Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
San Mateo surfForecast / Manabi / Ecuador
48hr Weather and Surf, issued 6 am Wednesday 17 Dec 2025 -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
24.5° 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 12PM is: 0.9m 13s primary swell from a Southwest direction and 0.6m 16s secondary swell from a West-northwest direction, 0.2m 11s secondary swell from a West-northwest direction (forecast issued at 06:00am December 17). The wind direction is predicted to be cross-onshore.
| Time (-05) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Dec) | 3ft (0.9m) | 13s |
| Afternoon (17 Dec) | 2ft (0.6m) | 16s |
| Evening (17 Dec) | 2ft (0.6m) | 13s |
Table - waves today at San Mateo. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 17 | Thursday 18 | Friday 19 | Sat 20 | |||||||||||||||||||||
| 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 | 1 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 13 | 13 | 16 | 13 | 13 | 13 | 14 | 14 | 12 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 202 | 253 | 257 | 257 | 162 | 113 | 109 | 108 | 138 | 138 | 102 | 102 | 102 | 99 | 123 | 113 | 109 | 85 | 85 | 85 | 85 | 61 | 44 | 44 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross- on | cross- on | cross | cross | cross | cross | cross | cross | cross- on | cross- on | cross | cross | cross | cross | cross | cross | cross- on | cross- on | cross | cross | cross |
High Tide / height (m) | 1:38AM 2.14 | 2:23PM 2.10 | 2:20AM 2.18 | 3:03PM 2.17 | 3:01AM 2.22 | 3:42PM 2.23 | ||||||||||||||||||
Low Tide / height (m) | 8:02AM 0.51 | 8:19PM 0.77 | 8:43AM 0.43 | 9:01PM 0.70 | 9:22AM 0.36 | 9:40PM 0.65 | ||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Sat 20 | |||||||||||||||||||||
| Sunrise | - | 6:13 | - | - | - | - | - | - | - | 6:13 | - | - | - | - | - | - | - | 6:13 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:23 | - | - | - | - | - | - | - | 6:24 | - | - | - | - | - | - | - | 6:24 | - | - | - |
 |  |  |  | | | | |  | | | | |  | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 21 | 21 | 22 | 24 | 23 | 21 | 21 | 21 | 21 | 21 | 23 | 24 | 23 | 22 | 21 | 21 | 21 | 21 | 23 | 24 | 23 | 22 | 21 | 21 |
| Feels °C (?) | 20 | 20 | 21 | 23 | 21 | 19 | 20 | 20 | 20 | 21 | 24 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 23 | 23 | 22 | 21 | 21 | 21 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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