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Surf Forecasts:
San Mateo surfForecast / Manabi / Ecuador
48hr Weather and Surf, issued 12 am Wednesday 20 May 2026 -05Forecast update in hr min s Forecast update imminent
San Mateo surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's San Mateo sea temperature is
25.6° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at San Mateo today?
The current surf forecast for San Mateo at 4AM is: 0.8m 16s primary swell from a Southwest direction (forecast issued at 12:00am May 20). An open ocean swell of 0.8m 6s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (-05) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 2.5ft (0.7m) | 15s |
| Afternoon (20 May) | 2.5ft (0.7m) | 15s |
| Evening (20 May) | 2ft (0.6m) | 16s |
Table - waves today at San Mateo. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 27°C on Thu afternoon, min 24°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 20 | Thursday 21 | Friday 22 | ||||||||||||||||||||||
1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 16 | |
291 | 295 | 239 | 227 | 181 | 218 | 188 | 196 | 239 | 229 | 218 | 176 | 174 | 174 | 171 | 171 | 127 | 125 | 198 | 160 | 125 | 121 | 95 | 127 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross | cross | cross | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross | |
High Tide | 6:17AM2.62m | 6:27PM2.49m | 7:12AM2.54m | 7:23PM2.34m | 8:10AM2.44m | 8:25PM2.19m | ||||||||||||||||||
Low Tide | 11:54PM-0.02m | 12:24PM0.37m | 00:46AM0.11m | 1:22PM0.48m | 1:42AM0.26m | 2:25PM0.59m | ||||||||||||||||||
 | |  |  | | | | |  | | | | | | | | | | | | | | | | |
 | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:21 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 24 | 24 | 26 | 26 | 26 | 24 | 24 | 24 | 24 | 24 | 26 | 26 | 27 | 25 | 24 | 24 | 24 | 24 | 26 | 27 | 25 | 24 | 24 |
26 | 26 | 26 | 29 | 28 | 27 | 26 | 26 | 25 | 25 | 26 | 28 | 28 | 28 | 27 | 27 | 26 | 27 | 26 | 29 | 29 | 26 | 26 | 26 | |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SSW 6 | SSW 6 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 16 |
 kJ | 291 | 295 | 239 | 227 | 181 | 218 | 33 | 34 | 239 | 229 | 218 | 176 | 174 | 174 | 40 | 30 | 29 | 24 | 198 | 160 | 125 | 121 | 91 | 127 |
Swell 2 Height (m) Direction Period (s) | NW 11 | SSW 6 | SW 12 | SW 12 | SW 11 | NW 12 | SW 15 | SW 16 | NW 12 | SW 11 | SW 10 | SW 10 | NW 12 | NW 12 | SW 15 | SW 15 | SW 14 | SW 14 | SSW 7 | SW 18 | NW 15 | NW 11 | SW 16 | SW 13 |
| kJ | 20 | 44 | 50 | 50 | 46 | 36 | 188 | 196 | 36 | 29 | 39 | 27 | 36 | 35 | 171 | 171 | 127 | 125 | 28 | 49 | 33 | 19 | 95 | 61 |
Swell 3 Height (m) Direction Period (s) | WNW 13 | NW 11 | NW 11 | NW 11 | NW 12 | SW 11 | NW 12 | NW 12 | SW 11 | NW 12 | NW 12 | NW 12 | SW 10 | SW 10 | NW 11 | NW 11 | SW 17 | SW 18 | NW 11 | NW 15 | NW 11 | WNW 15 | NW 11 | WNW 11 |
| kJ | 17 | 20 | 33 | 33 | 37 | 19 | 36 | 36 | 18 | 36 | 36 | 36 | 16 | 15 | 33 | 19 | 76 | 78 | 19 | 33 | 19 | 21 | 18 | 11 |
Wind waves Height (m) Direction Period (s) | SSW 6 | — | SSW 6 | SSW 6 | SSW 6 | SSW 6 | — | — | SW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | — | — | — | — | — | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 |
| kJ | 41 | — | 32 | 32 | 31 | 32 | — | — | 43 | 52 | 45 | 40 | 38 | 40 | — | — | — | — | — | 27 | 33 | 32 | 33 | 31 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 7 | 7 | 0 | 48 | 912 | 912 | 864 | 805 | 450 | 102 | 7 | 7 | 141 | 141 | 46 | 4 | 7 | 0 | 0 | 138 | 912 | 979 | 141 | 141 |
Best forecast wave conditions in Manabi | ||||||||||||||||||||||||
Best forecast wave conditions in Ecuador | ||||||||||||||||||||||||
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