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Surf Forecasts:
Terceira - Sao Mateus da Calherta surfForecast / Azores / Portugal
48hr Weather and Surf, issued 10 pm Tuesday 09 Dec 2025 -01Forecast update in hr min s Forecast update imminent
Terceira - Sao Mateus da Calherta surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Terceira - Sao Mateus da Calherta sea temperature is
18.0° C
(Which is normal for this time of year)How big are the waves at Terceira - Sao Mateus da Calherta today?
The current surf forecast for Terceira - Sao Mateus da Calherta at 6AM is: 2.4m 7s primary swell from a South-southwest direction and 0.7m 11s secondary swell from a West direction (forecast issued at 10:00pm December 09). An open ocean swell of 1.6m 13s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (-01) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Dec) | 11ft (3.5m) | 8s |
| Afternoon (10 Dec) | 16ft (5.0m) | 10s |
| Evening (10 Dec) | 13ft (4.0m) | 10s |
Table - waves today at Terceira - Sao Mateus da Calherta. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tue 09 | Wednesday 10 | Thursday 11 | Friday 12 | |||||||||||||||||||||
| 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 | 8 AM | 11 AM | 2 PM | 5 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 11 | 11 | 6 | 7 | 8 | 9 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 500 | 480 | 322 | 320 | 924 | 2195 | 3606 | 4576 | 3850 | 1914 | 1422 | 1214 | 961 | 750 | 665 | 583 | 497 | 418 | 349 | 270 | 217 | 217 | 167 | 161 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | on | on | on | cross- on | cross- on | cross- off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross | cross | cross |
High Tide / height (m) | 4:54AM 1.52 | 5:24PM 1.32 | 5:53AM 1.43 | 6:32PM 1.26 | 7:03AM 1.36 | |||||||||||||||||||
Low Tide / height (m) | 10:28PM 0.57 | 11:17AM 0.61 | 11:23PM 0.67 | 12:24PM 0.69 | 12:34AM 0.74 | 1:43PM 0.73 | ||||||||||||||||||
Tue 09 | Wednesday 10 | Thursday 11 | Friday 12 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 7:54 | - | - | - | - | - | - | - | 7:56 | - | - | - | - | - | - | - | 7:56 | - | - | - |
| Sunset | - | - | - | - | - | - | - | 5:27 | - | - | - | - | - | - | - | 5:27 | - | - | - | - | - | - | - | 5:27 |
 |  | |  |  | | | |  | | | |  | |  |  | | | |  | | | | | |
Rain (mm) | - | - | - | 1 | 1 | 3 | 4 | 3 | 4 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 15 | 16 | 16 | 16 | 17 | 17 | 18 | 20 | 15 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 14 | 14 | 13 |
| Feels °C (?) | 11 | 11 | 9 | 8 | 7 | 7 | 9 | 13 | 8 | 7 | 7 | 6 | 8 | 8 | 7 | 5 | 6 | 8 | 9 | 9 | 9 | 10 | 10 | 10 |
- 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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