Coastal Waters from Stake Island LA to Southwest Pass of the Mississippi River from 20 to 60 nm GMZ575

 
 GMZ500-GMZ501-191100-
 537 PM CDT Sat Apr 18 2026
 
 
 .SYNOPSIS FOR PASCAGOULA TO ATCHAFALAYA RIVER OUT 60 NM...
 
 High pressure from the gulf into the Atlantic will continue to
 produce a light to moderate easterly to southeasterly fetch at 10 to
 15 kt over the local waters this afternoon. A cold front is expected
 to move through the region bringing northerly winds around 25kt
 Sunday into early next week. Small Craft Advisories have been posted
 for these conditions. Northeast winds will shift to east into
 Tuesday but remain elevated. Wednesday, winds will shift to a more
 SE direction and ease a bit to around 10-15 kt, possibly remaining
 that way for the remainder of the week.
 
 $$



 
 GMZ575-191100-
 Coastal Waters from Stake Island LA to Southwest Pass of the
 Mississippi River from 20 to 60 nm-
 537 PM CDT Sat Apr 18 2026
 
 SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM CDT SUNDAY THROUGH LATE
 MONDAY NIGHT
 

 TONIGHT
 South winds around 5 knots, becoming west after midnight,
 then becoming northwest 10 to 15 knots with gusts up to 20 knots
 late. Seas 1 foot or less, then around 2 feet after midnight. Wave
 Detail: South 1 foot at 6 seconds, becoming west 1 foot at 4 seconds
 and southeast 1 foot at 5 seconds. A slight chance of showers and
 thunderstorms late.

 SUNDAY
 North winds 20 to 25 knots with gusts up to 30 knots. Seas
 4 to 6 feet, occasionally to 8 feet, building to 7 to 8 feet,
 occasionally to 10 feet in the afternoon. Wave Detail: Southeast
 5 feet at 5 seconds and north 3 feet at 4 seconds, becoming north
 7 feet at 7 seconds. A chance of showers with a slight chance of
 thunderstorms in the morning.

 SUNDAY NIGHT
 Northeast winds around 20 knots with gusts up to
 30 knots. Seas 6 to 7 feet, occasionally to 9 feet. Wave Detail:
 Northeast 7 feet at 7 seconds.

 MONDAY
 Northeast winds 15 to 20 knots with gusts up to 30 knots.
 Seas 6 to 7 feet, occasionally to 9 feet. Wave Detail: Northeast
 7 feet at 7 seconds.

 MONDAY NIGHT
 East winds 15 to 20 knots with gusts up to 25 knots.
 Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast
 5 feet at 7 seconds and northwest 2 feet at 5 seconds.

 TUESDAY
 East winds 15 to 20 knots with gusts up to 25 knots. Seas
 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at
 8 seconds and northwest 1 foot at 5 seconds.

 TUESDAY NIGHT
 East winds 15 to 20 knots. Seas 5 to 6 feet,
 occasionally to 8 feet. Wave Detail: East 6 feet at 8 seconds.

 WEDNESDAY
 Southeast winds 15 to 20 knots. Seas around 5 feet,
 occasionally to 6 feet. Wave Detail: Southeast 5 feet at 8 seconds.
 A slight chance of thunderstorms. A chance of showers, mainly in the
 morning.

 WEDNESDAY NIGHT
 Southeast winds around 15 knots. Seas 5 to
 6 feet, occasionally to 8 feet. Wave Detail: Southeast 6 feet at
 8 seconds.

 THURSDAY
 Southeast winds around 15 knots. Seas 4 to 5 feet,
 occasionally to 6 feet. Wave Detail: Southeast 5 feet at 8 seconds.

 THURSDAY NIGHT
 Southeast winds around 15 knots. Seas around
 4 feet, occasionally to 5 feet.
 
 Winds and seas higher in and near thunderstorms.
 
 $$