GMZ400-190700-
1210 PM CST Tue Nov 18 2025
.Synopsis for Lower Atchafalaya River LA to High Island TX out
60 NM including Sabine and Calcasieu Lakes and Vermilion and Cote
Blanche Bays...
A series of waves moving north of the region will bring about
a prolonged period of variable pressure fields and onshore winds
at a breezy to occasionally moderate flow.
Late in the work week, a deeply amplified weather system will be
approaching from the west bringing about stronger onshore winds
and periods of showers and thunderstorms. Winds and seas will
gradually increase from early Thursday into Friday.
$$
GMZ455-190700- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 1210 PM CST Tue Nov 18 2025 TONIGHT Southeast winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: Southeast 1 foot at 2 seconds and south 1 foot at 5 seconds. WEDNESDAY Southeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 4 seconds. WEDNESDAY NIGHT Southeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 3 seconds. THURSDAY Southeast winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet in the afternoon. Wave Detail: Southeast 1 foot at 2 seconds. THURSDAY NIGHT Southeast winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds and southeast 1 foot at 3 seconds. A chance of showers. A slight chance of thunderstorms after midnight. FRIDAY South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms. FRIDAY NIGHT Southwest winds around 5 knots. Seas 1 to 2 feet. A slight chance of showers. A slight chance of thunderstorms after midnight. SATURDAY Southwest winds around 5 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms in the morning. SATURDAY NIGHT West winds around 5 knots, becoming north after midnight. Seas 1 foot or less. SUNDAY Northeast winds 5 to 10 knots, becoming east in the afternoon. Seas 1 foot or less. A slight chance of showers in the afternoon. SUNDAY NIGHT Southeast winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight. A slight chance of showers. Winds and seas higher in and near thunderstorms. $$
GMZ455-190700- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 1210 PM CST Tue Nov 18 2025 TONIGHT Southeast winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: Southeast 1 foot at 2 seconds and south 1 foot at 5 seconds. WEDNESDAY Southeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 4 seconds. WEDNESDAY NIGHT Southeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 3 seconds. THURSDAY Southeast winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet in the afternoon. Wave Detail: Southeast 1 foot at 2 seconds. THURSDAY NIGHT Southeast winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds and southeast 1 foot at 3 seconds. A chance of showers. A slight chance of thunderstorms after midnight. FRIDAY South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms. FRIDAY NIGHT Southwest winds around 5 knots. Seas 1 to 2 feet. A slight chance of showers. A slight chance of thunderstorms after midnight. SATURDAY Southwest winds around 5 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms in the morning. SATURDAY NIGHT West winds around 5 knots, becoming north after midnight. Seas 1 foot or less. SUNDAY Northeast winds 5 to 10 knots, becoming east in the afternoon. Seas 1 foot or less. A slight chance of showers in the afternoon. SUNDAY NIGHT Southeast winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight. A slight chance of showers. Winds and seas higher in and near thunderstorms. $$