Texas, United States
Gulf of Mexico26.07°N, 97.16°WStation UN-TEX-ISL

Isla Blanca Beach Sea Water Temperature

A subtropical beach on the Gulf of Mexico, warmest around September at about 29.2°C. Today's reading, 7-day forecast, and monthly averages below.

Live readings · auto-updating
Water Temperature NowBuoy & Sentinel-3 SST

Isla Blanca Beach water temperature

29.2
84.6°FTropical Warm (> 28°C)

Very warm bath-like water. Zero chill, exceptional for relaxation and snorkeling.

+0°vs Sep avgGulf of Mexico26.07°N, 97.16°W
Activity Index:SwimmingSnorkelingSurfingTypical conditions
Marine Atmosphere Grid Live Marine Feed
Coastal Air
31°C
87.3°F onshore
Wind Speed
12 km/h
Surface wind
Wave Height
0.8 m
Slight shore chop
Swell
0.6 m
Deep water swell
Wave Period
6 s
Peak interval
UV Index
—
Daily maximum
Sunrise
—
First morning light
Sunset
—
Golden hour close

7-Day Water Temperature Forecast

Open-Meteo ocean model
Today
WedSep 30
29.2°C
84.6°F
Waves: 1m
Tropical
ThuOct 1
29.5°C
85.1°F
Waves: 0.9m
Tropical
FriOct 2
29.6°C
85.3°F
Waves: 0.7m
Tropical
SatOct 3
29.5°C
85.1°F
Waves: 0.6m
Tropical
SunOct 4
29.2°C
84.6°F
Waves: 0.7m
Tropical
MonOct 5
28.9°C
84°F
Waves: 0.9m
Tropical
TueOct 6
28.8°C
83.8°F
Waves: 1m
Tropical
Forecast cooling trend: -0.4°C over 7 days at Isla Blanca Beach.
Confidence: High

Isla Blanca Beach Monthly Water Temperature Averages

Historical monthly climatology. The warmest water in Isla Blanca Beach occurs inMay, June, July, August, September, October — peaking at29.2°C (84.6°F) in September.

Year-Round Water Temperature Curve (°C / °F)

Hover a bar for details
Current month Comfortable (20–24°C) Warm (24°C+) Cool (<20°C)
19
Jan
17
Feb
20
Mar
23
Apr
25
May
28
Jun
28
Jul
29
Aug
Current
29
Sep
28
Oct
24
Nov
21
Dec
Full 12-month data table — min / avg / max & swimming comfort
MonthMin Water TempAverage Water TempMax Water TempSwimming Comfort
January13.9°C18.7°C22.8°CCool / Refreshing (16°C – 20°C)
February13.8°C17.4°C20°CCool / Refreshing (16°C – 20°C)
March16.2°C19.5°C23.2°CCool / Refreshing (16°C – 20°C)
April19°C22.5°C25.3°CComfortable (20°C – 24°C)
May22.3°C25.4°C27.6°CWarm & Ideal (24°C – 28°C)
June26.8°C27.9°C29.5°CWarm & Ideal (24°C – 28°C)
July27°C28°C29.7°CTropical Warm (> 28°C)
August27.3°C28.7°C30.3°CTropical Warm (> 28°C)
SeptemberCurrent28.1°C29.2°C30.7°CTropical Warm (> 28°C)
October24.9°C27.6°C29.9°CWarm & Ideal (24°C – 28°C)
November19.6°C23.8°C27.4°CComfortable (20°C – 24°C)
December15°C20.6°C24.5°CComfortable (20°C – 24°C)

Swimming FAQs for Isla Blanca Beach

Is the sea warm enough to swim in Isla Blanca Beach today?

Typical sea surface temperature in Isla Blanca Beach this time of year is 29.2°C (84.6°F) — classified as Tropical Warm (> 28°C). Very warm bath-like water. Zero chill, exceptional for relaxation and snorkeling. Live readings load automatically.

What are the warmest months for swimming in Isla Blanca Beach?

The highest water temperatures in Isla Blanca Beach typically occur duringMay, June, July, August, September, October, when monthly averages reach peak seasonal levels.

What is the typical water temperature in Isla Blanca Beach in September?

Historically in September, water temperatures in Isla Blanca Beach average around29.2°C (84.6°F), fluctuating between a recorded minimum of 28.1°C and a maximum of 30.7°C.

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Isla Blanca Beach Coastal Zone Map

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