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

Elevation Above Sea Level: 0 feet / 0 meters

Nearest Address:
Offshore
Pass Christian, MS
Harris County

GPS Coordinates: 30.23825405, -89.24281939

Nearby Water Temperatures

Tornado Watch issued October 26 at 7:21AM CDT until October 26 at 12:00PM CDT by NWS New Orleans LA

Effective: Sun October 26, 2025, 7:21 AM
Expires: Sun October 26, 2025, 12:00 PM

TORNADO WATCH 633 REMAINS VALID UNTIL NOON CDT TODAY FOR THE FOLLOWING AREAS IN LOUISIANA THIS WATCH INCLUDES 9 PARISHES IN SOUTHEAST LOUISIANA JEFFERSON LAFOURCHE ORLEANS PLAQUEMINES ST. BERNARD ST. CHARLES ST. TAMMANY TERREBONNE WASHINGTON IN MISSISSIPPI THIS WATCH INCLUDES 5 COUNTIES IN SOUTHERN MISSISSIPPI HANCOCK HARRISON JACKSON PEARL RIVER WALTHALL THIS INCLUDES THE CITIES OF BAY ST. LOUIS, BAYOU CANE, BELLE CHASSE, BOGALUSA, BURAS, CHALMETTE, COVINGTON, CROSSROADS, CUT OFF, DESTREHAN, DEXTER, DIAMONDHEAD, EAST NEW ORLEANS, ENON, FRANKLINTON, GALLIANO, GAUTIER, GULFPORT, HOUMA, KENNER, LACOMBE, LAROSE, MANDEVILLE, MCNEIL, METAIRIE, MOSS POINT, NEW ORLEANS, NORCO, OCEAN SPRINGS, PASCAGOULA, PICAYUNE, POINTE A LA HACHE, PORT SULPHUR, RACELAND, SALEM, SLIDELL, ST. MARTIN, THIBODAUX, TYLERTOWN, VIOLET, AND WAVELAND.

Special Weather Statement issued October 26 at 7:21AM CDT by NWS New Orleans LA

Effective: Sun October 26, 2025, 7:21 AM
Expires: Sun October 26, 2025, 7:45 AM

At 721 AM CDT, Doppler radar was tracking a strong thunderstorm capable of producing funnel clouds over Timberlane, moving northeast at 35 mph. HAZARD...Funnel clouds and winds in excess of 40 mph. SOURCE...Radar indicated. IMPACT...If a funnel cloud briefly touches down, minor damage to outdoor objects is possible. Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... New Orleans, Chalmette, Marrero, Harvey, Timberlane, Belle Chasse, Gretna, Westwego, Woodmere, Violet, Terrytown, Meraux, Estelle, Arabi, and Poydras. This includes the following Interstates... Interstate 10 in Louisiana between mile markers 235 and 246. Interstate 510 between mile markers 2 and 3.

If outdoors, consider seeking shelter inside a building. Conditions are favorable for the development of weak, brief funnel clouds. This type of funnel cloud is harmless, but on rare occasions they can briefly touch down, producing wind gusts over 50 mph. If a funnel cloud is spotted move indoors or to safe harbor and report your sighting to the National Weather Service. A Tornado Watch remains in effect until noon CDT for southeastern Louisiana.

Flash Flood Warning issued October 26 at 7:07AM CDT until October 26 at 10:15AM CDT by NWS New Orleans LA

Effective: Sun October 26, 2025, 7:07 AM
Expires: Sun October 26, 2025, 10:15 AM

FFWLIX The National Weather Service in New Orleans has issued a * Flash Flood Warning for... Southwestern Orleans Parish in southeastern Louisiana... West Central St. Bernard Parish in southeastern Louisiana... * Until 1015 AM CDT. * At 707 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.5 and 1 inch of rain has fallen. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... New Orleans, Chalmette, Jefferson, Gretna, Arabi and Lakefront Airport. This includes the following Interstates... Interstate 10 in Louisiana between mile markers 231 and 245. Interstate 610 between mile markers 1 and 4.

