Station Name: MISSISSIPPI SOUND AT USGS MERRILL SHELL BANK LIGHT
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 0 feet

Nearest Address:
Offshore
Pass Christian, MS
Harris County

GPS Coordinates: 30.23825405, -89.24281939

Nearby Water Temperatures

Flood Warning issued January 14 at 6:18PM CST until January 16 at 9:00PM CST by NWS New Orleans LA

Effective: Wed January 14, 2026, 6:18 PM
Expires: Thu January 15, 2026, 10:30 AM

...The Flood Warning continues for the following rivers in Louisiana...Mississippi... Bogue Chitto River Near Bush affecting St. Tammany Parish. Pearl River Near Pearl River affecting St. Tammany, Pearl River and Hancock Counties. For the Bogue Chitto River...including Bush...Minor flooding is forecast. For the Lower Pearl River...including Pearl River...Minor flooding is forecast. * WHAT...Minor flooding is occurring. * WHERE...Pearl River near Pearl River. * WHEN...Until late Friday evening. * IMPACTS...At 16.0 feet, Lower portions of streets in River Gardens Subdivision will begin to flood. Secondary roads to the river and throughout Honey Island Swamp will remain inundated. Property in the vicinity of the gage is flooded threatening about 20 homes along the left bank. The Bogue Chitto National Wildlife Refuge will be closed to hunting at the 15.5 foot stage. * ADDITIONAL DETAILS... - At 6:00 PM CST Wednesday the stage was 15.6 feet. - Bankfull stage is 12.0 feet. - Forecast...The river is expected to rise to a crest of 16.0 feet tomorrow morning. It will then fall below flood stage Friday afternoon. - Flood stage is 14.0 feet. - http://www.weather.gov/safety/flood

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Caution is urged when walking near riverbanks. Motorists should not attempt to drive around barricades or drive cars through flooded areas. 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. Additional information is available at www.weather.gov/lix. Click on the Rivers and Lakes menu for forecasts and observations. The next statement will be issued Thursday morning at 1030 AM CST.

Cold Weather Advisory issued January 15 at 12:06AM CST until January 15 at 9:00AM CST by NWS Mobile AL

Effective: Thu January 15, 2026, 12:06 AM
Expires: Thu January 15, 2026, 9:00 AM

* WHAT...Very cold wind chills as low as 16 expected. * WHERE...Portions of south central and southwest Alabama, northwest Florida, and southeast Mississippi. * WHEN...Until 9 AM CST this morning. * IMPACTS...Wind chill values can lead to hypothermia with prolonged exposure.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Keep pets indoors as much as possible. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.

Flood Warning issued January 14 at 6:18PM CST until January 15 at 9:00PM CST by NWS New Orleans LA

Effective: Wed January 14, 2026, 6:18 PM
Expires: Thu January 15, 2026, 10:30 AM

...The Flood Warning continues for the following rivers in Louisiana...Mississippi... Bogue Chitto River Near Bush affecting St. Tammany Parish. Pearl River Near Pearl River affecting St. Tammany, Pearl River and Hancock Counties. For the Bogue Chitto River...including Bush...Minor flooding is forecast. For the Lower Pearl River...including Pearl River...Minor flooding is forecast. * WHAT...Minor flooding is occurring. * WHERE...Bogue Chitto River near Bush. * WHEN...Until late tomorrow evening. * IMPACTS...At 13.0 feet, Homes in low-lying areas on the downstream side of Louisiana Highway 21 near the bridge will flood. The access road upstream of the bridge will remain inundated. * ADDITIONAL DETAILS... - At 5:15 PM CST Wednesday the stage was 12.2 feet. - Bankfull stage is 9.0 feet. - Forecast...The river is expected to fall below flood stage tomorrow afternoon and continue falling to 5.5 feet Monday evening. - Flood stage is 11.0 feet. - http://www.weather.gov/safety/flood

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Caution is urged when walking near riverbanks. Motorists should not attempt to drive around barricades or drive cars through flooded areas. 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. Additional information is available at www.weather.gov/lix. Click on the Rivers and Lakes menu for forecasts and observations. The next statement will be issued Thursday morning at 1030 AM CST.