Station Name: Rollover Pass
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 3 feet

Sensor Depth: 0 feet

Nearest Address:
1682 Hamilton Ave
Port Bolivar, TX 77617
Galveston County

GPS Coordinates: 29.515, -94.513

Nearby Water Temperatures

Flood Advisory issued June 21 at 7:04AM CDT until June 21 at 9:00AM CDT by NWS Houston/Galveston TX

Effective: Sun June 21, 2026, 7:04 AM
Expires: Sun June 21, 2026, 9:00 AM

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of southeast Texas, including the following county, Chambers. * WHEN...Until 900 AM CDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 704 AM CDT, Doppler radar and automated rain gauges indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 1 and 2.5 inches of rain have fallen. - Additional rainfall amounts of 1 to 2 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Anahuac, Smith Point, Oak Island and Wallisville. - http://www.weather.gov/safety/flood

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.

Flood Warning issued June 21 at 9:44AM CDT until June 21 at 12:45PM CDT by NWS Houston/Galveston TX

Effective: Sun June 21, 2026, 9:44 AM
Expires: Sun June 21, 2026, 12:45 PM

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of southeast Texas, including the following counties, Chambers, Harris and Liberty. * WHEN...Until 1245 PM CDT. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Streams continue to rise due to excess runoff from earlier rainfall. * ADDITIONAL DETAILS... - At 944 AM CDT, Doppler radar indicated heavy rain due to thunderstorms. Flooding is ongoing or expected to begin shortly in the warned area. Between 3 and 5 inches of rain have fallen. - Some locations that will experience flooding include... Baytown, southern Liberty, Beach City, Mont Belvieu, Old River-Winfree and Cove. - http://www.weather.gov/safety/flood

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

Flood Warning issued June 20 at 9:56PM CDT until June 25 at 7:00AM CDT by NWS Lake Charles LA

Effective: Sat June 20, 2026, 9:56 PM
Expires: Sun June 21, 2026, 10:00 PM

...The Flood Warning continues for the following rivers in Louisiana...Texas... Whisky Chitto Creek Near Mittie Calcasieu River Near Salt Water Barrier Sabine River Near Deweyville Calcasieu River Near Oberlin Calcasieu River Near Kinder Calcasieu River Near Glenmora Calcasieu River near White Oak Park ...The Flood Warning is extended for the following rivers in Texas... Pine Island Bayou Near Sour Lake Additional information is available at www.weather.gov. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Pine Island Bayou near Sour Lake. * WHEN...Until Thursday morning. * IMPACTS...At 25.0 feet, Water inundates roads in lowland areas near the river. Low spots on Old Sour Lake Road are under water. * ADDITIONAL DETAILS... - At 8:45 PM CDT Saturday the stage was 25.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:45 PM CDT Saturday was 25.6 feet. - Forecast...The river is expected to rise to a crest of 25.6 feet tomorrow evening. It will then fall below flood stage Wednesday evening. - Flood stage is 25.0 feet. - http://www.weather.gov/safety/flood

Flood Warning issued June 21 at 9:25AM CDT until June 24 at 7:00PM CDT by NWS Lake Charles LA

Effective: Sun June 21, 2026, 9:25 AM
Expires: Mon June 22, 2026, 11:00 AM

...The Flood Warning continues for the following rivers in Texas... Louisiana... Pine Island Bayou Near Sour Lake Sabine River Near Deweyville Additional information is available at www.weather.gov. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Pine Island Bayou near Sour Lake. * WHEN...Until Wednesday evening. * IMPACTS...At 25.0 feet, Water inundates roads in lowland areas near the river. Low spots on Old Sour Lake Road are under water. * ADDITIONAL DETAILS... - At 8:45 AM CDT Sunday the stage was 25.4 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:45 AM CDT Sunday was 25.5 feet. - Forecast...The river is expected to fall below flood stage Wednesday morning and continue falling to 24.0 feet Friday morning. - Flood stage is 25.0 feet. - http://www.weather.gov/safety/flood

Flood Advisory issued June 21 at 8:52AM CDT until June 21 at 12:00PM CDT by NWS Houston/Galveston TX

Effective: Sun June 21, 2026, 8:52 AM
Expires: Sun June 21, 2026, 12:00 PM

* WHAT...Small stream flooding caused by excessive rainfall is occurring. * WHERE...A portion of southeast Texas, including the following counties, Brazoria and Galveston. * WHEN...Until noon CDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. River or stream flows are elevated. * ADDITIONAL DETAILS... - At 851 AM CDT, gauge reports indicated heavy rain due to thunderstorms. This is causing small stream flooding. - Minor flooding is in progress along Old Chigger Creek near SH 35 and Windsong Lane. This will likely be transitioned to an Areal Flood Warning once rainfall comes to an end later this morning. - Some locations that will experience flooding include... Southwestern League City, southwestern Friendswood, Alvin and Santa Fe. - http://www.weather.gov/safety/flood

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.