Station Name: Southwest Pass Entrance W, LA (256)
Station Type: Buoy
Data Source: National Data Buoy Center

Elevation Above Sea Level: 0 feet

Nearest Address:
Offshore
Plaquemines Parish, LA 70091
Plaquemines County

GPS Coordinates: 28.988, -89.649

Nearby Water Temperatures

Extreme Cold Watch issued January 28 at 11:00PM CST until February 1 at 10:00AM CST by NWS New Orleans LA

Effective: Wed January 28, 2026, 11:00 PM
Expires: Thu January 29, 2026, 1:00 PM

* WHAT...Dangerously cold wind chills as low as 5 above possible. * WHERE...Portions of southeast Louisiana and southern Mississippi. * WHEN...From late Friday night through Sunday morning. * IMPACTS...Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. An extended period of freezing temperatures could cause ruptured water pipes.

Dress in layers including a hat, face mask, and gloves if you must go outside.

Freeze Warning issued January 29 at 4:16AM CST until January 29 at 8:00AM CST by NWS New Orleans LA

Effective: Thu January 29, 2026, 4:16 AM
Expires: Thu January 29, 2026, 6:30 PM

* WHAT...For the Freeze Warning, sub-freezing temperatures as low as 30. For the Extreme Cold Watch, dangerously cold wind chills as low as 14 possible. * WHERE...Central Plaquemines, Coastal Jefferson Parish, Lower Jefferson, Lower Lafourche, Lower Terrebonne, Upper Jefferson, Upper Plaquemines, Upper St. Bernard, and Western Orleans Parishes. * WHEN...For the Freeze Warning, until 8 AM CST this morning. For the Extreme Cold Watch, from late Friday night through Sunday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Dress in layers including a hat, face mask, and gloves if you must go outside. Take steps now to protect tender plants from the cold. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly.

Extreme Cold Watch issued January 29 at 4:16AM CST until February 1 at 10:00AM CST by NWS New Orleans LA

Effective: Thu January 29, 2026, 4:16 AM
Expires: Thu January 29, 2026, 6:30 PM

* WHAT...For the Freeze Warning, sub-freezing temperatures as low as 30. For the Extreme Cold Watch, dangerously cold wind chills as low as 14 possible. * WHERE...Central Plaquemines, Coastal Jefferson Parish, Lower Jefferson, Lower Lafourche, Lower Terrebonne, Upper Jefferson, Upper Plaquemines, Upper St. Bernard, and Western Orleans Parishes. * WHEN...For the Freeze Warning, until 8 AM CST this morning. For the Extreme Cold Watch, from late Friday night through Sunday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Dress in layers including a hat, face mask, and gloves if you must go outside. Take steps now to protect tender plants from the cold. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly.

Extreme Cold Watch issued January 29 at 4:16AM CST until February 1 at 10:00AM CST by NWS New Orleans LA

Effective: Thu January 29, 2026, 4:16 AM
Expires: Thu January 29, 2026, 6:30 PM

* WHAT...Dangerously cold wind chills as low as 9 above possible. * WHERE...Portions of southeast Louisiana and southern Mississippi. * WHEN...From late Friday night through Sunday morning. * IMPACTS...Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. An extended period of freezing temperatures could cause ruptured water pipes.

Dress in layers including a hat, face mask, and gloves if you must go outside.