Stewart Beach water temperature

Typically about 88° in August — bath-warm.

from the Galveston north jetty station, about 3 miles away

bath-warm

bath-warm 80° and up perfect 72–79° refreshing 65–71° brisk below 65° 88° typical for August

The year at a glance

Swimmable from April through November.

swimmable 40° 50° 60° 70° 80° 90° 100° 88° 55° JFMAMJJASOND January: typically 55° — brisk February: typically 59° — brisk March: typically 66° — refreshing April: typically 73° — perfect May: typically 80° — bath-warm June: typically 85° — bath-warm July: typically 86° — bath-warm August: typically 88° — bath-warm September: typically 85° — bath-warm October: typically 78° — perfect November: typically 70° — refreshing December: typically 61° — brisk

Month by month

Month Typical Feels
January 55° brisk
February 59° brisk
March 66° refreshing
April 73° perfect
May 80° bath-warm
June 85° bath-warm
July 86° bath-warm
August 88° bath-warm
September 85° bath-warm
October 78° perfect
November 70° refreshing
December 61° brisk

About this reading

The Galveston north jetty station sits in an inlet; surf-zone water can run a few degrees off this reading.

Reading from the Galveston north jetty station, about 3 miles away.

Warm water says nothing about surf, rip currents, or bacteria — check local lifeguard flags and advisories.