GMZ400-290900-
309 PM CDT Wed Oct 28 2026
.Synopsis for Lower Atchafalaya River LA to High Island TX out
60 NM including Sabine and Calcasieu Lakes and Vermilion and Cote
Blanche Bays...
Dry conditions with easterly flow around 10-15 kt is expected for
much of the next few days, under the influence of high pressure over
the southeastern US. Winds may increase closer to 20 kt for the
offshore waters starting Thursday afternoon, particularly further
east. Small craft advisories may be needed for these areas in future
forecast packages. Rain chances return to the forecast Friday into
Saturday as deeper moisture moves into the area.
$$
GMZ455-290900- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 309 PM CDT Wed Oct 28 2026 TONIGHT East winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: Southeast 1 foot at 3 seconds. THURSDAY Northeast winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: Northeast 1 foot at 3 seconds. THURSDAY NIGHT East winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: East 1 foot at 2 seconds. FRIDAY East winds 10 to 15 knots. Seas 1 to 2 feet. Wave Detail: East 2 feet at 3 seconds. FRIDAY NIGHT East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 3 seconds. A chance of showers after midnight. SATURDAY East winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas 1 to 2 feet. Wave Detail: East 2 feet at 3 seconds. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. SATURDAY NIGHT East winds 5 to 10 knots. Seas 1 to 2 feet in the evening, then 1 foot or less. A slight chance of thunderstorms. A chance of showers, mainly in the evening. SUNDAY Northeast winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers. A slight chance of thunderstorms in the afternoon. SUNDAY NIGHT Northeast winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers. MONDAY East winds around 10 knots. Seas 1 foot or less. A slight chance of showers in the morning. MONDAY NIGHT Southeast winds 10 to 15 knots. Seas around 2 feet. A slight chance of showers. A slight chance of thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$
GMZ455-290900- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 309 PM CDT Wed Oct 28 2026 TONIGHT East winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: Southeast 1 foot at 3 seconds. THURSDAY Northeast winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: Northeast 1 foot at 3 seconds. THURSDAY NIGHT East winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: East 1 foot at 2 seconds. FRIDAY East winds 10 to 15 knots. Seas 1 to 2 feet. Wave Detail: East 2 feet at 3 seconds. FRIDAY NIGHT East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 3 seconds. A chance of showers after midnight. SATURDAY East winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas 1 to 2 feet. Wave Detail: East 2 feet at 3 seconds. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. SATURDAY NIGHT East winds 5 to 10 knots. Seas 1 to 2 feet in the evening, then 1 foot or less. A slight chance of thunderstorms. A chance of showers, mainly in the evening. SUNDAY Northeast winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers. A slight chance of thunderstorms in the afternoon. SUNDAY NIGHT Northeast winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers. MONDAY East winds around 10 knots. Seas 1 foot or less. A slight chance of showers in the morning. MONDAY NIGHT Southeast winds 10 to 15 knots. Seas around 2 feet. A slight chance of showers. A slight chance of thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$