GMZ400-181215-
654 PM CDT Thu Sep 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...
A fairly tight pressure gradient will exist across the coastal
waters through the evening behind a weak boundary. An SCA will
remain in effect for a portion of the marine zone through 6Z.
Winds will relax into the weekend.
$$
GMZ435-181215- Vermilion and West Cote Blanche Bays- 654 PM CDT Thu Sep 17 2026 SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 1 AM CDT FRIDAY REST OF TONIGHT East winds 10 to 15 knots. Bay waters choppy. FRIDAY East winds 5 to 10 knots. Bay waters light chop. FRIDAY NIGHT East winds 5 to 10 knots. Bay waters light chop. SATURDAY East winds 5 to 10 knots. Bay waters light chop. SATURDAY NIGHT Southeast winds 5 to 10 knots. Bay waters light chop. SUNDAY East winds around 5 knots, becoming southeast in the afternoon. Bay waters smooth. SUNDAY NIGHT Southwest winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms after midnight. MONDAY North winds around 5 knots, becoming southeast around 5 knots in the afternoon. Bay waters smooth. A slight chance of showers and thunderstorms in the afternoon. MONDAY NIGHT Southeast winds around 5 knots, becoming northeast after midnight. Bay waters smooth. TUESDAY Northeast winds around 5 knots, becoming east around 5 knots in the afternoon. Bay waters smooth. A slight chance of showers and thunderstorms in the afternoon. TUESDAY NIGHT Southeast winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$
GMZ435-181215- Vermilion and West Cote Blanche Bays- 654 PM CDT Thu Sep 17 2026 SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 1 AM CDT FRIDAY REST OF TONIGHT East winds 10 to 15 knots. Bay waters choppy. FRIDAY East winds 5 to 10 knots. Bay waters light chop. FRIDAY NIGHT East winds 5 to 10 knots. Bay waters light chop. SATURDAY East winds 5 to 10 knots. Bay waters light chop. SATURDAY NIGHT Southeast winds 5 to 10 knots. Bay waters light chop. SUNDAY East winds around 5 knots, becoming southeast in the afternoon. Bay waters smooth. SUNDAY NIGHT Southwest winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms after midnight. MONDAY North winds around 5 knots, becoming southeast around 5 knots in the afternoon. Bay waters smooth. A slight chance of showers and thunderstorms in the afternoon. MONDAY NIGHT Southeast winds around 5 knots, becoming northeast after midnight. Bay waters smooth. TUESDAY Northeast winds around 5 knots, becoming east around 5 knots in the afternoon. Bay waters smooth. A slight chance of showers and thunderstorms in the afternoon. TUESDAY NIGHT Southeast winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$