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Surf Forecasts:
Ollas Altas surfForecast / Sinaloa / Mexico
48hr Weather and Surf, issued 10 am Monday 18 May 2026 MSTForecast update in hr min s Forecast update imminent
Ollas Altas surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Ollas Altas sea temperature is
27.1° C
(Which is 1.1°C warmer than normal for this time of year)How big are the waves at Ollas Altas today?
The current surf forecast for Ollas Altas at 7PM is: 0.8m 13s primary swell from a South-southwest direction and 0.5m 5s secondary swell from a West direction (forecast issued at 10:00am May 18). The wind direction is predicted to be cross-onshore.
| Time (MST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 2.5ft (0.7m) | 14s |
| Afternoon (18 May) | 2.5ft (0.8m) | 13s |
| Evening (18 May) | 2.5ft (0.8m) | 13s |
Table - waves today at Ollas Altas. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 28°C on Mon morning, min 24°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 | 2 AM | 5 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SW 21 | SW 21 | SW 16 | SW 16 | SW 15 | SW 16 | SW 16 | SSW 14 | SW 19 | SW 19 | SW 15 | |
180 | 246 | 229 | 225 | 225 | 222 | 222 | 195 | 195 | 149 | 145 | 140 | 136 | 162 | 162 | 201 | 198 | 188 | 196 | 236 | 173 | 236 | 236 | 137 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-on | on | cross-on | cross | cross-on | glassy | glassy | glassy | on | cross-on | cross-on | cross-on | glassy | glassy | off | glassy | on | cross-on | cross-on | cross | cross | glassy | cross-off | |
High Tide | 10:10AM0.72m | 8:55PM1.26m | 11:13AM0.64m | 9:39PM1.14m | 12:37PM0.61m | 10:32PM1.00m | ||||||||||||||||||
Low Tide | 2:39PM0.31m | 4:22AM-0.36m | 3:16PM0.41m | 5:20AM-0.22m | 4:04PM0.51m | |||||||||||||||||||
 | | |  |  | | | | | | | | | | | |  | | | |  | |  | | |
 | 5:22 | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 |
 | — | — | — | 6:40 | — | — | — | — | — | — | — | 6:40 | — | — | — | — | — | — | — | 6:42 | — | — | — | 6:42 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 26 | 28 | 28 | 27 | 26 | 25 | 25 | 24 | 26 | 27 | 28 | 27 | 26 | 26 | 25 | 24 | 25 | 28 | 28 | 28 | 27 | 26 | 25 | 25 |
29 | 30 | 28 | 27 | 27 | 27 | 28 | 26 | 29 | 27 | 26 | 26 | 27 | 29 | 27 | 25 | 27 | 29 | 26 | 27 | 28 | 27 | 27 | 26 | |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SW 15 | SW 16 | SW 16 | SSW 14 | SSW 13 | SW 13 | SSW 13 |
 kJ | 180 | 246 | 229 | 225 | 225 | 222 | 222 | 195 | 195 | 149 | 145 | 140 | 136 | 131 | 131 | 129 | 98 | 188 | 196 | 236 | 173 | 156 | 136 | 113 |
Swell 2 Height (m) Direction Period (s) | W 5 | W 5 | SW 18 | SW 18 | W 5 | W 5 | WSW 5 | WSW 5 | WSW 4 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SSW 12 | SW 11 | SSW 14 | SW 15 | SW 19 | SW 19 | SW 15 |
| kJ | 13 | 13 | 50 | 50 | 13 | 12 | 7 | 7 | 4 | 103 | 96 | 93 | 91 | 91 | 125 | 201 | 198 | 98 | 104 | 70 | 83 | 236 | 236 | 137 |
Swell 3 Height (m) Direction Period (s) | SSW 12 | SW 18 | SW 26 | SW 26 | SW 18 | SW 17 | SW 17 | SW 17 | SW 17 | SW 24 | SW 24 | SW 23 | WSW 5 | SW 21 | SW 21 | SW 21 | WSW 4 | SW 21 | SSW 15 | WSW 6 | SW 19 | SW 16 | SW 15 | SW 19 |
| kJ | 55 | 13 | 26 | 26 | 48 | 104 | 102 | 46 | 47 | 22 | 22 | 21 | 8 | 162 | 162 | 72 | 2 | 18 | 21 | 6 | 133 | 85 | 139 | 133 |
Wind waves Height (m) Direction Period (s) | — | — | WSW 5 | W 5 | — | — | — | — | — | WSW 4 | WSW 5 | WSW 5 | W 5 | — | — | — | — | WSW 5 | WSW 6 | — | — | — | — | — |
| kJ | — | — | 15 | 14 | — | — | — | — | — | 4 | 7 | 10 | 13 | — | — | — | — | 2 | 6 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 6 | 287 | 287 | 287 | 87 | 18 | 0 | 0 | 0 | 287 | 348 | 287 | 221 | 0 | 0 | 0 | 0 | 287 | 348 | 287 | 6 | 57 | 0 | 0 |
Best forecast wave conditions in Sinaloa | ||||||||||||||||||||||||
Best forecast wave conditions in Mexico | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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