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 (0.7m), 18s period with SW swell.
The current surf forecast for Dillon Beach at 9AM is: 1.8m 7s primary swell from a Northwest direction and 1.4m 7s secondary swell from a West-northwest direction, 0.6m 18s secondary swell from a Southwest direction (forecast issued at 04:00am September 20). The wind direction is predicted to be glassy and the swell rating is 3.
| 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 (0.7m) | 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 Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 20 | Monday 21 | Tuesday 22 | ||||||||||||||||||||||
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 |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | NW 7 | NW 7 | NW 7 | NW 8 | SW 18 | SW 19 | SW 18 | SW 18 | SW 17 | SW 17 | SW 17 | SW 17 | SW 17 | SW 17 | SW 17 | NW 8 | NW 8 | NW 8 | NW 8 | WNW 8 | NW 13 | NW 8 | NW 9 | NW 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 252 | 255 | 423 | 350 | 311 | 339 | 314 | 304 | 297 | 358 | 350 | 342 | 342 | 346 | 346 | 581 | 560 | 547 | 547 | 304 | 479 | 567 | 1073 | 1255 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | glassy | cross-on | cross-on | on | cross-on | on | glassy | glassy | glassy | cross-on | on | on | on | glassy | glassy | glassy | off | on | on | on | cross-on | cross-on |
High Tide | 9:14AM1.18m | 7:07PM1.37m | 9:46AM1.22m | 8:08PM1.41m | 10:12AM1.26m | 9:01PM1.44m | ||||||||||||||||||
Low Tide | 2:02AM0.20m | 2:18PM0.93m | 2:55AM0.15m | 3:08PM0.84m | 3:38AM0.11m | 3:50PM0.72m | ||||||||||||||||||
 |  |  | | | | | | | |  | |  | |  | | | | | | | | | | |
 | — | 6:56 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:12 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:08 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 13 | 13 | 17 | 15 | 15 | 13 | 13 | 12 | 12 | 12 | 16 | 15 | 14 | 13 | 13 | 12 | 12 | 12 | 16 | 15 | 15 | 15 | 14 |
Feels °C | 12 | 12 | 13 | 16 | 13 | 12 | 11 | 13 | 12 | 12 | 12 | 15 | 13 | 12 | 12 | 14 | 12 | 12 | 11 | 15 | 13 | 12 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 18 | SW 18 | NW 7 | WNW 8 | SW 18 | SW 19 | SW 18 | SW 18 | SW 17 | WNW 8 | WNW 8 | WNW 8 | SW 17 | SW 17 | NW 9 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | NW 13 | WNW 12 | SW 16 | SW 16 |
| kJ | 252 | 255 | 211 | 213 | 311 | 339 | 314 | 304 | 297 | 213 | 193 | 193 | 342 | 346 | 112 | 383 | 374 | 343 | 334 | 300 | 479 | 480 | 361 | 361 |
Swell 2 Height (m) Direction Period (s) | 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 9 | NW 9 | SW 17 | SW 17 | SW 17 | SW 17 | NW 14 | WNW 13 | SW 16 | SW 16 | S 12 | S 11 |
| kJ | 43 | 40 | 255 | 255 | 29 | 29 | 29 | 29 | 29 | 358 | 350 | 342 | 23 | 83 | 346 | 408 | 408 | 403 | 264 | 304 | 248 | 248 | 25 | 10 |
Swell 3 Height (m) Direction Period (s) | 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 | SSW 12 | NW 16 | WNW 15 | NW 14 | SW 16 | SW 16 | S 12 | S 12 | — | WNW 12 |
| kJ | 7 | 7 | 39 | 38 | 7 | 7 | 2 | 2 | — | 29 | 30 | 30 | 30 | 29 | 29 | 66 | 152 | 214 | 322 | 251 | 25 | 24 | — | 123 |
Wind waves Height (m) Direction Period (s) | NW 7 | NW 7 | NW 7 | NW 8 | WNW 8 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | — | — | WNW 8 | NW 7 | NW 7 | NW 8 | NW 8 | NW 8 | NW 8 | — | NW 8 | NW 8 | NW 9 | NW 10 |
| kJ | 220 | 240 | 423 | 350 | 213 | 217 | 240 | 254 | 223 | 340 | — | — | 154 | 116 | 173 | 581 | 560 | 547 | 547 | — | 346 | 567 | 1073 | 1255 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 9 | 9 | 0 | 24 | 9 | 45 | 9 | 9 | 0 | 0 | 0 | 566 | 24 | 162 | 9 | 0 | 0 | 0 | 0 | 38 | 24 | 166 | 45 | 9 |
Best forecast wave conditions in Marin County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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