GMZ500-GMZ501-212300-
537 AM CDT Mon Sep 21 2026
.SYNOPSIS FOR PASCAGOULA TO ATCHAFALAYA RIVER OUT 60 NM...
Broad surface high remains close to the northern Gulf Coast,
maintaining a weak pressure gradient and generally benign marine
conditions. Winds will remain light and somewhat variable nearshore,
becoming more consistently southerly during the afternoons. Storm
coverage will increase today and any thunderstorm could briefly
produce locally higher winds and seas along with frequent lightning.
A more persistent northeast to east flow should develop Wednesday
through the latter part of the week but remain 15 knots or less.
$$
GMZ550-552-162300- Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA out 20 nm- Coastal waters from the Southwest Pass of the Mississippi River to Port Fourchon Louisiana out 20 NM- 536 AM CDT Thu Apr 16 2026 TODAY Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 7 seconds. TONIGHT South winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: Southeast 2 feet at 7 seconds. FRIDAY Southeast winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. FRIDAY NIGHT South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 6 seconds. SATURDAY South winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. SATURDAY NIGHT South winds 5 to 10 knots, becoming west 10 to 15 knots after midnight. Seas 1 to 2 feet. Wave Detail: Southeast 1 foot at 5 seconds. A slight chance of showers and thunderstorms after midnight. SUNDAY Northeast winds 20 to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: North 4 feet at 4 seconds. A slight chance of showers and thunderstorms in the morning. SUNDAY NIGHT Northeast winds 20 to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 5 seconds. MONDAY East winds 20 to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 6 seconds. MONDAY NIGHT East winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 6 seconds. Winds and seas higher in and near thunderstorms. $$
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. $$