GMZ500-GMZ501-301300-
701 PM CDT Mon Sep 29 2025
.SYNOPSIS FOR PASCAGOULA TO ATCHAFALAYA RIVER OUT 60 NM...
Offshore flow will continue as weak low pressure slowly works
towards the southwestern Gulf. This will continue to produce light
to moderate offshore flow over the next few days. Overall, not
anticipating a lot of impacts through midweek, but a few showers and
thunderstorms may begin to develop over the coastal waters Tuesday
and Wednesday. Winds, seas/waves, and rain chances will begin to
increase late in the week. Headlines will likely be needed and could
be needed as early as Thursday night. With broad high pressure
centered across the northeast and mid Atlantic and wedging southwest
towards the Gulf coast and weak low pressure over the Bay of
Campeche the pressure gradient will tighten and strong easterly
winds could set up across the northern Gulf for multiple days.
$$
GMZ550-552-301300- Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA out 20 nm- Coastal waters from the Southwest Pass of the Mississippi River to Port Fourchon Louisiana out 20 NM- 701 PM CDT Mon Sep 29 2025 TONIGHT East winds 5 to 10 knots, becoming northeast after midnight, then becoming north late. Seas 1 to 2 feet this evening, then 1 foot or less. TUESDAY North winds 5 to 10 knots. Seas 1 to 2 feet. TUESDAY NIGHT North winds 5 to 10 knots. Seas 1 foot or less. WEDNESDAY North winds 5 to 10 knots, becoming northeast in the afternoon. Seas 1 foot or less. A slight chance of showers and thunderstorms. WEDNESDAY NIGHT East winds 5 to 10 knots. Seas 1 foot or less, then 1 to 2 feet after midnight. A slight chance of showers and thunderstorms. THURSDAY East winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. THURSDAY NIGHT East winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 4 feet, occasionally to 5 feet. Showers likely with a chance of thunderstorms. FRIDAY East winds 20 to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. A chance of thunderstorms. Showers likely. FRIDAY NIGHT East winds 20 to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. A chance of thunderstorms. Showers likely, mainly in the evening. SATURDAY East winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Showers likely with a chance of thunderstorms. SATURDAY NIGHT East winds 20 to 25 knots, diminishing to 15 to 20 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet. A slight chance of thunderstorms. Showers likely, mainly in the evening. Winds and seas higher in and near thunderstorms. $$
GMZ550-552-301300- 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- 701 PM CDT Mon Sep 29 2025 TONIGHT East winds 5 to 10 knots, becoming northeast after midnight, then becoming north late. Seas 1 to 2 feet this evening, then 1 foot or less. TUESDAY North winds 5 to 10 knots. Seas 1 to 2 feet. TUESDAY NIGHT North winds 5 to 10 knots. Seas 1 foot or less. WEDNESDAY North winds 5 to 10 knots, becoming northeast in the afternoon. Seas 1 foot or less. A slight chance of showers and thunderstorms. WEDNESDAY NIGHT East winds 5 to 10 knots. Seas 1 foot or less, then 1 to 2 feet after midnight. A slight chance of showers and thunderstorms. THURSDAY East winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. THURSDAY NIGHT East winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 4 feet, occasionally to 5 feet. Showers likely with a chance of thunderstorms. FRIDAY East winds 20 to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. A chance of thunderstorms. Showers likely. FRIDAY NIGHT East winds 20 to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. A chance of thunderstorms. Showers likely, mainly in the evening. SATURDAY East winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Showers likely with a chance of thunderstorms. SATURDAY NIGHT East winds 20 to 25 knots, diminishing to 15 to 20 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet. A slight chance of thunderstorms. Showers likely, mainly in the evening. Winds and seas higher in and near thunderstorms. $$