GMZ400-272100-
310 AM CDT Sun Sep 27 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...
High pressure over the southeastern U.S. will maintain east to brisk
southeast winds across the northern gulf for the next several days
with seas remaining consistently between 1-2 feet over the coastal
waters. By mid week, we will be looking at a pattern change, with
isolated to scattered daily showers. Winds and seas will increase to
near Small Craft Exercise Caution criteria.
$$
GMZ472-272100- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 310 AM CDT Sun Sep 27 2026 TODAY East winds around 5 knots. Seas around 2 feet this morning, then 1 foot or less. Wave Detail: Southeast 2 feet at 5 seconds, becoming southeast 1 foot at 5 seconds. TONIGHT Southeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 5 seconds. MONDAY East winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 4 seconds. MONDAY NIGHT Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. TUESDAY Southeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. A slight chance of showers in the afternoon. TUESDAY NIGHT Southeast winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 4 feet. Wave Detail: Southeast 4 feet at 5 seconds. WEDNESDAY Southeast winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. A slight chance of thunderstorms. A slight chance of showers in the morning, then a chance of showers in the afternoon. WEDNESDAY NIGHT Southeast winds 20 to 25 knots. Seas 5 to 6 feet, occasionally to 8 feet, building to 6 to 8 feet, occasionally to 10 feet after midnight. A chance of showers with a slight chance of thunderstorms. THURSDAY Southeast winds around 20 knots. Seas 6 to 8 feet, occasionally to 10 feet. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. THURSDAY NIGHT Southeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. A chance of showers with a slight chance of thunderstorms. Winds and seas higher in and near thunderstorms. $$
GMZ472-272100- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 310 AM CDT Sun Sep 27 2026 TODAY East winds around 5 knots. Seas around 2 feet this morning, then 1 foot or less. Wave Detail: Southeast 2 feet at 5 seconds, becoming southeast 1 foot at 5 seconds. TONIGHT Southeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 5 seconds. MONDAY East winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 4 seconds. MONDAY NIGHT Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. TUESDAY Southeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. A slight chance of showers in the afternoon. TUESDAY NIGHT Southeast winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 4 feet. Wave Detail: Southeast 4 feet at 5 seconds. WEDNESDAY Southeast winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. A slight chance of thunderstorms. A slight chance of showers in the morning, then a chance of showers in the afternoon. WEDNESDAY NIGHT Southeast winds 20 to 25 knots. Seas 5 to 6 feet, occasionally to 8 feet, building to 6 to 8 feet, occasionally to 10 feet after midnight. A chance of showers with a slight chance of thunderstorms. THURSDAY Southeast winds around 20 knots. Seas 6 to 8 feet, occasionally to 10 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 Southeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. A chance of showers with a slight chance of thunderstorms. Winds and seas higher in and near thunderstorms. $$