GMZ400-170700-
1214 PM CST Sun Nov 16 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...
High pressure centered over the northeastern gulf will ridge into
the coastal waters into early week. This will keep mainly light
onshore winds and low seas. Onshore flow will increase somewhat by
the middle part of next week as low pressure forms over the
Southern Plains. The next chance for any significant shower
activity will be Wednesday into Thursday ahead of an approaching
frontal boundary.
$$
GMZ475-170700- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 1214 PM CST Sun Nov 16 2025 TONIGHT Southeast winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 4 seconds and southeast 1 foot at 6 seconds. MONDAY East winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 5 seconds. MONDAY NIGHT Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds and southeast 1 foot at 6 seconds. TUESDAY Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds. TUESDAY NIGHT Southeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. WEDNESDAY Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. WEDNESDAY NIGHT Southeast winds 15 to 20 knots. Seas 2 to 4 feet. A slight chance of showers. THURSDAY Southeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. A slight chance of showers in the morning, then a chance of showers in the afternoon. THURSDAY NIGHT South winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. A chance of showers with a slight chance of thunderstorms. FRIDAY South winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 4 to 6 feet, occasionally to 8 feet. A slight chance of thunderstorms. Showers likely, mainly in the morning. FRIDAY NIGHT South winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. A chance of showers with a slight chance of thunderstorms. Winds and seas higher in and near thunderstorms. $$
GMZ475-170700- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 1214 PM CST Sun Nov 16 2025 TONIGHT Southeast winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 4 seconds and southeast 1 foot at 6 seconds. MONDAY East winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 5 seconds. MONDAY NIGHT Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds and southeast 1 foot at 6 seconds. TUESDAY Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds. TUESDAY NIGHT Southeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. WEDNESDAY Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. WEDNESDAY NIGHT Southeast winds 15 to 20 knots. Seas 2 to 4 feet. A slight chance of showers. THURSDAY Southeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. A slight chance of showers in the morning, then a chance of showers in the afternoon. THURSDAY NIGHT South winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. A chance of showers with a slight chance of thunderstorms. FRIDAY South winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 4 to 6 feet, occasionally to 8 feet. A slight chance of thunderstorms. Showers likely, mainly in the morning. FRIDAY NIGHT South winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. A chance of showers with a slight chance of thunderstorms. Winds and seas higher in and near thunderstorms. $$