GMZ400-041900-
1210 AM CST Thu Dec 4 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...
Winds will gradually shift out of the north today through late
Saturday with widespread, later decreasing to scattered
precipitation occurring in the meanwhile. Strong offshore winds will
build seas are expected to today in the vicinity of the center of
the coastal low before abating late Friday as the low pushes off to
the east. Drier conditions and light to moderate offshore winds will
prevail from Sunday through early next week.
$$
GMZ450-041900- Coastal waters from Cameron LA to High Island TX out 20 NM- 1210 AM CST Thu Dec 4 2025 SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM THIS AFTERNOON THROUGH LATE TONIGHT TODAY Northeast winds 10 to 15 knots with gusts up to 20 knots, becoming north 15 to 20 knots late. Seas 2 to 3 feet. Wave Detail: East 3 feet at 4 seconds. A chance of thunderstorms. TONIGHT North winds 15 to 20 knots. Seas 2 to 4 feet. Wave Detail: Northeast 3 feet at 4 seconds and south 2 feet at 6 seconds. A slight chance of thunderstorms in the evening. A chance of showers. FRIDAY North winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: North 2 feet at 3 seconds and south 1 foot at 6 seconds. A chance of showers in the morning, then showers likely in the afternoon. FRIDAY NIGHT Northeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Northeast 1 foot at 3 seconds and southeast 1 foot at 6 seconds. Showers likely. SATURDAY East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 1 foot at 4 seconds. A chance of showers. SATURDAY NIGHT Southeast winds around 10 knots, becoming south after midnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. A slight chance of showers in the evening. SUNDAY Northwest winds around 10 knots. Seas around 2 feet. SUNDAY NIGHT North winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 2 to 3 feet. MONDAY North winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 2 to 3 feet. MONDAY NIGHT Northeast winds around 10 knots. Seas 1 foot or less. Winds and seas higher in and near thunderstorms. $$
GMZ450-041900- Coastal waters from Cameron LA to High Island TX out 20 NM- 1210 AM CST Thu Dec 4 2025 SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM THIS AFTERNOON THROUGH LATE TONIGHT TODAY Northeast winds 10 to 15 knots with gusts up to 20 knots, becoming north 15 to 20 knots late. Seas 2 to 3 feet. Wave Detail: East 3 feet at 4 seconds. A chance of thunderstorms. TONIGHT North winds 15 to 20 knots. Seas 2 to 4 feet. Wave Detail: Northeast 3 feet at 4 seconds and south 2 feet at 6 seconds. A slight chance of thunderstorms in the evening. A chance of showers. FRIDAY North winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: North 2 feet at 3 seconds and south 1 foot at 6 seconds. A chance of showers in the morning, then showers likely in the afternoon. FRIDAY NIGHT Northeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Northeast 1 foot at 3 seconds and southeast 1 foot at 6 seconds. Showers likely. SATURDAY East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 1 foot at 4 seconds. A chance of showers. SATURDAY NIGHT Southeast winds around 10 knots, becoming south after midnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. A slight chance of showers in the evening. SUNDAY Northwest winds around 10 knots. Seas around 2 feet. SUNDAY NIGHT North winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 2 to 3 feet. MONDAY North winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 2 to 3 feet. MONDAY NIGHT Northeast winds around 10 knots. Seas 1 foot or less. Winds and seas higher in and near thunderstorms. $$