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.

Flood Warning issued October 26 at 6:59AM CDT until October 26 at 10:00AM CDT by NWS New Orleans LA

Effective: Sun October 26, 2025, 6:59 AM
Expires: Sun October 26, 2025, 10:00 AM

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of southeast Louisiana, including the following parishes, Orleans and St. Bernard. * WHEN...Until 1000 AM CDT. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. * ADDITIONAL DETAILS... - At 659 AM CDT, Doppler radar indicated heavy rain due to thunderstorms. Flooding is ongoing or expected to begin shortly in the warned area. Between 0.5 and 1 inch of rain has fallen. - Additional rainfall amounts of 1 to 2 inches are possible in the warned area. - Some locations that will experience flooding include... New Orleans, Chalmette, Marrero, Jefferson, Gretna, Westwego, Arabi and Lakefront Airport. - 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.

Flood Advisory issued October 26 at 6:52AM CDT until October 26 at 10:00AM CDT by NWS New Orleans LA

Effective: Sun October 26, 2025, 6:52 AM
Expires: Sun October 26, 2025, 10:00 AM

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of southeast Louisiana, including the following parishes, Jefferson, Orleans, Plaquemines and St. Bernard. * WHEN...Until 1000 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 652 AM CDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 0.5 and 1 inch of rain has 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... New Orleans, Harvey, Timberlane, Marrero, Chalmette, Belle Chasse, Metairie, Avondale, East New Orleans, Jefferson, Gretna, Harahan, Westwego, Terrytown, Arabi, Woodmere, Bridge City, Estelle, Elmwood and Meraux. - 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.

Tornado Watch issued October 26 at 5:23AM CDT until October 26 at 12:00PM CDT by NWS Mobile AL

Effective: Sun October 26, 2025, 5:23 AM
Expires: Sun October 26, 2025, 12:00 PM

THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 633 IN EFFECT UNTIL NOON CDT TODAY FOR THE FOLLOWING AREAS IN MISSISSIPPI THIS WATCH INCLUDES 1 COUNTY IN SOUTHEAST MISSISSIPPI STONE THIS INCLUDES THE CITIES OF WIGGINS.

Special Weather Statement issued October 26 at 7:11AM CDT by NWS New Orleans LA

Effective: Sun October 26, 2025, 7:11 AM
Expires: Sun October 26, 2025, 7:45 AM

At 711 AM CDT, Doppler radar was tracking a strong thunderstorm capable of producing funnel clouds over Covington, moving northeast at 15 mph. HAZARD...Funnel clouds and winds in excess of 40 mph. SOURCE...Radar indicated. IMPACT...If a funnel cloud briefly touches down, minor damage to outdoor objects is possible. Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Covington and Abita Springs. This includes Interstate 12 between mile markers 54 and 65.

If outdoors, consider seeking shelter inside a building. Conditions are favorable for the development of weak, brief funnel clouds. This type of funnel cloud is harmless, but on rare occasions they can briefly touch down, producing wind gusts over 50 mph. If a funnel cloud is spotted move indoors or to safe harbor and report your sighting to the National Weather Service. A Tornado Watch remains in effect until noon CDT for southeastern Louisiana.

Flash Flood Warning issued October 26 at 7:01AM CDT until October 26 at 10:15AM CDT by NWS New Orleans LA

Effective: Sun October 26, 2025, 7:01 AM
Expires: Sun October 26, 2025, 10:15 AM

FFWLIX The National Weather Service in New Orleans has issued a * Flash Flood Warning for... North Central Jefferson Parish in southeastern Louisiana... Southwestern Orleans Parish in southeastern Louisiana... * Until 1015 AM CDT. * At 701 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.5 and 1 inch of rain has fallen. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... New Orleans, Harvey, Timberlane, Marrero, Gretna, Westwego, Terrytown, Woodmere and Estelle.

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