Water Temperature of San Antonio Bay in Seadrift, TX
Current Water Temperature
not available at this time.
Today's Tides
Low: May 20, 9:20 AM, 0.4 ft
High: May 20, 10:27 PM, 0.8 ft
Temperature Locations
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Local Points of Interest
Guadalupe Bay; Hynes Bay; Shoalwater Bay; Espiritu Santo Bay; Ayres BayStation Name: Seadrift
Data Source: NOAA Tides and Currents
Elevation Above Sea Level: 0 feet
Sensor Depth: -1 feet
Nearest Address:
S Main St
Seadrift, TX 77983
Calhoun County
GPS Coordinates: 28.406900, -96.712402
Nearby Water Temperatures
San Antonio Bay, Austwell, TX (13.3 mi)Lavaca Bay, Port Lavaca, TX (17.3 mi)
Matagorda Bay, Port O'Connor, TX (19.4 mi)
Matagorda Ship Channel, Port O'Connor, TX (23.3 mi)
Aransas Bay, Rockport, TX (33.5 mi)
Tres Palacios Bay, Palacios, TX (34.6 mi)
San Antonio River, Goliad, TX (44.1 mi)
Aransas Pass, Port Aransas, TX (44.1 mi)
Corpus Christi Channel, Port Aransas, TX (44.9 mi)
Corpus Christi Bay, Portland, TX (50.5 mi)
Gulf Intracoastal Waterway, Matagorda, TX (52.8 mi)
East Matagorda Bay, Matagorda, TX (55.1 mi)
Corpus Christi Bay, Corpus Christi, TX (58.3 mi)
Neuces Bay, Corpus Christi, TX (61.6 mi)
Packery Channel, Corpus Christi, TX (62.2 mi)
Weather for Seadrift, Texas
Current Weather

