Portugal
Algarve · Atlantic Ocean

Praia da Manta RotaSea temperature now

Algarve family beach.

Mild water with a light chop and a light breeze — good swimming conditions.

Sea temperature now
20.2°Cwarm
Excellent
Updated just now · Source: Open-Meteo Marine
Air
Waves
Wind
UV

Location

Praia da Manta Rota on the map, with nearby beaches and live sea temperatures.

7-day forecast

Water, air, waves, wind and UV outlook for the week ahead.

Monthly sea temperature averages

Typical year-round water temperature, based on regional climatology.

14°C21°C· Current month outlined· “Best” = within 2°C of the annual peak

Best time to swim in Praia da Manta Rota

The sea in Praia da Manta Rota peaks in August, when the water averages around 21°C.

The main swimming season runs from July – September, when surface temperatures stay comfortable for extended sessions.

On average, 3 months a year sit above 20°C — the threshold most swimmers describe as pleasant without a wetsuit.

Shoulder months like June and October are noticeably cooler but often quieter, with fewer crowds and steadier weather.

Outside peak season the water drops toward 14°C, so a 3/2mm shorty or full wetsuit makes long swims much more comfortable.

The coldest month is typically February at around 14°C, when cold-water swimmers dominate the coast.

Praia da Manta Rota sea temperature history

Long-term climatology for Praia da Manta Rota shows an annual mean sea temperature of 18°C, ranging from 14°C in winter to 21°C at the summer peak.

The seasonal swing is roughly 7°C between the coldest and warmest month — a useful yardstick when comparing years or checking whether the current sea is running above or below average.

Recent decades have trended slightly warmer at Praia da Manta Rota, in line with regional sea-surface temperature records for the wider basin.

Monthly averages below are drawn from multi-decadal climatology and are updated as new observations arrive.

Jan
15°C
Feb
14°C
Mar
15°C
Apr
16°C
May
17°C
Jun
19°C
Jul
20°C
Aug
21°C
Sep
21°C
Oct
19°C
Nov
18°C
Dec
16°C

Praia da Manta Rota sea temperature: frequently asked questions

What is the warmest month to swim in Praia da Manta Rota?

August is the warmest month in Praia da Manta Rota, when the sea averages about 21°C. Late-season warmth often persists a few weeks after peak.

When is the sea coldest in Praia da Manta Rota?

The coldest month in Praia da Manta Rota is typically February, when the water averages around 14°C. Cold-water swimmers and surfers dominate this period.

When can you swim in Praia da Manta Rota without a wetsuit?

The main swimming season in Praia da Manta Rota runs from July – September — about 3 months a year when the sea sits above 20°C, the level most swimmers describe as pleasant without a wetsuit.

Do I need a wetsuit in Praia da Manta Rota?

Outside peak summer the water in Praia da Manta Rota drops toward 14°C, so a 3/2mm shorty or full wetsuit makes long swims much more comfortable. In peak months most swimmers go without.

What is the average sea temperature in Praia da Manta Rota?

The long-term annual mean sea temperature in Praia da Manta Rota is about 18°C, based on multi-decadal climatology of the surrounding waters.

How do I check the current sea temperature in Praia da Manta Rota?

The live reading at the top of this page shows the current sea temperature in Praia da Manta Rota, updated hourly from marine buoy and satellite data. The 7-day forecast covers water, air, waves, wind and UV for the week ahead.

Year-round sea temperature

Best swim months: Jul – Aug – Sep

MonthSeaComfort
Jan15°CBracing
Feb14°CBracing
Mar15°CBracing
Apr16°CBracing
May17°CBracing
Jun19°CPleasant
Jul20°CPleasant
Aug21°CPleasant
Sep21°CPleasant
Oct19°CPleasant
Nov18°CPleasant
Dec16°CBracing

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