GMZ400-172100-
308 AM CDT Fri Jul 17 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...
Light southerly flow and low seas are expected to continue
through the forecast period with weak surface high pressure centered
over the northeastern Gulf. Mainly dry conditions are expected to
prevail as high pressure builds overhead. Winds and seas will be
locally higher near thunderstorms.
$$
GMZ455-172100- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 308 AM CDT Fri Jul 17 2026 TODAY Southwest winds around 5 knots early this morning, becoming light and variable, then becoming southwest around 5 knots this afternoon. Seas 1 foot or less. Wave Detail: South 1 foot at 4 seconds. TONIGHT West winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds. SATURDAY Northwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds. SATURDAY NIGHT West winds around 10 knots. Seas 1 foot or less, then around 2 feet after midnight. Wave Detail: West 1 foot at 3 seconds, becoming west 2 feet at 3 seconds. SUNDAY Northwest winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: West 1 foot at 3 seconds. SUNDAY NIGHT West winds 10 to 15 knots. Seas 1 foot or less, then around 2 feet after midnight. Wave Detail: West 1 foot at 3 seconds, becoming west 2 feet at 3 seconds. MONDAY Northwest winds 10 to 15 knots, becoming west 5 to 10 knots in the afternoon. Seas 1 to 2 feet. MONDAY NIGHT West winds 10 to 15 knots. Seas 1 foot or less, then around 2 feet after midnight. TUESDAY Northwest winds 5 to 10 knots. Seas around 2 feet. TUESDAY NIGHT West winds around 10 knots. Seas around 2 feet. A slight chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$
GMZ455-172100- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 308 AM CDT Fri Jul 17 2026 TODAY Southwest winds around 5 knots early this morning, becoming light and variable, then becoming southwest around 5 knots this afternoon. Seas 1 foot or less. Wave Detail: South 1 foot at 4 seconds. TONIGHT West winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds. SATURDAY Northwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds. SATURDAY NIGHT West winds around 10 knots. Seas 1 foot or less, then around 2 feet after midnight. Wave Detail: West 1 foot at 3 seconds, becoming west 2 feet at 3 seconds. SUNDAY Northwest winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: West 1 foot at 3 seconds. SUNDAY NIGHT West winds 10 to 15 knots. Seas 1 foot or less, then around 2 feet after midnight. Wave Detail: West 1 foot at 3 seconds, becoming west 2 feet at 3 seconds. MONDAY Northwest winds 10 to 15 knots, becoming west 5 to 10 knots in the afternoon. Seas 1 to 2 feet. MONDAY NIGHT West winds 10 to 15 knots. Seas 1 foot or less, then around 2 feet after midnight. TUESDAY Northwest winds 5 to 10 knots. Seas around 2 feet. TUESDAY NIGHT West winds around 10 knots. Seas around 2 feet. A slight chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$