GMZ500-GMZ501-181100-
 537 PM CDT Wed Jun 17 2026
 
 
 .SYNOPSIS FOR PASCAGOULA TO ATCHAFALAYA RIVER OUT 60 NM...
 
 Tropical Storm Arthur will make landfall near the border of
 Louisiana and Texas tonight. Strong southerly winds of 20 to
 25 knots with gusts of 30 knots will remain in place over the
 coastal waters through tonight and into tomorrow and seas of 6 to
 9 feet can be expected in the open Gulf waters. Small craft
 advisories remain in effect due to these conditions. Moving into the
 weekend and early next week, a broad area of high pressure will
 build back over the eastern Gulf waters. Persistent onshore winds of
 10 to 15 knots and seas of 2 to 4 feet can be expected from Friday
 through early next week.
 
 $$



   GMZ550-552-162300-  Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA  out 20 nm-  Coastal waters from the Southwest Pass of the Mississippi River to  Port Fourchon Louisiana out 20 NM-  536 AM CDT Thu Apr 16 2026    TODAY  Southeast winds 5 to 10 knots. Seas around 2 feet. Wave  Detail: Southeast 2 feet at 7 seconds.  TONIGHT  South winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail:  Southeast 2 feet at 7 seconds.  FRIDAY  Southeast winds 5 to 10 knots. Seas 1 to 2 feet. Wave  Detail: Southeast 2 feet at 6 seconds.  FRIDAY NIGHT  South winds 10 to 15 knots. Seas 2 to 3 feet. Wave  Detail: Southeast 2 feet at 6 seconds.  SATURDAY  South winds 5 to 10 knots. Seas 1 to 2 feet. Wave  Detail: Southeast 2 feet at 5 seconds.  SATURDAY NIGHT  South winds 5 to 10 knots, becoming west 10 to  15 knots after midnight. Seas 1 to 2 feet. Wave Detail: Southeast  1 foot at 5 seconds. A slight chance of showers and thunderstorms  after midnight.  SUNDAY  Northeast winds 20 to 25 knots. Seas 3 to 5 feet,  occasionally to 6 feet. Wave Detail: North 4 feet at 4 seconds. A  slight chance of showers and thunderstorms in the morning.  SUNDAY NIGHT  Northeast winds 20 to 25 knots. Seas 3 to 5 feet,  occasionally to 6 feet. Wave Detail: East 5 feet at 5 seconds.  MONDAY  East winds 20 to 25 knots. Seas 3 to 5 feet, occasionally  to 6 feet. Wave Detail: East 5 feet at 6 seconds.  MONDAY NIGHT  East winds 15 to 20 knots. Seas 2 to 4 feet,  occasionally to 5 feet. Wave Detail: East 4 feet at 6 seconds.    Winds and seas higher in and near thunderstorms.    $$