Water Temperature of Port of Galveston in Galveston, TX

Current Water Temperature

88.0°F

Measurement Time: Tuesday, September 16, 2025, 3:54 AM CDT

Today's Tides

High: September 16, 3:50 AM, 1.89 ft
 Low: September 16, 7:15 PM, 0.03 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

83.5°F
Clear
Conditions: Clear
Humidity: 63%
Feels Like: 88.1°F
Wind: SE 7.2 mph
Wind Gusts: 10.4 mph
Pressure: 30.02 in
Precipitation: 0 in
Cloud Cover: 13%
Visibility: 6 mi
UV Index: 0

Five Day Weather Forecast

Sunny
Tue
H: 89°F
L: 83°F
Sunny
Wed
H: 88°F
L: 83°F
Overcast
Thu
H: 83°F
L: 83°F
Patchy rain nearby
Fri
H: 83°F
L: 81°F
Moderate rain
Sat
H: 82°F
L: 81°F

Air Quality

PM2.5: 21.65 μg/m3
PM10: 28.12 μg/m3
Carbon Monoxide: 334.85 μg/m3
Nitrogen Dioxide: 6.85 μg/m3
Sulphur Dioxide: 2.96 μg/m3
Ozone: 133 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 1:13 PM
Sunset: 7:22 PM
Daylight: 12 hrs 18 mins
Moonrise: 1:50 AM
Moon Transit: 9:12 AM
Moonset: 4:29 PM
Moon Phase: Last Quarter
Moon Illumination: 23.8%

Best Times for Fishing or Hunting

Major Periods

8:42 AM - 11:12 AM
8:30 PM - 11:00 PM

Minor Periods

3:59 PM - 5:29 PM
1:20 AM - 2:50 AM

Action Rating: 2 out of 5

Air Quality Alert issued September 15 at 2:51PM CDT by NWS Houston/Galveston TX

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Mon September 15, 2025, 2:51 PM
Expires: Tue September 16, 2025, 7:00 PM

AQAHGX The Texas Commission on Environmental Quality (TCEQ) has issued an Ozone Action Day for the Houston, Galveston, and Brazoria area for Tuesday, September 16, 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 September 15 at 2:51PM CDT by NWS Houston/Galveston TX

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Mon September 15, 2025, 2:51 PM
Expires: Tue September 16, 2025, 7:00 PM

AQAHGX The Texas Commission on Environmental Quality (TCEQ) has issued an Ozone Action Day for the Houston, Galveston, and Brazoria area for Tuesday, September 16, 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 September 15 at 2:51PM CDT by NWS Houston/Galveston TX

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Mon September 15, 2025, 2:51 PM
Expires: Tue September 16, 2025, 7:00 PM

AQAHGX The Texas Commission on Environmental Quality (TCEQ) has issued an Ozone Action Day for the Houston, Galveston, and Brazoria area for Tuesday, September 16, 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 September 15 at 2:51PM CDT by NWS Houston/Galveston TX

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Mon September 15, 2025, 2:51 PM
Expires: Tue September 16, 2025, 7:00 PM

AQAHGX The Texas Commission on Environmental Quality (TCEQ) has issued an Ozone Action Day for the Houston, Galveston, and Brazoria area for Tuesday, September 16, 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 September 15 at 2:51PM CDT by NWS Houston/Galveston TX

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Mon September 15, 2025, 2:51 PM
Expires: Tue September 16, 2025, 7:00 PM

AQAHGX The Texas Commission on Environmental Quality (TCEQ) has issued an Ozone Action Day for the Houston, Galveston, and Brazoria area for Tuesday, September 16, 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


Tuesday, September 16, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 84.6°F
Average Humidity: 69%
Chance of Rain: 0%
Wind: 11.6 mph
UV Index: 2

