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

Tropical Storm Watch issued June 16 at 9:52PM CDT by NWS Houston/Galveston TX

Effective: Tue June 16, 2026, 9:52 PM
Expires: Wed June 17, 2026, 6:00 AM

* LOCATIONS AFFECTED - Bolivar - Crystal Beach - High Island * WIND - LATEST LOCAL FORECAST: Below tropical storm force wind - Peak Wind Forecast: 20-30 mph with gusts to 40 mph - THREAT TO LIFE AND PROPERTY THAT INCLUDES TYPICAL FORECAST UNCERTAINTY IN TRACK, SIZE AND INTENSITY: Wind less than 39 mph - The wind threat has remained nearly steady from the previous assessment. - PLAN: The sustained wind should remain less than tropical storm force. Conditions may still be gusty. - PREPARE: Little to no preparations needed to guard against tropical winds at this time. - ACT: Ensure emergency readiness should the forecast change. - POTENTIAL IMPACTS: Little to None - Little to no potential impacts from wind. * STORM SURGE - LATEST LOCAL FORECAST: Life-threatening storm surge possible - Peak Storm Surge Inundation: The potential for 2-4 feet above ground somewhere within surge prone areas - Window of concern: Begins this evening - THREAT TO LIFE AND PROPERTY THAT INCLUDES TYPICAL FORECAST UNCERTAINTY IN TRACK, SIZE AND INTENSITY: Potential for storm surge flooding greater than 3 feet above ground - The storm surge threat has increased from the previous assessment. - PLAN: Plan for life-threatening storm surge flooding of greater than 3 feet above ground. - PREPARE: Storm surge flooding preparations should be underway. Assemble disaster supplies and know your evacuation route. - ACT: Leave if evacuation orders are given for your area. Failure to heed evacuation orders may result in the loss of your life. - POTENTIAL IMPACTS: Significant - Areas of inundation with storm surge flooding accentuated by waves. Damage to several buildings, mainly near the coast. - Sections of near-shore escape routes and secondary roads become weakened or washed out, especially in usually vulnerable low spots. - Major beach erosion with heavy surf breaching dunes. Strong and numerous rip currents. - Moderate damage to marinas, docks, boardwalks, and piers. Several small craft broken away from moorings, especially in unprotected anchorages. * FLOODING RAIN - LATEST LOCAL FORECAST: Flood Watch is in effect - Peak Rainfall Amounts: Additional 1-3 inches, with locally higher amounts - THREAT TO LIFE AND PROPERTY THAT INCLUDES TYPICAL FORECAST UNCERTAINTY IN TRACK, SIZE AND INTENSITY: Potential for major flooding rain - The flooding rain threat has remained nearly steady from the previous assessment. - PLAN: Emergency plans should include the potential for major flooding from heavy rain. Evacuations and rescues are likely. - PREPARE: Strongly consider protective actions, especially if you are in an area vulnerable to flooding. - ACT: Heed any flood watches and warnings. Failure to take action will likely result in serious injury or loss of life. - POTENTIAL IMPACTS: Extensive - Major rainfall flooding may prompt many evacuations and rescues. - Rivers and tributaries may rapidly overflow their banks in multiple places. Small streams, creeks, canals, and ditches may become dangerous rivers. Flood control systems and barriers may become stressed. - Flood waters can enter many structures within multiple communities, some structures becoming uninhabitable or washed away. Many places where flood waters may cover escape routes. Streets and parking lots become rivers of moving water with underpasses submerged. Driving conditions become dangerous. Many road and bridge closures with some weakened or washed out. * TORNADO - LATEST LOCAL FORECAST: - Situation is somewhat favorable for tornadoes - THREAT TO LIFE AND PROPERTY THAT INCLUDES TYPICAL FORECAST UNCERTAINTY IN TRACK, SIZE AND INTENSITY: Potential for a few tornadoes - The tornado threat has remained nearly steady from the previous assessment. - PLAN: Emergency plans should include the potential for a few tornadoes. - PREPARE: If your shelter is particularly vulnerable to tornadoes, prepare to relocate to safe shelter before hazardous weather arrives. - ACT: If a tornado warning is issued, be ready to shelter quickly. - POTENTIAL IMPACTS: Limited - The occurrence of isolated tornadoes can hinder the execution of emergency plans during tropical events. - A few places may experience tornado damage, along with power and communications disruptions. - Locations could realize roofs peeled off buildings, chimneys toppled, mobile homes pushed off foundations or overturned, large tree tops and branches snapped off, shallow-rooted trees knocked over, moving vehicles blown off roads, and small boats pulled from moorings. * FOR MORE INFORMATION: - Hurricane Preparedness: Federal Emergency Management Agency - http://ready.gov/hurricanes - Local weather conditions and forecasts: NWS Houston/Galveston, TX - http://www.weather.gov/hgx/

Tropical Storm Warning issued June 16 at 10:31PM CDT by NWS Houston/Galveston TX

Effective: Tue June 16, 2026, 10:31 PM
Expires: Wed June 17, 2026, 6:45 AM

* WHAT...Winds up to 35 kt with gusts potentially over 40 kt and seas 6 to 11 ft. * WHERE...Coastal waters from High Island to Freeport TX out 20 NM, Waters from Freeport to Matagorda Ship Channel TX from 20 to 60 NM and Waters from High Island to Freeport TX from 20 to 60 NM. * WHEN...Through Wednesday Night. * IMPACTS...Tropical storm force winds and hazardous seas could capsize or damage vessels and reduce visibility.

Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions.

Tropical Storm Warning issued June 16 at 4:39PM CDT by NWS Houston/Galveston TX

Effective: Tue June 16, 2026, 4:39 PM
Expires: Wed June 17, 2026, 3:15 AM

* WHAT...Winds up to 35 kt with gusts potentially over 40 kt and seas 6 to 11 ft. * WHERE...Coastal waters from High Island to Freeport TX out 20 NM, Waters from Freeport to Matagorda Ship Channel TX from 20 to 60 NM and Waters from High Island to Freeport TX from 20 to 60 NM. * WHEN...Through Wednesday Night. * IMPACTS...Tropical storm force winds and hazardous seas could capsize or damage vessels and reduce visibility.

Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions.

Coastal Flood Warning issued June 16 at 10:42PM CDT until June 17 at 7:00PM CDT by NWS Houston/Galveston TX

Effective: Tue June 16, 2026, 10:42 PM
Expires: Wed June 17, 2026, 6:45 AM

* WHAT...Coastal flooding expected. * WHERE...Bolivar Peninsula. * WHEN...From 7 PM this evening to 7 PM CDT Wednesday. * IMPACTS...Numerous roads may be closed. Low lying property including homes, businesses, and some critical infrastructure could be inundated. Some shoreline erosion will occur. * ADDITIONAL DETAILS...The best chance of coastal flooding will occur late overnight tonight into Wednesday morning and afternoon.

Take the necessary actions to protect flood-prone property. If travel is required, do not drive around barricades or through water of unknown depth.