Madeira - Garajau Water Temperature
Updated Tue 10:07 (Atlantic/Madeira)
Portugal · Forecast updated Sep 22, 2026, 10:07 UTC
Current Sea Temperature
24.1°C
75.4°F
Mild water
Valid Sep 22, 2026, 10:07 (Atlantic/Madeira). Source: stored Open-Meteo marine forecast. Temperature is not a safety rating or snorkel score.
Versus this month's average
Close to average
The typical September average is 24.3°C (75.7°F) from the historical baseline.
Recent trend
Cooling by 0.5°C
Seven-day average: 24.8°C, versus 25.2°C in the prior seven days.
What to wear
Mild water
A rash guard is useful; cold-sensitive snorkelers may prefer a shorty wetsuit.
Cold tolerance varies. Wind, session length, sunshine, and exertion also affect comfort; temperature alone does not describe sea conditions or replace the snorkel forecast.
Typical Sea Temperature Over the Year
In the historical baseline for Madeira - Garajau, typical monthly averages range from about 19.2°C (66.6°F) in March to 24.7°C (76.5°F) in August.
Over the past 30 days, the average sea temperature in Madeira - Garajau has been 25.0°C.
Historical baseline (full year)
Northern Hemisphere. Summer is generally June–August; winter is December–February.
Typical monthly sea-surface temperature near Madeira - Garajau, calculated from hourly observations for 2023–2025. This is not this site's forecast archive.
| Month | Typical range | Average |
|---|---|---|
| January | 19.8–20.9°C | 20.2°C / 68.4°F |
| February | 18.8–20.2°C | 19.5°C / 67.1°F |
| March | 18.9–19.5°C | 19.2°C / 66.6°F |
| April | 19.3–20.1°C | 19.8°C / 67.6°F |
| May | 20.1–21.0°C | 20.7°C / 69.3°F |
| June | 21.9–22.6°C | 22.1°C / 71.8°F |
| July | 23.6–24.0°C | 23.8°C / 74.8°F |
| August | 24.3–25.1°C | 24.7°C / 76.5°F |
| September | 24.0–24.9°C | 24.3°C / 75.7°F |
| October | 23.3–24.6°C | 23.9°C / 75.0°F |
| November | 22.1–23.3°C | 22.6°C / 72.7°F |
| December | 20.4–21.8°C | 21.1°C / 70.0°F |
Source: Open-Meteo Marine API, MeteoFrance sea-surface temperature dataset. Nearest sea grid cell (32.63, -16.87). Each month is the mean of yearly monthly means; the range is the lowest and highest of those yearly monthly means. Open-Meteo methodology.
Water temperature by month
Each month uses the 2023–2025 baseline. The range is the lowest and highest yearly monthly mean, not an hourly extreme.
Madeira - Garajau in January
Typical January water temperature near Madeira - Garajau is 20.2°C (68.4°F), with yearly monthly means from 19.8–20.9°C.
Madeira - Garajau in February
Typical February water temperature near Madeira - Garajau is 19.5°C (67.1°F), with yearly monthly means from 18.8–20.2°C.
Madeira - Garajau in March
Typical March water temperature near Madeira - Garajau is 19.2°C (66.6°F), with yearly monthly means from 18.9–19.5°C.
Madeira - Garajau in April
Typical April water temperature near Madeira - Garajau is 19.8°C (67.6°F), with yearly monthly means from 19.3–20.1°C.
Madeira - Garajau in May
Typical May water temperature near Madeira - Garajau is 20.7°C (69.3°F), with yearly monthly means from 20.1–21.0°C.
Madeira - Garajau in June
Typical June water temperature near Madeira - Garajau is 22.1°C (71.8°F), with yearly monthly means from 21.9–22.6°C.
Madeira - Garajau in July
Typical July water temperature near Madeira - Garajau is 23.8°C (74.8°F), with yearly monthly means from 23.6–24.0°C.
Madeira - Garajau in August
Typical August water temperature near Madeira - Garajau is 24.7°C (76.5°F), with yearly monthly means from 24.3–25.1°C.
Madeira - Garajau in September
Typical September water temperature near Madeira - Garajau is 24.3°C (75.7°F), with yearly monthly means from 24.0–24.9°C.
Madeira - Garajau in October
Typical October water temperature near Madeira - Garajau is 23.9°C (75.0°F), with yearly monthly means from 23.3–24.6°C.
Madeira - Garajau in November
Typical November water temperature near Madeira - Garajau is 22.6°C (72.7°F), with yearly monthly means from 22.1–23.3°C.
Madeira - Garajau in December
Typical December water temperature near Madeira - Garajau is 21.1°C (70.0°F), with yearly monthly means from 20.4–21.8°C.
Forecast archive (growing)
These values come from hourly forecasts SnorkelForecast has stored. They cover only months with records and do not replace the historical baseline.
| Month | Min | Average | Max |
|---|---|---|---|
| June | 20.8°C / 69.4°F | 21.9°C / 71.4°F | 23.1°C / 73.6°F |
| July | 22.2°C / 72.0°F | 23.8°C / 74.9°F | 25.0°C / 77.0°F |
| August | 24.0°C / 75.2°F | 25.2°C / 77.4°F | 25.9°C / 78.6°F |
| September | 24.1°C / 75.4°F | 25.0°C / 77.0°F | 25.8°C / 78.4°F |
Partial coverage: 4 calendar months with records. Profile calculated from 2731 hourly forecast records across 4 monthly periods. This is a growing archive, not a long-term climate normal.
About the water at Madeira - Garajau
Atlantic marine reserve where dusky groupers approach snorkelers in clear water.
- Area
- Madeira
Madeira - Garajau Water Temperature: Common Questions
What is the water temperature in Madeira - Garajau today?
The current sea surface temperature near Madeira - Garajau is 24.1°C (75.4°F). Over the last 30 days, the average has been 25.0°C.
When is the water warmest in Madeira - Garajau?
The water is typically warmest in August, at around 24.7°C (76.5°F) in the 2023–2025 historical baseline.
When is the water coldest in Madeira - Garajau?
The water is typically coldest in March, at around 19.2°C (66.6°F) in the same historical baseline. A wetsuit is usually recommended during this period.
Can you swim in Madeira - Garajau today?
At 24.1°C, the water is usually comfortable for swimming and snorkeling.
Full Snorkeling Forecast
See how today's sea temperature, wave height, wind, and tides combine into a detailed snorkeling score for Madeira - Garajau.
View Snorkel Forecast →