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 15 at 9:58PM CDT until June 16 at 1:00AM CDT by NWS Houston/Galveston TX

Effective: Mon June 15, 2026, 9:58 PM
Expires: Tue June 16, 2026, 1:00 AM

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of southeast Texas, including the following county, Chambers. * WHEN...Until 100 AM CDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Ponding of water in urban or other areas is occurring or is imminent. * ADDITIONAL DETAILS... - At 958 PM CDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 2 and 3 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... Smith Point. - http://www.weather.gov/safety/flood

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.

Special Marine Warning issued June 16 at 2:55AM CDT until June 16 at 4:00AM CDT by NWS Houston/Galveston TX

Effective: Tue June 16, 2026, 2:55 AM
Expires: Tue June 16, 2026, 4:00 AM

SMWHGX The National Weather Service in League City has issued a * Special Marine Warning for... Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM... Coastal waters from High Island to Freeport TX out 20 NM... Waters from Freeport to Matagorda Ship Channel TX from 20 to 60 NM... Waters from High Island to Freeport TX from 20 to 60 NM... * Until 400 AM CDT. * At 255 AM CDT, strong thunderstorms capable of producing waterspouts were located near Galveston 424, moving northeast at 15 knots. HAZARD...Waterspouts and wind gusts 34 knots or greater. SOURCE...Radar. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Tabs Buoy F, Galveston A8, Heald Bank, High Island A23, High Island A61, Galveston 424, High Island A80, Galveston A21, and High Island A109.

Move to safe harbor immediately as gusty winds and high waves are expected. Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately.

Flood Warning issued June 15 at 10:02AM CDT by NWS Lake Charles LA

Effective: Mon June 15, 2026, 10:02 AM
Expires: Tue June 16, 2026, 10:15 AM

...The National Weather Service in Lake Charles LA has issued a Flood Warning for the following rivers in Texas... Pine Island Bayou Near Sour Lake Additional information is available at www.weather.gov. * WHAT...Minor flooding is forecast. * WHERE...Pine Island Bayou near Sour Lake. * WHEN...From Wednesday evening until further notice. * 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 9:45 AM CDT Monday the stage was 16.1 feet. - Forecast...The river is expected to rise above flood stage late Wednesday evening and continue rising to a crest of 25.7 feet Friday morning. - Flood stage is 25.0 feet. - http://www.weather.gov/safety/flood

Flood Warning issued June 15 at 3:23PM CDT by NWS Lake Charles LA

Effective: Mon June 15, 2026, 3:23 PM
Expires: Tue June 16, 2026, 3:30 PM

...The Flood Warning is extended for the following rivers in Texas... Pine Island Bayou Near Sour Lake ...The Flood Warning continues for the following rivers in Louisiana... Calcasieu River Near Salt Water Barrier Calcasieu River near White Oak Park Additional information is available at www.weather.gov. * WHAT...Minor flooding is forecast. * WHERE...Pine Island Bayou near Sour Lake. * WHEN...From late Tuesday night until further notice. * IMPACTS...At 29.0 feet, Moderate lowland flooding will occur. Water covers roads in Bevil Oaks. * ADDITIONAL DETAILS... - At 2:45 PM CDT Monday the stage was 19.3 feet. - Forecast...The river is expected to rise above flood stage early Wednesday morning and continue rising to a crest of 27.3 feet early Friday morning. - Flood stage is 25.0 feet. - http://www.weather.gov/safety/flood

Flood Warning issued June 15 at 10:02PM CDT by NWS Lake Charles LA

Effective: Mon June 15, 2026, 10:02 PM
Expires: Tue June 16, 2026, 10:15 PM

...The Flood Warning is extended for the following rivers in Louisiana...Texas... Calcasieu River Near Salt Water Barrier Pine Island Bayou Near Sour Lake ...The Flood Warning continues for the following rivers in Louisiana... Bayou Anacoco Near Rosepine Calcasieu River near White Oak Park Additional information is available at www.weather.gov. * WHAT...Minor flooding is forecast. * WHERE...Pine Island Bayou near Sour Lake. * WHEN...From Tuesday evening until further notice. * IMPACTS...At 29.0 feet, Moderate lowland flooding will occur. Water covers roads in Bevil Oaks. * ADDITIONAL DETAILS... - At 9:45 PM CDT Monday the stage was 22.8 feet. - Forecast...The river is expected to rise above flood stage tomorrow evening and continue rising to a crest of 27.2 feet early Friday morning. - Flood stage is 25.0 feet. - http://www.weather.gov/safety/flood