GMZ500-GMZ501-060800-
 201 PM CDT Wed Aug 5 2026
 
 
 .SYNOPSIS FOR PASCAGOULA TO ATCHAFALAYA RIVER OUT 60 NM...
 
 Surface high-pressure axis over the southern Gulf is being absorbed
 by the Bermuda ridge. The low-level pressure gradient may tighten
 slightly Friday into the weekend as surface high pressure becomes
 better established over the eastern Gulf while lower pressures
 persist over the southern Plains and lower Mississippi Valley. This
 will alter flow to more of a south to southeast direction Thursday
 and then southeasterly to easterly through the weekend. Speeds
 should generally remain around 5 to 10 knots, although periods of
 10 to 15 knots will be possible over the outer waters as an easterly
 fetch becomes better established late in the week. Seas will
 generally remain 1 to 2 feet through Thursday.
 
 Increasing Gulf moisture will also bring a gradual increase in
 showers and thunderstorms beginning Thursday and continuing through
 the weekend and into early next week. Convection will be most
 common, in typical summertime fashion, over the coastal waters
 during the overnight and morning hours. Then activity shifts inland
 with the developing sea breeze during the afternoons.
 
 $$



   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.    $$