Water Temperature of Port of Galveston in Galveston, TX

Current Water Temperature

90.7°F

Measurement Time: Monday, August 25, 2025, 10:54 PM CDT

Today's Tides

High: August 25, 6:51 AM, 1.32 ft
 Low: August 25, 12:32 PM, 0.82 ft
High: August 25, 6:21 PM, 1.26 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 Mexico

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Port of Galveston

Station Name: Galveston Pier 21
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 52 feet / 16 meters

Sensor Depth: -10.6 feet / -3.2 meters

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 (22.0 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 (36.0 mi)
Lake Charlotte, Wallisville, TX (38.8 mi)
Gulf of Mexico, Surfside Beach, TX (39.8 mi)

Weather for Galveston, Texas

Current Weather

82.8°F
Clear
Conditions: Clear
Humidity: 70%
Feels Like: 88.3°F
Wind: SSE 9.6 mph
Wind Gusts: 13.8 mph
Pressure: 30.01 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Sunny
Mon
H: 90°F
L: 83°F
Sunny
Tue
H: 91°F
L: 85°F
Partly Cloudy
Wed
H: 85°F
L: 84°F
Cloudy
Thu
H: 86°F
L: 83°F
Patchy rain nearby
Fri
H: 86°F
L: 84°F

Air Quality

AQI: 1 - Good
PM2.5: 20.17 μg/m3
PM10: 25.16 μg/m3
Carbon Monoxide: 327.45 μg/m3
Nitrogen Dioxide: 3.15 μg/m3
Sulphur Dioxide: 2.78 μg/m3
Ozone: 154 μg/m3

Astronomical

Sunrise: 6:53 AM
Sun Transit: 1:21 PM
Sunset: 7:48 PM
Daylight: 12 hrs 55 mins
Moonrise: 9:04 AM
Moon Transit: 3:11 PM
Moonset: 9:11 PM
Moon Phase: New
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

1:41 AM - 4:11 AM
2:41 PM - 5:11 PM

Minor Periods

8:41 PM - 10:11 PM
8:34 AM - 10:04 AM

Action Rating: 3 out of 5

Air Quality Alert issued August 25 at 4:30PM CDT by NWS Houston/Galveston TX

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Mon August 25, 2025, 4:30 PM
Expires: Tue August 26, 2025, 8:30 PM

AQAHGX The Texas Commission on Environmental Quality (TCEQ) has issued an Ozone Action Day for the Houston, Galveston, and Brazoria area for Tuesday, August 26, 2025. Atmospheric conditions are expected to be favorable for producing high levels of ozone pollution in the Houston, Galveston, and surrounding areas on Tuesday. You can help prevent ozone pollution by sharing a ride, walking, riding a bicycle, taking your lunch to work, avoiding drive through lanes, conserving energy and keeping your vehicle properly tuned. For more information on ozone: Ozone: The Facts www.tceq.texas.gov/airquality/monops/ozonefacts.html EPA AirNow: www.airnow.gov/?city=Houston&state=TX&country=USA Take Care of Texas: www.takecareoftexas.org/conservation-tips/keep-our-air-clean


Air Quality Alert issued August 25 at 4:30PM CDT by NWS Houston/Galveston TX

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Mon August 25, 2025, 4:30 PM
Expires: Tue August 26, 2025, 8:30 PM

AQAHGX The Texas Commission on Environmental Quality (TCEQ) has issued an Ozone Action Day for the Houston, Galveston, and Brazoria area for Tuesday, August 26, 2025. Atmospheric conditions are expected to be favorable for producing high levels of ozone pollution in the Houston, Galveston, and surrounding areas on Tuesday. You can help prevent ozone pollution by sharing a ride, walking, riding a bicycle, taking your lunch to work, avoiding drive through lanes, conserving energy and keeping your vehicle properly tuned. For more information on ozone: Ozone: The Facts www.tceq.texas.gov/airquality/monops/ozonefacts.html EPA AirNow: www.airnow.gov/?city=Houston&state=TX&country=USA Take Care of Texas: www.takecareoftexas.org/conservation-tips/keep-our-air-clean


Air Quality Alert issued August 25 at 4:30PM CDT by NWS Houston/Galveston TX

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Mon August 25, 2025, 4:30 PM
Expires: Tue August 26, 2025, 8:30 PM

AQAHGX The Texas Commission on Environmental Quality (TCEQ) has issued an Ozone Action Day for the Houston, Galveston, and Brazoria area for Tuesday, August 26, 2025. Atmospheric conditions are expected to be favorable for producing high levels of ozone pollution in the Houston, Galveston, and surrounding areas on Tuesday. You can help prevent ozone pollution by sharing a ride, walking, riding a bicycle, taking your lunch to work, avoiding drive through lanes, conserving energy and keeping your vehicle properly tuned. For more information on ozone: Ozone: The Facts www.tceq.texas.gov/airquality/monops/ozonefacts.html EPA AirNow: www.airnow.gov/?city=Houston&state=TX&country=USA Take Care of Texas: www.takecareoftexas.org/conservation-tips/keep-our-air-clean


Air Quality Alert issued August 25 at 4:30PM CDT by NWS Houston/Galveston TX

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Mon August 25, 2025, 4:30 PM
Expires: Tue August 26, 2025, 8:30 PM