Air Quality

AQI: 2 - Moderate
PM2.5: 21.33 μg/m3
PM10: 26.92 μg/m3
Carbon Monoxide: 320.49 μg/m3
Nitrogen Dioxide: 4.75 μg/m3
Sulphur Dioxide: 2.82 μg/m3
Ozone: 140.68 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 1:13 PM
Sunset: 7:22 PM
Daylight: 12 hrs 18 mins
Moonrise: 1:50 AM
Moon Transit: 9:12 AM
Moonset: 4:29 PM
Moon Phase: Last Quarter
Moon Illumination: 23.8%

Best Times for Fishing or Hunting

Major Periods

8:42 AM - 11:12 AM
8:30 PM - 11:00 PM

Minor Periods

3:59 PM - 5:29 PM
1:20 AM - 2:50 AM

Action Rating: 2 out of 5

Wednesday, September 17, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 84.1°F
Average Humidity: 68%
Chance of Rain: 0%
Wind: 13.9 mph
UV Index: 2

Air Quality

AQI: 2 - Moderate
PM2.5: 19.4 μg/m3
PM10: 25.98 μg/m3
Carbon Monoxide: 325.75 μg/m3
Nitrogen Dioxide: 4.48 μg/m3
Sulphur Dioxide: 1.81 μg/m3
Ozone: 129.48 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 1:13 PM
Sunset: 7:21 PM
Daylight: 12 hrs 16 mins
Moonrise: 2:55 AM
Moon Transit: 10:06 AM
Moonset: 5:11 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.9%

Best Times for Fishing or Hunting

Major Periods

9:22 PM - 11:52 PM
9:36 AM - 12:06 AM

Minor Periods

4:41 PM - 6:11 PM
2:25 AM - 3:55 AM

Action Rating: 2 out of 5

Thursday, September 18, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 82.9°F
Average Humidity: 69%
Chance of Rain: 0%
Wind: 15.7 mph
UV Index: 2.1

Air Quality

AQI: 2 - Moderate
PM2.5: 21.12 μg/m3
PM10: 28.62 μg/m3
Carbon Monoxide: 299.85 μg/m3
Nitrogen Dioxide: 3.66 μg/m3
Sulphur Dioxide: 2.06 μg/m3
Ozone: 134.48 μg/m3

Astronomical

Sunrise: 7:06 AM
Sun Transit: 1:13 PM
Sunset: 7:20 PM
Daylight: 12 hrs 14 mins
Moonrise: 3:59 AM
Moon Transit: 10:56 AM
Moonset: 5:47 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:26 AM - 12:56 AM

Minor Periods

5:17 PM - 6:47 PM
3:29 AM - 4:59 AM

Action Rating: 2 out of 5

Friday, September 19, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 82°F
Average Humidity: 67%
Chance of Rain: 85%
Wind: 13.9 mph
UV Index: 2.2

Air Quality

AQI: 2 - Moderate
PM2.5: 19.45 μg/m3
PM10: 26.65 μg/m3
Carbon Monoxide: 295 μg/m3
Nitrogen Dioxide: 4.45 μg/m3
Sulphur Dioxide: 1.98 μg/m3
Ozone: 116.54 μg/m3

Astronomical

Sunrise: 7:06 AM
Sun Transit: 1:12 PM
Sunset: 7:19 PM
Daylight: 12 hrs 13 mins
Moonrise: 5:00 AM
Moon Transit: 11:43 AM
Moonset: 6:18 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:13 AM - 1:43 PM

Minor Periods

5:48 PM - 7:18 PM
4:30 AM - 6:00 AM

Action Rating: 3 out of 5

Saturday, September 20, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 81.8°F
Average Humidity: 73%
Chance of Rain: 87%
Wind: 16.6 mph
UV Index: 0

Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:07 AM
Sun Transit: 1:12 PM
Sunset: 7:17 PM
Daylight: 12 hrs 11 mins
Moonrise: 5:59 AM
Moon Transit: 12:26 AM
Moonset: 6:47 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:56 AM - 2:26 PM

Minor Periods

6:17 PM - 7:47 PM
5:29 AM - 6:59 AM

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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