Surf Forecasts:
How big are the waves at Arroyo Laguna today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 2.5ft (0.8m), 18s period with SW swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 2.5ft (0.8m), 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 Arroyo Laguna at 1PM is: 0.8m 18s primary swell from a Southwest direction and 0.5m 12s secondary swell from a South direction, 1.0m 7s secondary swell from a West-northwest direction (forecast issued at 04:00am September 20). The wind direction is predicted to be cross-shore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 2.5ft (0.8m) | 18s |
| Afternoon (20 Sep) | 2.5ft (0.8m) | 18s |
| Evening (20 Sep) | 2.5ft (0.8m) | 18s |
Table - waves today at Arroyo Laguna. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 20°C on Sun morning, min 14°C on Mon 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) | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 17 | SW 17 | SW 17 | SW 17 | SW 17 | SW 17 | SW 17 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 311 | 379 | 379 | 379 | 383 | 460 | 370 | 366 | 358 | 424 | 470 | 465 | 465 | 465 | 470 | 553 | 459 | 386 | 371 | 362 | 367 | 421 | 421 | 367 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | glassy | cross-on | cross-on | cross | cross | cross | cross-off | cross | glassy | cross-on | cross-on | cross | cross | cross | cross | cross | glassy | cross-on | cross | cross | cross | cross |
High Tide | 8:35AM1.16m | 6:19PM1.43m | 8:50AM1.20m | 7:14PM1.49m | 9:06AM1.25m | 7:59PM1.54m | ||||||||||||||||||
Low Tide | 1:07AM0.21m | 12:43PM1.00m | 1:51AM0.15m | 1:31PM0.89m | 2:26AM0.11m | 2:10PM0.77m | ||||||||||||||||||
 |  |  |  | | | | | | | |  | | |  | | | | | | | | | | |
 | — | 6:50 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:01 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 17 | 17 | 20 | 20 | 20 | 17 | 16 | 15 | 15 | 15 | 18 | 19 | 18 | 15 | 15 | 14 | 14 | 15 | 19 | 19 | 20 | 16 | 17 |
Feels °C | 18 | 17 | 18 | 20 | 20 | 18 | 16 | 15 | 14 | 15 | 15 | 17 | 17 | 16 | 13 | 14 | 12 | 13 | 15 | 19 | 17 | 18 | 14 | 16 |
Swell 1 Height (m) Direction Period (s) | WNW 7 | WNW 7 | WNW 7 | WNW 7 | SW 18 | SW 18 | SW 18 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | SW 17 | SW 17 | SW 17 | SW 17 | WNW 5 | SW 16 | WNW 9 | WNW 9 | SW 16 | SW 16 | SW 16 | WNW 8 |
| kJ | 140 | 117 | 120 | 93 | 383 | 460 | 370 | 168 | 168 | 132 | 129 | 102 | 465 | 465 | 470 | 553 | 53 | 386 | 124 | 121 | 367 | 421 | 421 | 165 |
Swell 2 Height (m) Direction Period (s) | SW 18 | SW 18 | SW 18 | SW 18 | S 12 | SSW 12 | SSW 12 | SW 18 | SW 17 | SW 17 | SW 17 | SW 17 | SSW 12 | SSW 12 | S 12 | S 12 | SW 17 | WNW 7 | SW 16 | SW 16 | NW 14 | NW 14 | NW 13 | SW 16 |
| kJ | 311 | 379 | 379 | 379 | 75 | 49 | 49 | 366 | 358 | 424 | 470 | 465 | 52 | 47 | 44 | 44 | 459 | 74 | 371 | 362 | 102 | 114 | 140 | 367 |
Swell 3 Height (m) Direction Period (s) | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | S 9 | — | SSW 12 | SSW 13 | SSW 13 | S 13 | SSW 13 | — | — | — | — | S 12 | NW 9 | S 12 | NW 15 | S 12 | S 11 | S 11 | NW 13 |
| kJ | 50 | 50 | 49 | 49 | 49 | 2 | — | 51 | 55 | 56 | 53 | 55 | — | — | — | — | 44 | 21 | 44 | 77 | 23 | 23 | 22 | 199 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | WNW 7 | WNW 7 | WNW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | WNW 6 | WNW 5 | WNW 7 | WNW 5 | NW 8 | — | — | — | WNW 8 | WNW 8 | WNW 8 | NW 8 |
| kJ | — | — | — | — | 96 | 107 | 142 | 342 | 342 | 332 | 276 | 189 | 97 | 66 | 114 | 53 | 173 | — | — | — | 134 | 143 | 165 | 297 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 78 | 142 | 150 | 68 | 36 | 0 | 36 | 0 | 247 | 162 | 160 | 68 | 68 | 68 | 36 | 0 | 162 | 187 | 160 | 68 | 35 |
Best forecast wave conditions in San Luis Obispo | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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