AQAHGX The Texas Commission on Environmental Quality (TCEQ) has issued an Ozone Action Day for the Houston, Galveston, and Brazoria area for Tuesday, August 26, 2025. Atmospheric conditions are expected to be favorable for producing high levels of ozone pollution in the Houston, Galveston, and surrounding areas on Tuesday. You can help prevent ozone pollution by sharing a ride, walking, riding a bicycle, taking your lunch to work, avoiding drive through lanes, conserving energy and keeping your vehicle properly tuned. For more information on ozone: Ozone: The Facts www.tceq.texas.gov/airquality/monops/ozonefacts.html EPA AirNow: www.airnow.gov/?city=Houston&state=TX&country=USA Take Care of Texas: www.takecareoftexas.org/conservation-tips/keep-our-air-clean


Monday, August 25, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 86.3°F
Average Humidity: 72%
Chance of Rain: 0%
Wind: 10.3 mph
UV Index: 2.5

Air Quality

AQI: 2 - Moderate
PM2.5: 25.9 μg/m3
PM10: 28.17 μg/m3
Carbon Monoxide: 369.56 μg/m3
Nitrogen Dioxide: 9.81 μg/m3
Sulphur Dioxide: 6.72 μg/m3
Ozone: 186.76 μg/m3

Astronomical

Sunrise: 6:53 AM
Sun Transit: 1:21 PM
Sunset: 7:48 PM
Daylight: 12 hrs 55 mins
Moonrise: 9:04 AM
Moon Transit: 3:11 PM
Moonset: 9:11 PM
Moon Phase: New
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

1:41 AM - 4:11 AM
2:41 PM - 5:11 PM

Minor Periods

8:41 PM - 10:11 PM
8:34 AM - 10:04 AM

Action Rating: 3 out of 5

Tuesday, August 26, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 86.5°F
Average Humidity: 76%
Chance of Rain: 0%
Wind: 14.5 mph
UV Index: 2.5

Air Quality

AQI: 2 - Moderate
PM2.5: 20.64 μg/m3
PM10: 26.06 μg/m3
Carbon Monoxide: 310.65 μg/m3
Nitrogen Dioxide: 4.31 μg/m3
Sulphur Dioxide: 2.6 μg/m3
Ozone: 152.6 μg/m3

Astronomical

Sunrise: 6:54 AM
Sun Transit: 1:20 PM
Sunset: 7:47 PM
Daylight: 12 hrs 53 mins
Moonrise: 9:58 AM
Moon Transit: 3:51 PM
Moonset: 9:38 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.1%

Best Times for Fishing or Hunting

Major Periods

2:21 AM - 4:51 AM
3:21 PM - 5:51 PM

Minor Periods

9:08 PM - 10:38 PM
9:28 AM - 10:58 AM

Action Rating: 2 out of 5

Wednesday, August 27, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 84.8°F
Average Humidity: 79%
Chance of Rain: 0%
Wind: 15.9 mph
UV Index: 2.5

Air Quality

AQI: 1 - Good
PM2.5: 11.92 μg/m3
PM10: 16.65 μg/m3
Carbon Monoxide: 229.1 μg/m3
Nitrogen Dioxide: 5.99 μg/m3
Sulphur Dioxide: 1.18 μg/m3
Ozone: 98.24 μg/m3

Astronomical

Sunrise: 6:54 AM
Sun Transit: 1:20 PM
Sunset: 7:46 PM
Daylight: 12 hrs 52 mins
Moonrise: 10:53 AM
Moon Transit: 4:32 PM
Moonset: 10:07 PM
Moon Phase: Waxing Crescent
Moon Illumination: 12.6%

Best Times for Fishing or Hunting

Major Periods

3:02 AM - 5:32 AM
4:02 PM - 6:32 PM

Minor Periods

9:37 PM - 11:07 PM
10:23 AM - 11:53 AM

Action Rating: 2 out of 5

Thursday, August 28, 2025

Weather Forecast

Conditions: Cloudy
Average Temperature: 84.2°F
Average Humidity: 81%
Chance of Rain: 0%
Wind: 17.7 mph
UV Index: 2.4

Air Quality

AQI: 1 - Good
PM2.5: 10.37 μg/m3
PM10: 16.6 μg/m3
Carbon Monoxide: 216.08 μg/m3
Nitrogen Dioxide: 3.47 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 70.08 μg/m3

Astronomical

Sunrise: 6:55 AM
Sun Transit: 1:20 PM
Sunset: 7:45 PM
Daylight: 12 hrs 50 mins
Moonrise: 11:48 AM
Moon Transit: 5:15 PM
Moonset: 10:38 PM
Moon Phase: Waxing Crescent
Moon Illumination: 21.1%

Best Times for Fishing or Hunting

Major Periods

3:44 AM - 6:14 AM
4:45 PM - 7:15 PM

Minor Periods

10:08 PM - 11:38 PM
11:18 AM - 12:48 AM

Action Rating: 2 out of 5

Friday, August 29, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 84.7°F
Average Humidity: 72%
Chance of Rain: 79%
Wind: 18.8 mph
UV Index: 2.6

Air Quality

AQI: 1 - Good
PM2.5: 10.73 μg/m3
PM10: 16.79 μg/m3
Carbon Monoxide: 234.1 μg/m3
Nitrogen Dioxide: 2.86 μg/m3
Sulphur Dioxide: 0.53 μg/m3
Ozone: 68.23 μg/m3

Astronomical

Sunrise: 6:55 AM
Sun Transit: 1:19 PM
Sunset: 7:44 PM
Daylight: 12 hrs 48 mins
Moonrise: 12:45 AM
Moon Transit: 6:00 PM
Moonset: 11:13 PM
Moon Phase: Waxing Crescent
Moon Illumination: 31.0%

Best Times for Fishing or Hunting

Major Periods

4:28 AM - 6:58 AM
5:30 PM - 8:00 PM

Minor Periods

12:00 AM - 12:00 AM
12:15 AM - 1:45 PM

Action Rating: 4 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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