Five Day Weather Forecast

Wed
H: 85°F
L: 78°F

Thu
H: 85°F
L: 78°F

Fri
H: 86°F
L: 70°F

Sat
H: 84°F
L: 72°F

Sun
H: 85°F
L: 75°F
Air Quality
Nitrogen Dioxide: 1.75 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 56 μg/m3
Astronomical
Sun Transit: 1:23 PM
Sunset: 8:14 PM
Daylight: 13 hrs 40 mins
Moon Transit: 5:32 PM
Moonset: 12:51 AM
Moon Phase: Waxing Crescent
Moon Illumination: 14.4%
Best Times for Fishing or Hunting
Major Periods
3:36 AM - 6:06 AM5:02 PM - 7:32 PM
Minor Periods
9:49 AM - 11:19 AM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Flood Watch issued May 20 at 11:30AM CDT until May 25 at 7:00PM CDT by NWS Corpus Christi TX
Effective: Wed May 20, 2026, 4:30 PM
Expires: Thu May 21, 2026, 12:30 AM
* WHAT...Flooding caused by excessive rainfall is possible. * WHERE...All of South Texas * WHEN...From late tonight through Monday evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Due to recent rainfall, the 3 hour flash flood guidance has fallen below 2.5" for much of the eastern half of South Texas with some spots below 0.50". Locations out west are sitting at 2.5-3" in the 3 hour flash flood guidance. With the expectation of more rain this week and into the weekend, flooding will be possible, especially within the strongest thunderstorms. - http://www.weather.gov/safety/flood
You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.
Flood Watch issued May 20 at 7:16PM CDT until May 25 at 7:00PM CDT by NWS Corpus Christi TX
Effective: Thu May 21, 2026, 12:16 AM
Expires: Thu May 21, 2026, 8:00 AM
* WHAT...Flooding caused by excessive rainfall remains possible over the next several days * WHERE...A portion of south Texas, including the following areas, Aransas Islands, Bee, Calhoun Islands, Coastal Aransas, Coastal Calhoun, Coastal Kleberg, Coastal Nueces, Coastal Refugio, Coastal San Patricio, Duval, Goliad, Inland Calhoun, Inland Kleberg, Inland Nueces, Inland Refugio, Inland San Patricio, Jim Wells, Kleberg Islands, La Salle, Live Oak, McMullen, Nueces Islands, Victoria and Webb. * WHEN...From 1 AM CDT Thursday through Monday evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Due to recent rainfall, the 3 hour flash flood guidance has fallen below 2.5" for much of the eastern half of South Texas with some spots below 0.50". Locations out west are sitting at 2.5-3" in the 3 hour flash flood guidance. With the expectation of more rain this week and into the weekend, flooding will be possible, especially in areas directly impacted by strong thunderstorms - http://www.weather.gov/safety/flood
You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.
Flood Watch issued May 20 at 12:41PM CDT until May 25 at 7:00AM CDT by NWS Houston/Galveston TX
Effective: Wed May 20, 2026, 5:41 PM
Expires: Thu May 21, 2026, 12:15 PM
* WHAT...Flooding caused by excessive rainfall is possible. * WHERE...Portions of south central and southeast Texas, including the following areas, in south central Texas, Coastal Jackson and Inland Jackson. In southeast Texas, Brazoria Islands, Coastal Brazoria, Coastal Galveston, Coastal Matagorda, Fort Bend, Galveston Island, Inland Brazoria, Inland Galveston, Inland Matagorda, Matagorda Islands and Wharton. * WHEN...From Thursday morning through Monday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Areas along the coast, especially Matagorda and Brazoria Counties, received 4-6+" between Tuesday night and Wednesday morning. These areas are expected to see another round of moderate to heavy rainfall on Thursday and Friday which brings the potential for flash flooding. The current extent of this Flood Watch includes areas with a flood threat within the next 24-48 hours, so the watch could be expanded in area and as the rainfall threat evolves going into the weekend. Rainfall rates are expected to peak in the 3-4+" per hour range in the heaviest downpours. Additional rainfall totals through Friday are anticipated to be in the 2-4" range along the coast. - http://www.weather.gov/safety/flood
You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.59 μg/m3
Sulphur Dioxide: 1.29 μg/m3
Ozone: 59.76 μg/m3
Astronomical
Sun Transit: 1:23 PM
Sunset: 8:14 PM
Daylight: 13 hrs 40 mins
Moon Transit: 5:32 PM
Moonset: 12:51 AM
Moon Phase: Waxing Crescent
Moon Illumination: 14.4%
Best Times for Fishing or Hunting
Major Periods
3:36 AM - 6:06 AM5:02 PM - 7:32 PM
Minor Periods
9:49 AM - 11:19 AM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.65 μg/m3
Sulphur Dioxide: 1.23 μg/m3
Ozone: 58.16 μg/m3
Astronomical
Sun Transit: 1:23 PM
Sunset: 8:14 PM
Daylight: 13 hrs 41 mins
Moon Transit: 6:28 PM
Moonset: 12:41 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.2%
Best Times for Fishing or Hunting
Major Periods
4:35 AM - 7:05 AM5:58 PM - 8:28 PM
Minor Periods
10:58 AM - 12:28 AM12:11 AM - 1:41 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.83 μg/m3
Sulphur Dioxide: 1.2 μg/m3
Ozone: 58.36 μg/m3
Astronomical
Sun Transit: 1:23 PM
Sunset: 8:15 PM
Daylight: 13 hrs 42 mins
Moon Transit: 7:19 PM
Moonset: 1:22 AM
Moon Phase: Waxing Crescent
Moon Illumination: 33.4%
Best Times for Fishing or Hunting
Major Periods
5:30 AM - 8:00 AM6:49 PM - 9:19 PM
Minor Periods
12:04 AM - 1:34 PM12:52 AM - 2:22 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.43 μg/m3
Sulphur Dioxide: 1.23 μg/m3
Ozone: 54.62 μg/m3
Astronomical
Sun Transit: 1:23 PM
Sunset: 8:15 PM
Daylight: 13 hrs 43 mins
Moon Transit: 8:05 PM
Moonset: 1:58 AM
Moon Phase: First Quarter
Moon Illumination: 44.4%
Best Times for Fishing or Hunting
Major Periods
6:17 AM - 8:47 AM7:35 PM - 10:05 PM
Minor Periods
1:05 PM - 2:35 PM1:28 AM - 2:58 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:23 PM
Sunset: 8:16 PM
Daylight: 13 hrs 44 mins
Moon Transit: 8:48 PM
Moonset: 2:29 AM
Moon Phase: First Quarter
Moon Illumination: 55.7%
Best Times for Fishing or Hunting
Major Periods
7:02 AM - 9:32 AM8:18 PM - 10:48 PM
Minor Periods
2:03 PM - 3:33 PM1:59 AM - 3:29 AM
Action Rating: 4 out of 5
