Galveston — Water Temperature, Sea Conditions & Trends
This page provides clear and up-to-date information about water temperature for Galveston (Texas, United States). It includes the current water temperature, daily data for the last month presented in a simple chart, and a 7-day forecast. The page also compares today’s value with typical averages for this period, shows usual monthly ranges during the year, and lists nearby beaches with short descriptions. Local weather for the next few days and general details about Galveston help you plan your visit and choose the best time for swimming.
Current Water Temperature
Water temperature in Galveston in the Gulf of America today is 26°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature ranges from 75°F (23°C) to 79°F (26°C). This is a very comfortable temperature for swimming, and many people can enjoy prolonged stays in the water without feeling cold. The water is pleasantly warm, making it ideal for relaxation and water sports. This temperature range is particularly popular among tourists, as it combines comfort and safety for health.
It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.
Water Temperature Chart Over the Last 30 Days
Water temperature in Galveston today is lower than both a week ago and a month ago. Currently, the sea water temperature at this location matches the average for this day in previous years.
According to our forecast, Water temperature in Galveston will be 24.9°C in the next 7 days. See the table below for daily data for the upcoming week.
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| OCT 11 | 28.6°C | 28.0°C | |
| OCT 12 | 28.4°C | 27.8°C | |
| OCT 13 | 28.3°C | 27.5°C | |
| OCT 14 | 28.0°C | 27.5°C | |
| OCT 15 | 28.4°C | 27.3°C | |
| OCT 16 | 28.5°C | 27.3°C | |
| OCT 17 | 28.3°C | 26.0°C | |
| OCT 18 | 27.0°C | 25.5°C | |
| OCT 19 | 25.5°C | 25.3°C | 25.5°C |
| OCT 20 | 24.8°C | 25.4°C | |
| OCT 21 | 25.0°C | 25.3°C | |
| OCT 22 | 25.0°C | 25.3°C | |
| OCT 23 | 24.8°C | 25.2°C | |
| OCT 24 | 24.8°C | 25.1°C | |
| OCT 25 | 24.8°C | 25.0°C | |
| OCT 26 | 24.8°C | 24.9°C |
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast
Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.
Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts to enhance accuracy.
Water temperature data for this location is gathered from various sources, including buoys and satellite sea and ocean surface maps provided by the NOAA agency. We also incorporate data from local authorities in each specific location worldwide to ensure more accurate temperature readings.
Annual Water Temperature Overview by Month
Monthly Water Temp Ranges
Annual Water Temperature Trend
Galveston, a coastal city on the upper Gulf of Mexico in Texas, experiences distinctly seasonal sea-surface temperatures driven by subtropical climatic influences. During winter months (December–February) water temperatures typically range from about 15 to 20 °C, remaining cool but rarely frigid. Spring (March–May) brings a steady warming trend, with temperatures rising from roughly 18 to 26 °C by late spring. Summers (June–August) are the warmest period for swimming, when surface temperatures commonly sit between 26 and 31 °C. In autumn (September–November) the Gulf gradually cools again, with typical sea temperatures from about 21 to 28 °C, though tropical weather systems can cause short-term spikes or drops.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 10°C | 13°C | 19°C |
| February | 8°C | 14°C | 18°C |
| March | 13°C | 18°C | 23°C |
| April | 17°C | 22°C | 26°C |
| May | 22°C | 26°C | 30°C |
| June | 26°C | 29°C | 32°C |
| July | 28°C | 30°C | 32°C |
| August | 28°C | 31°C | 33°C |
| September | 25°C | 29°C | 32°C |
| October | 20°C | 26°C | 30°C |
| November | 16°C | 21°C | 26°C |
| December | 12°C | 16°C | 22°C |
* Click on a month to view detailed water temperature data.
Galveston: Weather Forecast
October 20
October 21
October 22
October 23
Location, Beaches & Local Information
Nearby Beaches & Facilities
Galveston Island Historic Pleasure Pier
Porretto Beach
Stewart Beach
45th Street
Fort Crockett Park
Galveston Beach
61st Street Fishing Pier
East Beach
Apffel Park
Swimming Conditions
Swimming and beach holidays in Galveston are popular during the warmer months when water temperatures are most comfortable for extended time in the sea. Public beaches offer shallow shorelines that heat quickly in summer, making conditions suitable for families and recreational swimmers; lifeguards are often present on main beaches in peak season. Visitors should be aware of occasional hazards that affect swimming opportunities, including jellyfish, algal blooms (which can lead to temporary advisories), rip currents on exposed stretches, and impacts from tropical storms or hurricanes that can close beaches or alter sandbars. Water quality monitoring and local advisories guide safe swimming decisions, and many people time visits for late spring through early fall when temperatures are consistently warm and facilities and services are most reliably available.