GMZ400-210700-
1220 PM CST Thu Nov 20 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...
Periods of breezy to moderate onshore flow will prevail over much
of the period with winds only turning offshore around the start of
next work week with the passage of a cold front system.
$$
GMZ450-210700- Coastal waters from Cameron LA to High Island TX out 20 NM- 1220 PM CST Thu Nov 20 2025 TONIGHT Southeast winds 10 to 15 knots, becoming south late. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. A slight chance of showers. A slight chance of thunderstorms late this evening and overnight. FRIDAY South winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A slight chance of showers. FRIDAY NIGHT South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 1 foot at 6 seconds. A chance of showers after midnight. SATURDAY Southwest winds around 5 knots. Seas around 2 feet. Wave Detail: South 1 foot at 6 seconds. A slight chance of thunderstorms in the morning. A slight chance of showers. SATURDAY NIGHT South winds around 5 knots, becoming northeast after midnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. SUNDAY East winds around 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds and south 1 foot at 4 seconds. SUNDAY NIGHT Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers after midnight. MONDAY South winds around 15 knots. Seas 2 to 3 feet. A chance of showers. A slight chance of thunderstorms in the afternoon. MONDAY NIGHT South winds 15 to 20 knots. Seas 3 to 4 feet. Showers likely with a slight chance of thunderstorms. TUESDAY West winds 10 to 15 knots, becoming southwest 5 to 10 knots in the afternoon. Seas 2 to 3 feet. A chance of showers with a slight chance of thunderstorms in the morning. TUESDAY NIGHT Southwest winds 5 to 10 knots, becoming north 10 to 15 knots after midnight. Seas around 2 feet. A slight chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$
GMZ450-210700- Coastal waters from Cameron LA to High Island TX out 20 NM- 1220 PM CST Thu Nov 20 2025 TONIGHT Southeast winds 10 to 15 knots, becoming south late. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. A slight chance of showers. A slight chance of thunderstorms late this evening and overnight. FRIDAY South winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A slight chance of showers. FRIDAY NIGHT South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 1 foot at 6 seconds. A chance of showers after midnight. SATURDAY Southwest winds around 5 knots. Seas around 2 feet. Wave Detail: South 1 foot at 6 seconds. A slight chance of thunderstorms in the morning. A slight chance of showers. SATURDAY NIGHT South winds around 5 knots, becoming northeast after midnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. SUNDAY East winds around 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds and south 1 foot at 4 seconds. SUNDAY NIGHT Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers after midnight. MONDAY South winds around 15 knots. Seas 2 to 3 feet. A chance of showers. A slight chance of thunderstorms in the afternoon. MONDAY NIGHT South winds 15 to 20 knots. Seas 3 to 4 feet. Showers likely with a slight chance of thunderstorms. TUESDAY West winds 10 to 15 knots, becoming southwest 5 to 10 knots in the afternoon. Seas 2 to 3 feet. A chance of showers with a slight chance of thunderstorms in the morning. TUESDAY NIGHT Southwest winds 5 to 10 knots, becoming north 10 to 15 knots after midnight. Seas around 2 feet. A slight chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$