GMZ400-221015-
438 PM CDT Tue Jul 21 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 northwest Gulf and the circulation around
Tropical Storm Bertha will bring modest west northwest winds into
Wednesday. At this time Tropical Storm watches have been posted for
Vermilion Bay and offshore waters to the south, as far west as
Vermilion / Cameron Parish line. Marine conditions for Wednesday
night through Friday will depend on the eventual track and strength
of Tropical Storm Bertha as it moves just inland or over the
northwest Gulf. All marine interests should continue to monitor
updates on Tropical Storm Bertha.
$$
GMZ430-221015- Sabine Lake- 438 PM CDT Tue Jul 21 2026 TONIGHT West winds 5 to 10 knots. Lake waters light chop. WEDNESDAY Northwest winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms in the afternoon. WEDNESDAY NIGHT North winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. THURSDAY North winds 5 to 10 knots, becoming northeast 10 to 15 knots with gusts up to 20 knots in the afternoon. Lake waters choppy. A chance of showers and thunderstorms in the afternoon. THURSDAY NIGHT Southeast winds 15 to 20 knots, becoming south 5 to 10 knots after midnight. Lake waters rough. A chance of showers and thunderstorms early in the evening, then a slight chance of showers and thunderstorms in the late evening and overnight. FRIDAY South winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms until late afternoon. FRIDAY NIGHT South winds 5 to 10 knots. Lake waters light chop. SATURDAY Southwest winds 5 to 10 knots. Lake waters light chop. SATURDAY NIGHT South winds 5 to 10 knots. Lake waters light chop. SUNDAY Southwest winds 5 to 10 knots. Lake waters light chop. SUNDAY NIGHT Southwest winds 5 to 10 knots. Lake waters light chop. Winds and waves higher in and near thunderstorms. $$
GMZ430-221015- Sabine Lake- 438 PM CDT Tue Jul 21 2026 TONIGHT West winds 5 to 10 knots. Lake waters light chop. WEDNESDAY Northwest winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms in the afternoon. WEDNESDAY NIGHT North winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. THURSDAY North winds 5 to 10 knots, becoming northeast 10 to 15 knots with gusts up to 20 knots in the afternoon. Lake waters choppy. A chance of showers and thunderstorms in the afternoon. THURSDAY NIGHT Southeast winds 15 to 20 knots, becoming south 5 to 10 knots after midnight. Lake waters rough. A chance of showers and thunderstorms early in the evening, then a slight chance of showers and thunderstorms in the late evening and overnight. FRIDAY South winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms until late afternoon. FRIDAY NIGHT South winds 5 to 10 knots. Lake waters light chop. SATURDAY Southwest winds 5 to 10 knots. Lake waters light chop. SATURDAY NIGHT South winds 5 to 10 knots. Lake waters light chop. SUNDAY Southwest winds 5 to 10 knots. Lake waters light chop. SUNDAY NIGHT Southwest winds 5 to 10 knots. Lake waters light chop. Winds and waves higher in and near thunderstorms. $$