Brazil
Santa Catarina · Atlantic Ocean

Praia do Forte Beach Florianópolis Water Temperature & Swim Forecast

Popular beach in Florianópolis, Brazil.

Pleasant water with a light chop and a light breeze — great swimming conditions.

Sea temperature now
22.9°Cwarm
Excellent
Updated 5 min ago · Source: Open-Meteo Marine

Current model estimate · updated 5 min ago · modelled, not a buoy measurement. How accurate is this?

Air temperature
23.3°C
Wave height
0.5 m
Wind
9.9 km/h
UV index
3.9 UV index

Location

Praia do Forte Beach Florianópolis on the map, with nearby beaches and live sea temperatures.

7-day forecast

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

Wetsuit recommendation

Rash vest or swimsuit

At 22.9°C most swimmers and surfers are comfortable in a swimsuit or thin rash top.

Surf & watersports
Warm summer-Mediterranean range. A UV-rated rash vest adds sun protection without restricting your stroke. Children and slim swimmers may prefer a thin 1.5mm shorty for sessions over 45 minutes.
Open-water swimming
Comfortable for unlimited swim duration; rash vest cuts UV and chafing.

Recommendation tuned for Praia do Forte Beach Florianópolis's current water temperature. Individual tolerance, wind chill, and session length all matter — when in doubt, size up.

Praia do Forte Beach Florianópolis swimming conditions summary

Water temperature
22.9°C
Water feels
Pleasant
Swimmable today
Yes — comfortable for most swimmers
Swim conditions score
84/100 · Excellent
Wetsuit needed
Rash vest or swimsuit
Air temperature
23.3°C
Waves
0.5 m · calm
Wind
10 km/h · light breeze
UV index
4 · moderate
Average sea temperature (November)
23.0 °C
Warmest months to swim
January, February, March

At 22.9°C most swimmers and surfers are comfortable in a swimsuit or thin rash top. Current model estimate · updated 5 min ago. Water, wave, wind and UV values are Open-Meteo marine/weather model estimates, refreshed hourly — not buoy measurements.

Frequently asked questions

Can I swim at Praia do Forte Beach Florianópolis right now?

The sea at Praia do Forte Beach Florianópolis is currently 22.9°C — great swimming conditions. Most swimmers will find the water comfortable when it's above 22°C; below 18°C feels fresh and a wetsuit is recommended.

What will the sea temperature be at Praia do Forte Beach Florianópolis next week?

Based on long-term November averages and the latest marine model, expect the sea around Praia do Forte Beach Florianópolis to sit close to 23.0°C over the next 7 days. Check the live 7-day chart above for the exact daily outlook.

When is the best month to swim at Praia do Forte Beach Florianópolis?

January – February – March are typically the warmest months to swim at Praia do Forte Beach Florianópolis, with sea temperatures at their seasonal peak.

Do I need a wetsuit at Praia do Forte Beach Florianópolis?

With water currently at 22.9°C: above 22°C no wetsuit needed; 18–22°C a shorty is comfortable for long swims; 14–18°C a 3/2mm full suit; below 14°C a 4/3mm or thicker.

Quick answer

Can I swim at Praia do Forte Beach Florianópolis today?

The sea is currently 22.9°C — excellent swimming conditions. Most swimmers will find it pleasant.

Key takeaways
  • • Located in Santa Catarina, Brazil (Atlantic Ocean).
  • • Family friendly with calm, accessible water.
  • • Live data refreshed hourly from Open-Meteo Marine.

Monthly sea temperature averages

Tap any month to see what to expect — based on regional climatology.

18°C → 28°C· Current month outlined· “Best” = within 2°C of the annual peak

Best time to swim in Praia do Forte Beach Florianópolis

The sea in Praia do Forte Beach Florianópolis peaks in January, when the water averages around 28°C.

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

On average, 8 months a year sit above 20°C — the threshold most swimmers describe as pleasant without a wetsuit.

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

The coldest month is typically July at around 18°C, when cold-water swimmers dominate the coast.

Praia do Forte Beach Florianópolis sits in the Southern Hemisphere, so the warmest sea coincides with the December–February summer and the coolest with July–August.

Praia do Forte Beach Florianópolis sea temperature history

Long-term climatology for Praia do Forte Beach Florianópolis shows an annual mean sea temperature of 23°C, ranging from 18°C in winter to 28°C at the summer peak.

The seasonal swing is roughly 10°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 do Forte Beach Florianópolis, 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
28°C
Feb
28°C
Mar
27°C
Apr
24°C
May
21°C
Jun
19°C
Jul
18°C
Aug
18°C
Sep
19°C
Oct
21°C
Nov
23°C
Dec
26°C

Praia do Forte Beach Florianópolis sea temperature: frequently asked questions

What is the warmest month to swim in Praia do Forte Beach Florianópolis?

January is the warmest month in Praia do Forte Beach Florianópolis, when the sea averages about 28°C. Late-season warmth often persists a few weeks after peak.

When is the sea coldest in Praia do Forte Beach Florianópolis?

The coldest month in Praia do Forte Beach Florianópolis is typically July, when the water averages around 18°C. Cold-water swimmers and surfers dominate this period.

When can you swim in Praia do Forte Beach Florianópolis without a wetsuit?

The main swimming season in Praia do Forte Beach Florianópolis runs from October – May — about 8 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 do Forte Beach Florianópolis?

Outside peak summer the water in Praia do Forte Beach Florianópolis drops toward 19°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 do Forte Beach Florianópolis?

The long-term annual mean sea temperature in Praia do Forte Beach Florianópolis is about 23°C, based on multi-decadal climatology of the surrounding waters.

How do I check the current sea temperature in Praia do Forte Beach Florianópolis?

The live reading at the top of this page shows the current sea temperature in Praia do Forte Beach Florianópolis, 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: Jan – Feb – Mar – Apr – May – Oct – Nov – Dec

MonthSeaComfort
Jan ⭐28°CHot
Feb28°CHot
Mar27°CHot
Apr24°CWarm
May21°CPleasant
Jun19°CPleasant
Jul18°CPleasant
Aug18°CPleasant
Sep19°CPleasant
Oct21°CPleasant
Nov23°CWarm
Dec26°CHot

Nearby beaches

The closest coastline, with live water temperatures.