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 May 9 at 7:44PM CDT until May 11 at 5:31AM CDT by NWS New Orleans LA

Effective: Sat May 9, 2026, 7:44 PM
Expires: Sun May 10, 2026, 11:45 AM

...The National Weather Service in New Orleans LA has issued a Flood Warning for the following rivers in Mississippi... Biloxi River Near Lyman affecting Harrison County. For the Biloxi River...including Wortham, Lyman...Minor flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Biloxi River near Lyman. * WHEN...From late tonight to early Monday morning. * IMPACTS...At 12.0 feet, River Road near Three Rivers Road bridge will begin to flood. * ADDITIONAL DETAILS... - At 6:45 PM CDT Saturday the stage was 9.6 feet. - Bankfull stage is 9.0 feet. - Forecast...The river is expected to rise above flood stage just after midnight tonight and continue rising to a crest of 12.5 feet tomorrow morning. The river is expected to fall below flood stage late tomorrow evening. - Flood stage is 12.0 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. 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 Sunday morning at 1145 AM CDT.

Flood Warning issued May 9 at 7:44PM CDT until May 12 at 1:00PM CDT by NWS New Orleans LA

Effective: Sat May 9, 2026, 7:44 PM
Expires: Sun May 10, 2026, 11:45 AM

...The National Weather Service in New Orleans LA has issued a Flood Warning for the following rivers in Mississippi... Wolf River Above Gulfport affecting Harrison County. For the Wolf River...including Landon, Gulfport...Minor flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Wolf River above Gulfport. * WHEN...From late tonight to early Tuesday afternoon. * IMPACTS...At 9.0 feet, Bells Ferry Road will be impassable with deep water on the east bridge approach. * ADDITIONAL DETAILS... - At 6:45 PM CDT Saturday the stage was 5.7 feet. - Bankfull stage is 7.0 feet. - Forecast...The river is expected to rise above flood stage late tonight and continue rising to a crest of 9.5 feet early Monday morning. The river is expected to fall below flood stage Tuesday morning. - Flood stage is 8.0 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. 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 Sunday morning at 1145 AM CDT.

Dense Fog Advisory issued May 10 at 3:39AM CDT until May 10 at 9:00AM CDT by NWS New Orleans LA

Effective: Sun May 10, 2026, 3:39 AM
Expires: Sun May 10, 2026, 9:00 AM

* WHAT...Visibility less than a quarter of a mile in dense fog. * WHERE...Portions of southeast Louisiana and southern Mississippi. * WHEN...Until 9 AM CDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous.

If driving, slow down, use your low beam headlights, and leave plenty of distance ahead of you.

Flood Warning issued May 9 at 7:34PM CDT until May 18 at 1:00AM CDT by NWS New Orleans LA

Effective: Sat May 9, 2026, 7:34 PM
Expires: Sun May 10, 2026, 11:45 AM

...The Flood Warning continues for the following rivers in Louisiana...Mississippi... Pearl River Near Pearl River affecting Pearl River and Hancock Counties and St. Tammany Parish Pearl River Near Bogalusa affecting Washington Parish and Pearl River County. For the Lower Pearl River...including Bogalusa, Pearl River...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Pearl River near Pearl River. * WHEN...Until Monday, May 18. * IMPACTS...At 15.5 feet, Secondary roads to the river and throughout Honey Island Swamp are 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 7:00 PM CDT Saturday the stage was 14.6 feet. - Bankfull stage is 12.0 feet. - Forecast...The river is expected to rise to a crest of 15.5 feet early Tuesday afternoon. The river is expected to fall below flood stage Sunday, May 17. - 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. 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 Sunday morning at 1145 AM CDT.

Dense Fog Advisory issued May 10 at 1:13AM CDT until May 10 at 9:00AM CDT by NWS Mobile AL

Effective: Sun May 10, 2026, 1:13 AM
Expires: Sun May 10, 2026, 9:00 AM

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of south central and southwest Alabama, northwest Florida, and southeast Mississippi. * WHEN...Until 9 AM CDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous.

If driving, slow down, use your headlights, and leave plenty of distance ahead of you.