Water Temperature of Port of Galveston in Galveston, TX
Current Water Temperature
Measurement Time: Thursday, June 18, 2026, 1:12 AM CDT
Today's Tides
Low: June 18, 12:55 AM, -0.4 ft
High: June 18, 9:21 AM, 1.4 ft
Low: June 18, 2:52 PM, 1.3 ft
High: June 18, 5:17 PM, 1.3 ft
Temperature Locations
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Local Points of Interest
Pelican Island; Galveston Channel; Texas City Channel; Bolivar Roads; Campbell Bayou; Galveston Bay; Gulf of MexicoStation Name: Galveston Pier 21
Data Source: NOAA Tides and Currents
Elevation Above Sea Level: 53 feet
Sensor Depth: -11 feet
Nearest Address:
2002 Wharf Rd
Galveston, TX 77550
Galveston County
GPS Coordinates: 29.310000, -94.793306
Nearby Water Temperatures
Galveston Bay, Galveston, TX (2.3 mi)Bolivar Roads, Galveston, TX (5.3 mi)
Galveston Bay, Galveston, TX (6.3 mi)
Galveston Bay, San Leon, TX (13.9 mi)
Rollover Pass, Port Bolivar, TX (22 mi)
Trinity Bay, Anahuac, TX (24.4 mi)
Trinity Bay, Baytown, TX (25.2 mi)
San Luis Pass, Freeport, TX (25.8 mi)
San Jacinto River, La Porte, TX (28.1 mi)
Galveston Bay, High Island, TX (31.2 mi)
Old River, Wallisville, TX (34.3 mi)
Trinity River, Wallisville, TX (34.9 mi)
Old River Lake, Cove, TX (36 mi)
Lake Charlotte, Wallisville, TX (38.8 mi)
Gulf of Mexico, Surfside Beach, TX (39.8 mi)
Weather for Galveston, Texas
Current Weather

Five Day Weather Forecast

Thu
H: 86°F
L: 80°F

Fri
H: 84°F
L: 83°F

Sat
H: 84°F
L: 82°F

Sun
H: 84°F
L: 83°F

Mon
H: 84°F
L: 83°F
Air Quality
Nitrogen Dioxide: 1.8 μg/m3
Sulphur Dioxide: 0.4 μg/m3
Ozone: 80 μg/m3
Astronomical
Sun Transit: 1:20 PM
Sunset: 8:21 PM
Daylight: 14 hrs 1 mins
Moon Transit: 5:02 PM
Moonset: 12:10 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.4%
Best Times for Fishing or Hunting
Major Periods
3:26 AM - 5:56 AM4:32 PM - 7:02 PM
Minor Periods
9:39 AM - 11:09 AM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Tropical Storm Warning issued June 17 at 10:28AM CDT by NWS Houston/Galveston TX
Effective: Wed June 17, 2026, 10:28 AM
Expires: Wed June 17, 2026, 8:30 PM
* WHAT...Winds up to 35 kt with gusts potentially over 40 kt and seas 6 to 11 ft. * WHERE...Coastal waters from High Island to Freeport TX out 20 NM, Waters from Freeport to Matagorda Ship Channel TX from 20 to 60 NM and Waters from High Island to Freeport TX from 20 to 60 NM. * WHEN...Through Wednesday Night. * IMPACTS...Tropical storm force winds and hazardous seas will capsize or damage vessels and reduce visibility.
Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions.
Tropical Storm Warning issued June 17 at 11:44AM CDT by NWS Houston/Galveston TX
Effective: Wed June 17, 2026, 11:44 AM
Expires: Wed June 17, 2026, 11:45 PM
* WHAT...South winds 35 to 45 knots with gusts to 60 knots this afternoon becoming southwest and decreasing to 20 to 30 knots by this evening. Seas 5 to 9 ft, subsiding to 4 to 7 ft tonight. * WHERE...Coastal waters from High Island to Freeport TX out 20 NM, Waters from Freeport to Matagorda Ship Channel TX from 20 to 60 NM and Waters from High Island to Freeport TX from 20 to 60 NM. * WHEN...This afternoon and evening. * IMPACTS...Tropical storm force winds and hazardous seas will capsize or damage vessels and reduce visibility.
Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions.
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.02 μg/m3
Sulphur Dioxide: 0.83 μg/m3
Ozone: 83.92 μg/m3
Astronomical
Sun Transit: 1:20 PM
Sunset: 8:21 PM
Daylight: 14 hrs 1 mins
Moon Transit: 5:02 PM
Moonset: 12:10 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.4%
Best Times for Fishing or Hunting
Major Periods
3:26 AM - 5:56 AM4:32 PM - 7:02 PM
Minor Periods
9:39 AM - 11:09 AM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.02 μg/m3
Sulphur Dioxide: 0.76 μg/m3
Ozone: 67.42 μg/m3
Astronomical
Sun Transit: 1:20 PM
Sunset: 8:22 PM
Daylight: 14 hrs 1 mins
Moon Transit: 5:52 PM
Moonset: 12:48 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.3%
Best Times for Fishing or Hunting
Major Periods
4:18 AM - 6:48 AM5:22 PM - 7:52 PM
Minor Periods
10:44 AM - 12:14 AM12:00 AM - 12:00 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.95 μg/m3
Sulphur Dioxide: 0.69 μg/m3
Ozone: 57.33 μg/m3
Astronomical
Sun Transit: 1:20 PM
Sunset: 8:22 PM
Daylight: 14 hrs 1 mins
Moon Transit: 6:37 PM
Moonset: 12:22 AM
Moon Phase: Waxing Crescent
Moon Illumination: 27.8%
Best Times for Fishing or Hunting
Major Periods
5:05 AM - 7:35 AM6:07 PM - 8:37 PM
Minor Periods
11:46 AM - 1:16 PM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.28 μg/m3
Sulphur Dioxide: 0.56 μg/m3
Ozone: 57.08 μg/m3
Astronomical
Sun Transit: 1:21 PM
Sunset: 8:22 PM
Daylight: 14 hrs 1 mins
Moon Transit: 7:20 PM
Moonset: 12:52 AM
Moon Phase: First Quarter
Moon Illumination: 38.5%
Best Times for Fishing or Hunting
Major Periods
5:50 AM - 8:20 AM6:50 PM - 9:20 PM
Minor Periods
12:44 AM - 2:14 PM12:22 AM - 1:52 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.24 μg/m3
Sulphur Dioxide: 0.46 μg/m3
Ozone: 48 μg/m3
Astronomical
Sun Transit: 1:21 PM
Sunset: 8:22 PM
Daylight: 14 hrs 1 mins
Moon Transit: 8:03 PM
Moonset: 1:20 AM
Moon Phase: First Quarter
Moon Illumination: 49.7%
Best Times for Fishing or Hunting
Major Periods
6:32 AM - 9:02 AM7:33 PM - 10:03 PM
Minor Periods
1:41 PM - 3:11 PM12:50 AM - 2:20 AM
Action Rating: 3 out of 5
