United States
Texas · Gulf of Mexico

Matagorda Beach Water Temperature & Swim Forecast

Popular Texas beach near Matagorda.

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

Sea temperature now
28.8°Ctropical
Excellent
Source: Open-Meteo Marine

Model estimate · modelled, not a buoy measurement. How accurate is this?

Air temperature
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Wave height
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Wind
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UV index
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Location

Matagorda Beach 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

No wetsuit

At 28.8°C the water is warm enough to swim and surf in just a swimsuit or boardshorts.

Surf & watersports
Tropical-feel conditions. Most swimmers stay comfortable for an hour or more without thermal protection. UV exposure is the bigger risk — sunscreen and a rash vest are worth packing.
Open-water swimming
Open-water swims of 60+ minutes feel comfortable with no neoprene.

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

Matagorda Beach swimming conditions summary

Water temperature
28.8°C
Water feels
Bath-warm
Swimmable today
Yes — comfortable for most swimmers
Swim conditions score
87/100 · Excellent
Wetsuit needed
No wetsuit
Air temperature
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Waves
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Wind
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UV index
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Average sea temperature (September)
29.0 °C
Warmest months to swim
June, July, August

At 28.8°C the water is warm enough to swim and surf in just a swimsuit or boardshorts. Model estimate. 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 Matagorda Beach right now?

The sea at Matagorda Beach is currently 28.8°C — excellent 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 Matagorda Beach next week?

Based on long-term September averages and the latest marine model, expect the sea around Matagorda Beach to sit close to 26.9°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 Matagorda Beach?

June – July – August are typically the warmest months to swim at Matagorda Beach, with sea temperatures at their seasonal peak.

Do I need a wetsuit at Matagorda Beach?

With water currently at 28.8°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 Matagorda Beach today?

The sea is currently 28.8°C — excellent swimming conditions. Most swimmers will find it pleasant.

Key takeaways
  • • Located in Texas, United States (Gulf of Mexico).
  • • 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.

16°C → 30°C· Current month outlined· “Best” = within 2°C of the annual peak

Best time to swim in Matagorda Beach

The sea in Matagorda Beach peaks in July, when the water averages around 30°C.

The main swimming season runs from April – November, 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 March and December are noticeably cooler but often quieter, with fewer crowds and steadier weather.

Outside peak season the water drops toward 19°C, so a 3/2mm shorty or full wetsuit makes long swims much more comfortable.

The coldest month is typically January at around 16°C, when cold-water swimmers dominate the coast.

Matagorda Beach sea temperature history

Long-term climatology for Matagorda Beach shows an annual mean sea temperature of 24°C, ranging from 16°C in winter to 30°C at the summer peak.

The seasonal swing is roughly 14°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 Matagorda Beach, 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
16°C
Feb
16°C
Mar
19°C
Apr
23°C
May
26°C
Jun
29°C
Jul
30°C
Aug
30°C
Sep
29°C
Oct
26°C
Nov
21°C
Dec
18°C

Matagorda Beach sea temperature: frequently asked questions

What is the warmest month to swim in Matagorda Beach?

July is the warmest month in Matagorda Beach, when the sea averages about 30°C. Late-season warmth often persists a few weeks after peak.

When is the sea coldest in Matagorda Beach?

The coldest month in Matagorda Beach is typically January, when the water averages around 16°C. Cold-water swimmers and surfers dominate this period.

When can you swim in Matagorda Beach without a wetsuit?

The main swimming season in Matagorda Beach runs from April – November — 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 Matagorda Beach?

Outside peak summer the water in Matagorda Beach 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 Matagorda Beach?

The long-term annual mean sea temperature in Matagorda Beach is about 24°C, based on multi-decadal climatology of the surrounding waters.

How do I check the current sea temperature in Matagorda Beach?

The live reading at the top of this page shows the current sea temperature in Matagorda Beach, 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: Apr – May – Jun – Jul – Aug – Sep – Oct – Nov

MonthSeaComfort
Jan16°CBracing
Feb16°CBracing
Mar19°CPleasant
Apr23°CWarm
May26°CHot
Jun29°CHot
Jul ⭐30°CHot
Aug30°CHot
Sep29°CHot
Oct26°CHot
Nov21°CPleasant
Dec18°CPleasant

Nearby beaches

The closest coastline, with live water temperatures.