INSTRUMENT / SEA TEMPERATURE
Lagos Water Temperature
Updated Fri 10:49 (Europe/Lisbon)
Portugal · Forecast updated Nov 6, 2026, 10:49 UTC
Current Sea Temperature
17.8°C
64.0°F
Cold water
Valid Nov 6, 2026, 10:49 (Europe/Lisbon). 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 November average is 17.6°C (63.7°F) from the historical baseline.
Recent trend
Holding fairly steady
Seven-day average: 17.6°C, versus 17.3°C in the prior seven days.
What to wear
Cold water
Use a full 3-5 mm wetsuit and keep the session within your cold-water experience.
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 Lagos, typical monthly averages range from about 15.6°C (60.1°F) in March to 18.3°C (64.9°F) in October.
Over the past 30 days, the average sea temperature in Lagos has been 18.4°C.
Historical baseline (full year)
Northern Hemisphere. Summer is generally June–August; winter is December–February.
Typical monthly sea-surface temperature near Lagos, calculated from hourly observations for 2023–2025. This is not this site's forecast archive.
| Month | Typical range | Average |
|---|---|---|
| January | 16.1–16.8°C | 16.4°C / 61.5°F |
| February | 15.4–16.6°C | 16.0°C / 60.8°F |
| March | 15.3–15.9°C | 15.6°C / 60.1°F |
| April | 16.3–16.6°C | 16.5°C / 61.7°F |
| May | 15.8–17.2°C | 16.6°C / 61.9°F |
| June | 17.4–18.4°C | 17.8°C / 64.0°F |
| July | 17.0–17.9°C | 17.4°C / 63.3°F |
| August | 16.6–18.8°C | 17.4°C / 63.3°F |
| September | 16.4–17.6°C | 17.0°C / 62.6°F |
| October | 17.6–19.4°C | 18.3°C / 64.9°F |
| November | 17.3–18.3°C | 17.6°C / 63.7°F |
| December | 16.0–17.6°C | 16.9°C / 62.4°F |
Source: Open-Meteo Marine API, MeteoFrance sea-surface temperature dataset. Nearest sea grid cell (37.13, -8.71). 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.
Lagos in January
Typical January water temperature near Lagos is 16.4°C (61.5°F), with yearly monthly means from 16.1–16.8°C.
Swimming and snorkeling: cold water. Use a full 3-5 mm wetsuit and keep the session within your cold-water experience.
Adjacent months: December 16.9°C · February 16.0°C.
Explore Lagos sea temperature in January, including swim comfort and month comparisons →
Lagos in February
Typical February water temperature near Lagos is 16.0°C (60.8°F), with yearly monthly means from 15.4–16.6°C.
Swimming and snorkeling: cold water. Use a full 3-5 mm wetsuit and keep the session within your cold-water experience.
Adjacent months: January 16.4°C · March 15.6°C.
Explore Lagos sea temperature in February, including swim comfort and month comparisons →
Lagos in March
Typical March water temperature near Lagos is 15.6°C (60.1°F), with yearly monthly means from 15.3–15.9°C.
Swimming and snorkeling: cold water. Use a full 3-5 mm wetsuit and keep the session within your cold-water experience.
Adjacent months: February 16.0°C · April 16.5°C.
Explore Lagos sea temperature in March, including swim comfort and month comparisons →
Lagos in April
Typical April water temperature near Lagos is 16.5°C (61.7°F), with yearly monthly means from 16.3–16.6°C.
Swimming and snorkeling: cold water. Use a full 3-5 mm wetsuit and keep the session within your cold-water experience.
Adjacent months: March 15.6°C · May 16.6°C.
Explore Lagos sea temperature in April, including swim comfort and month comparisons →
Lagos in May
Typical May water temperature near Lagos is 16.6°C (61.9°F), with yearly monthly means from 15.8–17.2°C.
Swimming and snorkeling: cold water. Use a full 3-5 mm wetsuit and keep the session within your cold-water experience.
Adjacent months: April 16.5°C · June 17.8°C.
Explore Lagos sea temperature in May, including swim comfort and month comparisons →
Lagos in June
Typical June water temperature near Lagos is 17.8°C (64.0°F), with yearly monthly means from 17.4–18.4°C.
Swimming and snorkeling: cold water. Use a full 3-5 mm wetsuit and keep the session within your cold-water experience.
