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Surf Forecasts:
San Mateo surfForecast / Manabi / Ecuador
48hr Weather and Surf, issued 6 am Sunday 31 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
25.3° C
(Which is 1.1°C warmer than normal for this time of year)How big are the waves at San Mateo today (31 May):
- Morning surf: Morning surf (31 May, local time) - 4.5ft (1.3m), 19s period with SW swell.
- Afternoon surf: Afternoon surf (31 May, local time) - 5.5ft (1.7m), 18s period with SW swell.
- Evening surf: Evening surf (31 May, local time) - 5ft (1.5m), 18s period with SW swell.
The current surf forecast for San Mateo at 9AM is: 1.3m 19s primary swell from a Southwest direction and 1.0m 13s secondary swell from a Southwest direction (forecast issued at 06:00am May 31). The wind direction is predicted to be cross-shore.
| Time (-05) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | 4.5ft (1.3m) | 19s |
| Afternoon (31 May) | 5.5ft (1.7m) | 18s |
| Evening (31 May) | 5ft (1.5m) | 18s |
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 Mon morning, min 24°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 31 | Monday 1 | Tuesday 2 | Wed 3 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 19 | SW 19 | SW 19 | SW 18 | SW 18 | SW 18 | SW 18 | SW 17 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 18 | |
1195 | 1308 | 1123 | 1802 | 1761 | 1327 | 1327 | 1312 | 1682 | 1318 | 1123 | 897 | 897 | 886 | 886 | 793 | 692 | 724 | 606 | 590 | 529 | 590 | 536 | 1150 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | glassy | cross-on | cross-on | cross-on | cross | cross | cross | cross-off | cross | cross-on | cross-on | cross | cross | cross | |
High Tide | 3:47AM2.28m | 3:46PM2.29m | 4:24AM2.30m | 4:23PM2.28m | 5:02AM2.29m | 5:00PM2.25m | ||||||||||||||||||
Low Tide | 9:46AM0.61m | 10:05PM0.30m | 10:24AM0.60m | 10:42PM0.30m | 11:02AM0.61m | 11:19PM0.33m | ||||||||||||||||||
 |  | |  | |  |  | | |  | | | | | | | | | | | | | | | |
 | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | 6:18 |
 | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | 6:22 |
1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 24 | 25 | 26 | 26 | 25 | 24 | 24 | 24 | 24 | 26 | 27 | 26 | 25 | 24 | 24 | 24 | 24 | 26 | 27 | 26 | 25 | 24 | 24 |
27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 30 | 29 | 27 | 27 | 27 | 27 | 27 | 27 | 29 | 29 | 26 | 27 | 26 | 27 | |
Swell 1 Height (m) Direction Period (s) | SW 19 | SW 19 | SW 19 | SW 18 | SW 18 | SW 18 | SW 18 | SW 17 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 18 |
 kJ | 1195 | 1308 | 1123 | 1802 | 1761 | 1327 | 1327 | 1312 | 1682 | 1318 | 1123 | 897 | 897 | 886 | 886 | 793 | 692 | 724 | 606 | 590 | 529 | 590 | 536 | 1150 |
Swell 2 Height (m) Direction Period (s) | SW 14 | SW 13 | SW 13 | WNW 15 | NW 15 | SW 12 | SW 12 | SSW 12 | WNW 13 | WNW 13 | SSW 5 | SW 11 | WNW 13 | WNW 13 | NW 19 | SW 5 | SSW 10 | SW 20 | SW 20 | SW 20 | SW 20 | SW 19 | SW 19 | NW 18 |
| kJ | 507 | 347 | 336 | 21 | 8 | 209 | 212 | 180 | 17 | 17 | 5 | 60 | 17 | 17 | 59 | 6 | 68 | 105 | 138 | 239 | 306 | 369 | 515 | 49 |
Swell 3 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 13 | NW 10 | NW 10 | NW 10 | NW 10 | NW 14 | NW 10 | NW 21 | WNW 13 | WNW 13 | NW 10 | NW 19 | WNW 13 | NW 19 | SW 21 | WNW 12 | WNW 12 | WNW 18 | NW 18 | WNW 18 | NW 18 | WNW 12 |
| kJ | 60 | 59 | 35 | 4 | 4 | 4 | 4 | 7 | 4 | 18 | 17 | 17 | 4 | 15 | 17 | 96 | 71 | 14 | 14 | 31 | 80 | 123 | 79 | 14 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | SSW 5 | SSW 5 | SSW 5 | SSW 5 | — | — | — | SW 5 | SSW 5 | SW 3 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 10 | 10 | 10 | 9 | — | — | — | 6 | 9 | 3 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 7 | 7 | 141 | 141 | 1012 | 141 | 7 | 0 | 0 | 0 | 0 | 857 | 920 | 141 | 141 | 7 | 7 | 0 | 136 | 141 | 912 | 139 | 7 | 7 |
Best forecast wave conditions in Manabi | ||||||||||||||||||||||||
Best forecast wave conditions in Ecuador | ||||||||||||||||||||||||
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