night). Wind will be generally light. | ||||||||||||||||||
Sun 20 | Monday 21 | Tuesday 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) | SW 18 | SW 18 | SW 17 | SW 17 | SW 17 | SW 17 | SW 17 | SW 17 | SW 17 | NW 8 | SW 17 | NW 8 | SW 16 | WNW 8 | NW 13 | NW 8 | NW 8 | NW 9 |
Wave Graph  | ||||||||||||||||||
 kJ | 383 | 300 | 297 | 358 | 350 | 342 | 342 | 346 | 346 | 486 | 408 | 475 | 322 | 304 | 382 | 543 | 1060 | 805 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | glassy | glassy | glassy | cross-on | on | on | glassy | glassy | glassy | glassy | glassy | on | on | on | cross-on | cross-on |
High Tide | 7:07PM1.37m | 9:46AM1.22m | 8:08PM1.41m | 10:12AM1.26m | 9:01PM1.44m | |||||||||||||
Low Tide | 2:55AM0.15m | 3:08PM0.84m | 3:38AM0.11m | 3:50PM0.72m | ||||||||||||||
 | |  |  |  | | | | | | | |  | | | | | | |
 | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:08 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 12 | 12 | 12 | 12 | 15 | 15 | 13 | 12 | 12 | 12 | 12 | 12 | 15 | 16 | 15 | 15 | 14 |
Feels °C | 11 | 11 | 12 | 12 | 12 | 14 | 13 | 11 | 12 | 12 | 12 | 12 | 12 | 14 | 14 | 12 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 18 | SW 18 | SW 17 | WNW 7 | WNW 7 | WNW 7 | NW 8 | NW 7 | NW 9 | NW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | NW 13 | NW 12 | SW 16 | WNW 12 |
| kJ | 383 | 300 | 297 | 142 | 146 | 146 | 129 | 126 | 316 | 346 | 374 | 307 | 300 | 292 | 382 | 442 | 361 | 371 |
Swell 2 Height (m) Direction Period (s) | SSW 12 | SSW 12 | SSW 12 | SW 17 | SW 17 | SW 17 | SW 17 | SW 17 | SW 17 | SW 17 | SW 17 | SW 17 | NW 14 | WNW 13 | SW 16 | SW 16 | S 12 | SW 16 |
| kJ | 29 | 29 | 29 | 358 | 350 | 342 | 342 | 346 | 346 | 408 | 408 | 403 | 264 | 304 | 248 | 248 | 25 | 361 |
Swell 3 Height (m) Direction Period (s) | S 9 | S 9 | S 9 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | NW 9 | SSW 12 | NW 16 | WNW 15 | NW 14 | SW 16 | SW 16 | S 12 | S 12 | S 12 | S 11 |
| kJ | 2 | 2 | 2 | 29 | 30 | 30 | 30 | 41 | 28 | 66 | 152 | 214 | 322 | 251 | 25 | 25 | 11 | 10 |
Wind waves Height (m) Direction Period (s) | WNW 7 | WNW 7 | WNW 7 | NW 7 | — | — | — | NW 7 | — | NW 8 | — | NW 8 | — | — | WNW 8 | NW 8 | NW 8 | NW 9 |
| kJ | 180 | 196 | 178 | 235 | — | — | — | 217 | — | 486 | — | 475 | — | — | 300 | 543 | 1060 | 805 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 9 | 9 | 0 | 0 | 0 | 65 | 24 | 166 | 0 | 0 | 0 | 0 | 0 | 24 | 24 | 166 | 45 | 9 |
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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