Adjacent months: May 16.6°C · July 17.4°C.
Explore Lagos sea temperature in June, including swim comfort and month comparisons →
Lagos in July
Typical July water temperature near Lagos is 17.4°C (63.3°F), with yearly monthly means from 17.0–17.9°C.
Swimming and snorkeling: cold water. Use a full 3-5 mm wetsuit and keep the session within your cold-water experience.
Adjacent months: June 17.8°C · August 17.4°C.
Explore Lagos sea temperature in July, including swim comfort and month comparisons →
Lagos in August
Typical August water temperature near Lagos is 17.4°C (63.3°F), with yearly monthly means from 16.6–18.8°C.
Swimming and snorkeling: cold water. Use a full 3-5 mm wetsuit and keep the session within your cold-water experience.
Adjacent months: July 17.4°C · September 17.0°C.
Explore Lagos sea temperature in August, including swim comfort and month comparisons →
Lagos in September
Typical September water temperature near Lagos is 17.0°C (62.6°F), with yearly monthly means from 16.4–17.6°C.
Swimming and snorkeling: cold water. Use a full 3-5 mm wetsuit and keep the session within your cold-water experience.
Adjacent months: August 17.4°C · October 18.3°C.
Explore Lagos sea temperature in September, including swim comfort and month comparisons →
Lagos in October
Typical October water temperature near Lagos is 18.3°C (64.9°F), with yearly monthly means from 17.6–19.4°C.
Swimming and snorkeling: cool water. A 3 mm shorty or full wetsuit will make longer snorkels more comfortable.
Adjacent months: September 17.0°C · November 17.6°C.
Explore Lagos sea temperature in October, including swim comfort and month comparisons →
Lagos in November
Typical November water temperature near Lagos is 17.6°C (63.7°F), with yearly monthly means from 17.3–18.3°C.
Swimming and snorkeling: cold water. Use a full 3-5 mm wetsuit and keep the session within your cold-water experience.
Adjacent months: October 18.3°C · December 16.9°C.
Explore Lagos sea temperature in November, including swim comfort and month comparisons →
Lagos in December
Typical December water temperature near Lagos is 16.9°C (62.4°F), with yearly monthly means from 16.0–17.6°C.
Swimming and snorkeling: cold water. Use a full 3-5 mm wetsuit and keep the session within your cold-water experience.
Adjacent months: November 17.6°C · January 16.4°C.
Explore Lagos sea temperature in December, including swim comfort and month comparisons →
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 | 16.5°C / 61.7°F | 18.0°C / 64.5°F | 20.2°C / 68.4°F |
| July | 16.6°C / 61.9°F | 18.4°C / 65.1°F | 22.0°C / 71.6°F |
| August | 16.5°C / 61.7°F | 17.3°C / 63.2°F | 18.7°C / 65.7°F |
| September | 16.4°C / 61.5°F | 18.0°C / 64.5°F | 20.0°C / 68.0°F |
| October | 16.9°C / 62.4°F | 18.8°C / 65.9°F | 20.7°C / 69.3°F |
| November | 17.1°C / 62.8°F | 17.7°C / 63.8°F | 18.1°C / 64.6°F |
Partial coverage: 6 calendar months with records. Profile calculated from 3811 hourly forecast records across 6 monthly periods. This is a growing archive, not a long-term climate normal.
About the water at Lagos
Algarve cliffs and grottoes with clear Atlantic coves around Ponta da Piedade.
- Area
- Algarve
Lagos Water Temperature: Common Questions
What is the water temperature in Lagos today?
The current sea surface temperature near Lagos is 17.8°C (64.0°F). Over the last 30 days, the average has been 18.4°C.
When is the water warmest in Lagos?
The water is typically warmest in October, at around 18.3°C (64.9°F) in the 2023–2025 historical baseline.
When is the water coldest in Lagos?
The water is typically coldest in March, at around 15.6°C (60.1°F) in the same historical baseline. A wetsuit is usually recommended during this period.
Can you swim in Lagos today?
The water is 17.8°C. It may feel cool, but a wetsuit or short swims can help.
Full Snorkeling Forecast
See how today's sea temperature, wave height, wind, and tides combine into a detailed snorkeling score for Lagos.
View Snorkel Forecast →